Dibamus montanus Smith, 1921

FIGURE 3. Male lectotype of Dibamus montanus (NHMUK 1946.8.3.3) in preservative.A—right lateral view of the specimen, scale bar equals 10 mm; B—photograph of head scalation (in lateral view); С—cloacal region and hindlimbs (in ventral view). Photographs by Collin Bos.

FIGURE 4. Line drawings of head scalation of the holotype of Dibamus annae sp. nov. ZMMU Re-15720 (A–C), male specimen of D. montanus ZMMU Re-18136 (D–F), and male paralectotype of D. montanus BMNH 1946.8.3.2 (G–I). Head is shown in lateral (A, D, G), dorsal (B, E, H), and ventral (C, F, I) aspects. Scale bar equals 1 mm. Drawings A–F by Nikita S. Kliukin; figures G–I taken from Greer (1985; with permission).

FIGURE 5. Dibamus montanus Smith, 1921 in life. (A) Male specimen ZMMU Re-18136 from Di Linh Town, Di Linh, Lam Dong Province; (B) Male specimen (not collected) from Suoi Lanh, Gung Re, ca. 12 km southwards from Di Linh, Lam Dong Province. Photographs by Parinya Pawangkhanant (A) and Hieu Minh Pham (B).

FIGURE 6. Photographs of head scalation of the holotype of Dibamus annae sp. nov. ZMMU Re-15720 (A–C); and male specimen of D. montanus ZMMU Re-18136 (D–F). Head is shown in lateral (A, D, G), dorsal (B, E, H), and ventral (C, F, I) aspects. Scale bar equals 1 mm. Photographs by Nikita S. Kliukin.

FIGURE 7. Line drawings of cloacal region and hindlimbs of the holotype of Dibamus annae sp. nov. ZMMU Re-15720 (A); and male specimen of D. montanus ZMMU Re-18136 (B). Drawings by Nikita S. Kliukin.

FIGURE 8. Skeletal morphology of the male specimen of Dibamus montanus (ZMMU Re-18136). General view of the skeleton (A); skull in ventral (B), dorsal (C), and lateral (D) views; skeletal structures present in the cloacal region in lateral (E) and ventral (F) views, vertebral column shaded. Terminology follows Greer (1985) and Rieppel (1984). Notes: *—compound bone consists of fused splenial, articular, angular, and supraangular bones (Greer 1985); labial foramina (1)—labial foramina of the maxilla, labial foramina (2)—labial foramina of the dentary.