Violet Gorgon From Senegal On Turned Wooden Base

Pretty purple gorgon fixed on a blackened turned wooden support from the late 19th century.
Origin from Senegal, return from a trip, 1960s.
Sessile organism, living attached to its substrate in the depths of the Atlantic Ocean.
Total height: 36 cm Gorgon height alone: 30 cm (maximum) Wingspan: 18-20 cm.
Fragile specimen, interesting to observe.
Gorgonians are not marine plants, but belong to a related order of corals.