BIO 385 — Invertebrate Zoology
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BIO 385
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Phylum Page...
Protozoans
Placozoans
Sponges
Animal Origins
Cnidarians
Ctenophores
Flatworms
Lophophorates
Minor Phyla
Ribbon Worms
Annelids
Mollusks
Arthropod Relatives
Arthropods
Nematodes
Echinoderms
Hemichordates
Chordates
Invertebrate Diversity
Phylum Placozoa
(Click on any image for larger version)
Characteristics
Flattened, asymmetric; can change shape
2 cell layers separated by gel-like mesenchyme
Small, <2 mm diameter
Glides (using flagella) over substrates in shallow marine waters
Only 1 described species
Placozoan,
Trichoplax adhaerens
Placozoan,
Trichoplax adhaerens
This page last updated 19 January 2013 by Udo M. Savalli ()
Images and text © Udo M. Savalli. All rights reserved.
