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Proagnostus

Trilobita - Agnostida - Agnostidae

Taxonomy
Proagnostus was named by Butts (1926) [Sepkoski's age data: Cm uMid-u Cm Dres-l Sepkoski's reference number: 379].

It was assigned to Agnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); and to Ammagnostidae by Jell and Adrain (2003).

Synonyms
Synonymy list
YearName and author
1926Proagnostus Butts
1967Agnostascus Opik
1997Proagnostus Whittington et al. p. 347
2002Proagnostus Sepkoski, Jr.
2003Proagnostus Jell and Adrain p. 430

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAgnostidaSalter 1864
familyAgnostidaeM'Coy 1849
genusProagnostusButts 1926

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