As with all members
of Bryozoan Class Gymnolaemata, Order Ctenostomata, the individual zooecia
are not calcified and the zooecia
are united into a fleshy, leathery, or gelatinous mass or connected by
are closed by a constriction. Alcyonidium
pedunculatum has zooecia
in an erect, stalked (photo),
sheetlike leathery or
hard gelatinous mass. The colony has no spines.
pale pink. Up to 30 cm tall.
Common name(s): Smooth leather bryozoan
about 10 cm long. Colllected at about 75 m depth in San Juan
|(Photo by: Dave Cowles,
How to Distinguish from
gelatinosum has similar texture but is
corniculata is erect but has many forked spines.
Alaska to (central
BC)--apparently plus the San Juan Islands.
and Hanby, 2005
General Notes and
abundances, unusual behaviors:
This closeup of the colony shows the zooids
feeding with their lophophores.
View of another individual, showing the lobed edges of the colony.
The colony grows from a distinct stalk.
Authors and Editors of Page:
Dave Cowles (2008): Created original page
CSS coding for page developed by Jonathan Cowles (2007)