†Arietites semicostatus Young and Bird 1828 (ammonite)
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Cephalopoda - Ammonitida - Arietitidae
Alternative combination: Ammonites semicostatus
Belongs to Arietites according to C. M. Lee 1984
Sister taxa: Arieticeras, Arietites bonnardii, Arietites geometricus, Arietites longicellus, Arietites quadratus, Arietites wichmanni, Coroniceras (Arietites) bisulcatus, Megarietites meridionalis
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Hong Kong (1 collection), the United Kingdom (1)
Total: 2 collections including 3 occurrences
Specimen images are retrieved through the ePANDDA API.
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