WoRMS taxon details

Amphiascus Sars G.O., 1905

115305  (urn:lsid:marinespecies.org:taxname:115305)

  1. Biota
  2. Animalia (Kingdom)
  3. Arthropoda (Phylum)
  4. Crustacea (Subphylum)
  5. Multicrustacea (Superclass)
  6. Copepoda (Class)
  7. Neocopepoda (Infraclass)
  8. Podoplea (Superorder)
  9. Harpacticoida (Order)
  10. Miraciidae (Family)
  11. Diosaccinae (Subfamily)
  12. Amphiascus (Genus)
accepted
Genus
Paramphiascopsis Lang, 1944 · unaccepted (synonym)

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  1. Species Amphiascus affinis Sars G.O., 1906
  2. Species Amphiascus bulbiseta (Apostolov, 2011)
  3. Species Amphiascus ekmani (Lang, 1965) Huys, 2009
  4. Species Amphiascus giesbrechti Sars G.O., 1906
  5. Species Amphiascus pallidus Sars G.O., 1906
  6. Species Amphiascus paromolae (Soyer, 1973)
  7. Species Amphiascus parvulus (Claus, 1866)
  8. Species Amphiascus perplexus (Thompson I.C. & Scott A., 1903)
  9. Species Amphiascus pestai Monard, 1935
  10. Species Amphiascus polapinquus Marcus, 1966
  11. Species Amphiascus productus Sars G.O., 1906
  12. Species Amphiascus pyroiedes Monard, 1928
  13. Species Amphiascus rufescens Brian, 1925
  14. Species Amphiascus sahelensis Monard, 1936
  15. Species Amphiascus salammboi Klie, 1942
  16. Species Amphiascus soyeri (Lang, 1965)
  17. Species Amphiascus thalestroides Sars G.O., 1911
  18. Species Amphiascus triarticulatus (Moore, 1976)
  19. Species Amphiascus waihonu (Hicks, 1986)
  20. Species Amphiascus abyssi (Boeck, 1873) accepted as Pararobertsonia abyssi (Boeck, 1873)
  21. Species Amphiascus aegypticus Gurney, 1927 accepted as Amphiascopsis aegypticus (Gurney, 1927) accepted as Sarsamphiascus minutus (Claus, 1863)
  22. Species Amphiascus amblyops Sars G.O., 1911 accepted as Mesamphiascus amblyops (Sars G.O., 1911) accepted as Sarsamphiascus amblyops (Sars G.O., 1911)
  23. Species Amphiascus ampullifer (Humes, 1953) accepted as Sarsamphiascus ampullifer (Humes, 1953)
  24. Species Amphiascus angolensis Monard, 1934 accepted as Robertsonia angolensis (Monard, 1934)
  25. Species Amphiascus angrapequensis Pesta, 1916 accepted as Amphiascopsis angrapequensis (Pesta, 1916)
  26. Species Amphiascus angustipes Gurney, 1927 accepted as Mesamphiascus angustipes (Gurney, 1927) accepted as Sarsamphiascus angustipes (Gurney, 1927)
  27. Species Amphiascus arcticus (Scott T., 1899) accepted as Amonardia arctica (Scott T., 1899)
  28. Species Amphiascus attenuatus Sars G.O., 1906 accepted as Amphiascopsis attenuatus (Sars G.O., 1906) accepted as Pseudamphiascopsis attenuatus (Sars G.O., 1906)
  29. Species Amphiascus banyulensis Monard, 1928 accepted as Amphiascopsis banyulensis (Monard, 1928) accepted as Metamphiascopsis banyulensis (Monard, 1928)
  30. Species Amphiascus blanchardi (Scott T. & Scott A., 1895) accepted as Mesamphiascus blanchardi (Scott T. & Scott A., 1895) accepted as Typhlamphiascus blanchardi (Scott T. & Scott A., 1895)
  31. Species Amphiascus brevicornis (Thompson I.C. & Scott A., 1903) accepted as Typhlamphiascus brevicornis Thompson I.C. & Scott A., 1903
  32. Species Amphiascus brevis Sars G.O., 1909 accepted as Sarsamphiascus brevis (Sars G.O., 1909)
  33. Species Amphiascus brunneus Willey, 1932 accepted as Pseudodiosaccopsis brunneus (Willey, 1932)
  34. Species Amphiascus bulbifer Sars G.O., 1911 accepted as Mesamphiascus bulbifer (Sars G.O., 1911) accepted as Haloschizopera bulbifer (Sars G.O., 1911)
  35. Species Amphiascus calcarifer Sewell, 1940 accepted as Paramphiascella calcarifer (Sewell, 1940)
  36. Species Amphiascus catharinae Scott T., 1906 accepted as Sarsamphiascus minutus (Claus, 1863)
  37. Species Amphiascus caudaespinosus Brian, 1927 accepted as Sarsamphiascus caudaespinosus (Brian, 1927)
  38. Species Amphiascus ceylonicus (Thompson I.C. & Scott A., 1903) accepted as Amphiascopsis ceylonicus (Thompson I.C. & Scott A., 1903) accepted as Amphiascopsis cinctus (Claus, 1866)
  39. Species Amphiascus cinctus (Claus, 1866) accepted as Amphiascopsis cinctus (Claus, 1866)
  40. Species Amphiascus clandestinus Klie, 1923 accepted as Schizopera (Schizopera) clandestina (Klie, 1923) accepted as Schizopera clandestina (Klie, 1923)
  41. Species Amphiascus commensalis Seiwell, 1928 accepted as Amphiascoides commensalis (Seiwell, 1928) accepted as Paramphiascella commensalis (Seiwell, 1928)
  42. Species Amphiascus confusus (Scott T., 1902) accepted as Mesamphiascus confusus (Scott T., 1902) accepted as Typhlamphiascus confusus (Scott T., 1902)
  43. Species Amphiascus congener Sars G.O., 1909 accepted as Sarsamphiascus congener (Sars G.O., 1909)
  44. Species Amphiascus coralicola Sewell, 1940 accepted as Amphiascopsis coralicola (Sewell, 1940)
  45. Species Amphiascus ctenophorus Monard, 1928 accepted as Amphiascoides ctenophorus (Monard, 1928) accepted as Robertgurneya rostrata (Gurney, 1927)
  46. Species Amphiascus dactylifer Wilson C.B., 1932 accepted as Robertgurneya dactylifer (Wilson C.B., 1932)
  47. Species Amphiascus debilis (Giesbrecht, 1881) accepted as Amphiascoides debilis (Giesbrecht, 1881)
  48. Species Amphiascus debiloides Monard, 1928 accepted as Amphiascoides brevifurca (Czerniavsky, 1868)
  49. Species Amphiascus demersus Nicholls, 1939 accepted as Sarsamphiascus demersus (Nicholls, 1939)
  50. Species Amphiascus dentatus (Thompson I.C. & Scott A., 1903) accepted as Paradiosaccus dentatus (Thompson I.C. & Scott A., 1903) accepted as Diosaccus dentatus (Thompson I.C. & Scott A., 1903) (Removed from Amphiascus to Paradiosaccus by Lang (1944, 1948))
  51. Species Amphiascus denticulatus (Thompson I.C., 1893) accepted as Mesamphiascus denticulatus (Thompson I.C., 1893) accepted as Bulbamphiascus denticulatus (Thompson I.C., 1893)
  52. Species Amphiascus dentiformis Coull, 1971 accepted as Sarsamphiascus dentiformis (Coull, 1971)
  53. Species Amphiascus dictydiophorus Monard, 1924 accepted as Robertgurneya dictydiophora (Monard, 1924)
  54. Species Amphiascus discrepans Mielke, 1989 accepted as Sarsamphiascus discrepans (Mielke, 1989)
  55. Species Amphiascus dubius Jakubisiak, 1933 accepted as Amonardia similis (Claus, 1866)
  56. Species Amphiascus ecaudatus Monard, 1936 accepted as Robertgurneya ecaudata (Monard, 1936)
  57. Species Amphiascus elongatus Itô Tat., 1972 accepted as Sarsamphiascus elongatus (Itô Tat., 1972)
  58. Species Amphiascus erythraeus (Scott A., 1902) accepted as Mesamphiascus erythraeus (Scott A., 1902) accepted as Robertgurneya erythraeus (Scott A., 1902) accepted as Robertgurneya erythraea (Scott A., 1902)
  59. Species Amphiascus exiguus Sars G.O., 1906 accepted as Mesamphiascus exiguus (Sars G.O., 1906) accepted as Haloschizopera exigua (Sars G.O., 1906)
  60. Species Amphiascus falklandiensis Lang, 1936 accepted as Robertgurneya falklandiensis (Lang, 1936)
  61. Species Amphiascus fucicolus Scott T., 1912 accepted as Amphiascopsis fucicolus (Scott T., 1912) accepted as Amonardia similis (Claus, 1866)
  62. Species Amphiascus gauthieri Monard, 1936 accepted as Mesamphiascus gauthieri (Monard, 1936) accepted as Sarsamphiascus gauthieri (Monard, 1936)
  63. Species Amphiascus gracilicaudata (Thompson I.C. & Scott A., 1903) accepted as Typhlamphiascus gracilicaudatus (Thompson I.C. & Scott A., 1903)
  64. Species Amphiascus gracilis Lang, 1936 accepted as Amphiascopsis gracilis (Lang, 1936) accepted as Sarsamphiascus gracilis (Lang, 1936)
  65. Species Amphiascus graciloides Klie, 1950 accepted as Sarsamphiascus graciloides (Klie, 1950)
  66. Species Amphiascus hamiltoni (Thompson I.C. & Scott A., 1903) accepted as Amphiascopsis hamiltoni (Thompson I.C. & Scott A., 1903) accepted as Diosaccus hamiltoni (Thompson I.C. & Scott A., 1903)
  67. Species Amphiascus hanseni (Brady, 1899) accepted as Amphiascopsis hanseni (Brady, 1899) accepted as Amphiascus cinctus (Claus, 1866) accepted as Amphiascopsis cinctus (Claus, 1866)
  68. Species Amphiascus havelocki (Thompson I.C. & Scott A., 1903) accepted as Amphiascopsis havelocki (Thompson I.C. & Scott A., 1903) accepted as Amphiascus cinctus (Claus, 1866) accepted as Amphiascopsis cinctus (Claus, 1866)
  69. Species Amphiascus herdmani Scott A., 1896 accepted as Pseudamphiascopsis herdmani (Scott A., 1896)
  70. Species Amphiascus hirsutus (Thompson I.C. & Scott A., 1903) accepted as Metamphiascopsis hirsutus (Thompson I.C. & Scott A., 1903) represented as Metamphiascopsis hirsutus hirsutus (Thompson I.C. & Scott A., 1903)
  71. Species Amphiascus hirtus Gurney, 1927 accepted as Amphiascopsis hirtus (Gurney, 1927) accepted as Sarsamphiascus hirtus (Gurney, 1927)
  72. Species Amphiascus hispidus (Brady, 1880) accepted as Paramphiascella hispida (Brady, 1880)
  73. Species Amphiascus hyperboreus (Scott T., 1903) accepted as Amphiascoides hyperboreus (Scott T., 1903) accepted as Paramphiascella hyperborea (Scott T., 1903)
  74. Species Amphiascus ilievecensis Monard, 1935 accepted as Robertgurneya ilievecensis (Monard, 1935)
  75. Species Amphiascus imperator Monard, 1928 accepted as Amphiascopsis imperator (Monard, 1928) accepted as Amphiascus cinctus (Claus, 1866) accepted as Amphiascopsis cinctus (Claus, 1866)
  76. Species Amphiascus imus (Brady, 1872) accepted as Mesamphiascus imus (Brady, 1872) accepted as Bulbamphiascus imus (Brady, 1872) (transferred to Bulbamphiascus)
  77. Species Amphiascus inermis Sewell, 1940 accepted as Bulbamphiascus imus (Brady, 1872)
  78. Species Amphiascus intermedius (Scott T., 1897) accepted as Amphiascoides intermedius (Scott T., 1897) accepted as Paramphiascella intermedia (Scott T., 1897)
  79. Species Amphiascus invaginatus Monard, 1926 accepted as Amphiascoides invaginatus (Monard, 1926) accepted as Paramphiascella invaginata (Monard, 1926)
  80. Species Amphiascus junodi Monard, 1935 accepted as Haloschizopera pygmaea (Norman & Scott T., 1905)
  81. Species Amphiascus kawamurai Ueda & Nagai, 2005 accepted as Sarsamphiascus kawamurai (Ueda & Nagai, 2005)
  82. Species Amphiascus lagenirostris Sars G.O., 1911 accepted as Mesamphiascus lagenirostris (Sars G.O., 1911) accepted as Rhyncholagena lagenirostris (Sars G.O., 1911)
  83. Species Amphiascus lagunaris Grandori, 1925 accepted as Amphiascopsis lagunaris (Grandori, 1925) accepted as Amphiascus cinctus (Claus, 1866) accepted as Amphiascopsis cinctus (Claus, 1866)
  84. Species Amphiascus lamellifer Sars G.O., 1911 accepted as Typhlamphiascus lamellifer (Sars G.O., 1911) represented as Typhlamphiascus lamellifer lamellifer (Sars G.O., 1911) (generic transfer)
  85. Species Amphiascus langi Monard, 1936 accepted as Amphiascoides langi (Monard, 1936) accepted as Paramphiascella langi (Monard, 1936)
  86. Species Amphiascus latifolius Sars G.O., 1909 accepted as Amphiascopsis latifolius (Sars G.O., 1909) accepted as Dactylopodamphiascopsis latifolius (Sars G.O., 1909)
  87. Species Amphiascus latilobus Monard, 1928 accepted as Amphiascopsis thalestroides (Sars G.O., 1911) accepted as Amphiascus thalestroides Sars G.O., 1911
  88. Species Amphiascus linearis Sars G.O., 1906 accepted as Amphiascella linearis (Sars G.O., 1906) accepted as Amphiascoides linearis (Sars G.O., 1906) accepted as Amphiascoides neglectus (Norman & Scott T., 1905)
  89. Species Amphiascus lobatus Hicks, 1971 accepted as Sarsamphiascus lobatus (Hicks, 1971)
  90. Species Amphiascus longarticulatus Marcus, 1974 accepted as Sarsamphiascus longiarticulatus (Marcus, 1974)
  91. Species Amphiascus longirostris (Claus, 1863) accepted as Paramphiascopsis longirostris (Claus, 1863)
  92. Species Amphiascus maldivensis (Wolfenden, 1905) accepted as Amphiascopsis maldivensis (Wolfenden, 1906)
  93. Species Amphiascus mathoi Monard, 1935 accepted as Mesamphiascus mathoi (Monard, 1935) accepted as Haloschizopera mathoi (Monard, 1935) (generic transfer)
  94. Species Amphiascus minutus (Claus, 1863) accepted as Sarsamphiascus minutus (Claus, 1863)
  95. Species Amphiascus monardi Lang, 1934 accepted as Amphiascopsis monardi (Lang, 1935) accepted as Metamphiascopsis monardi (Lang, 1935)
  96. Species Amphiascus nana Sars G.O., 1906 accepted as Amphiascoides nanus (Sars G.O., 1906) (unaccepted > misspelling - incorrect original spelling)
  97. Species Amphiascus nanoides Sars G.O., 1911 accepted as Amphiascoides nanoides (Sars G.O., 1911)
  98. Species Amphiascus nanus Sars G.O., 1906 accepted as Amphiascoides nanus (Sars G.O., 1906)
  99. Species Amphiascus nasutus Sars G.O., 1906 accepted as Amphiascopsis nasutus (Sars G.O., 1906) accepted as Amonardia arctica (Scott T., 1899)
  100. Species Amphiascus nicobaricus Sewell, 1940 accepted as Metamphiascopsis nicobaricus (Sewell, 1940)
  101. Species Amphiascus normani Sars G.O., 1911 accepted as Mesamphiascus normani (Sars G.O., 1911) accepted as Bulbamphiascus imus (Brady, 1872) (synonym)
  102. Species Amphiascus obscurus Sars G.O., 1906 accepted as Amphiascus cinctus (Claus, 1866) accepted as Amphiascopsis cinctus (Claus, 1866)
  103. Species Amphiascus pacificus Sars G.O., 1905 accepted as Mesamphiascus pacificus (Sars G.O., 1905) accepted as Sarsamphiascus pacificus (Sars G.O., 1905)
  104. Species Amphiascus paracaudaespinosus Roe, 1958 accepted as Sarsamphiascus paracaudaespinosus (Roe, 1958)
  105. Species Amphiascus parvus Sars G.O., 1906 accepted as Mesamphiascus parvus (Sars G.O., 1906) accepted as Sarsamphiascus parvus (Sars G.O, 1906)
  106. Species Amphiascus phyllopus Sars G.O., 1906 accepted as Amphiascopsis phyllopus (Sars G.O., 1906) accepted as Amonardia phyllopus (Sars G.O., 1906)
  107. Species Amphiascus polapinqvus Marcus, 1966 accepted as Amphiascus polapinquus Marcus, 1966 (lapsus calami)
  108. Species Amphiascus polaris Sars G.O., 1909 accepted as Sarsamphiascus polaris (Sars G.O., 1909)
  109. Species Amphiascus profundus Becker & Schriever, 1979 accepted as Sarsamphiascus profundus (Becker & Schriever, 1979)
  110. Species Amphiascus propinquus Sars G.O., 1906 accepted as Mesamphiascus propinquus (Sars G.O., 1906) accepted as Sarsamphiascus propinquus (Sars G.O., 1906)
  111. Species Amphiascus proximus Scott T., 1914 accepted as Amphiascoides proximus (Scott T., 1914)
  112. Species Amphiascus rebus Sewell, 1940 accepted as Amphiascopsis rebus (Sewell, 1940) accepted as Diosaccus rebus (Sewell, 1940)
  113. Species Amphiascus roberti Monard, 1935 accepted as Amphiascoides roberti (Monard, 1935) accepted as Paramphiascella roberti (Monard, 1935)
  114. Species Amphiascus robinsonii (Scott A., 1902) accepted as Amphiascoides robinsonii (Scott A., 1902) accepted as Paramphiascella robinsonii (Scott A., 1902)
  115. Species Amphiascus robustus (Thompson I.C. & Scott A., 1903) accepted as Amphiascopsis robustus (Thompson I.C. & Scott A., 1903) accepted as Diosaccus robustus (Thompson I.C. & Scott A., 1903)
  116. Species Amphiascus rostratus Gurney, 1927 accepted as Robertgurneya rostrata (Gurney, 1927)
  117. Species Amphiascus scotti Sewell, 1924 accepted as Robertsonia propinqua (Scott T., 1894) (synonym)
  118. Species Amphiascus sexsetatus Monard, 1928 accepted as Amphiascopsis sexsetatus (Monard, 1928)
  119. Species Amphiascus similis (Claus, 1866) (unaccepted)
  120. Species Amphiascus simulans (Norman & Scott T., 1905) (unaccepted)
  121. Species Amphiascus sinuatus Sars G.O., 1906 (unaccepted)
  122. Species Amphiascus southgeorgiensis Lang, 1936 (unaccepted)
  123. Species Amphiascus speciosus Brian, 1921 (unaccepted)
  124. Species Amphiascus spinifer Farran, 1913 (unaccepted)
  125. Species Amphiascus spinulosus Sars G.O., 1911 (unaccepted)
  126. Species Amphiascus sterilis Monard, 1926 (unaccepted)
  127. Species Amphiascus subdebilis Willey, 1935 (unaccepted)
  128. Species Amphiascus tainui Hicks, 1989 (unaccepted)
  129. Species Amphiascus tenax Brian, 1927 (unaccepted)
  130. Species Amphiascus tenellus Sars G.O., 1906 (unaccepted)
  131. Species Amphiascus tenuiculus Monard, 1928 (unaccepted)
  132. Species Amphiascus tenuiremis (Brady, 1880) (unaccepted)
  133. Species Amphiascus typhloides Sars G.O., 1911 (unaccepted)
  134. Species Amphiascus typhlops Sars G.O., 1906 (unaccepted)
  135. Species Amphiascus ultimus Monard, 1928 (unaccepted)
  136. Species Amphiascus undosus Lang, 1965 (unaccepted)
  137. Species Amphiascus valens Gurney, 1927 (unaccepted)
  138. Species Amphiascus vararensis (Scott T., 1903) (unaccepted, generic transfer)
  139. Species Amphiascus varians (Norman & Scott T., 1905) (unaccepted)
  140. Species Amphiascus varicolor Farran, 1913 (unaccepted)
  141. Species Amphiascus elegans Brady, 1918 (uncertain > taxon inquirendum)
  142. Species Amphiascus glacialis Brady, 1910 (uncertain > taxon inquirendum)
  143. Species Amphiascus humphriesi Roe, 1960 (uncertain > taxon inquirendum)
  144. Species Amphiascus ignotus Brady, 1918 (uncertain > taxon inquirendum)
  145. Species Amphiascus longicornis (Thompson I.C. & Scott A., 1903) (uncertain > taxon inquirendum)
  146. Species Amphiascus monodi Monard, 1952 (uncertain > taxon inquirendum)
  147. Species Amphiascus mucronatus Brady, 1910 (uncertain > taxon inquirendum)
marine, brackish, fresh, terrestrial
Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995 [details] OpenAccess publication
Taxonomy Sars (1905a: 380) proposed the genus Amphiascus Sars, 1905a to include Dactylopus longirostris Claus, 1863, D. minutus...  
Taxonomy Sars (1905a: 380) proposed the genus Amphiascus Sars, 1905a to include Dactylopus longirostris Claus, 1863, D. minutus Claus, 1863, D. debilis Giesbrecht, 1881 and a new species Amphiascus pacificus Sars, 1905a. Nicholls (1941b: 69) transferred D. minutus to Amphiascopsis Gurney, 1927 and D. debilis to Amphiascoides Nicholls, 1941b, and he designated D. longirostris as the type species of Amphiascus (on the ground of page precedence in Sars’s (1905a) publication). Lang (1944: 19), who was unaware of Nicholls’s (1941b) subsequent designation, unfortunately also fixed D. longirostris as type of Paramphiascopsis Lang, 1944. The latter therefore becomes a junior objective synonym of Amphiascus Sars, 1905 (ICZN Arts 61.3.3 and 67.11). Other workers have overlooked Nicholls’s type fixation and incorrectly treated D. minutus as the type species (e.g. Marinov & Apostolov 1988: 153). Accepting Nicholls’s (1941b) subsequent designation and Lang’s (1944, 1948) revision of Amphiascus would imply that only the species currently assigned to Paramphiascopsis should be included in Amphiascus. A new generic name is therefore required to receive all “orphaned” species that are currently included in Amphiascus sensu Lang (1944, 1948).
The only genus-group name that has been cited in the literature as a junior subjective synonym of, and potential substitute name for, Amphiascus sensu Lang (1944, 1948) is Mesamphiascus Nicholls, 1941b (Lang 1965: 253). This genus is probably one of the most unnatural ever established in the Miraciidae, to the extent that Nicholls (1941b: 79) himself admitted having difficulties in selecting a type species. His statement that “... perhaps parvus Sars (1906, p. 162, pl. ciii) is suitable, occupying a more or less central position in the genus, and having a fairly wide distribution” does not qualify for an explicit designation that is rigidly construed (ICZN Art. 67.5; see also Vervoort 1964: 191). Consequently, the genus-group name Mesamphiascus is unavailable and therefore cannot enter into the synonymy of Amphiascus. A new genus, Sarsamphiascus gen. nov., is proposed here to accommodate all species previously placed in Amphiascus by Lang (1948) and subsequent authors. Dactylopus minutus Claus, 1863 is formally fixed as the type species. The revised species compositions of Amphiascus and Sarsamphiascus gen. nov., including all new combinations, are given in Table 3. In order to satisfy the provisions of ICZN Art. 13.1 the new genus must be accompanied by (a) a description or definition that states in words characters that are purported to differentiate it, or (b) a bibliographic reference to such a published statement. Reference is made here to Lang’s (1948: 644) generic diagnosis of Amphiascus which is equivalent to the diagnosis of Sarsamphiascus gen. nov. [details]

Taxonomy Willen, E. 2002 moved all genera of Diosaccidae into Miraciidae  
Taxonomy Willen, E. 2002 moved all genera of Diosaccidae into Miraciidae [details]
Walter, T.C.; Boxshall, G. (2024). World of Copepods Database. Amphiascus Sars G.O., 1905. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=115305 on 2024-11-06
Date
action
by
2004-12-21 15:54:05Z
created
Huys, Rony
2008-06-24 07:15:47Z
changed
Walter, T. Chad
2009-09-28 15:05:21Z
changed
Walter, T. Chad
2009-09-29 23:32:08Z
changed
Walter, T. Chad
2011-02-01 11:11:26Z
changed
Walter, T. Chad
2011-09-28 21:02:14Z
changed
Boxshall, Geoff
2015-02-23 08:14:28Z
changed
Walter, T. Chad
2020-10-25 13:49:47Z
changed
Walter, T. Chad

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original description Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995 [details] OpenAccess publication

original description (of Paramphiascopsis Lang, 1944) Lang, K. (1944). Monographie der Harpacticiden (Vorlaufige Mitteilung). Almqvist & Wiksells Boktryckeri Ab, Uppsala 39pp. (19-ii-1944). [details] Available for editors  PDF available [request]

basis of record Huys, R. (2001). Copepoda - Harpacticoida. <em>In: Costello, M.J. et al. (eds.) European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels.</em> 50:268-280. (look up in IMIS) [details] Available for editors  PDF available [request]

additional source Webber, W.R., G.D. Fenwick, J.M. Bradford-Grieve, S.G. Eagar, J.S. Buckeridge, G.C.B. Poore, E.W. Dawson, L. Watling, J.B. Jones, J.B.J. Wells, N.L. Bruce, S.T. Ahyong, K. Larsen, M.A. Chapman, J. Olesen, J.S. Ho, J.D. Green, R.J. Shiel, C.E.F. Rocha, A. Lörz, G.J. Bird & W.A. Charleston. (2010). Phylum Arthropoda Subphylum Crustacea: shrimps, crabs, lobsters, barnacles, slaters, and kin. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors  PDF available [request]

additional source Huys, R. (2009). Unresolved cases of type fixation, synonymy and homonymy in harpacticoid copepod nomenclature (Crustacea: Copepoda). <em>Zootaxa.</em> 2183:1-99., available online at http://www.mapress.com/zootaxa/2009/2/zt02183p099.pdf [details] Available for editors  PDF available [request]

additional source Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995
page(s): 380 [details] OpenAccess publication

additional source Bodin, P. (1997). Catalogue of the new marine Harpacticoid Copepods. <em>Studiedocumenten van het K.B.I.N. = Documents de Travail de l'I.R.Sc.N.B., 89. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium.</em> 89: 1-304. (look up in IMIS)
page(s): 380 [details] Available for editors  PDF available [request]

additional source Walter, T. Chad. The World of Copepods. International online database. , available online at http://www.marinespecies.org/copepoda [details] 

additional source Griga, R.E. (1961). Harpacticoida raiona Sevastopolya. Harpacticoids of the Sebastopol region. <em>Trudy Sevastopol'skoy Biologicheskoy Stantsii, Akademiya Nauk SSSR, Transactions of the Sevastopol Biological Station).</em> 14: 109-125. (Russian). [details] Available for editors  PDF available [request]

additional source Nicholls, A.G. (1939). Marine harpacticoids and cyclopoids from the shores of the St. Lawrence. <em>Le Naturaliste Canadien, Quebec.</em> 66(2):241-316, 28 figs. [details] Available for editors  PDF available [request]

additional source Noodt, W. (1955). Marmara denizi Harpacticoiden (Crust. Cop.). Marine Harpacticoiden (Crust. Cop.) aus dem Marmare Meer. <em>Istanbul Universitesi Fen Fakultesi Mecmuasi.</em> (B)20(1-2):49-94, figs. 1-103. (i/iv-1955). [details] Available for editors  PDF available [request]

additional source Sars, G.O. (1906). Copepoda Harpacticoida. Parts XI & XII. Thalestridae (continued), Diosaccidae (part). <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 5:133-156, pls. 81-96. (look up in IMIS) [details] OpenAccess publication

additional source Lang, K. (1965). Copepoda Harpacticoida from the Californian Pacific coast. <em>Kungliga Svenska Vetensk-Akademiens Handlingar, Fjarde Serien. Almquist & Wiksell, Stockholm.</em> 10(2):1-560, figs. 1-303, pls. 1-6. (look up in IMIS) [details] Available for editors  PDF available [request]

source of synonymy Willen, E. (2002). Notes on the systematic position of the Stenheliinae (Copepoda, Harpacticoida) within the Thalestridimorpha and description of two new species from Motupore Island, Papua New Guinea. Cahiers de Biologie Marine 43(1): 27-42. [details] Available for editors  PDF available [request]
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Taxonomy Sars (1905a: 380) proposed the genus Amphiascus Sars, 1905a to include Dactylopus longirostris Claus, 1863, D. minutus Claus, 1863, D. debilis Giesbrecht, 1881 and a new species Amphiascus pacificus Sars, 1905a. Nicholls (1941b: 69) transferred D. minutus to Amphiascopsis Gurney, 1927 and D. debilis to Amphiascoides Nicholls, 1941b, and he designated D. longirostris as the type species of Amphiascus (on the ground of page precedence in Sars’s (1905a) publication). Lang (1944: 19), who was unaware of Nicholls’s (1941b) subsequent designation, unfortunately also fixed D. longirostris as type of Paramphiascopsis Lang, 1944. The latter therefore becomes a junior objective synonym of Amphiascus Sars, 1905 (ICZN Arts 61.3.3 and 67.11). Other workers have overlooked Nicholls’s type fixation and incorrectly treated D. minutus as the type species (e.g. Marinov & Apostolov 1988: 153). Accepting Nicholls’s (1941b) subsequent designation and Lang’s (1944, 1948) revision of Amphiascus would imply that only the species currently assigned to Paramphiascopsis should be included in Amphiascus. A new generic name is therefore required to receive all “orphaned” species that are currently included in Amphiascus sensu Lang (1944, 1948).
The only genus-group name that has been cited in the literature as a junior subjective synonym of, and potential substitute name for, Amphiascus sensu Lang (1944, 1948) is Mesamphiascus Nicholls, 1941b (Lang 1965: 253). This genus is probably one of the most unnatural ever established in the Miraciidae, to the extent that Nicholls (1941b: 79) himself admitted having difficulties in selecting a type species. His statement that “... perhaps parvus Sars (1906, p. 162, pl. ciii) is suitable, occupying a more or less central position in the genus, and having a fairly wide distribution” does not qualify for an explicit designation that is rigidly construed (ICZN Art. 67.5; see also Vervoort 1964: 191). Consequently, the genus-group name Mesamphiascus is unavailable and therefore cannot enter into the synonymy of Amphiascus. A new genus, Sarsamphiascus gen. nov., is proposed here to accommodate all species previously placed in Amphiascus by Lang (1948) and subsequent authors. Dactylopus minutus Claus, 1863 is formally fixed as the type species. The revised species compositions of Amphiascus and Sarsamphiascus gen. nov., including all new combinations, are given in Table 3. In order to satisfy the provisions of ICZN Art. 13.1 the new genus must be accompanied by (a) a description or definition that states in words characters that are purported to differentiate it, or (b) a bibliographic reference to such a published statement. Reference is made here to Lang’s (1948: 644) generic diagnosis of Amphiascus which is equivalent to the diagnosis of Sarsamphiascus gen. nov. [details]

Taxonomy Willen, E. 2002 moved all genera of Diosaccidae into Miraciidae [details]
    Definitions

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3x5 C.B. Wilson Taxonomic Card - Amphiascus Document hosted within WoRMS 
3x5 C.B. Wilson Taxonomic Card - Paramphiascopsis Document hosted within WoRMS (from synonym Paramphiascopsis Lang, 1944)
3x5 J.S. Ho Taxonomic Card - Amphiascus Document hosted within WoRMS 
To European Nucleotide Archive, ENA (Amphiascus) 
To Genbank 
To ITIS

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