Keyword "WOOD BORINGS" in:

The paleontological significance of hollows in Carboniferous to Permian fossil wood of the Central-Western Bohemian coal-bearing basins
Mikuláš,R., Zasadil,B., volume 41, 2008 (GRR for 2007), pages 124–127
pdf (1.26 MB)

Borings in xylic tissues of the tree fern Tempskya in the Bohemian Cretaceous Basin, Czech Republic
Mikuláš,R., Dvořák,Z., volume 36, 2003 (GRR for 2002), pages 129–131
pdf (0.81 MB)