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

Goniagnostus

Trilobita - Agnostida - Ptychagnostidae

Taxonomy
Goniagnostus was named by Howell (1935) [Sepkoski's age data: Cm uMid-l Cm uMid-u]. It is not extant.

It was assigned to Ptychagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).

Synonymy list
YearName and author
1935Goniagnostus Howell
1997Goniagnostus Whittington et al. p. 350
2002Goniagnostus Sepkoski, Jr.

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
familyPtychagnostidaeKobayashi 1939
genusGoniagnostusHowell 1935

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