Sphyrna laevissima Cope 1867 (hammerhead shark)

Chondrichthyes - Carchariniformes - Sphyrnidae

Alternative combinations: Carcharias laevissimus, Galeocerdo laevissimus

Full reference: E. D. Cope. 1867. An addition to the vertebrate fauna of the Miocene period, with a synopsis of the extinct Cetacea of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 19(4):138-157

Belongs to Sphyrna according to M. Leriche 1942

See also Cope 1868, Eastman 1904 and Kent 2018

Sister taxa: Sphyrna americana, Sphyrna denticulata, Sphyrna elongata, Sphyrna gibbesii, Sphyrna gilmorei, Sphyrna itoriensis, Sphyrna lata, Sphyrna lewini, Sphyrna magna, Sphyrna media, Sphyrna prisca, Sphyrna tortilis, Sphyrna zygaena

Type specimen: Its type locality is James T. Thomas estate, which is in a Langhian offshore shelf horizon in the Calvert Formation of Maryland.

Ecology: nektonic carnivore

Distribution:

• Miocene of Colombia (1 collection), United States (3: Maryland)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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