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Ptychotrygon blainensis

Chondrichthyes - Rajiformes - Ptychotrygonidae

Taxonomy
Ptychotrygon blainensis was named by Case (1978). Its type specimen is MTA 33, a tooth, and it is not a trace fossil.

Sister species lacking formal opinion data
P. agujaensis, P. boothi, P. chattahoocheensis, P. ellae