†Phylloceras (Macrophylloceras) grossicostatum Imlay 1953 (ammonite)
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Cephalopoda - Phylloceratida - Phylloceratidae
Full reference: R. W. Imlay. 1953. Callovian (Jurassic) ammonites from the United States and Alaska Part 2. Alaska Peninsula and Cook Inlet regions. United States Geological Survey Professional Paper 249-B:41-108
Belongs to Phylloceras (Macrophylloceras) according to R. W. Imlay 1953
Sister taxon: Macrophylloceras ptychostoma
Type specimen: USNM 108014, a shell
Ecology: nektonic carnivore
Distribution:
• Jurassic of United States (9: Alaska collections)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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