Secodontosaurus BW
![Image of Sphenacodontidae](https://beta-repo.eol.org/data/media/db/e4/6e/509.684e01c78500adff746e616c930c900e.580x360.jpg)
Description:
Summary[edit] Description: Secodontosaurus obtusidens, a pelycosaur from the Early Permian of North America, pencil drawing. Date: 22 July 2007. Source: Own work. Author: Nobu Tamura (http://spinops.blogspot.com). Permission(Reusing this file): All illustrations on this site are copyrighted to Nobu Tamura. The low resolution versions of the images are licensed under Creative Commons Attribution-ShareAlike (CC BY-SA) license meaning that you are free to use them as long as you properly credit the author (© N. Tamura). High resolution versions are available upon request..
Included On The Following Pages:
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (animals)
- Bilateria
- Deuterostomia (deuterostomes)
- Chordata (Chordates)
- Vertebrata (vertebrates)
- Gnathostomata (jawed fish)
- Osteichthyes (bony fish)
- Sarcopterygii (Lobe-finned fishes)
- Tetrapoda (terrestrial vertebrates)
- Amniota (amniote)
- Synapsida (synapsids)
- Sphenacodontidae
- Biota
- Unikonta (unikont)
- Holozoa
- Filozoa
- Apoikozoa
- Eumetazoa
- Olfactores
- Craniata (Craniforma)
- Dipnotetrapodomorpha
- Tetrapodomorpha
- Reptiliomorpha
- Eupelycosauria
- Sphenacodontia
- Secodontosaurus
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Source Information
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- cc-by-sa-3.0
- copyright
- Nobu Tamura (http://spinops.blogspot.com)
- original
- original media file
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