Archinacellidae Explained

†Archinacellidae is an extinct family of paleozoic molluscs of uncertain position (Gastropoda or Monoplacophora).

Description

These are cap-shaped fossil shells.

Taxonomy

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005^[1] 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^[2] – type genus of the family Archinacellidae
  • Archinacella powersi Ulrich & Scofield, 1897 – type species
  • Archinacella instabilis (Billings, 1865)^[3]
• Barrandicella Peel & Horný, 1999
• Barrandicellopsis Horný, 2000^[4]
  • 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^[4]

External links

• images

Notes and References

1. Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdes A. & Warén A. 2005. Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. . ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278
2. [Edward Oscar Ulrich|Ulrich E. O.]
3. [Elkanah Billings|Billings E.]
4. Horný R. J. 2000. Barrandicellopsis, a new Ordovician archinacelloid genus (Mollusca, Gastropoda). Věstník Českého geologického ústavu 75, 2.