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: turrited; rather fragile; minute. Exterior colour milky-white. About 5 whorls, very convex ; protoconch missing in holotype; teleoconch with final whorl missing in holotype. Umbilicate: rimate. Approximately 16 costae on the body whorl. Costae are thin, erect. Costae coronate at the shoulder; reflected. Intercostal spaces with fine spiral cords which continue on to the costae. Aperture circular, lip continuous.
Distribution:
Juan Fernandez Island, Chile [Odhner, 1922:224].
Habitat:
30-40 m, sand and coral [Odhner, 1922:224].
Etymology:
from juanina = a latinised adjectival form meaning "from Juan" or "of Juan.", Specifically, it refers to Juan Fernández Island, the type locality.
Odhner, N. H. J. (1922). Plate 8. Fig. 10.
Distribution
as listed in source literature
Type Material:
The following list brings together type material and other cited specimens as reported in the sources examined, grouped under the names and designations used in each source. The same specimen may appear in multiple entries drawn from different sources. Some entries concern other species included by authors for comparison; inclusion in this list does not imply synonymy.
Scalaria (Clathrus) juanina, Odhner, 1922TypeGNM. Masatierra, Juan Fernandez Island, crabbed, 30-40m. [Brown & Neville, 2015: 90].Masatierra, 30-40m. sand and Corallina. . 1917. [Odhner, 1922: 224].
Odhner, N. H. (1922).
Shown in text as Scalaria (Clathrus) juanina, Odhner, 1922
Plate 8. Fig. 10.
