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

Taxonomy

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Sinuitidae in the superfamilia Bellerophontoidea within the Paleozoic molluscs of uncertain systematic position with isostrophically coiled shells (Gastropoda or Monoplacophora).

This family consists of the following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

• Sinuitinae Dall, 1913 - synonym: Protowarthiidae Ulrich & Scofield, 1897 (inv.)
• Aiptospirinae Wang, 1980
• Hispanosinuitinae Frýda & Gutierrez-Marco, 1996

Genera

Genera in the family Sinuitidae include:

• Sinuites Koken, 1896 - type genus of the family Sinuitidae. Genus Sinuites has large aperture, its outer lip is bilobate. The dorsal side is convex. The umbilicus is closed.

References

1. ^ Dall W. H. 1913. Gastropods. In: Eastman C. R. Text Book of Paleontology edited by C. R. Eastman adapted from German of K. A. von Zittel, 2nd edition revised and enlarged by the editor in collaboration with the following named specialists: R.S. Bassler, W. H. Dall, C. D. Walcott. Volume 1. MacMillan & Co., London. xii + 839 pp. Page 521.
2. Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. 2005. Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. ISBN 3-925919-72-4. ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278
3. Koken E. 1896. Die Leitfossilien. Ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. 1-848.

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