telson of Aenigmastacus, a diaeresis on the uropods, which is seen in both superfamilies, is preserved in some specimens of Aenigmastacus, suggesting...

Australia. The only northern hemisphere representative is also a fossil, Aenigmastacus crandalli from Canada. T. H. Huxley (1879). The Crayfish: an Introduction...

Name Novelty Status Authors Age Unit Location Notes Images Aenigmastacus Gen et sp nov valid Feldmann, Schweitzer, & Leahy Eocene Ypresian Okanagan Highlands...

stick insects (Phasmatodea). A species of fossil freshwater crayfish (Aenigmastacus crandalli) was described from the McAbee Fossil Beds. The very high...

over ten fossils were recovered from McAbee and described in 2011 as Aenigmastacus crandalli by Feldmann, Carrie Schweitzer, and John Leahy. A. crandalli...