Elpistostegalia
Elpistostegalia, also known as Panderichthyida, is a type of prehistoric fish which lived about 385 to 374 million years ago.[2]
| Elpistostegalia | |
|---|---|
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| Panderichthys | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Eotetrapodiformes |
| Clade: | Elpistostegalia Camp & Allison, 1961 |
| Type genus | |
| Elpistostege Westoll, 1938
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| Subgroups[1] | |
| Synonyms | |
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Why they evolved
A rise in the world's oxygen content caused predatory fish to evolve,[3] and this fish was the most successful.[4]
What they evolved from
Below is a description of their evolutionary family tree.[1]
| Eotetrapodiformes |
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Elpistostegalia Media
Ventastega life restoration white background
Restoration of Acanthostega gunnari
References
- ↑ 1.0 1.1 Swartz, B.. A marine stem-tetrapod from the Devonian of Western North America. PLOS ONE 7 (3) (2012). p. e33683. doi:10.1371/journal.pone.0033683.
- ↑ Elpistostegidae on the Taxonomicon
- ↑ Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish. Proc. Natl. Acad. Sci. U.S.A. 107 (42) (October 2010). p. 17911–5. doi:10.1073/pnas.1011287107.
- ↑ Lewis Jr., William M.. Morphological Adaptations of Cyprinodontoids for Inhabiting Oxygen Deficient Waters. Copeia 2 (2) (1 June 1970). p. 319–326. doi:10.2307/1441653.