|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Neogastropoda - Melongenidae
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.
|T. Kase 1990||Large, reaching more than 100 mm in height, slender fusiform shells; spire highly elevated, with height about one-half total shell height; whorls biangulated, with broad, more or less concave outer surface, and broad, inclined ramp; aperture lenticular, posteriorly angulated; siphonal canal moderately long, proportionately narrow anteriorly; inner lip covered by thin inductura, without prominent fold; outer lip sharp and smooth within; sculpture of slightly opisthocline, not transverse axial ribs on upper whorl angulation and spiral cords; base with strong spiral cords, weakening in strength anteriorly; growth lines broadly sinuous at upper angulation.|