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Cyrtonellopsis

Tergomya - Cyrtonellida - Cyrtolitidae

Taxonomy
Cyrtonellopsis was named by Yochelson (1958) [Sepkoski's age data: O Trem-l O Llvi Sepkoski's reference number: 1,110,1075]. It is not extant.

It was assigned to Cyrtonellidae by Knight and Yochelson (1960) and Starobogatov (1970); to Cyrtolitidae by Runnegar and Jell (1976); and to Cyrtonellida by Sepkoski (2002).

Synonymy list
YearName and author
1958Cyrtonellopsis Yochelson
1960Cyrtonellopsis Knight and Yochelson p. 80
1970Cyrtonellopsis Starobogatov p. 300
1976Cyrtonellopsis Runnegar and Jell p. 118
2002Cyrtonellopsis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classTergomya
orderCyrtonellida
familyCyrtolitidae
genusCyrtonellopsis

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