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'''''Homoeosaurus''''' is an [[extinct]] [[genus]] of [[rhynchocephalian]] [[reptile]], known from the [[Late Jurassic]]-earliest [[Cretaceous]] of Europe, with specimens being reported from France ([[Canjuers Lagerstätte|Canjuers Lagerstatte]]), England ([[Purbeck Group]]) and Germany ([[Solnhofen Limestone]]). Several species have been described within the genus, based on varying proportions of the limb bones to the body length based on the presacral vertebrae. Specimen C.M.6438 of ''H. maximillani'' from Germany has a total length of around {{Convert|17|cm|in}}, with a skull length of about {{Convert|1.7|cm|in}}. In comparison to other rhynchocephalians, the limbs are proportionally long.<ref>Wu X-C. [https://escholarship.mcgill.ca/downloads/kh04dq35p The comparative anatomy and systematics of Mesozoic sphenodontians]. Ph.D. Thesis, McGill University. 1991. p. 84-113.</ref> It is considered a member of Neosphenodontia, with some recent studies including it as part of the clade Leptorhynchia, also including [[Sapheosaur|sapheosaurs]], [[Pleurosaurus|pleurosaurs]], ''[[Kallimodon]]'' and ''[[Vadasaurus]].<ref name=":14">{{Cite journal |last1=DeMar |first1=David G. |last2=Jones |first2=Marc E. H. |last3=Carrano |first3=Matthew T. |date=2022-12-31 |title=A nearly complete skeleton of a new eusphenodontian from the Upper Jurassic Morrison Formation, Wyoming, USA, provides insight into the evolution and diversity of Rhynchocephalia (Reptilia: Lepidosauria) |url=https://www.tandfonline.com/doi/full/10.1080/14772019.2022.2093139 |journal=Journal of Systematic Palaeontology |language=en |volume=20 |issue=1 |pages=1–64 |doi=10.1080/14772019.2022.2093139 |issn=1477-2019 |s2cid=252325953 |hdl-access=free |hdl=2440/136608}}</ref>'' |
'''''Homoeosaurus''''' is an [[extinct]] [[genus]] of [[rhynchocephalian]] [[reptile]], known from the [[Late Jurassic]]-earliest [[Cretaceous]] of Europe, with specimens being reported from France ([[Canjuers Lagerstätte|Canjuers Lagerstatte]]), England ([[Purbeck Group]]) and Germany ([[Solnhofen Limestone]]). Several species have been described within the genus, based on varying proportions of the limb bones to the body length based on the presacral vertebrae. Specimen C.M.6438 of ''H. maximillani'' from Germany has a total length of around {{Convert|17|cm|in}}, with a skull length of about {{Convert|1.7|cm|in}}. In comparison to other rhynchocephalians, the limbs are proportionally long.<ref>Wu X-C. [https://escholarship.mcgill.ca/downloads/kh04dq35p The comparative anatomy and systematics of Mesozoic sphenodontians]. Ph.D. Thesis, McGill University. 1991. p. 84-113.</ref> It is considered a member of Neosphenodontia, with some recent studies including it as part of the clade Leptorhynchia, also including [[Sapheosaur|sapheosaurs]], [[Pleurosaurus|pleurosaurs]], ''[[Kallimodon]]'' and ''[[Vadasaurus]].<ref name=":14">{{Cite journal |last1=DeMar |first1=David G. |last2=Jones |first2=Marc E. H. |last3=Carrano |first3=Matthew T. |date=2022-12-31 |title=A nearly complete skeleton of a new eusphenodontian from the Upper Jurassic Morrison Formation, Wyoming, USA, provides insight into the evolution and diversity of Rhynchocephalia (Reptilia: Lepidosauria) |url=https://www.tandfonline.com/doi/full/10.1080/14772019.2022.2093139 |journal=Journal of Systematic Palaeontology |language=en |volume=20 |issue=1 |pages=1–64 |doi=10.1080/14772019.2022.2093139 |issn=1477-2019 |s2cid=252325953 |hdl-access=free |hdl=2440/136608}}</ref>'' One specimen was found as stomach contents of the fish ''[[Belonostomus]].''<ref>{{Cite journal |last=Frey |first=Eberhard |last2=Tischlinger |first2=Helmut |date=2012-03-07 |editor-last=Fenton |editor-first=Brock |title=The Late Jurassic Pterosaur Rhamphorhynchus, a Frequent Victim of the Ganoid Fish Aspidorhynchus? |url=https://dx.plos.org/10.1371/journal.pone.0031945 |journal=PLoS ONE |language=en |volume=7 |issue=3 |pages=e31945 |doi=10.1371/journal.pone.0031945 |issn=1932-6203 |pmc=PMC3296705 |pmid=22412850}}</ref> |
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==References== |
==References== |
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Revision as of 01:04, 3 December 2023
| Homoeosaurus Temporal range: Late Jurassic - Early Cretaceous
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| Homoeosaurus maximiliani | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Clade: | Neosphenodontia |
| Genus: | †Homoeosaurus von Meyer, 1847 |
| Species | |
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Homoeosaurus is an extinct genus of rhynchocephalian reptile, known from the Late Jurassic-earliest Cretaceous of Europe, with specimens being reported from France (Canjuers Lagerstatte), England (Purbeck Group) and Germany (Solnhofen Limestone). Several species have been described within the genus, based on varying proportions of the limb bones to the body length based on the presacral vertebrae. Specimen C.M.6438 of H. maximillani from Germany has a total length of around 17 centimetres (6.7 in), with a skull length of about 1.7 centimetres (0.67 in). In comparison to other rhynchocephalians, the limbs are proportionally long.[1] It is considered a member of Neosphenodontia, with some recent studies including it as part of the clade Leptorhynchia, also including sapheosaurs, pleurosaurs, Kallimodon and Vadasaurus.[2] One specimen was found as stomach contents of the fish Belonostomus.[3]
References
- ^ Wu X-C. The comparative anatomy and systematics of Mesozoic sphenodontians. Ph.D. Thesis, McGill University. 1991. p. 84-113.
- ^ DeMar, David G.; Jones, Marc E. H.; Carrano, Matthew T. (2022-12-31). "A nearly complete skeleton of a new eusphenodontian from the Upper Jurassic Morrison Formation, Wyoming, USA, provides insight into the evolution and diversity of Rhynchocephalia (Reptilia: Lepidosauria)". Journal of Systematic Palaeontology. 20 (1): 1–64. doi:10.1080/14772019.2022.2093139. hdl:2440/136608. ISSN 1477-2019. S2CID 252325953.
- ^ Frey, Eberhard; Tischlinger, Helmut (2012-03-07). Fenton, Brock (ed.). "The Late Jurassic Pterosaur Rhamphorhynchus, a Frequent Victim of the Ganoid Fish Aspidorhynchus?". PLoS ONE. 7 (3): e31945. doi:10.1371/journal.pone.0031945. ISSN 1932-6203. PMC 3296705. PMID 22412850.
{{cite journal}}: CS1 maint: PMC format (link) CS1 maint: unflagged free DOI (link)
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