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Spirula (ram's horn shell)

Cephalopoda - Sepiida

Taxonomy
Spirula was named by Lamarck (1799) [Sepkoski's age data: T Mi-l-u R Sepkoski's reference number: 307,1066]. It is extant.

It was assigned to Sepiida by Sepkoski (2002).

Synonymy list
YearName and author
1799Spirula Lamarck
2002Spirula Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassColeoideaBather 1888
superorderDecabrachiaBoettger 1952
orderSepiidaZittel 1895
genusSpirulaLamarck 1799

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