Family Triakidae Gray 1851 (hound shark)

Chondrichthyes - Carchariniformes - Triakidae

Parent taxon: Carcharhiniformes according to B. W. Kent 2018

See also Cappetta 1992, Cicimurri and Knight 2009, Cvancara and Hoganson 1993, Engelbrecht et al. 2017, Long and Stilwell 2000, Purdy et al. 2001, Underwood 2006 and Underwood et al. 1999

Sister taxa: Carcharhinidae, Hemigaleidae, Leptochariidae, Pachygaleus, Paratriakis, Proscylliidae, Protoscyliorhinus, Pseudotriakidae, Pterolamiops, Scyliorhinidae, Sphyrnidae, Squatigaleus

Subtaxa: Galeorhinus Hypogaleus Mustelus Palaeogaleus Triakini

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Ecology: nektonic carnivore

Distribution:

• Quaternary of United States (2: California collections)

• Pliocene of Australia (1), United States (2: California, North Carolina)

• MN 13 of Portugal (2)

• Miocene to Pliocene of Chile (2)

• Miocene of Costa Rica (1), France (2), Germany (2), India (1), Japan (1), Malta (1), Mexico (1), the Netherlands (2), Panama (3), Poland (1), Portugal (1), Slovakia (1), South Africa (1), United States (8: California, North Carolina, Virginia)

• Oligocene of Hungary (1), Japan (1), the Netherlands (3), United States (2: California, South Carolina)

• Eocene of Antarctica (4), Egypt (2), India (3), Jordan (1), Mexico (1), Nigeria (2), Togo (1), the United Kingdom (12), United States (11: Alabama, Arkansas, Georgia, Louisiana, Mississippi, Virginia), Uzbekistan (2), Western Sahara (2)

• Paleocene of France (1), Morocco (4), United States (3: California, Mississippi, New Jersey)

• Cretaceous of France (3), Israel (1), Peru (1), the Russian Federation (1), Sweden (3), the United Kingdom (1), United States (2: Maryland, Texas)

Total: 103 collections including 143 occurrences

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