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Rachis (gastropod)

This article is about the genus of land snails. For the morphological term, see Rachis. For the king of the Lombards, see Ratchis. For the Romanian village of Rachiş, see Mirăslău.

Rachis is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Cerastidae.[2]

Rachis
Shell of Rachis venusta (syntype at MNHN, Paris)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Infraorder: Pupilloidei
Superfamily: Pupilloidea
Family: Cerastidae
Genus: Rachis
Albers, 1850[1]
Type species
Bulimus pallens
Jonas, 1843
Synonyms[2]
  • Buliminus (Rachis) Albers, 1850
  • Buliminus (Rhachis) L. Pfeiffer, 1856
  • Bulimus (Rachis) Albers, 1850 (original rank)
  • Bulimus (Rhachis) L. Pfeiffer, 1856 (superseded combination)
  • Ena (Rachisellus) Bourguignat, 1890 (junior synonym)
  • Rachis (Rachis) Albers, 1850
  • Rachisellus Bourguignat, 1890
  • Rhachis L. Pfeiffer, 1856 (invalid: unjustified emendation of Rachis Albers, 1850)

This genus is also spelled as “Rhachis” as a synonym.[3] Rachis is a Latinised version of rhachis (a midrib or ridge) or rhachos (a thorn or thorn bush), both of which are Greek nouns of feminine gender.[2]

Species

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Synonyms
  • Rachis aldabrae (E. von Martens, 1898): synonym of Rhachistia aldabrae (E. von Martens, 1898) (unaccepted combination)
  • Rachis badiolus: synonym of Rachis badiola (Morelet, 1881) (incorrect grammatical agreement of specific epithet)
  • Rachis bidwilli (Cox, 1868): synonym of Rhachistia histrio (L. Pfeiffer, 1855)
  • Rachis bloyeti Bourguignat, 1890: synonym of Rhachidina braunsii (E. von Martens, 1869): synonym of Rhachistia braunsii (E. von Martens, 1869) (junior synonym)
  • Rachis boehmi (E. von Martens, 1895): synonym of Rhachistia boehmi (E. von Martens, 1895)
  • Rachis braunsii (E. von Martens, 1869): synonym of Rhachistia braunsii (E. von Martens, 1869) (superseded combination)
  • Rachis burnayi (Dohrn, 1866): synonym of Gittenedouardia burnayi (Dohrn, 1866)
  • Rachis burtoi (Bourguignat, 1890): synonym of Rachis punctata (Anton, 1838) (junior synonym)
  • Rachis chalcedonica (Gredler, 1887): synonym of Mirus chalcedonicus (Gredler, 1887) (unaccepted combination)
  • Rachis dohrni (Greeff, 1882): synonym of Aporachis dohrni (Greeff, 1882)
  • Rachis eminula (Morelet, 1848): synonym of Gittenedouardia eminula (Morelet, 1848)
  • Rachis erlangeri Kobelt, 1910: synonym of Rhachistia erlangeri (Kobelt, 1910) (unaccepted combination)
  • Rachis fagotianus: synonym of Rachis fagotiana (Ancey, 1885) (incorrect grammatical agreement of specific epithet)
  • Rachis hieroglyphicus Preston, 1910: synonym of Rachis hieroglyphica Preston, 1910 (incorrect grammatical agreement of specific epithet)
  • Rachis hispida (Greeff, 1882): synonym of Aporachis hispida (Greeff, 1882)
  • Rachis ingenuus: synonym of Rachis ingenua (Morelet, 1864) (incorrect grammatical agreement of specific epithet)
  • Rachis jouberti Bourguignat, 1890: synonym of Rhachidina braunsii var. succincta (E. von Martens, 1879): synonym of Rhachistia braunsii (E. von Martens, 1869)
  • Rachis libbahensis (Tomlin, 1910): synonym of Zebrinops libbahensis (Tomlin, 1910)
  • Rachis moluensis Kobelt, 1910: synonym of Rhachistia moluensis (Kobelt, 1910)
  • Rachis nigrilineatus (Reeve, 1849): synonym of Rachis nigrilineata (Reeve, 1849) (incorrect grammatical agreement of specific epithet)
  • Rachis onychinus (Heude, 1885): synonym of Sinorachis onychinus (Heude, 1885) (unaccepted combination
  • Rachis petersi (Pfeiffer, 1855):[7] synonym of Pleurorhachis petersi (L. Pfeiffer, 1855) (superseded combination)
  • Rachis punctatus (Anton, 1838): synonym of Rachis punctata (Anton, 1838) (incorrect grammatical agreement of specific epithet)
  • Rachis rorkorensis Kobelt, 1910: synonym of Rhachistia rorkorensis (Kobelt, 1910)
  • Rachis succincta (E. von Martens, 1879): synonym of Rhachistia braunsii (E. von Martens, 1869) (junior synonym)
  • Rachis turricula Preston, 1911: synonym of Gittenedouardia turricula (Preston, 1911) (original combination)
  • Rachis venustus (Morelet, 1861): synonym of Rachis venusta (Morelet, 1861) (incorrect grammatical agreement of specific epithet)
  • Rachis vesiculatus (Benson, 1859): synonym of Rhachistia vesiculata (Benson, 1859) (incorrect grammatical agreement of specific epithet)
  • Rachis vicinus Preston, 1910: synonym of Rhachistia chiradzuluensis (E.A. Smith, 1899) (junior synonym)
  • Rachis virginea Preston, 1911: synonym of Rhachistia chiradzuluensis var. virginea (Preston, 1911) (original combination)

References

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  1. ^ Albers, J. C. (1850). Die Heliceen, nach natürlicher Verwandtschaft systematisch geordnet. Berlin: Th. Chr. Fr. Enslin.
  2. ^ a b c MolluscaBase eds. (2022). MolluscaBase. Rachis Albers, 1850. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=995163 on 31 March 2022
  3. ^ "WMDSB-Cerastidae". Cerastidae.
  4. ^ Melvill, J. C. & Ponsonby, J. H. (1893). Descriptions of twenty new species of terrestrial and fluviatile Mollusca from South Africa. Annals and Magazine of Natural History, 12(68), 103–112.
  5. ^ Anton, H. E. (1839). Verzeichniss der Conchylien welche sien in der Sammlung. Halle: Eduard Anton.
  6. ^ "WMDSB-Cerastidae". Rhachis tulearensis.
  7. ^ Pfeiffer, L. (1855). Description of thirty-eight new species of Helicea, from the collection of H. Cuming, Esq. Proceedings of the Zoological Society of London, 23, 91–101.
  • Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: 16 July 2017
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