†Hardyoides Kobayashi 1938 (trilobite)
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Trilobita - Ptychopariida - Norwoodiidae
Synonym: Norwoodina Lochman 1940
Parent taxon: Norwoodiidae according to P. A. Jell and J. M. Adrain 2002
See also Palmer 1965 and Sepkoski 2002
Sister taxa: Cedaraspis, Holcacephalus, Levisaspis, Norwoodella, Norwoodia, Paranorwoodia
Subtaxa: Hardyoides damaensis Hardyoides mimicus Hardyoides sinensis
Ecology: fast-moving low-level epifaunal suspension feeder
Distribution:
• Tremadoc of United States (1: Vermont collection)
• Taoyuanian of China (2)
• Cambrian of Canada (3: Yukon), China (1), Kazakhstan (16), the Russian Federation (2), United States (9: Alaska, Nevada, South Dakota, Utah)
Total: 34 collections including 35 occurrences
Specimen images are retrieved through the ePANDDA API.
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