Nihilichnus

Nihilichnus is an ichnogenus of trace fossil.^[2] It was first described from bite traces in 2006. The ichnogenus originally contained two ichnospecies, Nihilichnus nihilicus and Nihilichnus mortalis. The ichnogenera Brutalichnus and Machichnus were described in the same paper.^[3]

Nihilichnus
Trace fossil classification
Ichnofamily:	†Machichnidae
Ichnogenus:	†Nihilichnus Mikuláš et al., 2006
Type ichnospecies
Nihilichnus nihilicus Mikuláš et al., 2006
Ichnospecies[1]
N. nihilicus Mikuláš et al., 2006 N. covichi Rasser et al., 2016