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Omma grande
Taxonomy
Tetraphalerus grandis was named by Ponomarenko (1964). Its type specimen is 2 c; Pl VI, fig. 4, an exoskeleton, and it is an impression. Its type locality is Karatau-Galkino (PIN collection 1789), which is in a Callovian/Oxfordian lacustrine - large siltstone in the Karabastau Formation of Kazakhstan.
It was recombined as Omma grande by Kirejtshuk (2020).
It was recombined as Omma grande by Kirejtshuk (2020).