Description
Author: Jan Delsing
Text ID: 93443
Text Type: 1
Page: 0
Created: 2019-05-15 09:03:02 - User Delsing Jan
Last change: 2019-05-15 09:03:14 - User Delsing Jan
Language: EN
Text function: [[t:1337327,textblock=93443,elang=EN;Description]]
Shell strong, forming a slender, somewhat pagoda-like cone. Colour milky-white and shiny. Embryonic whorls intorted, type C. Teleoconch consisting of about five whorls which are only slightly curved in their upper two-thirds and markedly more convex in the lower third. Suture well-marked. Only growthlines can be detected, which are about orthocline. Outer lip thin, smooth inside. Umbilicus a small chink. There is a moderately prominent tooth on the columella.
Dimensions: H. 2.5-2.7 mm, W. 1.0-1.3 mm; holotype: 2.7 x 1.3 mm.
Aartsen, J.J. , Gittenberger, E. & Goud, J., 1998. Pyramidellidae (Mollusca, Gastropoda, Heterobranchia) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern part of the North Atlantic Ocean (part 1)
Interchangeable taxa
Author: Jan Delsing
Text ID: 93444
Text Type: 19
Page: 0
Created: 2019-05-15 09:04:03 - User Delsing Jan
Language: EN
Text function: [[t:1337327,textblock=93444,elang=EN;Interchangeable taxa]]
O. boermani spec. nov. is similar to O. lukisii Jeffreys, 1859, as far as its shiny, milky-white whorls and the flat, intorted topwhorls are concerned. However, the shape of the whorls is quite different and the shells are clearly larger than those of O. lukisii.
Aartsen, J.J. , Gittenberger, E. & Goud, J., 1998. Pyramidellidae (Mollusca, Gastropoda, Heterobranchia) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern part of the North Atlantic Ocean (part 1)