Phylum Ctenophora
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9 Terms
Major features
Radial symmetry
Mostly diploblastic
8 rows cilia
Colloblasts
Carnivorous/predatory
completely marine
Colloblasts
sticky cells that help capture prey
General anatomy
Complete gut
mouth and anus
ctenes
colloblasts
Ctenes
8 ciliated rows that Ctenophores beat for swimming
Class Tentaculata
Ctenophores with tentacles/colloblast for capturing prey.
Order Cydippida
Order Lobata
Order Cydippida
typically spherical/oval
long tentacles
Swim using only cilia
Order Lobata
Flattened forms with oral lobes for feeding/engulfing prey
Swim using lobes and cilia
Class Nuda
Ctenophores without tentacles
Order Beroida
Class nuda
lack tentacles, capture prey by engulfment
predators of other ctenophores
