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Archinacellidae

Archinacellidae is an extinct family of paleozoic molluscs of uncertain position.

Description
These are cap-shaped fossil shells. == Taxonomy ==
Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Archinacellidae in the superfamilia Archinacelloidea within the Paleozoic molluscs of uncertain systematic position. This family has no subfamilies. == Genera ==
Genera
Genera in the family Archinacellidae include: • Archinacella Ulrich & Scofield, 1897 – type genus of the family Archinacellidae • Archinacella powersi Ulrich & Scofield, 1897 – type species • Archinacella instabilis (Billings, 1865) • Barrandicella Peel & Horný, 1999 • Barrandicellopsis Horný, 2000 • Barrandicellopsis ovata – synonym: Archinacella ovata Barrande in Perner, 1903 – Archinacella ovata var. elevata Barrande in Perner, 1903 – type species, Middle Ordovician from Bohemia • Barrandicellopsis extenuata – synonym: Orthonychia extenuata Barrande in Perner, 1903 – probably belongs to genus Barrandicellopsis, Middle Ordovician from Bohemia == References ==
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