Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Monoplacophora
Ordo: † Pelagiellida
Familia: Pelagiellidae
Genera: Cambretina - Costipelagiella - Proeccyliopterus - Tannuspira - Tianzhushanospira
Name
Pelagiellidae Knight, 1952
Reference
* Primitive fossil gastropods and their bearing on gastropod classification. 117(13), 1-56.
Pelagiellidae is an extinct family of paleozoic molluscs.
2005 taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[3] categorizes Pelagiellidae in the superfamilia Pelagielloidea within the Paleozoic molluscs of uncertain systematic position. This family has no subfamilies.
2006–2007 taxonomy
According to P. Yu. Parkhaev, the family Pelagiellidae is in the order Pelagiellifomes MacKinnon, 1985 within the subclass Archaeobranchia Parkhaev, 2001, in the class Helcionelloida Peel, 1991.
Genera
Genera in the family Pelagiellidae include:
* Pelagiella Matthew, 1895[4] - type genus of the family Pelagiellidae
o Pelagiella atlantoides - synonym: Cyrtolithes atlantoides
o Pelagiella emeishanensis - image
* Proeccyliopterus Kobayashi, 1962
* Protoscaevogyra Kobayashi, 1939
* Cambretina Horný, 1964
* Costipelagiella Horný, 1964
References
1. ^ Knight J. B. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2): 41-42.
2. ^ a b Kobayashi (20 March) 1962. Journal of the Faculty of Science, University of Tokyo, section 2 (Geology, Mineralogy, Geography, Geophysics), 14(1):17.
3. ^ 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
4. ^ Matthew G.F. 1895. The Protolenus fauna. Transactions of the New York Academy of Sciences 14: 101-153. Pelagiella on the page 131. Plate VI., figure 6 a-c.
