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Rayonnoceras protentum Gordon 1964 (mollusk)

Cephalopoda - Actinocerida - Carbactinoceratidae

PaleoDB taxon number: 298477

Full reference: M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322

Belongs to Rayonnoceras according to M. Gordon 1964

Sister taxa: Rayonnoceras cadyi, Rayonnoceras eccentricum, Rayonnoceras fayettevillense, Rayonnoceras irregulare, Rayonnoceras nobile, Rayonnoceras solidiforme, Rayonnoceras vaughanianum

Type specimen: USNM 119000, a shell. Its type locality is Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge, which is in a Serpukhovian offshore grainstone/shale in the Imo Formation of Arkansas.

Ecology: nektobenthic carnivore