Definition of Ectocarpaceae
: a cosmopolitan family of chiefly epiphytic marine brown algae (order Ectocarpales) that includes algae with a thallus of erect branching filaments arising from a creeping filament or layer or sometimes being compacted into a pseudoparenchymatous thallus — see ectocarpus
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Origin and Etymology of ectocarpaceae
New Latin, from Ectocarpus, type genus + -aceae
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