Ontology highlight
ABSTRACT:
SUBMITTER: Waddington J
PROVIDER: S-EPMC4321148 | biostudies-other | 2015 Jan
REPOSITORIES: biostudies-other
Biology letters 20150101 1
One of the oldest known fossil scorpions, a new species from the mid-Silurian Eramosa Formation (430 myr) of Ontario, Canada, exhibits several surprising features. The depositional environment and associated biota indicate a marine habitat; however, the leg morphology of this scorpion, which has a short tarsus in common with all Recent scorpions, suggests that a key adaptation for terrestrial locomotion, the ability to support its weight on a subterminal 'foot', appeared remarkably early in the ...[more]