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Amphidonte (Ceratostreon) sigmoidea

Bivalvia - Ostreida - Gryphaeidae

Taxonomy
Exogyra sigmoidea was named by Reuss (1844). It is considered to be a form taxon.

It was recombined as Amphidonte (Ceratostreon) sigmoidea by Malchus et al. (1994).

Synonyms
Synonymy list
YearName and author
1844Exogyra sigmoidea Reuss
1844Ostrea sigmoidea Reuss
1994Amphidonte (Ceratostreon) sigmoidea Malchus et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
RankNameAuthor
OstreioniFerussac 1822
OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderOstreida(FĂ«russac 1822)
suborderOstreidina(Ferussac 1822)
superfamilyOstreoidea(Rafinesque 1815)
familyGryphaeidaeVialov 1936
subfamilyExogyrinaeVialov 1936
genusAmphidonteFischer von Waldheim 1829
subgenusCeratostreon(Bayle 1878)
speciessigmoidea(Reuss 1844)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available