Trophon plicatus ( Lightfoot, 1786 )

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 plicatus ( Lightfoot, 1786)

Fig. 4G

Murex plicatus Lightfoot, 1786: 104

Trophon plicatus — Pastorino, 2005a: 60, figs. 22–42 (synonymy, protoconch and radula)

Examined material. 2 sh. (MACN-In 40688).

Description. Shell height to 8.6 mm (up to 50 mm according to Pastorino 2005a); fusiform, solid. Protoconch of 1.75 slightly convex whorls. Teleoconch of up to 2.5 whorls, markedly convex in outline, with a slightly concave shoulder; last whorl comprising about 75% of total shell height. Suture impressed. Surface white; sculptured with 10 strong, high lamellae per whorl. Aperture ovate, interior white; columellar callus thick; siphonal canal long, somewhat oblique, moderately wide.

Remarks. The material studied here corresponds to young specimens. For a description of adults see Pastorino (2005a).

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.