Fig. 3 in Morphology and zoogeography of the burrower-like gammarid Gammarus koshovi (Bazikalova, 1946) (Crustacea, Amphipoda, Gammaridae) - An overlooked and poorly known species in the Siberian fauna

Fig. 3. Gammarus koshovi (Bazikalova, 1946), DAS 16-013, ♀, 8.0 mm. A. Head. B. Antenna I.C. Antenna II. D. Mandible, right. E. Mandible, lacinia mobilis (× 600). F. Mandible, left (part.). G. Lower lip. H. Upper lip. I. Maxilla I, right. J. Maxilla I, outer plate (× 600). K. Palp of maxilla I, left. L. Maxilla II. M. Maxilliped.