Images for Chapter 4

Proterozoic Protists: Acritarchs

• Mesoproterozoic acritarch from China. From the Web page of Shuhai Xiao at Virginia Tech.
• Antiarch from the Doushanto Formation . From the Web page of Shuhai Xiao at Virginia Tech.
• For comparison, Halosphaera, planktonic flagellate stage of green alga.
• For comparison, Cyst stage of Halosphaera

Proterozoic Embryos

• Embryos of algae from the Doushanto Formation . From the Web page of Shuhai Xiao at Virginia Tech.
• Animal embryos from the Doushanto Formation . From the Web page of Shuhai Xiao at Virginia Tech.

How to Build Animals

• Introduction to Metazoans
• Extensive Metazoan Links from Doug Eernisse's course at Fullerton.
• Living invertebrate pictures I have gathered

Sketches

• Choanoflagellate and choanocyte. Equivalent of Figure 4.1.
• Choanoflagellate. Equivalent of Figure 4.2a.
• Choanocytes. Equivalent of Figure 4.2b.
• Sponge structure. Equivalent of Figure 4.3.
• Figure 4.4
• Cnidarian features. Equivalent of Figure 4.5.
• Motion of burrowing worm. Equivalent of Figure 4.6.
• Diffusion into body. Equivalent of Figure 4.7
• Burrowing worm 1. Equivalent of Figure 4.8a.
• Burrowing worm 2. Equivalent of Figure 4.8b.
• Modular construction, e.g. flower petals. Equivalent of Figure 4.9.

Page last updated, November 17, 2004.

All links last checked, October 21, 2004.

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