FIGURE 1. Extant representative of Tanyderidae: Araucoderus gloriosus Alexander, 1920 in natural habitat. Photograph: R. Isai Madriz.

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FIGURE 2. Localities of fossil outcrops (other than “Se”) and extant (“Se”) members of Nannotanyderinae subfam. nov. Abbreviations: B, Baltic region (this study); Do, Dorset of UK ( Nannotanyderus oliviae); Db, Dobbertin of Germany ( N. krzeminskii); G, Grimmen of Germany (N. krzeminskii and N. grimmensis); K, Karatau of Kazakhstan (N. kubekovensis); L, Lebanon ( N. ansorgei); M, Myanmar (Dacochile microsoma); S, Shar-Teg of Mongolia ( N. incertus); and Se, South Ethiopian Region (Peringueyomyina barnardi). Modified from Soszyńska-Maj and Krzemiński (2013, figure 1).

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FIGURE 3. Comparison of external structure of male genitalia (1 and 2; in dorsal views) and wing venation (3 and 4; in dorsal views) in subfamilies. 1, Nannotanyderus ansorgei (JG. 385/2B), Nannotanyderinae. 2, Mischoderus annuliferus Hutton, 1900 (ISEZ PAN collection), Tanyderinae. 3, a new genus of Nannotanyderinae described below (holotype, MP/3376). 4, Mischoderus annuliferus (ISEZ PAN collection), Tanyderinae. Scale equals 0.5 mm.

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FIGURE 4. Drawing of Nannotanyderus oliviae wing venation (I-F/MP/1/1600/12) in dorsal view. Scale equals 0.5 mm.

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FIGURE 5. Drawing of Nannotanyderus krzeminskii wing venation (LGA 1145) in dorsal view. Scale equals 0.5 mm.

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FIGURE 6. Drawing of Nannotanyderus grimmenensis wing venation (LGA 2222) in dorsal view. Scale equals 0.5 mm.

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FIGURE 7. Drawing of Nannotanyderus incertus wing venation (No. 4270/2075) in dorsal view. Scale equals 0.5 mm.

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FIGURE 8. Drawing of Nannotanyderus kubekovensis wing venation (No. 2066/2182) in dorsal view. Scale equals 0.5 mm.

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FIGURE 9. Photographs of Nannotanyderus ansorgei (JG. 385/2B). 1, whole specimen. 2, male genitalia in ventral view. Scale equals 0.5 mm.

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FIGURE 10. Drawings ofNannotanyderus ansorgei (JG. 385/2B). 1, wing venation. 2, male genitalia in dorsal view. Scale equals 0.5 mm.

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FIGURE 11. Photographs of Dacochile microsoma (Bu 1262). 1, whole specimen. 2, male genitalia in lateral view. Scale equals 1 mm.

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FIGURE 12. Drawings of Dacochile microsoma. (Bu 1262). 1, wing venation. 2, male genitalia in lateral view. Scale equals 0.5 mm.

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FIGURE 13. Photographs of Coramus gedanensis gen. et sp. nov. 1, whole specimen (paratype, MP/3377). 2, wing venation (holotype, MP/3376). 3, close-up of head (holotype, MP/3376). 4, close-up of legs (holotype, MP/3376) in lateral view. Scale equals 0.5 mm.

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FIGURE 14. Drawings of Coramus gedanensis gen. et sp. nov. (MP/3376). 1, wing venation. 2, male genitalia in dorsal view. Scale equals 0.5 mm.

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FIGURE 15. Photograph of Peringueyomyina barnardi (ISEZ PAN collection) whole specimen with elongated rostrum in lateral view. Scale equals 1mm.

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FIGURE 16. Drawings of Peringueyomyina barnardi (ISEZ PAN collection). 1, wing venation in dorsal view. 2-4, male genitalia, external built in dorsal view ( 2), aedagal complex in dorsal (3) ventral-lateral (4) views. Scale equals 1 mm.

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