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Morphology Ecology and taphonomy   Age range and collections

Gymnagnostus congros

Trilobita - Agnostida - Agnostidae

Taxonomy
Gymnagnostus congros was named by Robison and Pantoja-Alor (1968). Its type specimen is USNM 158892, a pygidium, and it is not a trace fossil. Its type locality is USNM 16002b, Tinu Formation, Oaxaca, Mexico - Robison and Pantoja-Alor 1968, which is in the Tremadoc of limestone/shale the Tinu Formation Mexico. It is the type species of Gymnagnostus.

Synonymy list
YearName and author
1968Gymnagnostus congros Robison and Pantoja-Alor p. 778

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

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