5a.
– Colonies with hollow, cross-chambered central core
Suborder Holaxonia..…….......................... .6
hollow axis of Leptogorgia virgulata, showing
cross-chambered core
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5b. – Colonies
with solid core (not cross-chambered)
Suborder Calcaxonia
Family Ellisellidae
Ctenocella (Ellisella) barbadensis
(Duchassaing & Michelotti, 1864)

top: calicified, solid axis of Ctenocella
(Ellisella) barbadensis
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