Xyrospondylus
Sign in to saveXyrospondylus is an extinct genus of non-mammalian synapsids belonging to the Edaphosauridae. The type species, X. ecordi, was named in 1982; it was originally named as a species of Edaphosaurus in 1957.
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- Parent taxon
- Pelycosaur
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- Xyrospondylus neural spine.jpg
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Xyrospondylus is an extinct genus of non-mammalian synapsids belonging to the Edaphosauridae. The type species, X. ecordi, was named in 1982; it was originally named as a species of Edaphosaurus in 1957.
It lived during the Pennsylvanian (Missourian) in Kansas and possibly also Colorado and the holotype is known from a single cervical vertebra found in the Stanton Formation. A second specimen, consisting of a fragmentary pelvis, is also known. A third specimen, known from Colorado, is known, but it probably does not pertain to Xyrospondylus.
Excerpted from Wikipedia’s “Xyrospondylus” article, available under the CC BY-SA 4.0 licence.