Nemaster AH Clark 1909

Nemaster is a monotypic genus of echinoderms belonging to the family Comatulida. The only species is Nemaster grandis.

The species is found in Central America and Australia.

Capillasterinae with brachials beyond the basal ones wedge-shaped and often longer than broad; pinnule combs present as far as P6; comb teeth single, curved, confluent with side of pinnulars closest to the arm; terminal comb tooth discrete; mou