Figure 1:
Talanema eshtiaghii sp. n. (A) neck region; (B) anterior region in lateral median view; (C) anterior region in lateral surface view; (D) female, posterior genital branch; (E): spicules; (F) female, caudal region; (G) female, entire; (H) male, entire; (I) male, caudal region; (J) lateral guiding piece.
Figure 2:
Talanema eshtiaghii sp. n. (A) anterior region in lateral median view; (B) anterior region in lateral surface view; (C) female, entire; (D) female, caudal region; (E) vagina region: (F) female, posterior genital branch; (G) sperm cells; (H) lateral guiding piece; (I) male, caudal region; (J) male, entire; (K) pharyngo-intestinal junction; (L) spicules. (Scale bars: A, B, D–I, K and L = 10 μm, C and J = 100 μm).
Table 1.
Morphometrics of Talanema eshtiaghii sp. n. from Iran. Measurements in μm except L in mm, and in the form: average ± sd (range).
| Locality Province | City of Sufiyan, Roodghat area, Zeinabad village East Azarbaijan | ||
|---|---|---|---|
| Holotype | Paratypes | ||
| n | ♀ | 5♀♀ | 3♂♂ |
| Character | |||
| L | 1.50 | 1.56 ± 0.08 (1.45–1.68) | 1.49 ± 0.04 (1.45–1.53) |
| a | 32 | 29.2 ± 2.1 (27–32) | 27.6 ± 2.1 (27–30) |
| b | 4.3 | 4.5 ± 0.2 (4.3–4.9) | 4.5 ± 0.1 (4.4–4.6) |
| c | 44 | 42.1 ± 7.7 (33–56) | 39.7 ± 3.6 (37–44) |
| c’ | 1.2 | 1.3 ± 0.1 (1.0–1.6) | 1.1 ± 0.1 (1.0–1.3) |
| V | 55 | 56 ± 1.2 (55–58) | - |
| Lip region diameter | 13 | 13.7 ± 0.1 (13–15) | 13.4 ± 0.1 (13–14) |
| Odontostyle length-dorsal side | 18 | 16.4 ± 1.3 (15–18) | 17.3 ± 0.5 (17–18) |
| Odontophore length | 24 | 25.1 ± 1.7 (24–27) | 26.1 ± 0.7 (25–27) |
| Neck length | 344 | 349 ± 10 (341–362) | 322 ± 11 (312–337) |
| Pharyngeal expansion length | 144 | 141.0 ± 7.6 (131–152) | 133.0 ± 2.1 (124–138) |
| Body diameter at neck base | 45 | 51.1 ± 4.3 (45–56) | 52.0 ± 3.3 (49–56) |
| mid-body | 47 | 52.3 ± 2.8 (47–59) | 53.4 ± 3.5 (50–58) |
| anus/cloaca | 27 | 28.3 ± 1.2 (27–30) | 32.3 ± 1.5 (31–34) |
| Prerectum length | 61 | 67 ± 10 (56–81) | 73.4 ± 8.3 (59–97) |
| Rectum/cloaca length | 34 | 34.2 ± 2.8 (30–38) | 59.0 ± 4.1 (58–66) |
| Tail length | 34 | 38.7 ± 3.6 (30–44) | 36.1 ± 3.8 (33–40) |
| Spicules length | - | - | 52.2 ± 3.5 (49–56) |
| Ventromedian supplements | - | - | (14–18) |
Figure 3:
Bayesian 50% majority rule consensus tree of Talanema eshtiaghii sp. n. as inferred from D2–D3 expansion segments of 28S rRNA gene sequence under the GTR+I+G model. Bayesian posterior probabilities are given for each clade. Newly obtained sequence is indicated by bold letters.