Genus
Grammoplecia Wright et Jaanusson, 1993
List of species
1. Grammoplecia triplesoides Wright et Jaanusson, 1993 | Upper Ordovician
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Strophomenata |
| Order | Orthotetida |
| Suborder | Triplesiidina |
| Superfamily | Triplesoidea |
| Family | Triplesiidae |
| Genus | Amphiplecia |
| Bicuspina | |
| Cliftonia | |
| Grammoplecia | |
| Species | triplesoides |
| Genus | Ogmoplecia |
| Onychoplecia | |
| Oxoplecia | |
| Plectotreta | |
| Streptis | |
| Triplesia |