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Cotalagnostus
Taxonomy
Cotalagnostus was named by Whitehouse (1936) [Sepkoski's age data: Cm uMid-l Cm uMid-u]. Its type is Agnostus lens.
It was assigned to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); to Peronopsidae by Jell and Adrain (2002); and to Spinagnostiidae by Landing et al. (2008).
It was assigned to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); to Peronopsidae by Jell and Adrain (2002); and to Spinagnostiidae by Landing et al. (2008).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Cotalagnostus Whitehouse |
| 1997 | Cotalagnostus Whittington et al. p. 356 |
| 2002 | Cotalagnostus Jell and Adrain p. 361 |
| 2002 | Cotaglagnostus Sepkoski |
| 2008 | Cotalagnostus Landing et al. p. 892 |
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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.
Diagnosis
No diagnoses are available