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Noun1.nothosaur - extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming
archosaur, archosaurian, archosaurian reptile - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
genus Nothosaurus - a genus of Nothosauria
References in periodicals archive ?
The nothosaur genus Lariosaurus (including its junior synonym Ceresiosaurus sensu Rieppel 1998a), presents, like the pachypleurosaurs, zygapophyseal pachyostosis, and very low neural spines (Rieppel, 1998a; 2000).
Over the years trackmakers have been associated with areoscelids, nothosaurs, prolacertiforms and neodiapsids.