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  • Aphaneramma Stereospondyl Skull

    Aphaneramma Stereospondyl first appeared during the Late Permian. During this time, the two major groups of stereospondyls, capitosaurians and trematosaurians, appeared. Aphaneramma Stereospondyls were relatively uncommon in the Paleozoic, outnumbered…

    $119.00
  • Cosgriffius Skull Replica

    Cosgriffius is an extinct genus of trematosaurian temnospondyl within the family Trematosauridae. It was described by Samuel P. Welles based on a single partial skull from the well-known Meteor Crater…

    $70.00