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Squamate phylogeny and the relationships of snakes and mosasauroids
Abstract Cladistic analysis of extant and fossil squamates (95 characters, 26 taxa) finds the fossil squamate,Coniasaurus Owen, 1850, to be the sister-group of the Mosasauroidea (mosasaurs andExpand
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ON THE AQUATIC SQUAMATE DOLICHOSAURUS LONGICOLLIS Owen, 1850 (CENOMANIAN, UPPER CRETACEOUS), AND THE EVOLUTION OF ELONGATE NECKS IN SQUAMATES
Abstract The marine squamate, Dolichosaurus longicollis, from the Upper Cretaceous (Cenomanian) Chalk deposits of southeast England is redescribed. The elongate neck of D. longicollis is produced byExpand
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Anatomy and relationships of Pachyrhachis problematicus, a primitive snake with hindlimbs
The anatomy of Pachyrhachis problematicus , an elongate, limb–reduced squamate from the Upper Cretaceous of Israel, is described and evaluated in detail. Previously considered a snake–like ‘lizard’Expand
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Ontogeny and phylogeny of the mesopodial skeleton in mosasauroid reptiles
Abstract Current phylogenies of mosasauroid reptiles are reviewed and a new phylogeny examining aigialosaur interrelationships presented. Patterns of mesopodial ossification and overall limbExpand
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Limb osteology and ossification patterns in Cryptoclidus (Reptilia: Plesiosauroidea) with a review of sauropterygian limbs
ABSTRACT Limb osteology and ontogenetic patterns of limb ossification are described for the plesiosaur Cryptoclidus eurymerus (Upper Jurassic: Callovian), and compared to those of otherExpand
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Ontogeny, anatomy and attachment of the dentition in mosasaurs (Mosasauridae: Squamata)
Aspects of mosasaur dental ontogeny are well preserved in many fossils of these giant marine squamates. Replacement teeth on the tooth-bearing elements (TBEs) first appear as small enamel crownsExpand
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A snake with legs from the marine Cretaceous of the Middle East
Although snakes are descended from limbed squamates ('lizards'), all known snakes lack well developed legs and their nearest lizard relatives have yet to be identified1–4. Here we provide compellingExpand
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Limb ossification patterns of the ichthyosaur Stenopterygius, and a discussion of the proximal tarsal row of ichthyosaurs and other neodiapsid reptiles
Abstract Limb ossification patterns for the Lower Jurassic (Toarcian) ichthyosaur, Stenopterygius , are described. It is found that limb ossification follows a continuous proximal to distal sequenceExpand
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A NEW GENUS OF ICHTHYOSAUR FROM THE LOWER CRETACEOUS OF WESTERN CANADA
Abstract:  A new fauna of Lower Cretaceous (Albian) ichthyosaurs, which includes at least one new genus and species, was recovered from deposits of the Loon River Formation at Hay River, NorthwestExpand
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ADRIOSAURUS AND THE AFFINITIES OF MOSASAURS, DOLICHOSAURS, AND SNAKES
Abstract The poorly-known, long bodied, limb-reduced marine lizard Adriosaurus suessi Seeley, 1881, is reassessed. Adriosaurus and a number of other marine lizards are known from Upper CretaceousExpand
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