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Gymnagnostus congros
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
Year | Name and author |
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1968 | Gymnagnostus congros Robison and Pantoja-Alor p. 778 |
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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.
†Gymnagnostus congros Robison and Pantoja-Alor 1968
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Diagnosis
No diagnoses are available