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Discoceras antiquissima
Taxonomy
Clymenia antiquissima was named by Eichwald (1842). It is the type species of Discoceras.
It was recombined as Discoceras antiquissimum by Barrande (1867); it was recombined as Discoceras antiquissima by Sweet (1958), Kröger and Aubrechtova (2017), Kröger and Aubrechtová (2019).
It was recombined as Discoceras antiquissimum by Barrande (1867); it was recombined as Discoceras antiquissima by Sweet (1958), Kröger and Aubrechtova (2017), Kröger and Aubrechtová (2019).
Sister species lacking formal opinion data