Porifera

Keluarga bunga karang.
Pohon evolusi bunga karang bercabang tiga
* Calcarea
* Hexactinellida
* Demospongiae
Referensi
Penney JT. 1932. A simple method for the study of living fresh-water sponges. Sci. 75:341.
Ruppert EE, Fox RS, Barnes RB. 2004. Invertebrate Zoology, A functional evolutionary approach, 7 th ed. Brooks Cole Thomson, Belmont CA. 963 pp.
Simpson T. 1984. The Cell Biology of Sponges. Springer-Verlag, New York. 585p.
Sumber gambar:
http://commons.wikimedia.org/wiki/File:Porifera_Types-fr.svg
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