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Sigmakainella
Taxonomy
Sigmakainella was named by Shergold (1971) [Sepkoski's age data: Cm Fran-u Sepkoski's reference number: 16]. It is not extant. Its type is Sigmakainella translira.
It was assigned to Remopleurididae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Remopleurididae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
S. longilira, S. translira (type species)
Synonymy list
Year | Name and author |
---|---|
1971 | Sigmakainella Shergold |
2002 | Sigmakainella Jell and Adrain pp. 445, 479 |
2002 | Sigmakainella 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. †Sigmakainella Shergold 1971
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†Sigmakainella longilira Shergold 1971
†Sigmakainella translira Shergold 1971
Diagnosis
No diagnoses are available