mastodonsaurus definition

  • noun:
    • a big extinct genus of labyrinthodonts, based in the European Triassic stones.
    • A genus of very large labyrinthodont amphibia having a skull one and another one-fourth meters long, the outer surface which is extremely sculptured, the premaxill√¶ pierced for passage through of two tusks associated with the reduced jaw, in addition to teeth of really complicated construction. The body skeleton is known only partly. It occurs within the Triassic of Europe and India.

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