Buccinidae, Rafinesque, 1815

Luca, Javier Di & Zelaya, Diego G., 2019, Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity, Zootaxa 4544 (1), pp. 41-78 : 57

Buccinidae sp.

Fig. 4D

Examined material. 4 an. and 12 sh. (MACN-In 40686).

Description. Shell height to 4.6 mm; fusiform, solid. Protoconch large, smooth, of 2.25 markedly convex whorls. Teleoconch of up to 3.75 whorls, slightly convex in outline; last whorl comprising about 60% of total shell height. Suture impressed. Surface white; sculptured with 12 to 14 strong axial ribs and 3 or 4 wide spiral cords per whorl, which produce large beads at their intersections. Axial sculpture vanishing at the base, which is delimited by a smooth cord, and sculptured with 7 to 9 additional cords. Aperture ovate, interior white; columellar callus thick; siphonal canal short, slightly oblique, wide. Operculum ovate, with subterminal nucleus; pale brown, translucent.

Figures

FIGURE 4: A. Proneptunea (?) minuta Castellanos, 1992, MACN-In 40694, scale bar = 1 mm. B. “Savatieria” meridionalis (Smith, 1881), MACN-In 40685, scale bar = 1 mm. C. “Savatieria” chordata Castellanos, Rolán & Bartolotta, 1987, MACN-In 40687, scale bar = 1 mm. D. Buccinidae sp., MACN-In 40686, scale bar = 1 mm. E. Fuegotrophon pallidus (Broderip, 1832), MACN-In 40690, scale bar = 5 mm. F. Trophon ohlini Strebel, 1904, MACN-In 40689, scale bar = 5 mm. G. Trophon plicatus (Lightfoot, 1786), MACN-In 40688, scale bar = 2 mm. H. Paradmete crymochara (Rochebrune & Mabille, 1885), MACN-In 40691, scale bar = 5 mm. I. Mangelia michaelseni (Strebel, 1905), MACN-In 40693, scale bar = 1 mm. J. Leucosyrinx angusteplicata (Strebel, 1905), MACN-In 40692, scale bar = 4 mm. K. Thesbia michaelseni (Strebel, 1905), MACN-In 40695, scale bar = 1 mm. L. Admete magellanica (Strebel, 1905), MACN-In 40696, scale bar = 3 mm.