Ceractinomorpha

Ceractinomorpha

[sə¦rak·tə·nə′mȯr·fə]
(invertebrate zoology)
A subclass of sponges belonging to the class Demospongiae.
References in periodicals archive ?
Pfeifferae INV-POR 0570 (Carter, 1873) * Subclase Ceractinomorpha Order Poecilosclerida Suborder Microcionina Family Microcionidae Subfamily Microcioninae Clathria (Microciona) echinata Zea.
Other species with various levels of distance from the in-group were chosen: these include representatives of other demosponge subclasses - one Ceractinomorpha species (Halichondria panicea) and two Tetractinellida species (Cinachyrella sp.
This is because the mode of embryonic development is a major criterion for distinguishing between the two subclasses Tetractinomorpha and Ceractinomorpha.