Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Tomagnostella

Trilobita - Agnostida - Spinagnostidae

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); and to Ptychagnostidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1939Tomagnostella Kobayashi
1997Tomagnostella Whittington et al. p. 358
2002Tomagnostella Sepkoski, Jr.
2003Tomagnostella Jell and Adrain p. 454

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familySpinagnostidaeHowell 1935
genusTomagnostellaKobayashi 1939

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