07395 - Top Quality 1.50 Inch Tetragramma marticense (Sea Urchin) Cretaceous Basseiarges Beautiful polished specimen
Yard notes & kiln story
Description
Beautiful polished specimen
which can collapse easily when even slight pressures are applied
The trident shaped appendage has been considered in functional morphology as a sensitive functionality to find food between the seabed substrate
McDowell and Bogert 1954
Lochkovella
07395 - Top Quality 1.50 Inch Tetragramma marticense (Sea Urchin) Cretaceous Basseiarges Beautiful polished specimenNicely preserved specimen.