R. Houart & S. Gori 
Two new Favartia species from Masirah Island 
Table 1. Terminology used to describe the spiral cords and apertural denticles (after Merle, 1999 and 2001) 
Terminology in parenthèses: erratic feature. 
P: 
Primary cord 
s : 
secondary cord 
IP: 
Infrasutural primary cord (primary cord on subsutural ramp) 
adis : 
adapical infrasutural secondary cord (on subsutural ramp) 
abis : 
abapical infrasutural secondary cord (on subsutural ramp) 
PI : 
Shoulder cord 
P2-P6 : 
Primary cords of the convex part of the teleoconch whorl 
sl-s6 : 
secondary cords of the convex part of the teleoconch whorl 
example: si = secondary cord between PI and P2; s2 = secondary cord between P2 and P3, etc. 
ADP : 
adapertural primary cord on the siphonal canal 
MP: 
médian primary cord on the siphonal canal 
ABP : 
abapertural primary cord on the siphonal canal 
ads : 
adapertural secondary cord on the siphonal canal 
ms : 
médian secondary cord on the siphonal canal 
abs : 
abapertural secondary cord on the siphonal canal 
eabs : 
extreme abapertural secondary cord on the siphonal canal 
Example: eabsl = secondary cord between EABP and EABP1 
APERTURE 
ID: 
Infrasutural denticle 
DI to D6: 
Abapical denticles 
Abbreviations 
BMNH: Natural History Muséum, London, U,K. 
IRSNB: Institut royal des Sciences naturelles de 
Belgique, Bruxelles, Belgium. 
MNHN: Muséum national d'Histoire naturelle, Paris, 
France. 
JC: Collection of Jacques Colomb, Marseille, France. 
RH: Collection of Roland Houart. 
SG: Collection of Sando Gori. 
Figure 1 . Terminology of the spiral sculpture 
morphology in Favartia colombi n. sp. 
SYSTEMATICS 
Family MURICIDAE Rafinesque, 1815 
Subfamily MURICOPSINAE Radwin & D'Attilio, 
1971 
Genus Favartia Jousseaume, 1880 
Type species by original désignation: Murex 
breviculus Sowerby, 1834, Recent, Indo-West Pacific. 
Favartia (Favartia) colombi n. sp. 
Figs 1,2-6, 27 
Pygmaepterys yemenensis - Bosch et al. 1995: 120, 
fig. 478. 
Type material. Oman, Masirah Island, Ras Al Ya, 
20°29’42" N, 58°57'029" E, 21 m, on coarse sand, 
holotype IRSNB IG 31676/ MT 2316. 
Paratypes: Oman, Masirah Island, Ras Al Ya, 
20°29’42" N, 58°57'029" E, 21 m, on coarse sand, 1 
MNHN 23206; Sur Masirah, east of Masirah Island, 1 
m, low tide, under stones, 1 BMNH 20100521 ; Oman, 
Masirah Island, Ras Al Ya, 20°39’504" N, 58°52’138" 
E, 21 m, on sand 4 RH, 7 SG; Masirah Island, 2 m, 1 
JC, 1 RH. 
Other material examined. Oman, Masirah Island, 
Ras Al Ya, 20°32’895" N, 58°57’420" E, 13 m, on 
sand (8 SG, 2 RH); Masirah Island (3 JC); Masirah 
Island, 2 m (2 JC); Sur Masirah, east of Masirah, 1 m, 
low tide, under stones (15 JC); North of Muscat, 
Mina al Fahl, 24-30 m, dredged, sand and mud (4 
RH). 
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