Archinacellidae
†Archinacellidae is an extinct family of paleozoic molluscs of uncertain position.
Description
These are cap-shaped fossil shells.Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Archinacellidae in the superfamilia Archinacelloidea within thePaleozoic molluscs of uncertain systematic position. This family has no subfamilies.
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 Barrandicella Peel & Horný, 1999Barrandicellopsis 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