leu·con | \ ˈlüˌkän \
plural -s

Definition of leucon 

: a sponge or sponge larva having a complex structure in which the flagellated layer is restricted to numerous small interstitial chambers intercalated between the incurrent and excurrent canals and the paragaster is reduced or lacking — compare ascon, sycon

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Other words from leucon

leuconoid \ˈlükəˌnȯid \ adjective or noun

History and Etymology for leucon

New Latin, from Greek leukon, neuter of leukos white

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