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11 de may. de 2024 · ichthyosaur, any member of an extinct group of aquatic reptiles, most of which were very similar to porpoises in appearance and habits. These distant relatives of lizards and snakes (lepidosaurs) were the most highly specialized aquatic reptiles, but ichthyosaurs were not dinosaurs. Probable birth of an Ichthyosaurus, Early Jurassic fossil from ...
Hace 5 días · According to weight estimates by Ryosuke Motani a 2.4 m (8 ft) Stenopterygius weighed around 163–168 kg (359–370 lb), whilst a 4 m (13 ft) Ophthalmosaurus icenicus weighed 930–950 kg (2,050–2,090 lb). General build CGI restoration of Ichthyosaurus communis
6 de may. de 2024 · SMNS 80234 (Stenopterygius quadriscissus) represents another female with embryos, yet also shows ribs broken perimortem that can be either of intraspecific aggression or a predation attempt. This specimen has several taxa associated: ammonite aptychi and two ophiuroids ( Sinosura brodiei ) and a articulated echinoid ( Diademopsis ...
This one takes place in the Posidonia Shale in Early Jurassic Austria, 180 million years ago. In it, a group of Stenopterygius must swim to their breeding grounds in shallow water while evading a pod of hungry Temnodontosaurus.
Hace 5 días · A Fossil-Lagerstätte ( German: [ˈlaːɡɐˌʃtɛtə], from Lager 'storage, lair' Stätte 'place'; plural Lagerstätten) is a sedimentary deposit that exhibits extraordinary fossils with exceptional preservation—sometimes including preserved soft tissues.
5 de may. de 2024 · Increased incidence of live births in implanted day 5 versus day 6 blastocysts following single embryo transfers with PGT-A. Chien-Hong Chen. , Chun-I Lee. & Maw-Sheng Lee. Article. 05 July 2023 ...
6 de may. de 2024 · Stenopterygius quadriscissus Germany Middle Jurassic, 183 - 176 million years ago Stenopterygius was an icthyosaur, a fish-like marine reptile. Ichthyosaurs first appeared in the Triassic and became extinct in the Cretaceous. Photo: Don Hitchcock 2010 Source: Facsimile, display at Australian Museum, Sydney
