Gnaphosa esyunini Marusik, Fomichev & Omelko 2014

Gnaphosa esyunini es una especie de araña araneomorfa del género Gnaphosa, familia Gnaphosidae.​ Fue descrita científicamente por Marusik, Fomichev & Omelko en 2014.​

Habita en Mongolia.​

Male. Total length 14.4. Carapace: 7.3 long, 5.6 wide. Coloration: carapace and legs brown. Labium, maxillae and sternum dark brown. Chelicerae dark brown, almost black. Abdomen grayish-brown. Spinnerets light brown. Spination: I: Fe d1-1-0, p0-0-1; Ti v0-1-1; Mt v0-2-0. II: Fe d1-1-0, p0-1-1; Ti v0-0-1; Mt v0-2-0. III: Fe d1-1-0, p0-1-1, r0-1-1; Pt p1, r1; Ti d1-0-0, p3-1-1, r2-1-1, v2-2-2; Mt d0-2-0, p2-1-0, r1-1-0, v0-3-2. IV: Fe d1-1-0, p0-1-1, r0-1-1; Pt r1; Ti p2-3-3, r3-2-3, v4-1-4; Mt d0-3-0, p3-4-1, r3-1-0, v3-3-3. Leg article length. I: 5.7+3.3+5.25+4.4+2.65. II: 5.3+3.0+4.75+4.4+2.75. III: 4.85+2.5+3.85+5.05+2.65. IV: 6.0+3.0+5.2+7.25+3.05. Palp as in Figs 7–11; tibial apophysis with parallel margins and triangle-shaped tip; median apophysis relatively large and strong, partly turned due to inflation of distal haematodocha; base of embolus with long spine directed prolaterally and small teeth below the spine; prolateral edge of embolus distinctly serrated. Female. Total length: 15.5. Carapace: 8.3 long, 6.15 wide. Coloration as in male. Spination: I: Fe d1-1-0, p0-0-1; Ti v0-1-1; Mt v0-2-0. II: Fe d1-1-0, p0-1-1; Ti p0-0-1, v0-1-2; Mt p1-0-0, v0-2-0. III: Fe d1-1-0, p0-1-1, r0-1-1; Pt p1, r1; Ti d2-0-0, p3-1-1, r2-1-1, v2-2-2, Mt d0-2-0, p2-1-0, r2-1-0, v2-0-2. IV: Fe d1-1-0, p0-1-1, r0-1-1; Pt r1; Ti p3-1-1, r2-1-2, v2-3-2; Mt d0-2-0, p2-2-0, r2-1-1, v2-1-2. Leg length. I: 5.9+3.6+4.9+3.95+2.8. II: 5.55+3.35+4.55+4.0+2.8. III: 5.05+2.75+3.8+4.7+2.8. IV: 6.15+3.3+5.3+7.1+3.2. Epigyne as in Figs 13–16; fovea very wide, especially in posterior half, 2.2 times wider than scape; scape oval, wider than long, with large hood; lateral pockets long, at an angle of about 45° to epigastral fold; glandular part of receptacles stretched horizontally.

Known only from two localities in Khovd Aimag (Fig. 19).