Ostodolepidae: Difference between revisions
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{{Short description|Extinct family of tetrapods}} |
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{{For|the group of [[Devonian]] stem-tetrapods|Osteolepididae}} |
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| fossil_range = {{Fossil range|Early Permian}} |
| fossil_range = {{Fossil range|Early Permian}} |
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'''Ostodolepidae''', also spelled '''Ostodolepididae''', is an extinct [[family (biology)|family]] of [[Early Permian]] [[microsaur]]s. |
'''Ostodolepidae''', also spelled '''Ostodolepididae''', is an extinct [[family (biology)|family]] of [[Early Permian]] tetrapods. Initially they were considered [[microsaur]]s, but later were assigned to the group [[Recumbirostra]].<ref>{{cite journal|author=A. K. Huttenlocker, J. D. Pardo, B. J. Small and J. S. Anderson|date=2013|title=Cranial morphology of recumbirostrans (Lepospondyli) from the Permian of Kansas and Nebraska, and early morphological evolution inferred by micro-computed tomography|journal=Journal of Vertebrate Paleontology|volume=33|pages=540-552|doi=10.1080/02724634.2013.728998}}</ref> Ostodolepids were relatively large, reaching lengths of up to {{convert|2|ft|cm}}, terrestrial, and presumably [[fossorial]].<ref name=ASR09>{{cite journal |last=Anderson |first=J.S. |author2=Scott, D. |author3= Reisz, R.R. |year=2009 |title=''Nannaroter mckinziei'', a new ostodolepid 'microsaur' (Tetrapoda, Lepospondyli, Recumbirostra) from the Early Permian of Richards Spur (Ft. Sill), Oklahoma |journal=Journal of Vertebrate Paleontology |volume=29 |issue=2 |pages=379–388 |doi=10.1671/039.029.0222|s2cid=130420068 }}</ref> Ostodolepid remains have been found from [[Early Permian]] beds in [[Texas]],<ref>{{Cite book|title=The Order Microsauria|last1=Carroll|first1=Robert L.|last2=Gaskill|first2=Pamela|date=1978|publisher=American Philosophical Society|pages=1–126|oclc=654168566}}</ref> [[Oklahoma]],<ref name="CG78">{{cite journal|last=Carroll|first=R. L.|author2=Gaskill, P.|year=1978|title=The Order Microsauria|url=https://books.google.com/books?id=mjcyaQw78X4C|journal=Memoirs of the American Philosophical Society|volume=126|pages=1–211|isbn=9780871691262}}</ref> and [[Germany]].<ref name="Hetal11">{{cite journal|last=Henrici|first=A.C.|author2=Martens, T.|author3=Berman, D.S.|author4=Sumida, S.S.|year=2011|title=An ostodolepid 'microsaur' (Lepospondyli) from the Lower Permian Tambach Formation of central Germany|journal=Journal of Vertebrate Paleontology|volume=31|issue=5|pages=997–1004|doi=10.1080/02724634.2011.596601|s2cid=129710688}}</ref> |
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Ostodolepids have elongated trunks, with small, robust limbs and shortened tails. The [[occiput]] is high, but the skull narrows toward the snout. The snout is pointed and projects past the jaw. In dorsal view, the skull is roughly triangular. The ventral temporal margin is emarginated. At the back of the skull, there is a large cavity between the [[supraoccipital]] and the [[skull roof]]. The skull is well ossified, with tight sutures between bones. The skull roof is relatively smooth, although scattered pits and grooves are usually present. There are 32 to 45 presacral vertebrae, and three [[sacrum|sacral]] vertebrae.<ref name=CG78/> |
Ostodolepids have elongated trunks, with small, robust limbs and shortened tails. The [[occiput]] is high, but the skull narrows toward the snout. The snout is pointed and projects past the jaw. In dorsal view, the skull is roughly triangular. The ventral temporal margin is emarginated. At the back of the skull, there is a large cavity between the [[supraoccipital]] and the [[skull roof]]. The skull is well ossified, with tight sutures between bones. The skull roof is relatively smooth, although scattered pits and grooves are usually present. There are 32 to 45 presacral vertebrae, and three [[sacrum|sacral]] vertebrae.<ref name=CG78/> |
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{{portal|Paleontology}} |
{{portal|Paleontology}} |
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{{Microsauria|L.}} |
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[[Category:Ostodolepids| ]] |
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[[Category:Prehistoric tetrapod families]] |
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[[Category:Ostodolepids]] |
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[[Category:Cisuralian first appearances]] |
[[Category:Cisuralian first appearances]] |
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[[Category:Cisuralian extinctions]] |
[[Category:Cisuralian extinctions]] |
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Latest revision as of 21:43, 22 March 2024
| Ostodolepidae Temporal range:
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| Life restoration of Pelodosotis elongatum | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Microsauria |
| Clade: | †Recumbirostra |
| Family: | †Ostodolepidae Romer, 1945 |
| Genera | |
Ostodolepidae, also spelled Ostodolepididae, is an extinct family of Early Permian tetrapods. Initially they were considered microsaurs, but later were assigned to the group Recumbirostra.[1] Ostodolepids were relatively large, reaching lengths of up to 2 feet (61 cm), terrestrial, and presumably fossorial.[2] Ostodolepid remains have been found from Early Permian beds in Texas,[3] Oklahoma,[4] and Germany.[5]
Ostodolepids have elongated trunks, with small, robust limbs and shortened tails. The occiput is high, but the skull narrows toward the snout. The snout is pointed and projects past the jaw. In dorsal view, the skull is roughly triangular. The ventral temporal margin is emarginated. At the back of the skull, there is a large cavity between the supraoccipital and the skull roof. The skull is well ossified, with tight sutures between bones. The skull roof is relatively smooth, although scattered pits and grooves are usually present. There are 32 to 45 presacral vertebrae, and three sacral vertebrae.[4]
References
[edit]- ^ A. K. Huttenlocker, J. D. Pardo, B. J. Small and J. S. Anderson (2013). "Cranial morphology of recumbirostrans (Lepospondyli) from the Permian of Kansas and Nebraska, and early morphological evolution inferred by micro-computed tomography". Journal of Vertebrate Paleontology. 33: 540–552. doi:10.1080/02724634.2013.728998.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Anderson, J.S.; Scott, D.; Reisz, R.R. (2009). "Nannaroter mckinziei, a new ostodolepid 'microsaur' (Tetrapoda, Lepospondyli, Recumbirostra) from the Early Permian of Richards Spur (Ft. Sill), Oklahoma". Journal of Vertebrate Paleontology. 29 (2): 379–388. doi:10.1671/039.029.0222. S2CID 130420068.
- ^ Carroll, Robert L.; Gaskill, Pamela (1978). The Order Microsauria. American Philosophical Society. pp. 1–126. OCLC 654168566.
- ^ a b Carroll, R. L.; Gaskill, P. (1978). "The Order Microsauria". Memoirs of the American Philosophical Society. 126: 1–211. ISBN 9780871691262.
- ^ Henrici, A.C.; Martens, T.; Berman, D.S.; Sumida, S.S. (2011). "An ostodolepid 'microsaur' (Lepospondyli) from the Lower Permian Tambach Formation of central Germany". Journal of Vertebrate Paleontology. 31 (5): 997–1004. doi:10.1080/02724634.2011.596601. S2CID 129710688.
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