Alligator mcgrewi is an extinct species of alligator described by K.P. Schmidt in 1941. They lived in the Early Miocene period, and their range was principally in what is now Nebraska, United States. It is a small alligator with an estimated body length of 1.6 metres (5.2 ft). A. mcgrewi has a unique snout, distinguishing it from other alligator species and implying that it evolved from specific environmental adaptations.
Classification
Alligator mcgrewi is a member of the subfamily Alligatorinae, within the larger family Alligatoridae. It is related to the living American alligator and Chinese alligator, as shown in the cladogram below:
References
