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Sigmoopsis
Taxonomy
Sigmoopsis is a genus. It is not extant. It is the type genus of Sigmoopsiidae.
It was assigned to Sigmoopsidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
It was assigned to Sigmoopsidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1961 | Sigmoopsis Benson et al. p. Q155 |
2002 | Sigmoopsis Sepkoski |
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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. †Sigmoopsis
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Diagnosis
No diagnoses are available