1. Large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America

Derived forms: pelycosaurs

Type of: synapsid, synapsid reptile

Part of: order Pelycosauria, Pelycosauria

Encyclopedia: Pelycosaur

• Crocethia
• Crocethia alba
• crochet
• crochet hook
• crochet needle
• crochet stitch
• crocheting
• crocidolite
• crock
• Crock Pot
• crock up
• crocked
• crockery
• crocket
• crocketed
• Crockett
• crocodile
• crocodile bird
• crocodile clip
• Crocodile River
• samiel
• samisen
• samite
• samizdat
• Samnite