Colobomycter pholeter
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Colobomycter Temporal range: Early Permian, 289 Ma |
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| Skull recontruction of Colobomycter (redrawn after Modesto et Reisz, 2008) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | †Parareptilia |
| Order: | †Procolophonomorpha |
| Family: | †Acleistorhinidae |
| Genus: |
†Colobomycter Vaughn, 1958 |
| Type species | |
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†Colobomycter pholeter Vaughn, 1958 |
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Colobomycter is an extinct genus of small parareptile known from the Early Permian of Oklahoma. The genus was first described from fossil remains in 1958, at which time it was believed to represent a synapsid, specifically, a pelycosaur. However, the discovery of new material and reexamination of the holotype led to its reclassification as a member of the Eureptilia. More recent studies indicate that Colobomycter is properly placed within the amniote clade Parareptilia, closely related to the taxon Acleistorhinus. Together, the two taxa form the Family Acleistorhinidae.
No postcranial material is known for Colobomycter, and the skull material referred to the genus (representing four individuals) has all been recovered from a single locality, the Dolese Brothers Quarry, near Richard's Spur, 11 kilometers north of Fort Sill, Comanche County, Oklahoma, dating to the early Kungurian stage. This site comprises a fissure-fill deposit yielding a unique upland fauna. Other taxa recovered from these strata preserves a wide array of tetrapods, including lepospondyl and temnospondyl amphibians, the anthracosaur Seymouria, microsaurs, captorhinomorphs, protorothyridids, and synapsids.
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