WoRMS name details
Janua (Dexiospira) Caullery & Mesnil, 1897
129630 (urn:lsid:marinespecies.org:taxname:129630)
unaccepted ( Dexiospira genus is a junior homonym, its synonym Neodexiospira replaces it)
Subgenus
- Species Janua (Dexiospira) fenestrata Knight-Jones, 1973
- Species Janua (Dexiospira) ainu Uchida, 1971 accepted as Neodexiospira pseudocorrugata (Bush, 1905) (subjective synonym)
- Species Janua (Dexiospira) brasiliensis (Grube, 1872) accepted as Neodexiospira brasiliensis (Grube, 1872) (superseded subsequent combination)
- Species Janua (Dexiospira) bushi (Rioja, 1942) accepted as Spirorbis marioni Caullery & Mesnil, 1897 represented as Spirorbis (Spirorbis) marioni Caullery & Mesnil, 1897 (subjective synonym)
- Species Janua (Dexiospira) ceylonica (Pillai, 1960) accepted as Neodexiospira pseudocorrugata (Bush, 1905) (subjective synonym)
- Species Janua (Dexiospira) corrugata (Montagu, 1803) accepted as Spirorbis corrugatus (Montagu, 1803) (superseded subsequent combination)
- Species Janua (Dexiospira) glossoeides Harris, 1968 accepted as Spirorbis (Spirorbis) tridentatus Levinsen, 1884 (subjective synonym)
- Species Janua (Dexiospira) karaitivensis (Pillai, 1960) accepted as Neodexiospira formosa (Bush, 1905) (subjective synonym)
- Species Janua (Dexiospira) marioni (Caullery & Mesnil, 1897) accepted as Spirorbis marioni Caullery & Mesnil, 1897 represented as Spirorbis (Spirorbis) marioni Caullery & Mesnil, 1897 (superseded recombination)
- Species Janua (Dexiospira) nipponicus (Okuda, 1934) accepted as Neodexiospira alveolata (Zachs, 1933) (subjective synonym)
- Species Janua (Dexiospira) oshoroensis Uchida, 1971 accepted as Neodexiospira brasiliensis (Grube, 1872) (subjective synonym)
- Species Janua (Dexiospira) pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (subjective synonym)
- Species Janua (Dexiospira) preacuta Vine, 1972 accepted as Neodexiospira turrita (Vine, 1972) (subjective synonym)
- Species Janua (Dexiospira) pusilloides (Bush, 1905) accepted as Janua heterostropha (Montagu, 1803) (subjective synonym)
- Species Janua (Dexiospira) semidentata (Bush, 1905) accepted as Paradexiospira (Spirorbides) vitrea (Fabricius, 1780) (subjective synonym)
- Species Janua (Dexiospira) spirillum (Linnaeus, 1758) accepted as Circeis spirillum (Linnaeus, 1758) (superseded recombination)
- Species Janua (Dexiospira) tricornigerus (Rioja, 1942) accepted as Spirorbis marioni Caullery & Mesnil, 1897 represented as Spirorbis (Spirorbis) marioni Caullery & Mesnil, 1897 (subjective synonym)
- Species Janua (Dexiospira) turrita Vine, 1972 accepted as Neodexiospira turrita (Vine, 1972) (superseded original combination)
marine, brackish, fresh, terrestrial
recent only
(of Dexiospira Caullery & Mesnil, 1897) 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]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Janua (Dexiospira) Caullery & Mesnil, 1897. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=129630 on 2025-07-09
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Nomenclature
original description
(of Dexiospira Caullery & Mesnil, 1897) 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]
Taxonomy
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
note: Dexiospira is a homonym and Knight-Jones replaces it with its synonym Neodexiospira [details]
note: Dexiospira is a homonym and Knight-Jones replaces it with its synonym Neodexiospira [details]
Other
additional source
Fauchald, K. (1977). The polychaete worms, definitions and keys to the orders, families and genera. <em>Natural History Museum of Los Angeles County: Los Angeles, CA (USA), Science Series.</em> 28:1-188., available online at http://www.vliz.be/imisdocs/publications/123110.pdf
page(s): 148-150; note: Fauchald's 1977 guide has Dexiospira as valid, Neodexiospira as its synonym. This evidently precedes knowledge that the spirorbin Dexiospira genus is a homonym, which is replaced by Neodexiospira [details]
additional source Knight-Jones, P. (1972). New species and a new subgenus of Spirorbinae (Serpulidae: Polychaeta) from Kenya. <em>J. Zool. Lond.</em> 166: 1-18. [details]
page(s): 148-150; note: Fauchald's 1977 guide has Dexiospira as valid, Neodexiospira as its synonym. This evidently precedes knowledge that the spirorbin Dexiospira genus is a homonym, which is replaced by Neodexiospira [details]
additional source Knight-Jones, P. (1972). New species and a new subgenus of Spirorbinae (Serpulidae: Polychaeta) from Kenya. <em>J. Zool. Lond.</em> 166: 1-18. [details]
From editor or global species database
Remark Treated as a subgenus of Janua by Knight-Jones (1972 and 1973) [details]
