Mesosaur | definition of mesosaur by Medical dictionary
Also found in: Dictionary
mesosaur one of a group of Anapsid reptiles (order Mesosauria) from the Lower Permian which were fish-eating and looked superficially like crocodiles.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive
Pineiro and colleagues Jorge Ferigolo, Melitta Meneghel and Michel Laurin recently discovered the exceptionally well-preserved mesosaur
embryos at sites in Uruguay and Brazil.
The fossa meckelii cannot be seen in Nyctiphruretus but mesosaurs
(estimated from Modesto 2006 fig.
He is of a generation sufficiently divorced from the old pulps that he's the dolphin among mesosaurs