†Polygrammoceras Foerste 1927 (mollusk)
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Cephalopoda - Orthocerida - Kionoceratidae
Parent taxon: Kionoceratinae according to C. Teichert et al. 1964
See also Crick 1981, Flower 1962, Strand 1934 and Sweet 1958
Sister taxa: Kionoceras, Nothokionoceras, Ohioceras, Thoracoceras
Subtaxa: Polygrammoceras chicottense Polygrammoceras ellisense
Ecology: nektonic carnivore
Distribution:
• Silurian of Canada (7: Quebec collections), China (1), the United Kingdom (1), United States (1: Wisconsin)
• Ordovician of Canada (1: Quebec), China (2), Norway (7), Svalbard and Jan Mayen (1), Sweden (3), the United Kingdom (1), United States (14: Illinois, Iowa, Wisconsin, Kentucky, Minnesota)
Total: 39 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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