United States or South Africa ? Vote for the TOP Country of the Week !
Pleurotomaria carinata, Sowerby. Mountain Limestone. Euomphalus pentangulatus, Sowerby. Mountain Limestone. a. Upper side. b. Lower or umbilical side. c. View showing mouth, which is less pentagonal in older individuals. d. Euomphalus is a characteristic univalve shell of this period.
Word Of The Day