†Leptostyrax Williston 1900 (mackerel shark)
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Chondrichthyes - Lamniformes - Eoptolamnidae
Synonym: Megarhizodon Sokolov 1978
Parent taxon: Eoptolamnidae according to J. Kriwet et al. 2008
See also Cappetta 1980, Cappetta and Case 1999, Hay 1902, Jordan 1963, Sepkoski 2002, Siverson 1992, Siverson 1996, Siverson 1997 and Underwood and Mitchell 1999
Sister taxon: Eoptolamna
Subtaxa: Leptostyrax macrorhiza
Type: Leptostyrax bicuspidatus
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Australia (2 collections), Japan (3), Lithuania (9), the Russian Federation (2), Sweden (1), the United Kingdom (2), United States (10: Kansas, South Dakota, Texas)
Total: 29 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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