Trophon ohlini Strebel, 1904

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 : 58

Trophon ohlini Strebel, 1904

Fig. 4F

Trophon ohlini Strebel, 1904: 203 , pl. 3, figs. 9a–e; Powell, 1951: 154, fig. L84 (radula)

Examined material. 16 sh. (MACN-In 40689).

Description. Shell height to 19 mm; fusiform, moderately solid. Protoconch strongly keeled, comprising 1.75 whorls; apex flat. Teleoconch with up to 5.5 whorls, markedly convex in outline; last whorl comprising about 75% of total shell height. Suture impressed. Surface white; sculptured with 4 low spiral cords and 11 to 13 low axial ribs per whorl, undulated at their intersections; 4 additional cords appear at base. Aperture ovate, interior white; outer lip somewhat expanded, moderately thick; columellar callus thick; siphonal canal long, somewhat oblique, moderately narrow.

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.