Ectoprocta: Class Stenolaemata

Fossil and recent marine animals that have tubular zooids, calcified walls, and circular orifices. Protrusion of the circular lophophore does not depend on muscular deformation of body walls. They reproduce sexually by embryonic fission (polyembrony).

Sections in this article:

• Introduction
• Class Gymnolaemata
• Class Stenolaemata
• Class Phylactolaemata

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2024, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Zoology: Invertebrates