Webster’s Revised Unabridged Dictionary · 1913
Discina
Dis·ci′na (dĭs·sī′nȧ), n. [NL., fr. L. discus disk, Gr. δίσκος.] (Zoöl.) A genus of Branchiopoda, having a disklike shell, attached by one valve, which is perforated by the peduncle.
Webster’s Revised Unabridged Dictionary · 1913
Dis·ci′na (dĭs·sī′nȧ), n. [NL., fr. L. discus disk, Gr. δίσκος.] (Zoöl.) A genus of Branchiopoda, having a disklike shell, attached by one valve, which is perforated by the peduncle.