n.1.(Zool.) The tissue which partially fills the interior of the interseptal chambers of most madreporarian corals. It usually consists of a series of oblique tranverse septa, one above another.
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Phallobase tubular, short, slightly curved near base; endotheca with 1-3 large phallic spines (holotype with a single spine); phallotremal sclerite indistinct (Fig.