Cephalopoda - Ceratitida - Aspenitidae

Full reference: J. F. Jenks, A. Brayard, T. Brühwiler and H. Bucher. 2010. New Smithian (Early Triassic) ammonoids from Crittenden Springs, Elko County, Nevada: implications for taxonomy, biostratigraphy and biogeography. New Mexico Museum of Natural History and Science Bulletin 48:1-41

Belongs to Pseudaspenites according to J. F. Jenks et al. 2010

Sister taxa: Pseudaspenites evolutus, Pseudaspenites layeriformis, Pseudaspenites planus, Pseudaspenites tenuis

Type specimen: NMMNH P-60203. Its type locality is Crittenden Springs, Meekoceras gracilitatis zone sample 2, which is in a Smithian open shallow subtidal limestone in the Thaynes Formation of Nevada.

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 73.2

Distribution: found only at Crittenden Springs, Meekoceras gracilitatis zone sample 2

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Specimen images are retrieved through the ePANDDA API.