Results 81 to 90 of about 666 (165)
, 2006 Figure 8. Skull, mandible, and postcranial remains of Dyrosaurus maghribensis sp. nov., OCP DEK-GE 253, Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco.Published as part of Jouve, Stéphane, Iarochène, Mohamed, Bouya, Baâdi & Amaghzaz, Mbarek, 2006,
Jouve, Stéphane +3 more
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Palaeontology, Volume 69, Issue 3, 2026.Abstract Notosuchian crocodylomorphs were predominantly active terrestrial predators, exhibiting a wide range of ecomorphological specializations and body sizes. Given that body size plays an important role in the life history of vertebrates, its accurate estimation for notosuchians is crucial for understanding macroevolutionary and macroecological ...
Ana Laura S. Paiva +4 more
wiley +1 more source
The first definitive Middle Jurassic atoposaurid (Crocodylomorpha, Neosuchia), and a discussion on the genus Theriosuchus [PDF]
Zoological Journal of the Linnean Society, 2015 Atoposaurids were a clade of semiaquatic crocodyliforms known from the Late Jurassic to the latest Cretaceous. Tentative remains from Europe, Morocco, and Madagascar may extend their range into the Middle Jurassic. Here we report the first unambiguous Middle Jurassic (late Bajocian–Bathonian) atoposaurid: an anterior dentary from the Isle of Skye ...
Mark T. Young +6 more
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Palaeontology, Volume 69, Issue 3, 2026.Abstract Recent work has suggested that the presence of extraoral soft tissues (‘lips’), in the form of labial scales in theropod dinosaurs, could be inferred based on: anteroposteriorly distributed foramina in the rostral bones, similar to extant lepidosaurs; vertically projected teeth; uniform enamel thickness in maxillary teeth; and an allometric ...
Rafael Terras +9 more
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Review of the tetrapod skull–neck boundary: implications for the evolution of the atlas–axis complex
Biological Reviews, Volume 100, Issue 6, Page 2435-2470, December 2025.ABSTRACT This review describes variation in modern and fossil occiput–atlas–axis complex anatomy of total group Tetrapoda with the aim of documenting the range of structural variation throughout their evolutionary history to establish grounds for comparison of the complex between tetrapod clades.
Dana E. Korneisel, Hillary C. Maddin
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A sebecosuchian in a middle Eocene karst with comments on the dorsal shield in Crocodylomorpha [PDF]
Acta Palaeontologica Polonica, 2014 Isolated elements comprising a set of ziphodont teeth and osteoderms from the middle Eocene karst deposit of Lissieu, France are assigned to either Iberosuchus sp. or Bergisuchus sp., poorly known crocodylomorphs of possible sebecosuchian affinities. A general survey of dorsal osteoderm variability among Crocodylomorpha points to the similarity between
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Publicación Electrónica de la Asociación Paleontológica Argentina, 2015 Metriorhynchidae was the only Crocodylomorpha with a pelagic marine lifestyle. Related to this lifestyle, its peculiar body plan al- lows clearly differentiate them from others Crocodylomorpha.
Yanina Herrera
doaj
The velar chord and dynamic integration of the gular valve in crocodylians
The Anatomical Record, Volume 308, Issue 8, Page 2234-2249, August 2025.Crocodilians have a unique gular valve that forms a seal between the oral cavity and the pharynx. The gular valve has traditionally been treated as two parts: a mobile ventral flap associated with the tongue and a fixed dorsal velum palatini. This work describes a connective tissue band, the velar chord, which functionally integrates the two parts of ...
Bruce A. Young +2 more
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Dental histology of Guarinisuchus munizi (Crocodylomorpha, Dyrosauridae)
Historical BiologyGuarinisuchus munizi, a Paleocene dyrosaurid crocodyliform from the Maria Farinha Formation (Paraíba Basin, Brazil), survived the Cretaceous–Palaeogene mass extinction. While macromorphology suggests piscivory, its dietary flexibility remains unclear. This study presents the first histological analysis of G.
Maria Erivânia Izidio +4 more
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The Anatomical Record, Volume 308, Issue 2, Page 369-393, February 2025.Abstract Riojasuchus tenuisceps was a pseudosuchian archosaur from the Late Triassic period in Argentina. Like other ornithosuchids, it had unusual morphology such as a unique “crocodile‐reversed” ankle joint, a lesser trochanter as in dinosaurs and a few other archosaurs, robust vertebrae, and somewhat shortened, gracile forelimbs.
M. Belen von Baczko +4 more
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