Monofenestrata
| Monofenestrata |
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|---|---|
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| Specimen of Darwinopterus modularis | |
Scientific classification  |
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Order: | †Pterosauria |
| Clade: | †Pterodactylomorpha |
| Clade: | †Monofenestrata Lü et al., 2010 |
| Subgroups | |
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The Monofenestrata are an unranked group of pterosaurs that includes the family Wukongopteridae and the suborder Pterodactyloidea.[1]
The clade Monofenestrata was in 2009/2010 defined as the group consisting of Pterodactylus and all species sharing with Pterodactylus the synapomorphy, shared derived trait, of an external nostril confluent with the antorbital fenestra, the major skull opening on the side of the snout. The name is derived from Greek monos, "single", and Latin fenestra, "window". The concept was inspired by the discovery of Darwinopterus, a species combining a pterodactyloid-type skull with a more basal build of the remainder of the body.[1]
The earliest known monofenestrate fossils have been found in the Stonesfield Slate formation of the United Kingdom, which dates to the Bathonian stage of the Middle Jurassic, dated to about 166 million years ago.[2]
References
- ↑ 1.0 1.1 Lü, J., Unwin, D.M., Jin, X., Liu, Y. and Ji, Q. (2010). "Evidence for modular evolution in a long-tailed pterosaur with a pterodactyloid skull." Proceedings of the Royal Society B, 277(1680): 383-389. doi:10.1098/rspb.2009.1603 PMID 19828548
- ↑ Buffetaut, E. and Jeffrey, P. (2012). "A ctenochasmatid pterosaur from the Stonesfield Slate (Bathonian, Middle Jurassic) of Oxfordshire, England." Geological Magazine, (advance online publication) doi:10.1017/S0016756811001154
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