Cephalopoda - Ammonitida - Acanthoceratidae

Full reference: P. M. P. Zaborski. 1990. Some Upper Cretaceous ammonites from southern Nigeria. Journal of African Earth Sciences 10(3):565-581

Belongs to Romaniceras (Yubariceras) according to P. M. P. Zaborski 1990

Sister taxa: Romaniceras (Yubariceras) kanei, Romaniceras (Yubariceras) ornatissimum, Romaniceras (Yubariceras) reymenti, Yubariceras gosavicum

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 120.0

Distribution: found only at 34 km from Calabar, Calabar-Ikot Ekipene road [Odukpani Fm] (Cretaceous of Nigeria)

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Specimen images are retrieved through the ePANDDA API.