|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Vanikoridae
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. R. Laws 1939||Shell small, body-whorl very large and expanded, height of spireabout one-fifth that of shell. Suture strongly cut in. Whorls convex, shouldered above. Protoconch of about 1! convex volutionstunsculptured.Sculpture similar to that of Z. corrugata Hedley, coarse growth-ridges simulating varices, and spiral threads which are rather uneven in strength. .Aperture large, broadly ovate, continuous, inner lip separated from body by a groove; umbilicus distinct~ entering from groove ; a sharp ridge bordering left side of groove below and entering umbilicus.|