PaleoDB taxon number: 281592
Full reference: R. R. Patrick. 1989. A new phalangiotarbid (Arachnida) from the Mcleansboro Group (Pennsylvanian) of Indiana. Journal of Paleontology 63:327-331
Sister taxa: none
Type specimen: FMNH PE40269, an exoskeleton. Its type locality is Chieftain Number 20 mine spoil pit, which is in a Westphalian D mire/swamp shale in the Shelburn Formation of Indiana.