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The Chinese alligator split from the American alligator about 33 million years ago [8] and likely descended from a lineage that crossed the Bering land bridge during the Neogene. The modern American alligator is well represented in the fossil record of the Pleistocene. [9] The alligator's full mitochondrial genome was sequenced in the 1990s. [10]
Pogo (revived as Walt Kelly's Pogo) was a daily comic strip that was created by cartoonist Walt Kelly and syndicated to American newspapers from 1948 until 1975. Set in the Okefenokee Swamp in the Southeastern United States, Pogo followed the adventures of its anthropomorphic animal characters, including the title character, an opossum.
Alligator gar; Amberjack (genus Seriola) American sole (family Achiridae) Amur pike; Anchovy (family Engraulidae) Anemonefish (subfamily Amphiprioninae of family Pomacentridae) Angelfish (numerous unrelated taxa, including family Pomacanthidae, family Squatinidae, genus Pterophyllum, the Atlantic pomfret, the Atlantic spadefish, and the cave ...
Crocodiles (family Crocodylidae) or true crocodiles are large, semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term “crocodile” is sometimes used more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (both members of the family Alligatoridae), the gharial and false gharial (both ...
Alligatorinae is cladistically defined as Alligator mississippiensis (the American alligator) and all species closer to it than to Caiman crocodylus (the spectacled caiman). [ 8 ] [ 9 ] This is a stem-based definition for Alligatorinae, and means that it includes more basal extinct alligator ancestors that are more closely related to living ...
A recent study of the lungs of Alligator mississippiensis (the American alligator) has shown that the airflow through them is unidirectional, moving in the same direction during inhalation and exhalation. [36] This is also seen in birds and many non-avian dinosaurs, which have air sacs to further aid in respiration.
Unverified reports suggest lengths of up to 6 m (20 ft) for the black caiman and 5.84 m (19.2 ft) for the American alligator, reaching weights of over 1,000 kg (2,200 lb), but such lengths are probably exaggerated. Deinosuchus (fossil specimen), one of the largest crocodilians to ever exist.
The alligator gar (Atractosteus spatula) is a euryhaline ray-finned fish in the clade Ginglymodi of the infraclass Holostei / h oʊ ˈ l ɒ s t i aɪ /, being most closely related to the bowfins. It is the largest species in the gar family (Lepisosteidae), and is among the largest freshwater fish in North America .