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2011, Molecular Ecology
Comptes Rendus Palevol
Molecular evidence for species level divergence in African Nile crocodiles Crocodylus niloticus (Laurenti, 1786)2003 •
Relationships of the newly discovered dwarf crocodiles from Mauritania were inferred from mitochondrial 12S sequences. Specimens from 13 different Crocodylus niloticus populations (from East Africa, West Africa and Madagascar) were compared. Additional representatives of the genus Crocodylus (one from Africa and one from Australia), the African genus Osteolaemus and the South American alligatorid Paleosuchus palpebrosus (as outgroup) were included in the
Journal of Vertebrate Paleontology
A giant crocodile from the Plio-Pleistocene of Kenya, the phylogenetic relationships of Neogene African crocodylines, and the antiquity of Crocodylus in Africa2012 •
We describe a new crocodile, Crocodylus thorbjarnarsoni, sp. nov., on the basis of skulls and jaws from Pliocene and Pleistocene deposits in the Lake Turkana Basin of Kenya. The new species has a comparatively broad, deep snout and resembles an extinct horned crocodile from the Quaternary of Olduvai Gorge (C. anthropophagus), but the squamosal ‘horns’ are not as well developed. The skull table has a strongly trapezoidal outline different from those of the living Nile crocodile (C. niloticus) and crocodiles from late Miocene deposits in the Turkana Basin. The largest specimens are from animals up to 7.5 m in total length. It would have been the largest predator in its environment, and the early humans found in the same deposits were presumably part of its prey base. A phylogenetic analysis, including the new species and an improved sample of extinct crocodyline diversity, suggests a more complex phylogenetic and biogeographic history for the clade in Africa and the eastern Indian Ocean region than previously supposed. The analysis limits the known geographic and stratigraphic range of Rimasuchus lloydi, previously thought to occur throughout Africa from the early Miocene through the Pleistocene of northern Africa. Crocodylus niloticus is not known with certainty from units older than the Quaternary, and most late Miocene fossils from the Turkana Basin previously referred to C. niloticus can instead be referred to C. checchiai. The current first appearance datum for Crocodylus in Africa is approximately 7 Ma.
Herpetological Conservation and Biology
Genetic Screening of Captive Philippine Crocodiles (Crocodylus Mindorensis) as Prerequisite for Starting a Conservation Breeding Program in EuropePhilippine Crocodiles (Crocodylus mindorensis) are among the rarest crocodilians worldwide. Captive propagation for building up a conservation breeding and reserve population in Europe has recently been undertaken as a management action. For this purpose, 15 presumed C. mindorensis all originating from a captive source in the Philippines were brought to different facilities in Europe in 2006. Identification of hybrid individuals, deriving from crosses of the Philippine Crocodile with the Saltwater Crocodile (C. porosus) at a captive breeding facility in the Philippines prompted us to undertake a genetic screening of the European individuals to determine whether evidence for hybridization could be detected. We sequenced the 14 remaining C. mindorensis individuals, five additional C. mindorensis from other sources, and two C. porosus for two mitochondrial and three nuclear gene fragments. No evidence of C. porosus introgression was detected in 18 of the presumed pure C. mindorensis; h...
Molecular Phylogenetics and Evolution
Species-level diversification of African dwarf crocodiles (Genus Osteolaemus): A geographic and phylogenetic perspective2009 •
Organisms Diversity & Evolution
Genetic differentiation of the African dwarf crocodile Osteolaemus tetraspis Cope, 1861 (Crocodylia: Crocodylidae) and consequences for European zoos2013 •
Molecular Phylogenetics and Evolution
A phylogenetic hypothesis for Crocodylus (Crocodylia) based on mitochondrial DNA: Evidence for a trans-Atlantic voyage from Africa to the New World2011 •
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Biochemical Genetics
Genetic Diversity of Tomistoma schlegelii Inferred from mtDNA Markers2013 •
Journal of Zoology
Cross-sectional geometric properties of the crocodylian humerus: an exception to Wolffs Law2002 •
Scientific Papers, Natural History Museum, The University of Kansas No. 37:1-21
The Herpetofauna of Upper Niger National Park, Guinea, West Africa2005 •
Zoological Journal of the …
First European evidence for transcontinental dispersal of Crocodylus (late Neogene of southern Italy)2007 •
2014 •
… Zoology Part A: …
Hybridization Between Crocodylus Acutus and Crocodylus Moreletii In the Yucatan Peninsula: I. Evidence From Mitochondrial DNA and Morphology2008 •
2007 •
2014 •
Bulletin of the American Museum of Natural …
Morphology of the Late Cretaceous Crocodylomorph Shamosuchus Djadochtaensis and a Discussion of Neosuchian Phylogeny As Related to the Origin of Eusuchia2009 •
Royal Society Open Science
Integrating molecular, phenotypic and environmental data to elucidate patterns of crocodile hybridization in Belize2015 •
Bollettino della Società Paleontologica Italiana
The early Pleistocene vertebrate fauna of Mulhuli-Amo (Buia area, Danakil Depression, Eritrea).Journal of Morphology
The evolution, development and skeletal identity of the crocodylian pelvis: Revisiting a forgotten scientific debate2012 •
The Anatomical Record
Allure of El Lagarto?Why do dinosaur paleontologists love alligators, crocodiles, and their kin?2003 •
2008 •
Animal et religion
Les circonvolutions allégoriques du serpent d'airain2016 •
Molecular Phylogenetics and Evolution
Are crocodiles really monophyletic?—Evidence for subdivisions from sequence and morphological data2006 •
American Museum Novitates
New Araripesuchus Remains From the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia2005 •
Zoological Journal of …
A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications2006 •
American Museum Novitates
A New Gobiosuchid Crocodyliform Taxon From the Cretaceous of Mongolia2004 •
Journal of Vertebrate Paleontology
A new species of Araripesuchus (Crocodylomorpha, Mesoeucrocodylia) from the lower Cretaceous of Patagonia (Argentina)2000 •