n.large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America
Pelycosaur
Pelycosaur
Pelycosaur
Comparison of body mass estimation techniques, using Recent reptiles and the pelycosaur Edaphosaurus boanerges
A second varanopseid skull from the Upper Permian of South Africa: implications for Late Permian ‘pelycosaur’ evolution
A mixed-age classed 'pelycosaur' aggregation from South Africa: earliest evidence of parental care in amniotes?
The last "pelycosaur": a varanopid synapsid from the Pristerognathus Assemblage Zone, Middle Permian of South Africa
Hurlburt, G. R. 1999. Comparison of body mass estimation techniques, using recent reptiles and the pelycosaur Edaphosaurus boanerges...
On a New Pelycosaur from the Lower Permian of Oklahoma, and on the Origin of the Family Caseidae
Reinterpretation of Vertebral Structure in the Early Permian Pelycosaur Varanosaurus acutirostris (Amniota, Synapsida)
