FIGURE 4 in From the depths: Heterocaucaseuma deprofundum sp. nov., the world's deepest-occurring millipede (Diplopoda, Chordeumatida, Anthroleucosomatidae) from caves in the western Caucasus

FIGURE 4. Heterocaucaseuma deprofundum sp. nov., paratype male from Krubera-Voronja Cave (IZB). A. Anterior gonopods, anterior view. B. Anterior gonopods, lateral view. C. Anterior gonopods, posterior view. D. Posterior gonopods, posterior view. Abbreviations: a: medial apex; c: coxite; s: medial syncoxal part; t: telopodital remnant; cp: coxal processes; cv: coxal vesicle; d1, d2, d3: denticles; gs: group of setae; lp: lateral part; ls: lamellar structure; sh: lateral shoulder; sp: sternal plate; ss: sternal sac; to: tooth; pmp: posterior protrusion. Scale lines: 0.5 mm.