REGULARIA
Source: 567
‖Reg′u‐la″ri‐a (rĕg′ū̍‐lā″rĭ‐ȧ), n. pl. [] (Zoöl.) A division of Echini which includes the circular, or regular, sea urchins.
Source: 567
‖Reg′u‐la″ri‐a (rĕg′ū̍‐lā″rĭ‐ȧ), n. pl. [] (Zoöl.) A division of Echini which includes the circular, or regular, sea urchins.