Its jaws were equipped with multiple rows of constantly renewing teeth

retains a relatively primitive structure

These plates and spines were fused to the underlying bones

adapted to withstand high mechanical forces during biting

Tanystropheus longobardicus Silesaurus Its jaws were equipped withDuring the Middle Triassic, the coastal ecosystems of the supercontinent Pangaea hosted a diverse and, in many cases, morphologically unusual reptilian fauna. Prominent among these forms is Tanystropheus longobardicus , a basal archosauromorph whose unique anatomy has been the subject of extensive paleobiological and functional debate. This reptile is mainly characterized by an extremely elongated neck composed of disproportionately long cervical