Dinos 2023: Dinosaurs Wall Calendar

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First three-dimensional investigation of the limb long bone microanatomy of a sauropod dinosaur, Nigersaurus taqueti (Neosauropoda, Rebbachisauridae), and implications for the weight-bearing function". A small penguin cranium (Aves, Spheniscidae) from the Late Miocene of Bahía Inglesa Formation, Atacama Desert, Northern Chile". Two ornithomimid pedal phalanges are described from the Late Cretaceous Fox Hills Formation ( South Dakota, United States) by Chamberlain, Knoll, and Sertich (2023), representing the first dinosaur skeletal material from the formation. representing the first record of this genus from the Late Miocene of Argentina and the southernmost occurrence of a member of this genus reported to date. Spinosauridae family (Dinosauria: Theropoda): taxonomy, paleobiogeography and paleoecology (a revision)".

Dinosaurs Calendar 2024 Dinosaurs Calendar 2024

Elongated, non-avian theropod tracks (pes scrapes) in the Cretaceous of Colorado may represent failed attempts at nest building". connectens to be a taxon distinct from Terrestrisuchus gracilis, and interprets the histology of the femur of the second-largest studied specimen as indicative of sustained high growth rates.A study on the humeral histology in specimens of Aetosaurus ferratus from the Kaltental site (Lower Stubensandstein, Germany) is published by Teschner et al. use multiple lines of evidence, including histology of teeth and morphological comparisons, to evaluate proposed theropod facial reconstructions, and argue that non-avian theropods most likely had lips that covered their teeth. A study on the evolution of the dentary in hadrosauroids, providing evidence of changes during the transition from non-hadrosaurid hadrosauroids to saurolophids which probably enhanced food gathering and food processing abilities, is published by Söderblom et al. A study on the long bone histology of Muyelensaurus pecheni and Rinconsaurus caudamirus is published by González et al. Description of new eusauropod fossil material from the Middle Jurassic Dongdaqiao Formation ( China) is published by Wei et al.

2023 Dinosaur Calendar - Etsy UK 2023 Dinosaur Calendar - Etsy UK

A collection of isolated gavialoid teeth is reported from the shallow marine deposits of Eocene Turnu Roșu (Romania) by Venczel et al.

Revision of the fossil material of Saltoposuchus connectens is published by Spiekman (2023), who considers S.

Dinosaur Calendar 2023 - Etsy

New theropod dinosaur from the Lower Cretaceous of Japan provides critical implications for the early evolution of ornithomimosaurs". The postcranial anatomy of the saurolophine hadrosaurid Laiyangosaurus youngi from the Upper Cretaceous of Laiyang, Shandong, China". Anatomy and phylogeny of an exceptionally large sebecid (Crocodylomorpha) from the middle Eocene of southern France".A rebbachisaurid-mimicking titanosaur and evidence of a Late Cretaceous faunal disturbance event in South-West Gondwana". who interpret their findings as indicative of the presence of sexual dimorphism in the studied theropods. describe new tracksites with ornithopod, sauropod and theropod (including possible bird-like non-avian theropod) tracks from the Jurassic Isli Formation ( Morocco).

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Osteology of the armored Dinosauria in the United States National Museum, with special reference to the genus Stegosaurus". The largest ornithopod (Dinosauria: Ornithischia) from the Upper Jurassic of Europe sheds light on the evolutionary history of basal ankylopollexians".A collection of seven isolated spinosaurid teeth as well as a single preungual pedal phalanx of an indeterminate theropod are reported from the Berriasian–Valanginian Feliz Deserto Formation (Brazil) by Lacerda et al. Reconstruction of soft non-contractile tissue in the derived therizinosaur Nothronychus: the interplay of soft tissue and stress on hindlimb ossification and posture". Macroevolutionary patterns in the pelvis, stylopodium and zeugopodium of megalosauroid theropod dinosaurs and their importance for locomotor function".