Sinuitidae is an extinct family of Paleozoic molluscs of uncertain position (they were either Gastropoda or Monoplacophora). They had isostrophically coiled...

combining the Bellerophontidae with the family Sinuitidae. while Bouchet & Rocroi (2005) places Sinuitidae as a family in superfamily Bellerophontoidea...

Euphemitidae, and Sinuitidae compare with the subfamilies Bucanellinae, Euphemitinae, and Sinuitinae included in the Sinuitidae, as found in the Treatise...

and more diverse; that taxon contains three families, the Cyrtolitidae, Sinuitidae, and Bellerophontidae, along with subfamilies and tribes. Ponder & Lindberg...

true gastropods, but as the subfamily Bucanellinae within the family Sinuitidae. The current gastropod taxonomy, taxonomy of the Gastropoda by Bouchet...

Bellerophontidae † Bucanellidae † Bucaniidae † Euphemitidae † Pterothecidae † Sinuitidae † Tremanotidae † Tropidodiscidae †Euomphaloidea † Euomphalidae † Helicotomidae...

Trenellidae † Bucanellidae † Bucaniidae † Euphemitidae † Pterothecidae † Sinuitidae † Tremanotidae † Tropidodiscidae Euomphaloidea † Euomphalidae † Helicotomidae...

Ulrich & Scofield, 1897 †Subfamily Pedasiolinae Wahlman, 1992 †Family Sinuitidae Dall, 1913 †Subfamily Sinuitinae Dall, 1913 (=Protowarthiidae Ulrich &...