|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Pterotracheidae
NOTE: this is based on a living genus, but the fossils are reported only from the Jurassic. These almost certainly are not Pterotrachea, but just as long as we do not range them through to the present, then it should not matter too much.
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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.