Cephalopoda - Ammonitida - Ataxioceratidae

Alternative combination: Pachysphinctes americanensis

Belongs to Catutosphinctes according to C. Salazar and W. Stinnesbeck 2016

Sister taxon: Catutosphinctes guenenakenensis

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 145.2

Distribution: found only at Rio Maitenes, bed 55 (Jurassic of Chile)

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Specimen images are retrieved through the ePANDDA API.