A study on the microstructure of teeth of Hamipterus, providing evidence of thin enamel that covered approximately half of the tooth crown, is published by Chen et al.

2023 FREE Cute ️ Printable Calendars Designs - DinoPlanners 2023 FREE Cute ️ Printable Calendars Designs - DinoPlanners

Description of a pathological tooth of Spinosaurus from the Late Cretaceous Ifezouane Formation ( Morocco) is published by Smith and Martill (2023), representing the first record of external dental pathology in a spinosaurine spinosaurid. attempt to determine the dietary habits of longipterygids, reporting dental features indicative of carnivory, with additional support for insectivory. Vectipelta barretti, a new ankylosaurian dinosaur from the Lower Cretaceous Wessex Formation of the Isle of Wight, UK". Fossils of the oldest diplodocoid dinosaur suggest India was a major centre for neosauropod radiation".who suggest that osteoderm structure may have helped nodosaurids colonize high-latitude environments more easily. The vertebrate fossil record from the Feliz Deserto Formation (Lower Cretaceous), Sergipe, NE Brazil: paleoecological, taphonomic, and paleobiogeographic implications". A study on the duration of Late Cretaceous megaherbivore dinosaur assemblage zones in the 100 m thick stratigraphic section exposed at Dinosaur Provincial Park (Alberta, Canada) is published by Eberth et al.

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Partial skeleton from the Paleocene of New Zealand illuminates the early evolutionary history of the Phaethontiformes (tropicbirds)". describe the first dinosaur tracks from the Upper Cretaceous Nichkesaisk Formation ( Kyrgyzstan), probably produced by both large-bodied and smaller-bodied theropods or ornithopods. A study on the biomechanical properties of the skulls of Heterodontosaurus tucki, Lesothosaurus diagnosticus, Scelidosaurus harrisonii, Hypsilophodon foxii and Psittacosaurus lujiatunensis is published by Button et al.

A tooth of a member of the genus Purussaurus is described from the Toma Vieja locality near Paraná City (traditionally considered as the base of Ituzaingó Formation) by Bona et al.

Dinosaur 2023 Calendar - Etsy Canada Dinosaur 2023 Calendar - Etsy Canada

corroborate the identification of abelisaurid and peirosaurid teeth from the Upper Cretaceous Ciénaga del Río Huaco Formation, representing the first record of both groups from the Upper Cretaceous of the Precordillera of La Rioja ( Argentina).

Dots on a screen: The past, present, and future of morphometrics in the study of nonavian dinosaurs". Samathi, Adun; Weluwanarak, Jakkrapat; Duanyai, Punyawee; Kaikaew, Siripat; Suteethorn, Suravech (2023-01-13). Intraindividual variability of the histological, chronological and growth patterns in post-cranial elements of Liaoningvenator curriei (Paraves: Troodontidae)". Four teeth representing the first pterosaur material from Ukraine reported to date are described from the Lower Cretaceous Burim Formation by Sokolskyi (2023). Downy feather fossils from the Lower Cretaceous of the Jiuquan Basin, Gansu Province, Northwest China".

Dinosaur 2023 Calendar - Etsy UK

A study on the gastral mass preserved with specimens of Archaeorhynchus and Iteravis, interpreted as indicative of the digestive system comparable to that of extant birds, is Liu et al. Preserved membrane on dinosaur eggshell fragments, Upper Jurassic Morrison Formation, eastern Utah". Morphometric analysis confirms the presence of the Plains-wanderer (Aves: Pedionomus torquatus) in fossil deposits at Naracoorte Caves, South Australia". describe a non-pterodactyloid pterosaur specimen from the Bathonian Lealt Shale ( Isle of Skye, Scotland, United Kingdom), preserving metatarsal and caudal vertebrae which are considerably larger than corresponding bones in the holotype of Dearc sgiathanach. A pathological third metatarsal of Phuwiangvenator, indicating that the bone experienced a greenstick fracture and healed before the animal's death, is described from the Lower Cretaceous Sao Khua Formation ( Khon Kaen, Thailand) by Samathi et al.Paleobiology of Rinconsaurus caudamirus and Muyelensaurus pecheni (Sauropoda, Titanosauria) from the Neuquén Group, Upper Cretaceous of Argentina: inferences from long bone histology". Exploring the ceratopsid growth record: a comprehensive osteohistological analysis of Triceratops (Ornithischia: Ceratopsidae) and its implications for growth and ontogeny". Exploring rebbachisaurid hind-limb anatomy on the basis of a new articulated specimen from the Huincul Formation (upper Cenomanian) of Neuquén Basin, Patagonia, Argentina". A rebbachisaurid-mimicking titanosaur and evidence of a Late Cretaceous faunal disturbance event in South-West Gondwana". Evolutionary process toward avian-like cephalic thermoregulation system in Theropoda elucidated based on nasal structures".