Actinopteri - Semionotiformes - Semionotidae
Alternative combination: Semionotus agassizi
Belongs to Semionotus according to L. L. Beltan 1972
See also Hay 1902 and Rapp 1946
Sister taxa: Semionotus agassizii, Semionotus australis, Semionotus beardmori, Semionotus bergeri, Semionotus braunii, Semionotus capensis, Semionotus elegans, Semionotus formosus, Semionotus fultus, Semionotus gibbus, Semionotus gigas, Semionotus howelli, Semionotus kapffi, Semionotus leptocephalus, Semionotus lineatus, Semionotus metcalfi, Semionotus micropterus, Semionotus minutus, Semionotus nilssoni, Semionotus normanniae, Semionotus ovatus, Semionotus parvus, Semionotus robustus, Semionotus tenuis, Semionotus trotti
Ecology: nektonic durophage-carnivore
Distribution:
• Jurassic of United States (2: Connecticut, New Jersey collections)
• Triassic of Spain (2)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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