Amphibia

Namanya berarti "kehidupan ganda " dalam bahasa Yunani, amphibia menghabiskan sebagian hidupnya di air; sebagian bahkan sepenuhnya akuatis.
Pohon evolusi amphibia terbagi atas dua dahan
DAhan pertama memuat dua cabang
Cabang pertama memuat dua ranting
Ranting pertama memuat dua pucuk
Pucuk Amphibia modern
Pucuk Lysorophia
Ranting kedua memuat Microsauria
Cabang kedua memuat Nectridea
Dahan kedua memuat dua cabang
Cabang Aistopoda
Cabang Adelogyrinidae

Bibliography

1. Forsyth Institute (2007, March 1). Regenerative Medicine Advance: Frog Tadpole Artificially Induced To Re-grow Its Tail. ScienceDaily. Retrieved January 10, 2009, from http://www.sciencedaily.com­ /releases/2007/02/070228123336.htm

2. U.S. Geological Survey (1998, October 23). USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs. ScienceDaily. Retrieved January 10, 2009, from http://www.sciencedaily.com­ /releases/1998/10/981023071955.htm

3. University Of Arizona (2002, April 4). Hummingbird Kidneys Are Extraordinary - But Have Their Limits, University Of Arizona Ecologist Says. ScienceDaily. Retrieved January 10, 2009, from http://www.sciencedaily.com­ /releases/2002/04/020402075641.htm

Sumber gambar : http://www.discoverlife.org/nh/tx/Vertebrata/Amphibia/