MADREPORITE
\mˈadɹɪpˌɔːɹa͡ɪt], \mˈadɹɪpˌɔːɹaɪt], \m_ˈa_d_ɹ_ɪ_p_ˌɔː_ɹ_aɪ_t]\
Sort: Oldest first
By Noah Webster.
-
A flat circular or pentagonal perforated plate marked by grooves, lying at the end of an interambulacral area in many, or free between two ambulacral areas in other Echinoids, or between the rays in the Asteroids; a modified genital plate.
By Henderson, I. F.; Henderson, W. D.