Ophiacodon
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- Ophiacodon from Ohio John J
- Vertebrates from the Cutler Group of Monument Valley and Vicinity Peter Paul Vaughn, 1973, Pp
- The Postcranial Skeleton of the Giant Permian Pelycosaur Cotylorhynchus Romeri
- Microstructural Features of the Femur in Early Ophiacodontids
- Early Permian Vertebrate Assemblage and Its Biostratigraphic Significance, Arroyo Del Agua, Rio Arriba County, New Mexico Spencer G
- DIMETRODON (Di-MEH-Tro-Don) “Two Measures of Teeth”
- The Cranial Anatomy and Relationships of Secodontosaurus, an Unusual Mammal-Like Reptile (Synapsida: Sphenacodontidae) from the Early Permian of Texas
- Early Permian Vertebrates from the Cutler Formation of the Placerville Area Colorado
- The Dimetrodon Dilemma: Reassessing Posture in Sphenacodontians and Related Non-Mammalian Synapsids
- Benton2009chap04.Pdf
- Supporting Online Material R1
- An Early Pangaean Vicariance Model for Synapsid Evolution Leonidas Brikiatis
- Systematics and Evolutionary History of Proterosuchian Archosauriforms
- 72Nd Annual Meeting Society of Vertebrate Paleontology
- Antiquity of Forelimb Ecomorphological Diversity in the Mammalian Stem Lineage (Synapsida)
- Poleo. from This Bone-Bed Or 'Bone-Quarry,' Discovered by Mr
- [I]Ophiacodon [I]Long Bone Histology: the Earliest Occurrence of FLB in The