Microdeuthria michaelseni (Strebel, 1905)

Fig. 3J

Euthria (Pareuthria) michaelseni Strebel, 1905b: 621, pl. 21, figs. 6, 6a–b

Microdeuthria michaelseni — Pastorino, 2016: 337, figs. 27A–O, 28A–G (syntypes, synonymy, protoconch and radula)

Examined material. 7 sh. (MACN-In 40684).

Description. Shell height to 6.8 mm (up to 11 mm according to Pastorino 2016); elongate-fusiform, moderately solid. Protoconch large, of 2.25 slightly convex whorls, the first slightly keeled. Teleoconch of up to 2.75 whorls, almost straight in outline; last whorl comprising about 70% of total shell height. Suture impressed. Surface brownish, with a paler band at the middle of the last whorl and at the suture of the spire whorls; sculptured with 7 to 10 fine spiral grooves on the spire whorls and about 40 on the last whorl. Aperture ovate; columellar callus narrow; siphonal canal short, somewhat oblique, wide.