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Evidence for a pre-PETM dispersal of the earliest European crocodyloids

Published on Nov 3, 2017in Historical Biology1.49
· DOI :10.1080/08912963.2017.1396323
Massimo Delfino20
Estimated H-index: 20
(Autonomous University of Barcelona),
Jeremy E. Martin6
Estimated H-index: 6
(École normale supérieure de Lyon),
Thierry Smith24
Estimated H-index: 24
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Abstract
AbstractCrocodyloid remains from the late Paleocene of Mont de Berru (France) hosted in the collections of the Museum National d’Histoire Naturelle (Paris, France) and in the Institut royal des Sciences naturelles de Belgique (Brussels, Belgium) are described for the first time. This material, although fragmentary, can be clearly referred on a morphological basis to Asiatosuchus depressifrons (Blainville, 1855), a species previously reported from several Eocene Belgian localities thanks to abundant material including a nearly complete skeleton. The Paleocene material shares with A. depressifrons the number of alveoli involved in the dentary symphysis, the exclusion of the splenials from the symphysis, and the presence of a distinct depression on the jugal. The fossil remains from Berru represent the oldest European crocodyloid. Along with the alligatoroid Diplocynodon remensis Martin, Smith, de Lapparent de Broin, Escuillie and Delfino, 2014, previously reported from the same locality, the crocodyloid A. ...
  • References (16)
  • Citations (2)
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References16
Newest
Published on Sep 2, 2017in Journal of Systematic Palaeontology2.31
Eric De Bast7
Estimated H-index: 7
(Royal Belgian Institute of Natural Sciences),
Thierry Smith24
Estimated H-index: 24
(Royal Belgian Institute of Natural Sciences)
The mammal fauna of Hainin is particularly interesting as the oldest in the Cenozoic of Europe, and the earliest reference level (MP1–5) of the mammalian biochronological scale for the European Palaeogene. This paper summarizes the mammal taxa discovered in the fauna, presents an analysis of the fauna as a whole (relative abundance and species richness), and describes four new eutherians: Belgoryctes thaleri gen. et sp. nov., Eurolestes dupuisi gen. et sp. nov., Quadratodon sigei gen. et sp. nov...
Published on Dec 1, 2016in BMC Evolutionary Biology3.04
Walter G. Joyce24
Estimated H-index: 24
(University of Fribourg),
Márton Rabi13
Estimated H-index: 13
(University of Tübingen)
+ 1 AuthorsXing Xu41
Estimated H-index: 41
(CAS: Chinese Academy of Sciences)
Background Turtles (Testudinata) are a successful lineage of vertebrates with about 350 extant species that inhabit all major oceans and landmasses with tropical to temperate climates. The rich fossil record of turtles documents the adaptation of various sub-lineages to a broad range of habitat preferences, but a synthetic biogeographic model is still lacking for the group.
Published on Aug 24, 2016in PeerJ2.35
Yan-yin Wang1
Estimated H-index: 1
(CAS: Chinese Academy of Sciences),
Corwin Sullivan22
Estimated H-index: 22
(CAS: Chinese Academy of Sciences),
Jun Liu12
Estimated H-index: 12
(CAS: Chinese Academy of Sciences)
Background. The primarily Neotropical distribution of living alligatoroids raises questions as to when and how the ancestors of Alligator sinensis migrated to China. As phylogeny provides a necessary framework for historical biogeographic issues, determining the phylogenetic positions of the Chinese alligatoroids is a crucial step towards understanding global alligatoroid paleobiogeography. Besides the unnamed alligatoroids from the Eocene of Guangdong Province, three Chinese fossil taxa have be...
Published on Jan 1, 2016in Cretaceous Research2.12
Eduardo Puértolas-Pascual7
Estimated H-index: 7
(University of Zaragoza),
Alejandro Blanco8
Estimated H-index: 8
(Autonomous University of Barcelona)
+ 1 AuthorsJosé Ignacio Canudo15
Estimated H-index: 15
(University of Zaragoza)
Abstract Although the European dinosaur succession during the latest Cretaceous and its relationship with the Cretaceous-Paleogene (K-Pg) mass extinction has been the focus of recent work, other continental vertebrates, such as crocodylomorphs, have received less attention. The European continental record of crocodylomorphs in general, and of eusuchians in particular, is relatively dense through the Maastrichtian until the K-Pg boundary. Traditionally it has been argued that continental crocodyl...
Published on Dec 1, 2014in Zoological Journal of the Linnean Society2.91
Jeremy E. Martin16
Estimated H-index: 16
(UoB: University of Bristol),
Thierry Smith24
Estimated H-index: 24
+ 1 AuthorsMassimo Delfino20
Estimated H-index: 20
(UNITO: University of Turin)
Crocodilian remains from the late Palaeocene continental locality of Mont de Berru (Marne, France) offer the opportunity to reassess the taxonomic identity of the oldest diplocynodontid from Europe. Owing to significant morphological differences from previously described species of Diplocynodon, which include the presence of a splenial symphysis, a new species, Diplocynodon remensis sp. nov., is erected here. Its inclusion in a phylogenetic framework for Eusuchia leads to its positioning as a de...
Published on Jan 29, 2014in PLOS ONE2.78
Thierry Smith24
Estimated H-index: 24
,
Florence Quesnel4
Estimated H-index: 4
(University of Orléans)
+ 19 AuthorsJulien Claude19
Estimated H-index: 19
(University of Montpellier)
The Paleocene-Eocene Thermal Maximum (PETM) is correlated with the first occurrences of earliest modern mammals in the Northern Hemisphere. The latest Paleocene Clarkforkian North American Land Mammal Age, that has yielded rodents and carnivorans, is the only exception to this rule. However, until now no pre-PETM localities have yielded modern mammals in Europe or Asia. We report the first Clarkforkian equivalent Land Mammal Age in the latest Paleocene deposits of the basal Sparnacian facies at ...
Published on May 1, 2012in Journal of Vertebrate Paleontology1.74
Antonio Pérez García14
Estimated H-index: 14
(Complutense University of Madrid)
ABSTRACT Paracryptodira is composed of North American Baenidae and an undefined group of North American and European turtles known from the Middle Jurassic to the mid-Paleocene. Traditional members of Pleurosternidae are included in this group. Whereas the North American record extends into the mid-Paleocene, it was proposed that European nonbaenid paracryptodirans disappeared during the Early Cretaceous. However, an analysis of turtle remains from the upper Paleocene of Western Europe revealed ...
Published on May 1, 2012in Journal of Vertebrate Paleontology1.74
Christopher A. Brochu29
Estimated H-index: 29
(UI: University of Iowa),
Glenn W. Storrs16
Estimated H-index: 16
(Cincinnati Museum Center)
ABSTRACT 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. nilot...
Cited By2
Newest
Published on Jul 4, 2019in Zoological Journal of the Linnean Society2.91
Ane De Celis (Grupo México), Iván Narváez8
Estimated H-index: 8
(Grupo México),
Francisco Ortega21
Estimated H-index: 21
(Grupo México)
Published on Feb 1, 2019in Cretaceous Research2.12
Chun Li (CAS: Chinese Academy of Sciences), Xiao-Chun Wu , Scott James Rufolo
Abstract Jiangxisuchus nankangensis gen. et sp. nov. is described on the basis of a nearly complete skull and mandible from the Upper Cretaceous of China. It is the only representative of the Crocodyloidea truly known in the Cretaceous of China on the basis of a set of cranial features, such as the palatine not extending significantly beyond the anterior end of the suborbital fenestra and the fronto-parietal suture making modest entry into the supratemporal fenestra at maturity. Within the Croco...