Outrageously Funny Word Dictionary :: Haplomitriidae

👉 Haplomitriidae is a family of extinct, non-reptilian, protostomes that lived during the Late Paleozoic era around 150 million years ago. They were characterized by their large, flattened bodies and small, flattened heads with numerous spines or appendages on their sides. Haplomitriids are believed to have been the first marine reptiles and had a complex digestive system adapted for aquatic life.

Haplomitriidae