Ichnofossils
Species

Didymaulichnus alternatus Pickerill, Ronano et Melendez, 1984

Taxon description

Pickerill et al., 1984b

Diagnosis.: Smooth, straight, gently curved to slightly sinuous Didymulichnus burrows composed of alternating deep and less deeply impressed sections giving the burrow a step-wise or castellate longitudinal section.

Synonymy list
1984     Didymaulichnus alternatus n. sp. — Pickerill et al. , pp. 260 , fig. 4a-c