Dillwynella
Dillwynella is a genus of sea snails, marine gastropod mollusks in the family Skeneidae.
The genus name of Dillwynella is in honour of Lewis Weston Dillwyn, who was a British porcelain manufacturer, naturalist and Whig Member of Parliament.
Description
The minute, depressed, porcellanous shell has a thin horny operculum. It consists of comparatively few whorls. The shell is imperforate, but with a depression bounded by a riblet in the umbilical rib outside of the columella. The few whorls have a thin fugacious epidermis. The outer lip is thin. The columella has no teeth, projections, or folds, passing smoothly into the anterior margin.Species
Species within the genus Dillwynella include:- † Dillwynella aulacophora Cossmann, 1913 Dillwynella fallax Hasegawa, 1997Dillwynella haptricola B.A. Marshall, 1988
- † Dillwynella houzeaui Cossmann, 1913 Dillwynella ingens B.A. Marshall, 1988Dillwynella lignicola B.A. Marshall, 1988Dillwynella modesta Dillwynella planorbis Hasegawa, 1997Dillwynella sheisinmaruae Hasegawa, 1997
- † Dillwynella texana G. Harris, 1895 Dillwynella vitrea Hasegawa, 1997Dillwynella voightae Kunze, 2011