Turbonilla strebeli Corgan, 1969

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 : 66

Turbonilla strebeli Corgan, 1969

Fig. 5J

Turbonilla smithi Strebel, 1905b: 659 , pl. 23, figs. 42a–d (non Verrill, 1880)

Turbonilla smithii (sic)— Melvill & Standen, 1912: 127 (non Verrill, 1880)

Turbonilla strebeli Corgan, 1969: 574 (replacement name for Turbonilla smithi Strebel, 1905 non Verrill, 1880)

Examined material. 2 sh. (MACN-In 40705).

Description. Shell height to 3.3 mm (up to 4.4 mm according to Castellanos 1982b); turritelliform, delicate. Protoconch markedly tilt, planispiral, of 1.25 markedly convex whorls. Teleoconch of up to 4.5 whorls, slightly convex in outline; last whorl comprising about 45% of total shell height. Suture deep, impressed. Surface white; sculptured with 20 to 22 strong axial ribs per whorl, which abruptly disappears towards the base and sutures. Aperture ovate, interior white, callus moderately thick.

Figures

FIGURE 5. A. Orbistestella ponderi Linse, 2002, MACN-In 40697, scale bar = 0.25 mm. B. Acteon biplicatus (Strebel, 1908), MACN-In 40698, scale bar = 1 mm. C. Neactaeonina argentina Zelaya, Schejter & Ituarte, 2011, MACN-In 40699, scale bar = 4 mm. D. Mathilda malvinarum (Melvill & Standen, 1907), MACN-In 40700, scale bar = 1 mm. E–F. Omalogyra burdwoodiana Strebel, 1908, MACN-In 40701, scale bar = 0.5 mm. E. Lateral view. F. Apical view. G. Odostomia sp. 1, MACN-In 40702, scale bar = 1 mm. H. Odostomia sp. 2, MACN-In 40703, scale bar = 1 mm. I. Odostomia sp. 3, MACN-In 40704, scale bar = 1 mm. J. Turbonilla strebeli Corgan, 1969, MACN-In 40705, scale bar = 1 mm. K. Diaphana paessleri (Strebel, 1905), MACN-In 40706, scale bar = 1 mm. L. Toledonia cf. elata Thiele, 1912, MACN-In 40708, scale bar = 1 mm. M. Toledonia cf. perplexa Dall, 1902, MACN-In 40707, scale bar = 1 mm. N. Toledonia sp., MACN-In 40709, scale bar = 1 mm.