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FIGURE 6 in Tanymastigites lusitanica sp. nov. (Crustacea: Branchiopoda: Anostraca) from Portugal, first representative of the genus in Europe

FIGURE 6. Tanymastigites lusitanica sp. nov., female. A, head, dorsal view. B, head, left lateral view. C, brood pouch, postgenital somites, telson and cercopods, ventral view. D, brood pouch, postgenital somites and telson, right lateral view. E, the same, dorsal view. Scale bars: A, C, D, E, 1 mm; B, 0.5 mm.

FIGURE 8 in Tanymastigites lusitanica sp. nov. (Crustacea: Branchiopoda: Anostraca) from Portugal, first representative of the genus in Europe

FIGURE 8. Tanymastigites lusitanica sp. nov., male. A, labrum, ventrolateral. B, penes invaginated, ventral view. C, detail of the basal processess of the penes. D, penes everted, ventral view. E, penes everted, dorso-apical view. F, penes everted, left lateral view. Letters in D, E and F correspond to the structures designated as such in the text. Scale bars: A–F, 100 µm.

FIGURE 10 in Tanymastigites lusitanica sp. nov. (Crustacea: Branchiopoda: Anostraca) from Portugal, first representative of the genus in Europe

FIGURE 10. Tanymastigites lusitanica sp. nov., female. A, antennule, tip. B, tip of left antenna, dorsomedial view. C, posterior part of thorax and genital segments showing amplexial groove, dorsal view. D, detail of C, showing the warty outgrowth at the left entrance of the amplexial groove, dorsal view. E, cercopods. F, detail of the cercopods and setae. G, cyst. H, detail of the cyst. Scale bars: A, H, 10 µm; B, F, G, 100 µm; C, E, 500 µm; D, 50 µm.

FIGURE 1 in A Mid Cretaceous representative of the modern scatopsid genus Ectaetia (Diptera: Scatopsidae: Ectaetiinae)

FIGURE 1. Microphotographs of Ectaetia capdoliensis sp. n., holotype IGR.CDL-7, in Cretaceous French amber. A. Habitus (PL: prothoracic leg; mL: mesothoracic leg; ML: metathoracic leg); B. Detail of head; C. Wing with venation nomenclature; D. Inner side of right metatibia and metatarsi. Scale bars represent 0.25 mm.

FIGURE 16 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 16. Schematic map of distribution of Caucasian stygobitic shrimp Troglocaris (Xiphocaridinella) species.

FIGURE 15 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 15. Troglocaris (Xiphocaridinella) fagei Birštein, 1939, male, pcl. 6.5 mm: a—pereiopod III, b—distal segments of pereiopod III, c—distal segments of pereiopod III, d—distal segments of pereiopod III, e—pleopod I, f—pleopod II.

FIGURE 14 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 14. Troglocaris (Xiphocaridinella) fagei Birštein, 1939, female, pcl. 8 mm (a, b), female, pcl 7 mm (c, d), female, pcl. 7 mm (e, f), male, pcl 6.5 mm: a, c, e, g—front of carapace, lateral view, b, d, f, h—front of carapace, dorsal view.

FIGURE 12 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 12. Troglocaris (Xiphocaridinella) kutaissiana (Sadowsky, 1930), female, pcl. 8 mm (a–c), female, pcl 6 mm (d, e), male, pcl. 7 mm (f): a, c, d, f—front of carapace, lateral view, b, e—front of carapace, dorsal view.

FIGURE 7 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 7. Maxilliped III and ambulatory pereiopods of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, female, pcl. 12 mm (a–c, e, f), male, pcl. 12 mm (d): a—maxilliped III, b—same, distal segment, c, d—pereiopod III, e—pereiopod IV, f—pereiopod V.

FIGURE 8 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 8. Dactyli of ambulatory pereiopods of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, female, pcl. 12 mm: a, b—pereiopod III, c—pereiopod V.

FIGURE 10 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 10. Alive coloration of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, males, pcl. 10 and 11 mm, respectively (a, b), non-ovigerous females, pcl. 6 and 7 mm, respectively (c, d), ovigerous female, pcl. 11 mm (e–g): a–e— lateral view, f—dorsal view, g—carapace, dorsal view. Scale 2 mm.

FIGURE 6. Pereiopods I and II in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 6. Pereiopods I and II of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948: female, pcl. 12 mm (a–d), nonovigerous female, pcl. 7 mm (e–g): a, e—pereiopod I, b—chela of pereiopod I, c, f—pereiopod II, d, g—chela of pereiopod II.

FIGURE 5 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 5. Dactyli of ambulatory pereiopods of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, male, pcl. 12 mm: a—distal part of propodus and dactylus of pereiopod III, b—distal part of dactylus of pereiopod III, c—distal part of propodus and dactylus of pereiopod IV, d—distal part of propodus and dactylus of pereiopod V.

FIGURE 4 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 4. Pereiopods of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, male, pcl. 12 mm: a—pereiopod I, b— pereiopod II, c—pereiopod III, d—pereiopod IV, e—pereiopod V.

FIGURE 13 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 13. Troglocaris (Xiphocaridinella) kutaissiana (Sadowsky, 1930), male, pcl. 7 mm: a –pereiopod III, b—distal segment of pereiopod III, c—distal segments of pereiopod IV, d—distal segments of pereiopod V, e, f—appendix interna of pleopod I, g—pleopod II, h—appendix masciuline.

FIGURE 2 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 2. Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, female, pcl. 12 mm (a, b, f–j), male, pcl 12 mm (c–e): a—front of carapace, dorsal view, b, c—front of carapace, lateral view, d, f—telson, e, g—distal margin of telson, h— antennula, i—antenna, j—distolateral margin of exopod of uropods.

FIGURE 3 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 3. Mouthpparts of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, female, pcl. 12 mm: a, b—mandible, c—maxillula, d—maxilla, e—maxilliped I, f—maxilliped II.

FIGURE 1 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 1. General view of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948: a—ovigerous female, pcl. 12 mm, b—non-ovigerous female, pcl. 6 mm, c—male, pcl. 12 mm.

FIGURE 9 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 9. Structure of pleopods I and II of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948, female, pcl. 12 mm (a–c, e, f), male, pcl. 12 mm (d, g, h): a—pleopod I, b–d—endopod of pleopod I, e, g—pleopod II, f—endopod with appendix masculine, h—appendix masculine and appendix interna.

FIGURE 11 in Redescription of the stygobitic shrimp Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 (Decapoda: Caridea: Atyidae) from Agura River, Sochi, Russia, with remarks on other representatives of the genus from Caucasus

FIGURE 11. The landscape of Agura river (a, b) and hydrogen sulfide bathes (c–g), where specimens of Troglocaris (Xiphocaridinella) jusbaschjani Birštein, 1948 were collected.