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Antemnacrassa albosulcata
Taxonomy
Antemnacrassa albosulcata was named by Nikolajev (2004). Its type specimen is PIN 2384/575, an exoskeleton, and it is a compression fossil. Its type locality is Karatau-Mikhailovka (PIN collection 2384), which is in a Callovian/Oxfordian lacustrine - large siltstone in the Karabastau Formation of Kazakhstan.