|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Neogastropoda - Turridae
It was reranked as Amuletum (Lutema) by Kosnik (2002).
It was assigned to Turritidae by Stephenson (1941); to Neogastropoda by Sepkoski (2002); to Amuletum by Kosnik (2002); and to Turridae by Bandel (1993) and Kaim and Beisel (2005).
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.
|L. W. Stephenson 1941||Shell small, turreted. Spire about equal in height to the length of the aperture. Spiral angle 32 to 42 degrees. Protoconch of medium size, smooth, naticoid, coiled 2 or 3 times. Shoulder rather broad, broadly excavated, moderately steep, limited below by an obtuse shoulder angle. Body whorl broadly rounded on the periphery, broadly excavated on the base. Axials short, oblique, numbering 13 to 20, and may or may not be noded on the shoulder angle. Spirals numerous, narrow, weak, and may be practically wanting on the inflated part of the whorls.
Aperture long; outer lip broadly arched and thin; inner lip forming a thin callus on the parietal wall; anal notch of moderate depth, sharply rounded at inner end; canal narrow, deep, and straight or only slightly twisted.