Insecta - Coleoptera - Carabidae
Alternative spelling: Eosteropus
Parent taxon: Pterostichus according to S. V. Kiselev and V. I. Nazarov 2009
Sister taxa: Pterostichus (Argutor), Pterostichus (Bothriopterus), Pterostichus (Cryobius), Pterostichus (Hypherpes), Pterostichus (Lamenius), Pterostichus (Lenapterus), Pterostichus (Leptoferonia), Pterostichus (Melanius), Pterostichus (Metallophilus), Pterostichus (Phonias), Pterostichus (Pseudomaseus), Pterostichus (Steropus), Pterostichus abnormis, Pterostichus abrogatus, Pterostichus cancellatus, Pterostichus costatus, Pterostichus depletus, Pterostichus destitutus, Pterostichus destructus, Pterostichus distinctus, Pterostichus dormitans, Pterostichus fernquisti, Pterostichus fractus, Pterostichus gelidus, Pterostichus gracilis, Pterostichus gurnetensis, Pterostichus laevigatus, Pterostichus melanarius, Pterostichus minor, Pterostichus minutulus, Pterostichus molestus, Pterostichus niger, Pterostichus nigrita, Pterostichus parens, Pterostichus pumpellyi, Pterostichus strenuus, Pterostichus stygicus, Pterostichus sublaevis, Pterostichus tundrae, Pterostichus vernalis, Pterostichus vetustus, Pterostichus walcotti
Subtaxa: none
Ecology:
Distribution: found only at Ary-Mas outcrop 27, Yana-Indigirka Lowland (Miocene of Russian Federation)