Species
Pionodema dubia Hints, 1975
Taxon description
Hints, L., 1975
Unequelly biconvex shell of moderate size, subcircular in outline. Anterior commissure rectim arginate. Radial ornamentation finely costellate with modal count of 11 and 8 costellae per 2 mm, at 2 mm and 5 mm anterior of dorsal umbo.
Tyyppilajitiedot
holotype: Department of Geology, TalTech GIT 207-7, Tõrremägi ditches (Estonia, Tõrremägi) , Oandu Stage (Oandu Stage; Katian)
Synonyymit
1975 Pionodema dubia sp. nov. — Hints , pp. 21-23, fig. 2:6-14
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 Tõrremägi ditches Oandu Stage