Actinopteri - Ellimmichthyiformes

Synonyms: Clupea theta Cope 1873, Diplomystus analis Cope 1877, Diplomystus pectorosus Cope 1877, Diplomystus theta Cope 1873

Full reference: E. D. Cope. 1877. A contribution to the knowledge of the ichthyological fauna of the Green River shales. Bulletin of the United States Geological and Geographical Survey 3(4):807-819

Belongs to Diplomystus according to L. Grande 1982

See also Cope 1877, Hay 1902, Jordan 1910 and Woodward 1901

Sister taxa: Diplomystus altisomus, Diplomystus altus, Diplomystus birdi, Diplomystus coverhamensis, Diplomystus dartevellei, Diplomystus dubertreti, Diplomystus kokuraensis, Diplomystus primotinus, Diplomystus vectensis

Type specimens:

• Diplomystus dentatus: AMNH 2477
• Diplomystus analis:
• Diplomystus pectorosus:
• Diplomystus theta:

Ecology: nektonic carnivore

Distribution: found only at Tynsky Quarry (Eocene of Wyoming)

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Specimen images are retrieved through the ePANDDA API.