Boreoscala juanina
(Odhner, 1922)
Description:
Dimensions range from 5.4 mm - 5.4 mm high and 2.5 mm wide.
Width to height ratio: 0.46:1 ~ 0.46:1
Shell: turrite; rather fragile; minute. Exterior colour milky-white. About 5 whorls, very convex ; protoconch missing in holotype; teleoconch final whorl missing in holotype. Approximately 16 costae on the body whorl. Costae are thin erect, aculeate above, convex on their anterior side, channel-shaped posteriorly, and with traces of transverse striae. Intercostal spaces with fine spiral cords. Aperture circular, lip continuous.
Distribution:
Juan Fernandez Island, Chile
Habitat:
30-40 m
Etymology:
juanina = a Latinised adjectival form meaning "from Juan" or "of Juan.", Specifically, it refers to Juan Fernández Island, the type locality. The suffix -ina in Latin often denotes "belonging to" or "originating from."
Type Material:
Type: Göteborg Naturhistoriska Museum for Boreoscala juanina (Odhner, 1922) - Locality: Masatierra, Juan Fernandez Island, 30-40 meters, crabbed.. [Brown, L. & Neville, B.D., 2015]

Odhner, N. H. (1922). Plate 8. Fig. 10.
Distribution
as listed in source literature
