Trigonognathus Mochizuki and Ohe 1990 (shark)
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Chondrichthyes - Squaliformes - Etmopteridae
Parent taxon: Etmopteridae according to B. Cahuzac et al. 2007
See also Aguilera and de Aguilera 2001
Sister taxa: Eoetmopterus, Etmopterus, Incognitorapax, Miroscyllium, Orthechinorhinus, Paraetmopterus, Proetmopterus
Subtaxa: Trigonognathus kabeyai Trigonognathus virginiae
Ecology: nektonic carnivore
Distribution:
• Miocene of Panama (1 collection)
• Eocene of France (1)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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