Ordovician Erfoud, Morocco A large plaque of orthoceras specimens—related to today’s squid and chambered nautilus—bears testimony to a geological event that caused the sudden death of a large number of individuals, known as a mass mortality. Each specimen is polished to reveal the fine detail of the chambers. Measures 40 x 21in
Ordovician Erfoud, Morocco A large plaque of orthoceras specimens—related to today’s squid and chambered nautilus—bears testimony to a geological event that caused the sudden death of a large number of individuals, known as a mass mortality. Each specimen is polished to reveal the fine detail of the chambers. Measures 40 x 21in
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