diactine


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diactine

(daɪˈæktiːn) or

diact

n
a sponge spicule having two rays that develop in different directions from a single point of origin
adj
(of a sponge spicule) having two rays that develop in different directions from a single point of origin
References in periodicals archive ?
5 [micro]m (n=5); smooth desmas as developmental stages; very long (broken in slide) diactine oxeas, fragments up to 1406 x 12.
3) Riitzler & Smith (1992) reported shorter and lees robust diactine oxeas (2500-4100 x 14-40 [micro]m vs.
The short, new diagnosis provided here differentiates Heterochone (with hexactine atrialia) from Aphrocallistes (with diactine atrialia).