WoRMS name details
Dexiospira Caullery & Mesnil, 1897
464030 (urn:lsid:marinespecies.org:taxname:464030)
unaccepted (preoccupied in protozoan Dexiospira Ehrenberg, 1858)
Genus
Spirorbis pseudocorrugatus Bush, 1905 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (type by subsequent designation)
Spirorbella Chamberlin, 1919 · unaccepted
- Species Dexiospira corrugata (Montagu, 1803) accepted as Spirorbis corrugatus (Montagu, 1803) (superseded subsequent combination)
- Species Dexiospira foraminosa (Bush in Moore & Bush, 1904) accepted as Neodexiospira foraminosa (Bush in Moore & Bush, 1904) (unaccepted > superseded combination, Dexiospira is a replaced homonym)
- Species Dexiospira spirillum (Linnaeus, 1758) accepted as Circeis spirillum (Linnaeus, 1758) (superseded recombination)
marine, brackish, fresh, terrestrial
recent only
feminine
Caullery, Maurice; Mesnil, Felix. (1897). Études sur la morphologie comparée et la phylogénie des espèces chez les Spirorbes. <em>Bulletin scientifique de la France et de la Belgique.</em> 30: 185-233, plates 7-10., available online at http://biodiversitylibrary.org/page/10721821
page(s): 198 [details]
page(s): 198 [details]
Note Type by subsequent designation (by Chamberlin...
From editor or global species database
Type species Type by subsequent designation (by Chamberlin 1919) is Spirorbis pseudocorrugatus Bush, 1905 accepted as Neodexiospira pseudocorrugata (Bush, 1905). Several species were assigned to Dexiospira when it was created, but Hartman (catalogue, 1959) gives the type species as Dexiospira spirillum (Linnaeus, 1758), originally Serpula spirillum, which was placed (described) first by Caullery & Mesnil in their text. Hartman apparently was unaware of the prior designation by Chamberlin. The species included by Caullery & Mesnil (in order of presentation) were S. spirillum L, Spirorbis armoricanus (Saint-Joseph, 1894 in Circeis), Spirorbis marioni n.sp., Spirorbis corrugatus Montagu, Spirorbis pagenstecheri Quatrefages, 1866, and Mera pusilla Saint-Joseph, 1984. Oddly Caullery & Mesnil (1897) write that S armoricanus is Spirorbis sinistrorsus Montagu, but they do not use the senior name. Only the above seven names are eligible to be the type species of Dexiospira. However, Bush (1905: 248) maintained that Caullery & Mesnil's dextral record of Spirorbis corrugatus Montagu was a misidentification of a sinistral species and she renames the record as Spirorbis pseudocorrugatus Bush, 1905 which Chamberlin (1919: 478) then designated as type of Dexiospira. This was not a good choice given the uncertainty over Caullery & Mesnil's original identification. It is possible D. pseudocorrugata cannot be type as strictly it is not one of the original names in the genus. However, if Bush had not already renamed the usage of Caullery & Mesnil then ICZN Article 70.3 (Misidentified type species) of the current 4th Edition Code would enable their usage to be renamed. It seems best to continue with Bush’s new name as type of Dexiospira. [note by G. Read September, 2023] [details]
Homonymy Dexiospira Caullery & Mesnil, 1897 in Annelida is preoccupied in the protozoa Dexiospira Ehrenberg, 1858. This is clearly...
Homonymy Dexiospira Caullery & Mesnil, 1897 in Annelida is preoccupied in the protozoa Dexiospira Ehrenberg, 1858. This is clearly listed in Nomenclator Zoologicus, but evidently Serpulid taxonomists were unaware of this and continued to use the name, notably Knight-Jones who made it a subgenus of Janua in the 1970s. Knight-Jones (1984:110) later discovered the homonymy and replaced Dexiospira with its subjective synonym Neodexiospira. Strictly Dexiospira Ehrenberg is in Kingdom Chromista (Phylum Foraminifera) and not Animalia but the 4th Ed code includes former Animalia. Ehrenberg does not diagnose Dexiospira but he does describe two species, so the name cannot be a nomen nudum (cf the WoRMS Foraminifera Dexiospira record). [details]
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Dexiospira Caullery & Mesnil, 1897. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=464030 on 2024-11-21
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original description
Caullery, Maurice; Mesnil, Felix. (1897). Études sur la morphologie comparée et la phylogénie des espèces chez les Spirorbes. <em>Bulletin scientifique de la France et de la Belgique.</em> 30: 185-233, plates 7-10., available online at http://biodiversitylibrary.org/page/10721821
page(s): 198 [details]
source of synonymy Knight-Jones, Phyllis. (1984). A new species of Protoleodora (Spirorbidae: Polychaeta) from eastern U.S.S.R., with a brief revision of related genera. <em>Zoological Journal of the Linnean Society, London.</em> 80(2-3): 109-120., available online at https://academic.oup.com/zoolinnean/article-abstract/80/2-3/109/2703213
page(s): 110; note: Dexiospira is a homonym and Knight-Jones replaces it with its synonym Neodexiospira. She also states the type species of Neodexiospira is N. pseudocorrugata (Bush, 1905) (the type of Dexiospira). This...
[details]
page(s): 198 [details]
source of synonymy Knight-Jones, Phyllis. (1984). A new species of Protoleodora (Spirorbidae: Polychaeta) from eastern U.S.S.R., with a brief revision of related genera. <em>Zoological Journal of the Linnean Society, London.</em> 80(2-3): 109-120., available online at https://academic.oup.com/zoolinnean/article-abstract/80/2-3/109/2703213
page(s): 110; note: Dexiospira is a homonym and Knight-Jones replaces it with its synonym Neodexiospira. She also states the type species of Neodexiospira is N. pseudocorrugata (Bush, 1905) (the type of Dexiospira). This...
Dexiospira is a homonym and Knight-Jones replaces it with its synonym Neodexiospira. She also states the type species of Neodexiospira is N. pseudocorrugata (Bush, 1905) (the type of Dexiospira). This species is definitely not type of Neodexiospira but unfortunately her statement has been adopted by several others.
From editor or global species database
Grammatical gender Dexiospira should be feminine as most 'spira' genus names are treated as feminine with their adjectival species names being given feminine suffices. [details]Homonymy Dexiospira Caullery & Mesnil, 1897 in Annelida is preoccupied in the protozoa Dexiospira Ehrenberg, 1858. This is clearly listed in Nomenclator Zoologicus, but evidently Serpulid taxonomists were unaware of this and continued to use the name, notably Knight-Jones who made it a subgenus of Janua in the 1970s. Knight-Jones (1984:110) later discovered the homonymy and replaced Dexiospira with its subjective synonym Neodexiospira. Strictly Dexiospira Ehrenberg is in Kingdom Chromista (Phylum Foraminifera) and not Animalia but the 4th Ed code includes former Animalia. Ehrenberg does not diagnose Dexiospira but he does describe two species, so the name cannot be a nomen nudum (cf the WoRMS Foraminifera Dexiospira record). [details]
Type species Type by subsequent designation (by Chamberlin 1919) is Spirorbis pseudocorrugatus Bush, 1905 accepted as Neodexiospira pseudocorrugata (Bush, 1905). Several species were assigned to Dexiospira when it was created, but Hartman (catalogue, 1959) gives the type species as Dexiospira spirillum (Linnaeus, 1758), originally Serpula spirillum, which was placed (described) first by Caullery & Mesnil in their text. Hartman apparently was unaware of the prior designation by Chamberlin. The species included by Caullery & Mesnil (in order of presentation) were S. spirillum L, Spirorbis armoricanus (Saint-Joseph, 1894 in Circeis), Spirorbis marioni n.sp., Spirorbis corrugatus Montagu, Spirorbis pagenstecheri Quatrefages, 1866, and Mera pusilla Saint-Joseph, 1984. Oddly Caullery & Mesnil (1897) write that S armoricanus is Spirorbis sinistrorsus Montagu, but they do not use the senior name. Only the above seven names are eligible to be the type species of Dexiospira. However, Bush (1905: 248) maintained that Caullery & Mesnil's dextral record of Spirorbis corrugatus Montagu was a misidentification of a sinistral species and she renames the record as Spirorbis pseudocorrugatus Bush, 1905 which Chamberlin (1919: 478) then designated as type of Dexiospira. This was not a good choice given the uncertainty over Caullery & Mesnil's original identification. It is possible D. pseudocorrugata cannot be type as strictly it is not one of the original names in the genus. However, if Bush had not already renamed the usage of Caullery & Mesnil then ICZN Article 70.3 (Misidentified type species) of the current 4th Edition Code would enable their usage to be renamed. It seems best to continue with Bush’s new name as type of Dexiospira. [note by G. Read September, 2023] [details]
