Rare Complete Prognathodon Curri Skull & Jaws – Exceptional Fossil ...
WEB4 hours ago · An extraordinary fossilized skull and lower jaw of Prognathodon curri, a massive marine reptile from the mosasaur family, dating to the late Cretaceous (83.6 to 66 million years ago) in Khouribga Province, Morocco. This rare specimen showcases the largest species of the recently discovered Prognathodon genus.
Crocodilia - Wikipedia
WEB1 day ago · Crocodilia (or Crocodylia, both / k r ɒ k ə ˈ d ɪ l i ə /) is an order of semiaquatic, predatory reptiles known as crocodilians.They first appeared during the Late Cretaceous and are the closest living relatives of birds.Crocodilians are a type of crocodylomorph pseudosuchian, a subset of archosaurs that appeared about 235 million years ago and …
Chordate - Wikipedia
WEB1 day ago · A chordate (/ ˈ k ɔːr d eɪ t / KOR-dayt) is a deuterostomic bilaterial animal belonging to the phylum Chordata (/ k ɔːr ˈ d eɪ t ə / kor-DAY-tə).All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa.These five synapomorphies are …
2024 in paleomalacology - Wikipedia
WEB1 day ago · A study on the affinities of "Tornoceras" baldisi, based on data from new specimens from the Chigua Formation (), is published by Allaire et al. (2024), who transfer this species to the genus Epitornoceras, and interpret the uppermost levels of the Chavela Member of the Chigua Formation preserving its fossils as Givetian in age. [17]Piñeiro, …
Cetacea - Wikipedia
WEB1 day ago · Cetacea (/ s ɪ ˈ t eɪ ʃ ə /; from Latin cetus 'whale', from Ancient Greek κῆτος () 'huge fish, sea monster') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet.
List of dinosaur genera - Wikipedia
WEB1 day ago · Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. …
WWF Report: 73% Drop in Global Wildlife Populations Over 50 Years
WEB1 day ago · Populations have declined significantly over the last 50 years, according to trends in nearly 35,000 wildlife populations and 5,495 species of amphibians, birds, fish, mammals and reptiles, said the paper titled A System in Peril. The assessment emphasised the severe impact of human activities on wildlife and called for urgent action …
2024 in paleoichthyology - Wikipedia
WEB1 day ago · A study on the evolutionary history of hagfishes, as indicated by the fossil record and molecular data, is published by Brownstein & Near (2024), who consider the hagfish crown group to be a lineage with Early Permian origin and a long history in continental slope settings. [5]Brookfield (2024) interprets Jamoytius kerwoodi as a …
2024 in paleobotany - Wikipedia
WEB1 day ago · Evidence from genomic data, interpreted as indicating that the brown algae originated during the Ordovician but their major diversification happened during the Mesozoic, is presented by Choi et al. (2024). [10]Kiel et al. (2024) report the discovery of kelp holdfasts from the Oligocene strata in Washington State (United States), providing …
Arthropod - Wikipedia
WEB1 day ago · Arthropods (/ ˈ ɑːr θ r ə p ɒ d / ARTH-rə-pod) [22] are invertebrates in the phylum Arthropoda.They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated segments, and paired jointed appendages.In order to keep growing, they must go through stages of moulting, a …
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