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porifera
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Characteristics of Porifera (fan sponges, cup sponges,
tube sponges, and glass sponges)
Tube sponge - seasky.org
Mouth/Anus
Porifera have no mouth and no anus.
Fan sponge - aquariumcreationsonline.net
Symmetry
Porifera have no symmetry.
science.kennesaw.edu
Skeleton
Porifera have internal spicules (skeletal needles).
Pores - carolguze.com
Other external recognition features
Porifera have many pores over the surface through which water is draw in for filter feeding. They have very varied shapes.
Home
Plant Phyla
Bryophyta
Filicinophyta
Coniferophyta
Angiospermophyta
Animal Phyla
Invertebrates
>
Porifera
Cnidaria
Platyhelminthes
Mollusca
Annelida
Arthropoda
Vertebrates - Chordates
>
Ray-finned Fish
Reptiles
Mammals
Amphibians
Birds