One of the mysteries of the English language finally explained.
Of, relating to, or designating hexactinellid sponges of the suborder Dictyonina, which have a siliceous skeleton formed from fused spicules. Formerly also: = dictyonal.
A dictyonine sponge.
Late 19th century. From ancient Greek δίκτυον net + -ine, after scientific Latin Dictyonina, suborder name.
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