Archinacellidae
Extinct family of gastropods
From Wikipedia, the free encyclopedia
Archinacellidae is an extinct family of paleozoic molluscs of uncertain position (Gastropoda or Monoplacophora).
| Archinacellidae | |
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| 1865 drawing of Archinacella instabilis by Elkanah Billings. | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superfamily: | †Archinacelloidea |
| Family: | †Archinacellidae Knight, 1952[2] |
| Genera | |
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see text | |
Description
These are cap-shaped fossil shells.
Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[3] categorizes Archinacellidae in the superfamilia Archinacelloidea within the Paleozoic molluscs of uncertain systematic position. This family has no subfamilies.
Genera
Genera in the family Archinacellidae include:
- Archinacella Ulrich & Scofield, 1897[4] – type genus of the family Archinacellidae
- Barrandicella Peel & Horný, 1999
- Barrandicellopsis Horný, 2000[6]
- 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[6]
