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Elasmobranchii is one of the two subclasses of cartilaginous fish in the class Chondrichthyes, the other being Holocephali . Members of the elasmobranchii subclass have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. The teeth are in several series; the ...
Many had hypocercal tails in order to generate lift to increase ease of movement through the water for their armoured bodies, which were covered in dermal bone. They also had sucking mouth parts and some species may have lived in fresh water. The taxon contains the subgroups Heterostraci, Astraspida, Arandaspida. † Thelodonti (extinct)
The common eagle ray was found to have lower mercury concentrations (0.67-1.01 mg/kg) than Chimaera monstrosa or Torpedo nobiliana. This is likely due to its diet as both the other two species feed on higher trophic levels (compared to the invertebrates that make up this eagle ray's diet).
Pages in category "Elasmobranchii" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. ...
Gansuselache is a genus of extinct elasmobranch in the order Hybodontiformes, comprising one species, Gansuselache tungshengi from Gansu Province (Beishan Hills), China. [1] It is known from Fangshankou Formation , which previously interpreted as Permian in age, but reinterpreted as the Early Triassic in later study. [ 2 ]
Eating Well/Getty Images. ... Just 1 cup of canned black bean soup provides 6 grams of protein, 8 grams of fiber and 309 milligrams of potassium. So, go ahead and dig in! Sweet Potato Soup.
The two remaining species, the dwarf sawfish and narrow sawfish, are considerably smaller, but are still large fish with a maximum total length of at least 3.2 m (10.5 ft) and 3.5 m (11.5 ft) respectively. [1] [55] In the past it was often reported that the dwarf sawfish only reaches about 1.4 m (4.6 ft), but this is now known to be incorrect.
An American Airlines flight departing New York's LaGuardia Airport on Thursday evening had to divert to nearby John F. Kennedy International shortly after takeoff after a reported bird strike ...