Invertebrate Phyla ID Game!
No clear symmetry No tissues
Mouth but no anus Tentacles with Stinging cells (Cnidocytes with nematocysts)
Sessile (attached to a surface) No true tissues
Ex. Planaria (free-living), tapeworms and flukes (parasitic)
Ex. Earthworms, leeches
Radial symmetry
Bilateral symmetry Flat bodies Unsegmented Mouth but no anus
Bilaterally symmetric Bristles often present segmented Mouth and anus (complete digestive tract)
Muscular foot and mantle
Ex. Insects, spiders, crustaceans, millipedes etc…
Ex. Snails, slugs, squid, octopus, clams…
Shell usually present No visible segmentation Mouth and anus (complete digestive tract)
Bilateral symmetry Exoskeleton
Jointed appendages Segmented