†Geczyceras perplanum Prinz 1904 (ammonite)
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Cephalopoda - Ammonitida - Hammatoceratidae
Alternative combination: Hammatoceras perplana
Synonym: Hammatoceras clavatum Fossa-Mancini 1914
Belongs to Geczyceras according to Z. Kovács 2009
See also Géczy et al. 2008
Sister taxa: Geczyceras allobrogense, Geczyceras bonarellii, Geczyceras clausum, Geczyceras costatum, Geczyceras costulosum, Geczyceras galaczi, Geczyceras martinezae, Geczyceras porcarellense, Geczyceras speciosum
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 86.6
Distribution:
• Jurassic of Hungary (8 collections), Spain (4)
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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