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Morphology Ecology and taphonomy   Age range and collections

Retusa (Cylichnina)

Gastropoda - Cephalaspidea - Retusidae

Synonymy list
YearName and author
1884Cylichnina Monterasato
1904Retusa (Cylichnina) Martin p. 135
1962Retusa (Cylichnina) Glibert p. 57
1966Retusa (Cylichnina) Palmer and Brann p. 878
2001Cylichnina Todd
2002Cylichnina Harzhauser and Kowalke p. 74
2002Cylichnina Sepkoski, Jr.
2003Retusa (Cylichnina) Mandic and Steininger p. 274

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOpisthobranchiaMilne-Edwards 1848
orderCephalaspideaFischer 1883
superfamilyPhilinoideaGray 1850
familyRetusidaeThiele 1925
genusRetusaBrown 1827
subgenusCylichnina(Monterasato 1884)

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