FIGURE 3. Iophon koltuni. A. Collecting I in Sponge (Porifera) fauna of Frobisher Bay, Baffin Island, Canada with the description of an Iophon rich sponge garden

FIGURE 3. Iophon koltuni. A. Collecting I. koltuni with ROV manipulator arms, scale bar is 6 cm. B. Skeleton showing tangential tylotes at surface (right) scale bar is 100 µm. C. Sponges after collection showing browning on contact with air. D. Acanthostyle. E. Acanthostyle with swollen head and large spines. F. Tylote. G. Acanthostyle head. H. Tylote head. I, J. Bipocilli, K, L. Spurred anisochelae.Published as part of Dinn, Curtis, Edinger, Evan & Leys, Sally P., 2019, Sponge (Porifera) fauna of Frobisher Bay, Baffin Island, Canada with the description of an Iophon rich sponge garden, pp. 301-325 in Zootaxa 4576 (2) on page 308, DOI: 10.11646/zootaxa.4576.2.5, http://zenodo.org/record/262495