different between meiofaunal vs meiofauna

English

meio- +? faunal

meiofaunal (comparative more meiofaunal, superlative most meiofaunal)

meiofauna (plural meiofaunas)

(ecology) A type of interstitial fauna, such as psammon, found in rock fissures, between the grains of loose sediments, on algae, etc. It is a part of the microfauna.

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