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Related to Arachnoidea: arachnoid membrane, Arachnida, Crustacea, Myriapoda, pia mater


n. pl.1.(Zool.) Same as Arachnida.
References in periodicals archive ?
1-2 Weeks (n = 24) Categories Used Available Z P Arachnoidea 6.
In the fringes of the bush we found Vriesea arachnoidea, an interesting plant with its long spindly and twisted leaves, which was known from much further south only.