Worm burrow, Diplocraterion
Worm burrows, Diplocraterion.
Lower Jurassic: Rugby Limestone Member,
Southam Cement Works Quarry.
Collected by Jon D. Radley, Keeper of Geology.
Worm burrow, Diplocraterion - detail
Worm burrows, Diplocraterion.
Lower Jurassic: Rugby Limestone Member,
Southam Cement Works Quarry.
Collected by Jon D. Radley, Keeper of Geology.