†Geczyceras clausum Gabilly 1973 (ammonite)
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Cephalopoda - Ammonitida - Hammatoceratidae
Alternative combination: Hammatoceras clausum
Belongs to Geczyceras according to Z. Kovács 2009
Sister taxa: Geczyceras allobrogense, Geczyceras bonarellii, Geczyceras costatum, Geczyceras costulosum, Geczyceras galaczi, Geczyceras martinezae, Geczyceras perplanum, Geczyceras porcarellense, Geczyceras speciosum
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 122.9
Distribution: found only at Pisznice Quarry, Gerecse Mts, bed No. 110 (Jurassic of Hungary)
Specimen images are retrieved through the ePANDDA API.
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