Sars, 1872, p. 60
F. fragilis Sars, 1872, p. 58, pl. 5, figs. 24-32; Monotypy
Type Specimen: Syntype; B626; Verified; Unknown
Type Locality: Recent; Lofoten, Norway, 548 m
Four syntypes. Type species deposited as Musee de oslo and best described by Zibrowius (1980).
Corallum solitary, cupolate, free; septotheca horizontal, often concave, and thin and fragile; costae usually thin ridges; axial edges of septa irregularly dentate, laterally braced by thin T- or Y-shaped synapticular plates that extend upwards and outwards; five cycles of septa; dissepiments absent; paliform lobes sometimes present; columella feeble.
Several fossil species and six Recent species (Cairns, 1989; Szabo, 2002).
This page has been in preparation since 06-Aug-2008 13:04
This version was contributed by Stephen D. Cairns on 26-May-2017 17:10.
Page authors are: Stephen D. Cairns. Please contact the editor if you would like to contribute to the diagnosis of this taxon.
The editor is: Stephen D. Cairns