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Tomagnostella
Taxonomy
Tomagnostella was named by Kobayashi (1939) [Sepkoski's age data: Cm uMid-m Cm Dres-l]. It is not extant.
It was assigned to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); to Ptychagnostidae by Jell and Adrain (2002); and to Hypagnostidae by Paterson and Laurie (2004).
It was assigned to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); to Ptychagnostidae by Jell and Adrain (2002); and to Hypagnostidae by Paterson and Laurie (2004).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Tomagnostella Kobayashi |
| 1997 | Tomagnostella Whittington et al. p. 358 |
| 2002 | Tomagnostella Jell and Adrain p. 454 |
| 2002 | Tomagnostella Sepkoski |
| 2004 | Tomagnostella Paterson and Laurie p. 95 |
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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. †Tomagnostella Kobayashi 1939
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†Tomagnostella exsculpta Angelin 1851
†Tomagnostella jiangshanensis Lu and Lin 1989
†Tomagnostella sulcifera Wallerius 1895
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Invalid names: Tomagnostella tianmashanensis Lu and Lin 1989 [synonym]
†Tomagnostella tenuis Ergaliev and Ergaliev 2008
Diagnosis
No diagnoses are available