|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Rissoidae
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.
|W. F. Ponder 1984||Shell: turbinate, with few spiral cords much stronger than axial sculpture, varix weak or absent, outer lip not dentate within (Fig. 94A). Protoconch with micro sculpture of weak spiral elements (Fig. 94B; see also Thiriot-Quievreux & Babio, 1975).|