Chrysallida Carpenter, 1856

Høisaeter, Tore, 2014, The Pyramidellidae (Gastropoda, Heterobranchia) of Norway and adjacent waters. A taxonomic review, Fauna norvegica 34, pp. 7-78 : 21

Chrysallida Carpenter, 1856 s.l.

This name is used for five species not easily included in Parthenina or any other described genus. I provisionally include ‘ C.’ bjoernssoni , ‘ C.’ brattstroemi , ‘ C.’ eximia , and ‘ C. ’ hoeisaeteri in one genus-group taxon, and ‘ C.’ subslustris in another.

Key to the species of Chrysallida s.l., based on shell morphology

1a. No spiral sculpture....................... Chrysallida sublustris

1b. Shell with three spiral cords on body whorl .................2

2a. Protoconch distinctly keeled..... Chrysallida bjoernssoni

2b. Protoconch different........................................................3

3a. Shell small, almost globular, whorls shouldered ............... Chrysallida brattstroemi

3b. Shell elongated, narrow, convex whorls ......................... Chrysallida eximia

3c. Shell with prosocline axial ribs, protoconch

perfectly smooth .......................... Chrysallida hoeisaeteri