1 min estimated reading2 complete sections9.73 algorithmic grade estimate
Before you read
Use the article and the local dictionary together
The complexity label is calculated from sentence length and syllable estimates; it is guidance, not an assessment of you. Open any highlighted word below for its full local dictionary page.
Sapheosaurus is an extinct genus of Late Jurassic sphenodont. Its skull was longer and narrower than that of Homoeosaurus. It reached a length of 70 cm from snout to tail. Sapheosaurus belongs to the clade Sapheosauridae, that also includes other taxa like Kallimodon. It is believed to be one of two aquatic sphenodont lineages, with Pleurosauridae being the other. ) 216x216px
Species
Sapheosaurus laticeps (also known as Piocormus) differed from Sapheosaurus thiollierei by its smaller size and more vertebrae. S. thiollierei had 22 back and neck vertebrae, while S. laticeps had 26. Also, the two differ in relative limb length. S. laticeps lived in France and Germany.