| Livoniana Temporal range: Devonian
| |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Clade: | Tetrapodomorpha |
| Clade: | Eotetrapodiformes |
| Clade: | Elpistostegalia |
| Genus: | †Livoniana |
| Species: | †L. multidentata
|
| Binomial name | |
| †Livoniana multidentata Ahlberg et al., 2000
| |
Livoniana is a genus of prehistoric tetrapodomorphs which lived during the Devonian period (Givetian - Frasnian stages, about 374 - 391 million years ago).[1]
This species is a transitional form between fish and the earliest tetrapods, like Tiktaalik, Ichthyostega and Acanthostega. Before Livoniana there was Elginerpeton and Obruchevichthys.
Four legs developed in water, not on land, to better escape waterliving predatory creatures like Hyneria. There were very lush forests, and particularly swamps, where four limbs became very useful to avoid predators.[2]
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Transcription
References
- ^ Ahlberg, P. E.; Luksevics, E.; Mark-Kurik, E. (2000). "A near-tetrapod from the Baltic Middle Devonian". Paleontology. 43 (3): 533–548. doi:10.1111/j.0031-0239.2000.00138.x.
- ^ "BBC - Science & Nature - Horizon - the Missing Link".
External links
- Livoniana multidentata at Devonian Times
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This page was last edited on 28 March 2024, at 16:25