Cranial Polymorphism and Systematics of Miocene and Living Alligator in North America

@inproceedings{Whiting2016CranialPA,
  title={Cranial Polymorphism and Systematics of Miocene and Living Alligator in North America},
  author={Evan T. Whiting and David W Steadman and Kent A Vliet},
  year={2016}
}
Abstract We examined the osteology of Neogene Alligator, with a focus on fossils from the late Miocene (~8–7 million years ago [Ma]) Moss Acres Racetrack locality in Marion County, Florida, USA. These fossils have been referred previously to Alligator cf. A. mefferdi (early late Miocene, ~12–10 Ma, Nebraska), an extinct species that we and others have found to be lacking autapomorphic characters. Furthermore, numerous cranial polymorphisms, previously regarded as diagnostic autapomorphies or… 
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The Lapara Creek Fauna: Early Clarendonian of south Texas, USA
  • S. May
  • Environmental Science, Geology
    Palaeontologia Electronica
  • 2019
The Lapara Creek Fauna includes a large collection of fossil vertebrates obtained by the State-Wide Paleontologic-Mineralogic Survey in Texas (1939–1941) under the direction of the Bureau of Economic…
Phylogenetic analysis of a new morphological dataset elucidates the evolutionary history of Crocodylia and resolves the long-standing gharial problem
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SOME THOUGHTS ON INTERSPECIFIC MANDIBULAR MORPHOLOGY IN FOSSIL AND MODERN ALLIGATOR
TLDR
The genus Alligator has historically been used for nearly any blunt-snouted (brevirostrine) crocodylomorph and has been greatly constrained in its modern application via Brochu, 1999 and 2004, such that species within the genus possess the following shared osteological traits.
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These estimates reveal complex spatiotemporal palaeodiversity patterns, in which two maxima can be detected: the first during the Palaeocene and the second, which is also the biggest, in the middle-late Miocene.
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