Genus

Planavolites Mikuláš, 1992

Taxon description

Wisshak et al., 2019a

Grazing; substrate calcareous; tracemaker invertebrate

Mikuláš, 1992b

Diagnosis: Flat, considerably large depressions of irregular oval or very elongated form, occuring on the surface of a firm limestone substrate. The outline is undulated, sometimes lobate, even with pointed prejections. The bottom is rounded, more or less smooth, in some individuals with flat protrusions or depressions. The walls are usually steep, perpenticular or slightly overhanging; borings often occur in large groups. The usual dimension at the surface of sibstrate is c. 50 mm, depth 10-15 mm.

Buatois et al., 2017

Category of architectural design: 2.63. Circular holes and pit-shaped borings.

Knaust, 2012a

Unbranched, circular.

Aiheeseen liittyvät julkaisut
Mikuláš, R. 1992. Early Cretaceous borings from Štramberk (Czechoslovakia). Časopis pro mineralogii a geologii 37, 4, 297– 312.