|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Murchisoniina - Crassimarginatidae
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.
|J. Frýda et al. 2002||Small or medium sized, sinistrally or dextrally coiled, pupiform shells with explanate outer apertural lip at gerontic growth stage; expanded apertural margins having rounded outline; parietal area covered by shell deposits.|