|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Neogastropoda - Turbinellidae
Is something missing? Join the Paleobiology Database and enter the data
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. P. Popenoe and L. R. Saul 1987||Bucciniform to pyriform gastropods of medium to moderately large size with a subangulate whorl periphery which is ornamented by fewer than five spiral ribs. The crossing of these spiral ribs by short axial ribs produces the characteristic noded periphery. The edge of the outer lip anterior to the periphery is fimbriated. With the exception of the geologically earliest species, P. cretacea (Cooper), all species have an expanded inner lip that is developed at growth halts and is the inner lip equivalent of a varix.|