Figure 16. Diplomma serpentina (Stimpson, 1855). A, photograph of narcotized specimen taken in life; B, photograph of the same specimen as (A) before anaesthetization, showing natural shape of head; C, horizontal section through head, showing arrangement of outer portion of body-wall longitudinal musculature and its derivatives; D, horizontal section through head, showing arrangement of inner portion of body-wall longitudinal musculature contributing to proboscis insertion; E, sagittal section through head, showing cephalic retractor muscle fibre derived from inner portion of divided body-wall longitudinal muscle layer. A, B, E, UPLB-NHM 0489; C, D, ZIHU-1354. Abbreviations: AG, acidophilic cephalic gland; BG, basophilic cephalic gland; BR, brain; CO, cerebral organ; CR, cephalic retractor muscle; IL, inner portion of body-wall longitudinal musculature; OL, outer portion of body-wall longitudinal musculature; PI, proboscis insertion; PR, proboscis. Scale bars: A = 3 mm; C, D = 100 Mm; E = 50 Mm.

Published as part of Kajihara, Hiroshi, Olympia, Minerva, Kobayashi, Norio, Katoh, Toru, Chen, Hai-Xia, Strand, Malin & Sundberg, Per, 2011, Systematics and phylogeny of the hoplonemertean genus Diplomma (Nemertea) based on molecular and morphological evidence, pp. 695-722 in Zoological Journal of the Linnean Society 161 (4) on page 708, DOI: 10.1111/j.1096-3642.2010.00650.x, http://zenodo.org/record/5756515