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FIGURE 5 in Oxynoemacheilus hazarensis, a new species from Lake Hazar in Turkey, with remarks on O. euphraticus (Teleostei: Nemacheilidae)

FIGURE 5. Oxynoemacheilus hazarensis, not preserved, about 65 mm SL; Turkey: North-eastern shore of Lake Hazar.

FIGURE 6. Oxynoemacheilus frenatus, NMW 48552 in Oxynoemacheilus kentritensis, a new species from the upper Tigris drainage in Turkey with remarks on O. frenatus (Teleostei: Nemacheilidae)

FIGURE 6. Oxynoemacheilus frenatus, NMW 48552, syntypes, 70 mm SL, 43 mm SL; Iraq: Tigris River at Mosul.

FIGURE 5 in Oxynoemacheilus kentritensis, a new species from the upper Tigris drainage in Turkey with remarks on O. frenatus (Teleostei: Nemacheilidae)

FIGURE 5. Oxynoemacheilus frenatus, syntype; Iraq: Tigris River at Mosul. Modified from Heckel (1843).

FIGURE 2. Oxynoemacheilus kentritensis, FSJF 3645 in Oxynoemacheilus kentritensis, a new species from the upper Tigris drainage in Turkey with remarks on O. frenatus (Teleostei: Nemacheilidae)

FIGURE 2. Oxynoemacheilus kentritensis, FSJF 3645, paratypes, 79 mm SL, 77 mm SL, 65 mm SL; Turkey: stream Horozdere east of Hizan.

FIGURE 1. Oxynoemacheilus kentritensis, FFR 01566 in Oxynoemacheilus kentritensis, a new species from the upper Tigris drainage in Turkey with remarks on O. frenatus (Teleostei: Nemacheilidae)

FIGURE 1. Oxynoemacheilus kentritensis, FFR 01566, holotype, 67 mm SL; Turkey: stream Kesan south of Güntepe.

FIGURE 4. Oxynoemacheilus kentritensis, FSJF 3645 in Oxynoemacheilus kentritensis, a new species from the upper Tigris drainage in Turkey with remarks on O. frenatus (Teleostei: Nemacheilidae)

FIGURE 4. Oxynoemacheilus kentritensis, FSJF 3645, paratype, 79 mm SL; Turkey: stream Horozdere east of Hizan. Left maxillary barbel lost in this individual.

FIGURE 3. Oxynoemacheilus kentritensis, FSJF 3645 in Oxynoemacheilus kentritensis, a new species from the upper Tigris drainage in Turkey with remarks on O. frenatus (Teleostei: Nemacheilidae)

FIGURE 3. Oxynoemacheilus kentritensis, FSJF 3645, paratypes, 79 mm SL, 77 mm SL, 65 mm SL; Turkey: stream Horozdere east of Hizan.

FIGURE 5. Oxynoemacheilus zarzianus, FSJF 3352 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)

FIGURE 5. Oxynoemacheilus zarzianus, FSJF 3352, paratypes, 62 mm SL, 54 mm SL, 50 mm SL; 39 mm SL; Iraq: stream Kunamasi.

FIGURE 6 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)

FIGURE 6. Oxynoemacheilus zarzianus, from the top, FSJF 3352, paratype, male, 62 mm SL, stream Kunamasi; FSJF 3651, paratype, male, 73 mm SL; 60 mm SL; Iraq: stream Kunamasi; FSJF 3348, paratype, male, 60 mm SL; Iraq: stream in Merga; FSJF 3372, 55 mm SL, female; Iraq: stream Suraw.

FIGURE 1 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)

FIGURE 1. Maximum likelihood estimation of the phylogenetic relationships based on mitochondrial cytochrome b sequences (Tamura-Nei model, discrete Gamma distribution for rate differences with 3 categories +G parameter = 0.5515. Nucleotide positions with less than 98% site coverage were eliminated resulting in 971 analysed base pairs. Numbers of major nodes indicate bootstrap values from 500 pseudoreplicates from the ML, NJ and MP method. The tree is drawn to scale (except to outgroup), with branch lengths measured in number of substitutions per site.

FIGURE 4. Oxynoemacheilus zarzianus, FSJF 3352 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)

FIGURE 4. Oxynoemacheilus zarzianus, FSJF 3352, paratypes, 62 mm SL, 54 mm SL, 50 mm SL; 39 mm SL; Iraq: stream Kunamasi.

FIGURE 17 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 17. Oxynoemacheilus simavicus, first molecular cluster in Sakarya, FSJF 2499, 64 mm SL; Turkey: stream Bayındır.

FIGURE 18 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 18. Oxynoemacheilus simavicus, second molecular cluster in Sakarya, from top: FSJF 1965, 65 mm SL, not preserved, same locality as FSJF 1965, about 55 mm SL; Turkey: Sakarya River; FSJF 3719, 54 mm SL; 55 mm SL; Turkey: stream Asar, Büyük Melen drainage.

FIGURE 16 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 16. Oxynoemacheilus simavicus, first molecular cluster, from top: FSJF 2499, 54 mm SL; 56 mm SL; 59 mm SL; 56 mm SL; Turkey: stream Bayındır, Sakarya drainage.

FIGURE 5 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 5. Oxynoemacheilus bergianus, not catalogued; from top: 43 mm SL; 47 mm SL; Azerbaijan: Lankaran River at Ballabur. 38.7105 48.7730, photos: Boris Levin.

FIGURE 12. Oxynoemacheilus fatsaensis, FFR 15513, 55 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 12. Oxynoemacheilus fatsaensis, FFR 15513, 55 mm SL; FFR 01566, 74 mm SL, 67 mm SL; Turkey: stream Tersakan.

FIGURE 3. Oxynoemacheilus banarescui, FSJF 3122, 78 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 3. Oxynoemacheilus banarescui, FSJF 3122, 78 mm SL; Turkey: stream Davulga; 3169, 70 mm SL; Turkey: stream Devrekani; FSJF 3122, 78 mm SL; Turkey: stream Davulga; FSJF 3119, 67 mm SL; Turkey: Yenice River.

FIGURE 1 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 1. Maximum likelihood estimation of the phylogenetic relationships based on the mitochondrial COI barcode region (GTR model, discrete Gamma distribution for rate differences with 5 categories +G parameter = 0.1781). Nucleotide positions with less than 98% site coverage were eliminated, resulting in 581 analysed positions. Numbers of major nodes indicate bootstrap values above 80 from 1000 pseudoreplicates from the ML, MP and NJ method. Solid black bars right to the specimen labels indicate species demarcation results from PTP followed by the results of the mPTP approach as dashed bars and the ASAP partitions in grey. Note that the dashed bar left extends to the right side including O. parvinae. The tree is drawn to scale (except to the outgroup) with branch lengths depicting number of substitutions per site.

FIGURE 8 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 8. Oxynoemacheilus bergianus from Tigris drainage described as O. longipinnis; not preserved, about 45 mm SL; Iran: Changole River. Photo: Hamed Mousavi-Sabet.

FIGURE 4 in A practical approach to revise the Oxynoemacheilus bergianus species group (Teleostei: Nemacheilidae)

FIGURE 4. Oxynoemacheilus bergianus, left, from top: not preserved, about 60 mm SL; Iran: Qara Chai in Lake Namak basin, photo: Kai Borkenhagen; not preserved, about 60 mm SL; Iran: Lake Urmia basin, photo: Kiavash Golzarianpour; FSJF 2561, 63 mm SL; Turkey: stream Eğri; FSJF 2547, 67 mm SL; Turkey stream Malcılı, both Euphrates drainage; right, from top: FSJF 3429, 71 mm SL; Turkey: stream Arkaçayırlar; not preserved, about 60 mm SL; Turkey: stream west of Eleşkirt; not preserved, about 45 mm SL; same data as FSJF 3180; Turkey: stream 4 km south of Kandilli; FSJF 3674, 59 mm SL; Turkey: stream Kaleli, all from Euphrates drainage.