Vectisuchus leptognathus, n. g. n. sp., a slender-snouted goniopholid crocodilian from the Wealden of the Isle of Wight

Buffetaut, Éric; Hutt, Stephen

doi:10.1127/njgpm/1980/1980/385

Cited by 26 publications

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“…Vectisuchus leptognathus was first described as a goniopholidid (Buffetaut and hutt, 1980;Jouve et al, 2006;Jouve, 2009;Wilberg, 2015), but later as a pholidosaurid (Young et al, 2016;Meunier et al, 2016;Ristevski et al, 2018), and sometimes closely related to E. cherifiensis (Andrade et al, 2011;Ristevski et al, 2018;Wilberg et al, 2019;Souza et al, 2019). In the present work, Elosuchus and Vectisuchus are more closely related to dyrosaurids than to pholidosaurids, Elosuchus being the sister taxon to Dyrosauridae (Fig.…”

Section: Basal Dyrosaurid Historysupporting

confidence: 54%

“…The retroarticular process is long and posteriorly directed in most of the pholidosaurids, and extremely long and strongly curved dorsally in all dyrosaurids, particularly in long snouted forms, and its medial wing is strongly deflected ventrally, a strong dyrosaurid apomorphy (Jouve et al, 2006a). Vectisuchus leptognathus Buffetaut and hutt, 1980, has a long retroarticular process with a low medial wing retroarticular process, while Elosuchus has a long retroarticular process that curves posterodorsally, and its medial wing ressembles that which is observed in dyrosaurids (MNHN uncatalogued specimens; S.J. per.…”

Section: Late Cretaceous Tethysuchiansmentioning

confidence: 99%

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Paleocene resurrection of a crocodylomorph taxon: Biotic crises, climatic and sea level fluctuations

Jouve¹

2020

Gondwana Research

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Postcranial material of a crocodylomorph from the Danian of Oulad Abdoun Basin (Morocco) is described. Several characters, in particular the shape of its dorsal osteoderms, allows its attribution to Pholidosauridae.Up till now, the latest known pholidosaurid was Terminonaris, from the Early Turonian of North America, so, the Moroccan pholidosaurid extends the stratigraphic range of the group to more than 20 million years younger, and shows that the pholidosaurids survived the K-Pg crisis. The reevaluation and the phylogenetic analysis of Dakotasuchus kingi, Woodbinesuchus byersmauricei, and Sabinosuchus coahuilensis, previously considered as goniopholidids and dyrosaurid, respectively, revealed rather that they are pholidosaurids. This analysis also suggests that at least two independent pholidosaurid lineages reached the Maastrichtian, among which one crossed the K-Pg boundary. This study proposes the first analysis of tethysuchian diversity from the Late Jurassic to the Early Paleogene. Two diversity peaks are observed during the Oxfordian and Cenomanian, two stages of high paleotemperatures evaluated with the δ 18 O. The tethysuchian diversity strongly decreases after the Cenomanian, a decline that may be correlated with the "Ocean Anoxic Event" (OAE 2), which caused the strong marine faunal turnover during the Cenomanian-Turonian time interval. The large Turonian-Coniacian oceanic regression could also be a factor in the tethysuchian decline. After that, tethysuchian diversity remains low until the Maastrichtian-lower Paleocene marine tethysuchian dyrosaurid diversification, correlated with the Late Cretaceous-Paleocene 3 transgression. At least one pholidosaurid lineage crossed the K-Pg boundary, confirming the weak impact of this crisis on the crocodylomorphs. Pholidosaurids seem to go extinct at the beginning of the Paleocene, possibly due to the strong radiation of dyrosaurids in marine environments and crocodylians in fresh-water during this time period.

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Section: Basal Dyrosaurid Historysupporting

confidence: 54%

Section: Late Cretaceous Tethysuchiansmentioning

confidence: 99%

Paleocene resurrection of a crocodylomorph taxon: Biotic crises, climatic and sea level fluctuations

Jouve¹

2020

Gondwana Research

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“…Although Nannosuchus has sometime been viewed as a juvenile form of Goniopholis (Salisbury, 2002), recent interpretations seem to recognize this genus as valid (Andrade et al, 2011). Concerning Vectisuchus, it was originally viewed as a longirostrine goniopholidid (Buffetaut and Hutt, 1980) and Andrade et al (2011) recently recovered it as part of the Pholidosauridae. To the exception of a few characters, the Dollo specimens fully comply with the diagnosis of Anteophthalmosuchus hooleyi Salisbury and Naish, 2011 from the Wealden of England.…”

Section: Taxonomic Referral and Phylogenetic Perspectivesmentioning

confidence: 99%

Osteology and affinities of Dollo's goniopholidid (Mesoeucrocodylia) from the Early Cretaceous of Bernissart, Belgium

Martin

Delfino

Smith

2016

Journal of Vertebrate Paleontology

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The two specimens originally referred by Louis Dollo to Goniopholis simus from the Early Cretaceous of Bernissart, Belgium are described. They consist of fully articulated skeletons, one missing the skull and mandibles. Comparison of these specimens with recently revised specimens from the Wealden of England allows confirmation that the Belgian specimens are referable to the goniopholidid Anteophthalmosuchus hooleyi. The Belgian specimens are the most completely known representatives of this species but also of any Goniopholididae. The study of the postcranial skeletons from Bernissart reveals that the appendicular skeleton closely resembles that of derived neosuchians. The dorsal and ventral shields present a morphology directly comparable to other goniopholidids and pholidosaurids. Such observations stress on the necessity to gather an osteological database of postcranial elements to test relationships of the various neosuchian lineages. Goniopholididae were relatively diverse during the Early Cretaceous of Europe and depending on taxonomic opinion, three to five genera are recognized: Anteophthalmosuchus, Goniopholis, Hulkepholis and possibly Vectisuchus and Nannosuchus.

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“…It occupies greater than one-third the total length of each ramus. The symphysis reaches caudally the level of the seventh dentary tooth in Goniopholis simus (Owen, 1878(Owen, , 1879, eleventh in Vectisuchus leptognathus (Buffetaut and Hutt, 1980), and fourteenth or fifteenth in Sunosuchus junggarensis (Wu et al, 1996). The width of the symphysis increases grad ually from the fifth alveoli to the splenial, where the two rami diverge caudally.…”

mentioning

confidence: 99%

The Archosauria from the Woodbine Formation (Cenomanian) in Texas

Lee

1997

J. Paleontol.

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The archosaur fauna from the Woodbine Formation (Cenomanian), Tarrant County, Texas includes crocodiles, theropod, nodosaurid, and hadrosaurid dinosaurs. A new neosuchian crocodile, Woodbinesuchus byersmauricei new genus and species, appears to be a longirostrine goniopholid. Isolated theropod teeth include morphotypes similar to Richardoestesia. Nodosaurid premaxillary teeth are unique among early nodosaurids in having no marginal cusps. Hadrosaurid remains represent the oldest hadrosaurs east of the Western Interior Seaway.

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Vectisuchus leptognathus, n. g. n. sp., a slender-snouted goniopholid crocodilian from the Wealden of the Isle of Wight

Cited by 26 publications

References 0 publications

Paleocene resurrection of a crocodylomorph taxon: Biotic crises, climatic and sea level fluctuations

Paleocene resurrection of a crocodylomorph taxon: Biotic crises, climatic and sea level fluctuations

Osteology and affinities of Dollo's goniopholidid (Mesoeucrocodylia) from the Early Cretaceous of Bernissart, Belgium

The Archosauria from the Woodbine Formation (Cenomanian) in Texas

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