Figure 3 in Taxonomy, biogeography and DNA barcodes of Geodia species (Porifera, Demospongiae, Tetractinellida) in the Atlantic boreo-arctic region

Figure 3. External morphology of Geodia atlantica (Stephens, 1915). A, specimen PC222 in situ, Traenadjupet, northern Norway, 66°58′N, 11°7′E, 292 m, specimen is c. 40 cm in diameter (picture: J. Schauer, Polarstern ARK-XXII/1a, 2007). B, specimen observed in situ but not collected, Schiehallion, West Shetlands, 60°20′30″N, 04°05′56″W, 450 m depth, unknown scale (picture supplied by Daniel Jones, SERPENT Project 2006, http://www.serpentproject.com). C, sea urchins (Cidaris cidaris and?Gracilechinus alexandri) on G. atlantica, West Shetlands, 450 m, unknown scale (picture supplied by Daniel Jones, SERPENT Project 2006). D, three specimens just after being dredged off Newfoundland, NEREIDA 0509 exp., field # DR19-1(2) (photo courtesy of NEREIDA Project). E, specimen PC77 from Korsfjord, western Norway. Scale: 1 cm. F, specimen ZMAPOR 21406 from Norway, 319 m. Scale: 4 cm. G, holotype S.R.151-27/364-1914, size is 2.7 ¥ 2 cm. H, uniporal oscules from a specimen collected in the Korsfjord. Scale: 1 cm. I, cribriporal pores (ZMBN 77927, Korsfjord). Scale: 5 mm.