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The bizarre Lessiniabatis of Early Eocene Italy. Permineralized stingray teeth have been found in sedimentary deposits around the world as far back as the Early Cretaceous.The oldest known stingray taxon is "Dasyatis" speetonensis from the Hauterivian of England, whose teeth most closely resemble that of the extant sixgill stingray (Hexatrygon).
The common stingray has a plain coloration and mostly smooth skin. The common stingray has been reported to reach a width of 1.4 m (4.6 ft) and a length of 2.5 m (8.2 ft), though a width of 45 cm (18 in) is more typical. [8] The flattened pectoral fin disc is diamond-shaped and slightly wider than it is long, with narrowly rounded outer corners ...
Cownose ray teeth and mouthparts. Stingray teeth consist of interlocking bars (dental plates) that crush food. The cownose ray exhibits a durophagous diet, meaning it feeds upon hard-shelled organisms, such as mollusks , crustaceans , but they prefer scallops or clams , which have softer shells and are categorized as bivalves . [ 2 ]
The Atlantic stingray is found over fine substrates. The Atlantic Stingray is found in the western Atlantic Ocean from Chesapeake Bay southward to Florida and the Gulf of Mexico, to as far as Campeche, Mexico. [1] Records of this species from Grenada, Suriname, and Brazil are doubtful and may represent other species.
The pelagic stingray (Pteroplatytrygon violacea) is a species of stingray in the family Dasyatidae, and the sole member of its genus.It is characterized by the wedge-like shape of its pectoral fin disc, which is much wider than long, as well as by the pointed teeth in both sexes, whip-like tail with extremely long tail spine, and uniform violet to blue-green coloration.
Rhinoptera bonasus (Mitchill, 1815) - cownose stingray teeth & skeletal mouthparts (public display, Greater Cleveland Aquarium, Cleveland, Ohio, USA). I've seen fossil stingray teeth several times, but never understood them until now. The aquarium display shown above is the skeletal mouth remains of a modern cownose stingray.
Dasyatis chrysonota A. Smith, 1828 (blue stingray) Dasyatis gigantea (Lindberg, 1930) (giant stumptail stingray) Dasyatis hypostigma H. R. S. Santos & M. R. de Carvalho, 2004 (groovebelly stingray) Dasyatis marmorata Steindachner, 1892 (marbled stingray) Dasyatis pastinaca Linnaeus, 1758 (common stingray) Dasyatis tortonesei Capapé, 1975 ...
The short-tail stingray or smooth stingray (Bathytoshia brevicaudata) is a common species of stingray in the family Dasyatidae. It occurs off southern Africa , typically offshore at a depth of 180–480 m (590–1,570 ft), and off southern Australia and New Zealand , from the intertidal zone to a depth of 156 m (512 ft).