|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Neogastropoda - Cochlespiridae
It was reranked as Tropisurcula (Eodrillia) by Garvie (2013).
It was assigned to Turridae by Palmer and Brann (1966); to Neogastropoda by Sepkoski (2002); and to Tropisurcula by Garvie (2013).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|C. L. Garvie 2013||Shell smooth or finely spirally striate; protoconch conical, smooth, of 3–3½ whorls; ribs well-developed, not crossing fasciolar surface; sinus broadly U-shaped, with apex near middle of fasciolar surface; subsutural collar prominent; aperture short; canal short.|