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Gymnagnostus
Taxonomy
Gymnagnostus was named by Robison and Pantoja-Alor (1968) [Sepkoski's age data: Cm Trep-u]. Its type is Gymnagnostus congros.
It was assigned to Geragnostidae by Robison and Pantoja-Alor (1968); to Agnostidae by Whittington et al. (1997) and Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).
It was assigned to Geragnostidae by Robison and Pantoja-Alor (1968); to Agnostidae by Whittington et al. (1997) and Jell and Adrain (2002); and to Agnostida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Gymnagnostus Robison and Pantoja-Alor p. 776 |
| 1997 | Gymnagnostus Whittington et al. p. 341 |
| 2002 | Gymnagnostus Jell and Adrain p. 381 |
| 2002 | Gymnagnostus 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. †Gymnagnostus Robison and Pantoja-Alor 1968
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†Gymnagnostus congros Robison and Pantoja-Alor 1968
†Gymnagnostus kobayashii Tortello and Esteban 2016
†Gymnagnostus mexicanus Robison and Pantoja-Alor 1968
†Gymnagnostus perinflatus Harrington and Leanza 1957
Diagnosis
No diagnoses are available