but for a longer period of time than the latter

These plates and spines were fused to the underlying bones

Its wide body

with an estimated age of around 165 million years

Cameroceras 's head likely housed a set of muscular tentacles with primitive suckers or hooks

Tanystropheus longobardicus Silesaurus but for a longer periodDuring 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