Six new species of Asterodiscides A. M. Clark (Echinodermata, Asteroidea), with a discussion of the origin and distribution of the Asterodiscididae and other 'amphi-Pacific' echinoderms

Six new species are described in the genus Asterodiscides A. M. Clark : three from Madagascar and three from the tropical coasts of Australia. Sixteen nominal species are now included in the genus. Two major groups of species can be separated on the basis of possession of three or four superomargina... View More