Order Hexanchiformes de Buen 1926 (shark)

Chondrichthyes - Hexanchiformes

Parent taxon: Squalimorphi according to J. A. Long 2011

See also Carnevale 2007, Cione and Reguero 1994, Cvancara and Hoganson 1993, Kent 2018, Long et al. 1993, Purdy et al. 2001, Rees 2000, Sepkoski 2002, Thies 1983, Underwood 2006 and Underwood and Ward 2004

Sister taxa: Echinorhiniformes, Pristiphoriformes

Subtaxa: Chlamydoselachidae Eonotidanus Hexanchidae Pachyhexanchus Paraheptranchias Paranotidanus Pseudonotidanidae Thrinax Weltonia

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Ecology: nektonic carnivore

Distribution:

• Quaternary of Brazil (1 collection), United States (2: California, South Carolina)

• Pliocene of Australia (1), Mexico (1), the Netherlands (1), United States (1: North Carolina)

• MN 13 of Portugal (1)

• Hemphillian of United States (1: California)

• Miocene to Pliocene of Argentina (1), Chile (1)

• Miocene of Australia (4), Austria (2), Colombia (1), Costa Rica (2), Denmark (2), France (7), Germany (1), India (1), Italy (2), Japan (7), Malta (2), Mexico (1), the Netherlands (3), Panama (1), Peru (1), Poland (2), Portugal (3), Slovakia (2), South Africa (1), United States (19: California, Delaware, Florida, Maryland, New Jersey, North Carolina, South Carolina, Virginia)

• Oligocene of Australia (2), France (1), Germany (2), Hungary (1), Japan (2), the Netherlands (1), New Zealand (1), Ukraine (1), United States (2: California, North Carolina)

• Eocene of Antarctica (3), Australia (2), Canada (1: British Columbia), Egypt (8), India (1), Italy (1), Jordan (2), Namibia (1), New Zealand (1), Spain (1), the United Kingdom (10), United States (5: New Jersey, Oregon, Virginia, Washington), Uzbekistan (1)

• Paleocene of Denmark (1), France (1), Kazakhstan (1), Morocco (1), New Zealand (2), Sweden (2), United States (3: California, New Jersey)

• Cretaceous to Paleogene of United States (1: New Jersey)

• Cretaceous of Antarctica (2), Argentina (1), Australia (1), Germany (1), India (1), Israel (2), Japan (4), Lebanon (1), New Zealand (1), the Russian Federation (2), Syria (3), the United Kingdom (2), United States (3: California, Texas)

• Jurassic of Belgium (1), France (3), Germany (4), Poland (2), Sweden (1), the United Kingdom (2)

• Permian of Japan (1)

Total: 175 collections including 212 occurrences

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