Delthyridoidea
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Paraspirifer_bownockeri_brachial_valve_CRF.jpeg/220px-Paraspirifer_bownockeri_brachial_valve_CRF.jpeg)
Taxonavigation
editSuperregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Brachiopoda
Subphylum: Rhynchonelliformea
Classis: Rhynchonellata
Ordo: †Spiriferida
Subordo: †Delthyridina
Superfamilia: †Delthyridoidea
Familiae: †Acrospiriferidae – †Cyrtinopsidae – †Delthyrididae – †Hysterolitidae – †Mucrospiriferidae
Name
editReferences
editPrimary references
edit- Phillips, J. 1841. Figures and descriptions of the Palaeozoic fossils of Cornwall, Devon, and West Somerset: observed in the course of the Ordnance Geological Survey of that district. London: Longman, Brown, Green, & Longmans, 231 pp., 60 pls. BHL.
Links
edit- The Paleobiology Database accessed on 7/21/09