Spicules: Oxea, typically slightly curved, but varying from straight to fairly abruptly bent in the middle. 140 – 160 x 4.5 – 7µm. Larger oxea (up to 170µm?) are rare. Oxea in the range 95-140 x 1-5.5µm are occasionally found.
Sponges of British Isles – A Colour Guide and Working Document, 2007