R. Houart 
A new Muricopsis from Sâo Tomé 
Fig. 2. Muricopsis (Muricopsis) gorii n. sp. Spiral sculpture and apertural denticle morphology (paratype SG, 9.6 
mm). 
SYSTEMATICS 
Family MURICIDAE Rafinesque, 1815 
Subfamily MURICOPSINAE Radwin & D'Attilio, 
1971 
Genus Muricopsis Bucquoy & Dautzenberg, 1882 
Subgenus Muricopsis Bucquoy & Dautzenberg, 1882 
Type species by original désignation: Murex 
blainvillei Payraudeau, 1826 (= Murex cristatus 
Brocchi, 1814). Recent; Mediterranean. 
Muricopsis (Muricopsis) gorii n. sp. 
Figs 1,2, 3-8 
Type material. Holotype MNHN 24275, 8.6 mm, 1 
paratype PR, 9.6 mm, 1 paratype RH, 9.6 mm, 2 
paratypes SG, 8.5 mm and 9.9 mm, Sâo Tomé, east of 
Sete Pedras, 30 m, collected on small rounded stones. 
Distribution. Currently only known from Sete Pedras, 
Sâo Tomé, in 30 m. 
Description. Shell small for the genus, up to 9.9 mm 
in height at maturity. Height/width ratio 1.9 - 2.1. 
Slender, biconical, weakly spinose, nodose, lightly 
built. Subsutural ramp broad, weakly concave, weakly 
sloping on spire whorls, more strongly sloping on last 
teleoconch whorl. Bright orange, weakly darker 
coloured on subsutural ramp, outer edge of columellar 
lip and apertural denticles lighter coloured or white. 
Figures 3-15 
3-8. Muricopsis (Muricopsis) gorii Houart, n. sp., East of Sete Pedras, Sâo Tomé, on small rounded stones, 30 m 
3-4. Holotype MNHN 24275, 8.6 mm; 5-6. Paratype SG, 9.9 mm; 7-8. Paratype RH, 9.5 mm. 
9-14. Muricopsis (Muricopsis) matildeae Rolân & Fernandes, 1991. 
9-10. Lago Azul, Sâo Tomé, 15 m, SG, 9 mm; 11-14. Ponto de Diego Vaz, Sâo Tomé, 12 m SG 11-12 9 6 mm; 
13-14. 10.4 mm. 
15^ Muricopsis (Muricopsis) testorii Houart & Gori, 2008. Northwest Sâo Tomé, Lagoa Azul, 00°24.4T N, 
06°36.18' E, offshore, 37 m, on dead corals, holotype IRSNB IG.31 042/MT 1977, 18.8 mm. 
38 
