Jujubinus montagui ( Wood, 1828 )

Jujubinus montagui ( Wood, 1828) View in CoL

( Fig. 4G View FIG 1-G View FIG 3 View FIG )

Trochus montagui W. Wood, 1828 View in CoL : pl. 6, fig. 43.

Jujubinus montagui View in CoL – Caprotti 1976: pl. 7, fig. 10. — Graham 1988: 120, fig. 39. — Poppe & Goto 1991: 83, pl. 8, fig. 9. — Landau et al. 2003: 44, pl. 10, fig. 1. — Chirli 2004: 81, pl. 33, figs 9-16. — Pouwer & Wesselingh 2012: 159, figs 27-29.

Jujubinus (Jujubinus) montagui View in CoL – Cavallo & Repetto 1992: 42, fig. 37.

MATERIAL AND DIMENSIONS. — Maximum height 7.0 mm (incomplete), width 7.2 mm. — RGM.1365068 (1), leg. AWJ ; RGM.1365179 (1), leg. AWJ .

SPECIES CHARACTERISATION. — Shell trochiform; protoconch and early teleoconch whorls not preserved; last two whorls weakly convex, separated by moderately deeply impressed suture; sculpture of seven to eight irregular, flattened spiral cords; axial sculpture of fine, close-set axial growth lamellae present only in the interspaces; base flattened bearing seven concentric cords; columella short, oblique, curved, bearing stout columellar fold delimiting siphonal fasciole.

DISTRIBUTION. — Lower Pliocene: central Mediterranean, Italy ( Chirli 2004). — Upper Pliocene: western Mediterranean, Estepona Basin, Spain ( Landau et al. 2003); central Mediterranean, Italy ( Caprotti 1976; Cavallo & Repetto 1992). — Upper Pleistocene: southern North Sea Basin ( Pouwer & Wesselingh 2012). — Present-day: Atlantic, Orkneys south into the western Mediterranean, 5-200 m deep, mainly on gravel bottoms ( Poppe & Goto 1991).