Species
Pionodema costata Hints, 1975
Taxon description
Hints, L., 1975
Shell of a small size for the genus, subquadrate in outline; anterior commissure rectim arginate. Cardinalia consisting of subparallel brachiophores with long brachiophore processes. Dorsal adductor scars elongate with subtriangular posterior elements half as long as anterior ones. Pedicle muscle field bilobed. Radial ornamentation consisting of 7— 9 costellae per 2 mm, at 2 mm anterior of dorsal umbo.
Tyyppilajitiedot
holotype: Department of Geology, TalTech GIT 207-9, Tapa new quarry (Estonia, Tapa) , Nabala Stage (Nabala Stage, Saunja Fm.; Katian)
Synonyymit
1975 Pionodema costata sp. nov. — Hints , pp. 23-25, fig. 3:1-10;text-fig. 15
Aiheeseen liittyvät julkaisut
Hints, L. 1975. Brahiopody Enteletacea ordovika Pribaltiki. pp. 1-119. Eesti NSV Teaduste Akadeemia.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Dalmanellidina |
| Superfamily | Enteletoidea |
| Family | Draboviidae |
| Subfamily | Draboviinae |
| Genus | Pionodema |
| Species | costata |
| dubia |
Levinneisyys ja viitteet
- Hints, L., 1975 Tapa new quarry Nabala Stage