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Taxon profile

species

Parthenina faberi (Van Aartsen, Gittenberger & Goud, 2000)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Allogastropoda »  family Pyramidellidae »  genus Parthenina

Scientific synonyms

Chrysallida faberi Aatsen, Gittenberger & Goud, 2000

Images

Parthenina faberi

Author: Aartsen, van, Gittenberger & Goud

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Description

Shell whitish, rather thin and transparent, slender conical with a somewhat flattened top. Embryonic whorls smooth and intorted, clearly separated from the first teleoconch whorl. Teleoconch consisting of three and a half to four rather convex whorls. Suture incised but not very deep. Growthlines inverted-S-shaped, coinciding with the axial ribs. Teleoconch sculpture formed by fifteen to twenty very sinuous axial ribs per whorl, which are not very prominent. These ribs are narrower than the interstices. Very low on the abapical side of the whorl one spiral rib is present. On the last whorl a second spiral below the first one marks the end of the axial ribs. Below this second spiral the base of the shell is smooth. Without an umbilicus, only a faint chink can sometimes be seen. Columellar tooth hardly percep¬tible.
Dimensions: H. 1.8 mm, W. 0.8-0.9 mm; holotype 1.8 x 0.9 mm.
Aartsen, J.J. , Gittenberger, E. & Goud, J., 2000. Pyramidellidae (Mollusca, Gastropoda, Heterobranchia) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern part of the North Atlantic Ocean (part 2)

Interchangeable taxa

Chrysallida (Parthenina) faberi is similar to the very common C. (P.) interstincta from which it differs in its sinuous, much less prominent axial ribs and the near absence of a tooth on the columella. Shells of C. (P.) faberi spec. nov. are also less slender than those of C. (P.) interstincta.
Aartsen, J.J. , Gittenberger, E. & Goud, J., 2000. Pyramidellidae (Mollusca, Gastropoda, Heterobranchia) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern part of the North Atlantic Ocean (part 2)
Author: Jan Delsing

Similar species

Parthenina interstincta (J. Adams, 1797)

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Chrysallida faberi Aartsen, Gittenberger & Goud, 1998]
Data retrieved on: 23 November 2013

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