Summary: | Figure 12. Grimpoteuthis challengeri sp. nov: internal anatomy. Ventral view of the viscera in situ (A); detail of the digestive system (B); optic nerve and white body (C) lower and upper beaks (D); dorsal, ventral and lateral view of shell (E: all BMNH 20030376). Scale bars = 15 mm (A); 20 mm (B,E); 10 mm (C,D). Published as part of Collins, Martin A., 2003, The genus Grimpoteuthis (Octopoda: Grimpoteuthidae) in the north-east Atlantic, with descriptions of three new species, pp. 93-127 in Zoological Journal of the Linnean Society 139 (1) on page 112, DOI:10.1046/j.1096-3642.2003.00074.x, http://zenodo.org/record/5438036
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