Ptychagnostus intermedius Tullberg 1880 (trilobite)

Trilobita - Agnostida - Ptychagnostidae

Alternative combination: Agnostus intermedius

Belongs to Ptychagnostus according to Robison 1984

Sister taxa: Ptychagnostus (Acidusus), Ptychagnostus (Ptychagnostus), Ptychagnostus acidusus, Ptychagnostus aculeatus, Ptychagnostus aksayensis, Ptychagnostus atavus, Ptychagnostus convexus, Ptychagnostus cuyanus, Ptychagnostus karatauensis, Ptychagnostus leptus, Ptychagnostus punctuosus, Ptychagnostus seminula, Ptychagnostus sinicus, Ptychagnostus spinosus

Ecology: nektonic suspension feeder


• Cambrian of Australia (1 collection), Canada (1: Newfoundland and Labrador), Kazakhstan (6), United States (10: Nevada, Utah)

Total: 18 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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