Species
Nihilichnus nihilicus Mikulás, Kadlecová, Fejfar et Dvořák, 2006
Taxon description
Mikulás et al., 2006
Diagnosis: Roughly triangular, circular or ovoid holes or external pits, occurring solitarily or in groups, which may show recurring patterns. Outer part of the margin of the cavity shows minute, irregular jags, resulting from a brittle deformation.
Synonymy list
2006 Nichilichnus nihilicus n. isp. — Mikulás et al. , pp. 119, fig. fig. 6
2023 Nihilichnus nihilicus Mikuláš et al., 2006 — Trifilio et al. , pp. 13, fig. Fig. 8A-B
Classification
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Family | Machichnidae |
| Genus | Nihilichnus |
| Species | covichi |
| nihilicus | |
| sulcatus |