Zusammenfassung der Ressource
Invertebrate Zoology
- Porifera
- sponges
- no true tissues
- Ctenophora
- Cnidaria
- medusa/polyp
- Hydrozoa
- colonial
- Cubozoa
- box jellies, sea wasps
- Anthozoa
- "flower animals"
- Myxozoa
- unicellular, "protists"
- Acoela
- Echinodermata
- Asteroidea
- sea stars
- pedicellariae
- papulae
- "spiny skin"
- Ophiuroidea
- brittle stars and basket stars
- no pedicellariae or papulae
- no visible anus
- Echinoidea
- sea urchins
- pedicellariae
- Holothuroidea
- sea cucumbers
- Crinoidea
- sea lilies, feather stars
- Concentricycloidea
- sea daisies
- Platyhelminthes
- Turbellaria
- flatworms
- Trematoda
- flukes
- Cestoda
- tapeworms
- Rotifera
- mastax
- three classes with different life cycles
- Ectoprocta
- Annelida
- Polychaetes
- parapodia + chaetae
- Oligochaetes
- earthworms
- chaetae but no parapodia
- Hirudinea
- leeches
- Nematoda