Biology:Mesanerpeton
| Mesanerpeton | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Clade: | Tetrapodomorpha |
| Clade: | Stegocephali |
| Genus: | †Mesanerpeton Smithson & Clack, 2017 |
| Type species | |
| †Mesanerpeton woodi Smithson & Clack, 2017
| |
Mesanerpeton is an extinct genus of four-limbed stem-tetrapod from the Mississippian (Tournaisian) of Scotland. It contains a single species, Mesanerpeton woodi,[n 1] who based on a disarticulated specimen including a clavicle, vertebrae, and forelimb bones from the Ballagan Formation. The vertebrae are poorly-ossified and similar to Crassigyrinus, but the forelimb was robust. The shape and level of torsion present in the humerus are intermediate between Devonian stem-tetrapods and later Carboniferous tetrapods. This transitional condition, and the associated rerouting of the brachial artery and median nerve, may indicate that Mesanerpeton had a higher stride length and more efficient locomotion on land compared to its predecessors.[1]
References and notes
- ↑ Smithson, Timothy R.; Clack, Jennifer A. (2017). "A new tetrapod from Romer's Gap reveals an early adaptation for walking" (in en). Earth and Environmental Science Transactions of the Royal Society of Edinburgh 108 (1): 89–97. doi:10.1017/S1755691018000075. ISSN 1755-6910. https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/abs/new-tetrapod-from-romers-gap-reveals-an-early-adaptation-for-walking/80C43A9191A8A8D7866FD0739C20A480.
Wikidata ☰ {{{from}}} entry
Notes
- ↑ which means 'Wood's intermediary crawler' named after its discoverer Stan Wood
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