†superfamily Tylodinoidea Gray 1847 (snail)

Gastropoda - Opisthobranchia

Parent taxon: Notaspidea according to J. A. Todd 2001

See also Beesley 1998

Sister taxon: Pleurobranchoidea

Subtaxa: Tylodinidae Umbraculidae

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Ecology: epifaunal carnivore

Distribution:

• Miocene of Brazil (1 collection), France (1), Germany (1)

• Eocene of the United Kingdom (1), United States (24: Alabama, Louisiana, Mississippi, Texas)

• Paleocene of United States (3: Alabama, Maryland, Texas)

Total: 31 collections including 34 occurrences

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