†Gymnagnostus mexicanus Robison and Pantoja-Alor 1968 (artiopod)
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Artiopoda - Agnostida - Agnostidae
Full reference: R. A. Robison and J. Pantoja-Alor. 1968. Tremadocian trilobites from the Nochixtlan Region, Oaxaca, Mexico. Journal of Paleontology 42(3):767-800
Belongs to Gymnagnostus according to B. R. Pratt 1988
See also Robison and Pantoja-Alor 1968
Sister taxa: Gymnagnostus congros, Gymnagnostus kobayashii, Gymnagnostus perinflatus
Type specimen: USNM 158883, a pygidium
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ordovician of Canada (1: Northwest Territories collection), Mexico (2)
• Cambrian of Canada (1: Newfoundland and Labrador)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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