@inbook{Asteroidea:SourceID:6324, abstract = {This is a key to the Echinoderms of South Africa (except the Holothurians). The area is limited to Capricorn (South-east) and to Walvis bay (South-west). After all the surveys done by H.L. Clark (1923) and Mortensen (1933a, of the Asterozoa), only a small number of new taxa have been discovered. The number of species included is ca. 280.}, author = {Clark, A. M. and Courtman-Stock, J.}, title = {The echinoderms of southern Africa}, url = {https://marinespecies.org/Asteroidea/aphia.php?p=sourcedetails&id=6324}, year = {1976} }