Two Orthoceras on block
MCN-SEL-883017
Devonian, 350 million years old
Erfoud, Morocco
Orthoceras are slender, elongate shells, ancestors to the modern day squid.
14 x 2.5 cm and 13 x 2.2 cm shells on 14.5 x 7 cm block / 290 g
USD 48 / RMB 319 / HKD 369
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