Isurus retroflexus Agassiz 1838 (mackerel shark)

Chondrichthyes - Lamniformes - Lamnidae

Alternative combination: Oxyrhina retroflexa

Synonym: Oxyrhina recta Davis 1888

Full reference: L. Agassiz. 1838. Recherches Sur Les Poissons Fossiles. Tome III (11me livraison) 73-140

Belongs to Isurus according to S. Everaert et al. 2019

See also Agassiz 1838, Agassiz 1843, Bengevoord 1973, Chapman 1918, Chapman and Cudmore 1924, Chapman and Pritchard 1904, Davis 1888, Kent 2018, Kocsis 2007, Leriche 1926, Leriche 1942 and Pledge et al. 2015

Sister taxa: Isurus appendiculatus, Isurus desori, Isurus escheri, Isurus leptodon, Isurus moniwaensis, Isurus oxyrinchus, Isurus pagoda, Isurus paucus, Isurus praecursor, Isurus sanctaeclarae, Isurus sillimanii, Isurus winkleri

Ecology: nektonic carnivore

Distribution:

• Miocene of Australia (8 collections), Belgium (5), Costa Rica (1), Hungary (1), Japan (4), the Netherlands (1), New Zealand (2), Slovakia (2), United States (3: Maryland, South Carolina, Virginia)

• Oligocene of Australia (2), New Zealand (1)

Total: 30 collections including 31 occurrences

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Specimen images are retrieved through the ePANDDA API.


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