|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Tergomya - Kiringellida - Hypseloconidae
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.
|B. L. Stinchcomb 1986||Shell an elongate elliptical cone, gradually expanding to form a cone at least five times larger than greatest length at aperture. Shell aperture an ellipse with the length and height subequal. Apex in most species extending to a well formed point. Surfac ewith simple radiating striae, running from the apex to the margin; interspaces wider than the striae. Muscle scars unknown.|