2a.
– Colony arborescent and sometimes fan-like, with projecting
calyces. Cortex containing radiates and spindles in outer region and
spindles in inner region
Diodogorgia
nodulifera (Hargitt, in Hargitt
& Rogers, 1901)
 
Diodogorgia nodulifera. top left
and right: colony shape; bottom: cortical
and medular sclerites
|
2b. – Colony
rod-like with limited branching near base, some younger colonies
not branched. Calyces mostly flush with body wall. Cortex
containing only radiates
Titanideum
frauenfeldii (Kölliker,
1865)
 
Titanideum frauenfeldii. top:
branching colony morphology; bottom: cortical and
medular sclerites
|