Genus
Thoronetia Brönniman, Caron et Zaninetti, 1972
Taxon description
Knaust, 2020c
Diagnosis (revised after Blau et al. 1997). Favreinidae with a circular to sub-circular outline in cross-section, a ventral cap, and internal canals circular, sub-circular, tearshaped or combinations in cross-section.
Luokittelu
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Coprolites | |
| Invertebrate coprolites | |
| Family | Favreinidae |
| Genus | Agantaxia |
| Canalispalliatum | |
| Favreina | |
| Fundalutum | |
| Halorina | |
| Helicerina | |
| Lercarina | |
| Octotriangulella | |
| Palaxius | |
| Parafavreina | |
| Payandea | |
| Petalina | |
| Sulcusina | |
| Thoronetia | |
| Species | maastrichtensis |
| quinaria |