Genus
Hirnantia Lamont, 1935
Taxon description
Hints, L., 1975
Small, unequally biconvex shell with pedicle valve more deeply convex than brachial valve. Anterior commissure rectim arginate. Cardinalia consisting of divergent plate-like brachiophores and small bilobed (?) cardinal process. Radial ornamentation of rhipidomellid type, consisting of fine hollow costellae.
Selection of related publications
Kaljo, D., Hints, L., Männik, P., Nõlvak, J. 2008. The succession of Hirnantian events based on data from Baltica: brachiopods, chitinozoans, conodonts, and carbon isotopes. Estonian Journal of Earth Sciences 57, 4, 197-218. DOI:10.3176/earth.2008.4.01
List of species
1. Hirnantia sagittifera (McCoy, 1851) | Porkuni Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Dalmanellidina |
| Superfamily | Enteletoidea |
| Family | Draboviidae |
| Subfamily | Draboviinae |
| Genus | Draborthis |
| Drabovia | |
| Hirnantia | |
| Species | sagittifera |
| Genus | Kinnella |
| Oanduporella | |
| Pionodema | |
| Salopina |
See also