Genus
Sigmelasma Potter, 1990
Aiheeseen liittyvät julkaisut
Hints, L. 2012. New Hirnantian orthide brachiopods from the type section of the Porkuni Stage (Porkuni quarry, northeastern Estonia). Estonian Journal of Earth Sciences 61, 4, 227–241. DOI:10.3176/earth.2012.4.04
List of species
1. Sigmelasma peepi Hints, 2012 | Porkuni Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Plectorthoidea |
| Family | Wangyuiidae |
| Genus | Sigmelasma |
| Species | peepi |
| Genus | Wangyuia |
See also