Eramoscorpius
''Eramoscorpius'' is an extinct genus of Silurian scorpions from the Eramosa Member in Ontario. It was likely one of the first semi-terrestrial scorpions. The genus contains a Monotypic taxon, single species, ''Eramoscorpius brucensis''. Description ''Eramoscorpius'' was roughly 17 cm long at largest, with individuals in various size classes. Unusually for most Silurian scorpions, its Arthropod tarsus, tarsi resembled those of modern scorpions, suggesting the ability to walk on land. Most other Silurian scorpions, on the other hand, had tarsi much longer than basitarsi, or pointed crab-like legs, meaning they would have likely walked on their "toes" and therefore would have been rather slow on land. However, the morphology of the wikt:coxosternum, coxosternae still suggests ''Eramoscorpius'' was mainly aquatic. While its sternal morphology resembles the "giant" scorpion ''Praearcturus'', appendages are unknown from that genus, alongside the two differing in the absence of Stomot ...
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