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triaxonid
triaxonid adj.
Brit. 
/(ˌ)trʌɪˈaksənɪd/
, /(ˌ)trʌɪˈaksənɪd/U.S. /ˌtraɪˈæksənᵻd/
= triaxon adj./ˌtraɪˈæksənᵻd/ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > having three axes
triaxial1886
triaxon1886
triaxonian1887
triaxonid1911
1911 Encycl. Brit. XXV. 729/1 Sponges with a skeleton composed of siliceous spicules,..either triaxonid and hexactinellid in form, or derivable from the triaxonid..type.
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as lemmas