Lyonsiella pacifica Dall, 1908 : p. 428

Raines, Bret & Huber, Markus, 2012, 3217, Zootaxa 3217, pp. 1-106 : 95-96

Lyonsiella pacifica Dall, 1908: p. 428 .

Lyonsiella pacifica Dall, 1908 — Knudsen, 1970: pl. 15, figs. 3–4.

Type Material. Holotype: USNM 110583.

Type Locality. Dredged off Salas y Gómez Island, 26°30’S, 105°45’W, by the U.S. S. Albatross in 1904, at Station 4693, in gravel at 2089 m .

Original description. “Shell small, plump, white, subquadrate, microscopically radiately closely granulately striate, covered more or less densely with adherent sand grains and foraminifera; beaks large for the size of the shell, high, prosogyrate with a small cordate impressed area in front of them; anterior end very short, small, posterior longer, wider, rounded; base arcuate, prominent in the middle; no external ligament; surface closely covered with radial rows of extremely minute granules. Lon. 3; alt. 2.7; diam. 1.8 mm.” ( Dall 1908: 428.)

Remarks. The species was described from a single specimen, with the holotype ( Figs. 49 A–D) being first illustrated in Knudsen (1970). As far as is known, this species has not been recorded since (e.g. Poutiers & R.F. Bernard 1995). There is nothing similar known from the Hawaiian Islands or New Zealand. Lyonsiella pacifica is treated as an endemic species.

Distribution. At present Lyonsiella pacifica is only known from the type locality, off Salas y Gómez Island—

E1.