†Rivagraptus kayi Churkin and Carter 1970 (graptolite)
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Alternative combination: Glyptograptus kayi
Full reference: M. Churkin and C. Carter. 1970. Early Silurian Graptolites From Southeastern Alaska and Their Correlation With Graptolitic Sequences in North America and the Arctic. United States Geological Survey Professional Paper 653:1-51
Belongs to Rivagraptus according to M. J. Melchin et al. 2011
See also Churkin and Carter 1970
Sister taxa: Rivagraptus bellulus, Rivagraptus supernus
Type specimen: USNM 161741
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Silurian of Canada (1: Nunavut collection)
• Ordovician of Canada (1: Nunavut)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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