Species
Nihilichnus covichi Rasser, Vallon et Salvador, 2016
Type specimen data
holotype: Staatliches Museum für Naturkunde Stuttgart ; SMNS 101527; Steinheim am Albuch; Miocene , Mammal Neogene zones MN 6/7
Reference:
Rasser, M. W., Vallon, L. H., Salvador, R. B. 2016. Perforations of freshwater snail shells from the Miocene of Germany: Nihilichnus covichi n. isp.. pp. 222-227. DOI:10.1080/10420940.2016.1164154
Taxon description
LaBarge & Njau, 2024
Emended diagnosis: Solitary to rarely paired holes or external pits, with mainly elliptical to sometimes circular outline, in invertebrate shell. The hole margin is straight and perpendicular to the inner and outer surfaces. Very few small scratches may be present on the shell surface in close vicinity to the holes.
Rasser et al., 2016
Diagnosis: Solitary to rarely paired Nihilichnus with mainly ellipsoidal to sometimes circular outline. The hole margin is straight and perpendicular to the inner and outer surfaces. Very few small scratches may be present on the shell surface in close vicinity to the holes.
Synonymy list
2016 Nihilichnus covichi n. isp. — Rasser et al. , pp. 223, fig. Fig. 2
2024 Nihilichnus covichi Rasser et al., 2016 — LaBarge & Njau , pp. 49-50
2025 Nihilichnus covichi Rasser et al. (2016) — Hunt & Lucas , pp. 342-343
Classification
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Family | Machichnidae |
| Genus | Nihilichnus |
| Species | clavus |
| covichi | |
| fissuratus | |
| hastarius | |
| mortalis | |
| nihilicus | |
| quadripertitus | |
| sicarius | |
| sulcatus |