WoRMS taxon details
Palaeocomatella difficilis (Carpenter, 1888)
246800 (urn:lsid:marinespecies.org:taxname:246800)
accepted
Species
Actinometra difficilis Carpenter, 1888 · unaccepted (basionym)
Comissia difficilis (Carpenter, 1888) · unaccepted (synonym)
marine, brackish, fresh, terrestrial
(of Actinometra difficilis Carpenter, 1888) Carpenter, P. H. (1888). Report on the Crinoidea collected during the voyage of H.M.S. Challenger, during the years 1873-76. Part II. The Comatulae. <em>Reports of the Scientific Results of the Voyage of H.M.S. Challenger, Zoology.</em> 26 (part 60): i-x, 1-402, pl. 1-70., available online at http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-60/README.htm [details]
Holotype BMNH 1888.11.9.101
Holotype BMNH 1888.11.9.101 [details]
Messing, C.; Gondim, A.I.; Markello, K.; Poatskievick Pierezan, B.; Taylor, K.; Eléaume, M. (2025). World List of Crinoidea. Palaeocomatella difficilis (Carpenter, 1888). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=246800 on 2025-04-07
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Nomenclature
original description
(of Actinometra difficilis Carpenter, 1888) Carpenter, P. H. (1888). Report on the Crinoidea collected during the voyage of H.M.S. Challenger, during the years 1873-76. Part II. The Comatulae. <em>Reports of the Scientific Results of the Voyage of H.M.S. Challenger, Zoology.</em> 26 (part 60): i-x, 1-402, pl. 1-70., available online at http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-60/README.htm [details]
basis of record Charles Messing (look up in IMIS) [details]
basis of record Charles Messing (look up in IMIS) [details]
Taxonomy
source of synonymy
Clark, A. H. (1913). Notes on the recent crinoids in the British Museum. <em>Smithsonian Miscellaneous Collection.</em> 61(15):1-89. [details]
Other
additional source
Clark, A. H. (1931). A monograph of the existing crinoids. 1(3) Superfamily Comasterida. Bulletin of the United States National Museum 82. viii + 816 pp., 82 pls., available online at https://doi.org/10.5479/si.03629236.82.3 [details]
additional source Hoggett AK, Rowe FWE (1986) A reappraisal of the family Comasteridae A. H. Clark, 1908 (Echinodermata: Crinoidea), with the description of a new subfamily and a new genus. Zoological Journal of the Linnean Society 88:103-142. [details]
additional source Messing CG, Améziane N, Eleaume M (2000) Echinodermata Crinoidea: Comatulid Crinoids of the KARUBAR Expedition to Indonesia. The families Comasteridae, Asterometridae, Calometridae and Thalassometridae. In A. Crosnier, ed., Résultats des Campagnes MUSORSTOM 21. Mém. Mus. natn. Hist. nat. 184:627-702, 41 fig. Paris. (look up in IMIS) [details]
additional source Hoggett AK, Rowe FWE (1986) A reappraisal of the family Comasteridae A. H. Clark, 1908 (Echinodermata: Crinoidea), with the description of a new subfamily and a new genus. Zoological Journal of the Linnean Society 88:103-142. [details]
additional source Messing CG, Améziane N, Eleaume M (2000) Echinodermata Crinoidea: Comatulid Crinoids of the KARUBAR Expedition to Indonesia. The families Comasteridae, Asterometridae, Calometridae and Thalassometridae. In A. Crosnier, ed., Résultats des Campagnes MUSORSTOM 21. Mém. Mus. natn. Hist. nat. 184:627-702, 41 fig. Paris. (look up in IMIS) [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Holotype BMNH 1888.11.9.101 [details]
From editor or global species database
Diagnosis Palaeocomatella with syzygies at br1+2 and br3+4 on arms arising from IIBr and following brachitaxes; no transversely oriented first comb tooth; spine on at least antepenultimate cirrus segment compressed. [details]
