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Unlike the other extinct alligator species of the same genus, the fossil skull was virtually indistinguishable from that of the modern American alligator. This alligator and the American alligator are now considered to be sister taxa, suggesting that the A. mississippiensis lineage has existed in North America for seven to eight million years. [1]
An alligator, or colloquially gator, is a large reptile in the genus Alligator of the family Alligatoridae in the order Crocodilia. The two extant species are the American alligator (A. mississippiensis) and the Chinese alligator (A. sinensis). Additionally, several extinct species of alligator are known from fossil remains.
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 ...
Genus Alligator – Cuvier, 1807 – two species Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population American alligator. A. mississippiensis Daudin, 1801: Southeastern United States: Size: up to 450 kg (990 lb) Habitat: Wetlands (inland), intertidal marine, and coastal marine [2] Diet: [2] LC
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]
This is just another example of how resilient the American alligator is.” Alligators are known to fight to the death over turf, mates and protecting their young. The species is also not above ...
Articles relating to the genus Alligator. The two extant species are the American alligator (A. mississippiensis) and the Chinese alligator (A. sinensis). Additionally, several extinct species of alligator are known from fossil remains.
It argues that human-alligator interactions become more likely the more time people spend beside the water but adds that “alligators seldom bite people and fatalities from such occurrences are ...