Philine schrammi, Malaquias & Ohnheiser & Oskars & Willassen, 2017

Malaquias, Manuel António E., Ohnheiser, Lena T., Oskars, Trond R. & Willassen, Endre, 2017, Diversity and systematics of philinid snails (Gastropoda: Cephalaspidea) in West Africa with remarks on the biogeography of the region, Zoological Journal of the Linnean Society (Zool. J. Linn. Soc.) 180 (1), pp. 1-35 : 21

PHILINE SCHRAMMI SP. NOV.

( FIGS 9A–L , 10A–E )

Diagnosis: Shell internal, smooth, whitish translucid, oval; aperture wide. Body whitish. Rachidian tooth absent, one rounded inner lateral tooth with developed, sharp denticulation along inner edge. Gizzard not surrounded by muscle fibre; with two paired and one smaller unpaired spindle-shaped plates; all with wide deep holes. Long, thin, convoluted, prostate emerging from sack-like penial sheath which is tapering towards genital aperture, with blind caecum, separate ejaculatory duct, thin hammer shaped penial papilla with two long, slim pointed lobes, of similar length.

ZooBank registration: urn:lsid:zoobank.org:act:EE4EA80B-842B-40CE-AF98-1E253EDD16D5

Figures

Figure 9. Philine schrammi sp. nov. (ZMBN 92413, H = 7.3 mm, holotype). A, dorsal view of complete animal. B, ventral view of complete animal. C, right lateral view of complete animal. D, dorsal view of shell (automontage image). E, ventral view of shell (automontage image). F, lateral view of gizzard and buccal mass (automontage image). G, dorsal view of gizzard plates (automontage image). H, ventral view of gizzard plates (automontage image). I, lateral view of gizzard plates (automontage image). J, ventral view of paired gizzard plate (SEM). K, ventral gizzard plate surface, central part (SEM). L, ventral gizzard plate surface, outer part. bm, buccal mass; c, crop; g, gizzard; gp, gizzard plate. Scale bars: A–C = 2 mm; D–H = 1 mm; I = 500 lm; J = 200 lm; K = 10 lm; L = 20 lm.

Figure 10. Philine schrammi sp. nov. (ZMBN 92413, H = 7.3 mm, holotype). A, radula (SEM). B, detail of radula (SEM). C, top view of penial papilla (automonatge image). D, side view of penial papilla (SEM). E, male reproductive system (automontage image). ed, ejaculatory duct; ga, genital aperture; pr, prostate; ps, penial sheath. Scale bars: A, D = 100 lm; B = 20 lm; C = 125 lm; E = 250 lm.