Family Isuridae Gray 1851 (mackerel shark)

Chondrichthyes - Odontaspidida - Isuridae

Parent taxon: Isuroidea according to J. Herman 1977

See also Case 1981, Deraniyagala 1969, Miller 1967 and Weiler 1938

Sister taxon: Lamiostomatidae

Subtaxa: Galeolamna Isuropsis Karaisurus Oxyrhina

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Ecology: nektonic carnivore

Distribution:

• Quaternary of Aruba (1 collection)

• Pliocene of Italy (1), South Africa (1)

• Neogene of North Pacific (2), South Pacific (4), United States (1: Hawaii)

• Miocene of Australia (4), Czechia (1), Italy (1), New Zealand (2), Portugal (1), Slovakia (1), Sri Lanka (2), United States (5: Maryland, New Jersey, South Carolina)

• Oligocene of Australia (3), Venezuela (1)

• Eocene to Oligocene of the Congo-Kinshasa (2)

• Eocene of Angola (5), Barbados (1), Belgium (1), Egypt (1), Namibia (1), Qatar (1), Romania (1), the United Kingdom (3), United States (1: Mississippi)

• Paleocene of United States (1: Montana)

• Cretaceous of France (6), Poland (1), Switzerland (1)

Total: 57 collections including 63 occurrences

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