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Spirula (ram's horn shell)
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 is the type genus of Spirulidae.
It was assigned to Spirulidae by Jeletzky (1966); and to Sepiida by Sepkoski (2002).
It was assigned to Spirulidae by Jeletzky (1966); and to Sepiida by Sepkoski (2002).
Synonymy list
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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.
G. Spirula Lamarck 1799 [ram's horn shell]
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Diagnosis
No diagnoses are available