Genus
Bigalea Pojeta et Runnegar, 1976
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Rostroconchia |
| Order | Conocardiida |
| Superfamily | Hippocardioidea |
| Family | Hippocardiidae |
| Genus | Bigalea |
| Hippocardia |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Rostroconchia |
| Order | Conocardiida |
| Superfamily | Hippocardioidea |
| Family | Hippocardiidae |
| Genus | Bigalea |
| Hippocardia |