Stenopterygius - Simple English Wikipedia, the free.

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Genus Stenopterygius Jaekel, 1904 Type species - Stenopterygius quadriscissus (Quenstedt, 1856) Stenopterygius sp. Material - MSTC 316467a and MSTC 316467b slabs. Description - The cranial remains contained in the slab MSTC 316467a (Fig. 1) comprise both premaxillae, the left maxilla, the left dentary and a portion of the right.

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The Early Jurassic Toarcian Oceanic Anoxic Event is considered one of the most dramatic environmental perturbations of the Mesozoic. An elevated extinction rate among marine invertebrates accompanied rapid environmental changes, but effects on large vertebrates are less understood. We examined changes in ichthyosaur body size in the Posidonia Shale of the Southwest German Basin spanning the.

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Malawania. Malawania is an extinct genus of basal thunnosaur ichthyosaur known from the middle Early Cretaceous (Hauterivian or Barremian stage) of Iraq. Malawania was first named by Valentin Fischer, Robert M. Appleby, Darren Naish, Jeff Liston, Riding, J. B., Brindley, S. and Pascal Godefroit in 2013 and the type species is Malawania anachronus. (1).

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Ichthyosaurs represent one of the most highly specialized lineages of marine reptiles, but our understanding of the evolution of this group is based on specimens found at a surpri.

Skeletal microstructure of Stenopterygius quadriscissus (Reptilia, Ichthyosauria) from the Posidonienschiefer (Posidonia Shale, Lower Jurassic) of Germany.

Founded in 1914, the Royal Ontario Museum showcases art, culture and nature from around the world and across the ages. Among the top 10 cultural institutions in North America, Canada’s largest and most comprehensive museum is home to a world-class collection of 13 million artworks, cultural.

From the hydromechanical point of view fish swimming is a very complicated unsteady phenomenon. A description of the diversity of fish locomotion and a classification of swimming modes, categories, and styles can be found in Blake. Moreover, recent interest in robot fish requires answering questions about optimal shape and the power necessary.