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LIST OF THE RICHARDS SPUR (FORT SILL) TETRAPOD PALEOFAUNA Stratigraphic chart of the lower Permian (partial) Content updated January 23, 2006
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RICHARDS SPUR LLISTROFUS PRICEI Microsauria-Hapsidopareiontidae
Carroll (1980) described Llistrofus pricei on the basis of a single partial skeleton from Richards Spur. Llistrofus vertebrae are almost indistinguishable from the ones of Hapsidopareion, and are quite different from the ones of the other Richards Spur lepospondyls or amniotes. Contrary to their vertebrae, hapsidopareiontid vertebrae have paired arches and distinct neurocentral suture, and the base of the pedicle of the arch extends the full length of the centrum. there are no intercentra.
1) Richards Spur Llistrofus pricei: articulated vertebrae in lateral view 2) Richards Spur Llistrofus pricei: same articulated vertebrae in dorsal view |