Riama antioquensis (ARREDONDO, 2013)
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Higher Taxa | Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
Subspecies | |
Common Names | |
Synonym | Anadia antioquensis ARREDONDO 2013 Riama antioquensis — AMÉZQUITA et al. 2022 |
Distribution | Colombia (Antioquia, Tolima) Type locality: Vereda La Cejita (6°30′4′′N, 75°11′ 31′′ W), Municipio de Barbosa, Departamento de Antioquia, Colombia, 1850 m |
Reproduction | |
Types | Holotype: MHUA 10537 (figs 1, 2). Adult male. Collected 2 April, 2000 by Juan M. Daza. Paratype. MHUA 11254 juvenile female, collected in Vereda El Retiro (6°59′ 13′′ N, 75°8′15′′W), Municipio de Anorí, Departa- mento de Antioquia, 1700 m approx. Collected 31 March 2004 by Eliana M. Muñoz. |
Diagnosis | Diagnosis: (1) two prefrontal scales in broad contact; (2) four supraocular scales; (3) single nasal scale, without inferior groove; (4) ten ciliary scales; (5) no inserted scales between the superciliary series and the supraocular scales; (6) no pigmented lower palpebrals; (7) ten supralabial scales; (8) three subocular scales; (9) nine infralabial scales; (10) two postparietal scales; (11) only the first pair of genial scales in medial contact; (12) sub-hexagonal dorsal scales; (13) two transverse rows of dorsal scales for each ventral row; (14) 54-55 transverse rows of dorsal scales; (15) 36-37 transverse rows of dorsal scales between the forward edge of forelimbs and the rear edge of hindlimbs; (16) quadrangular ventral scales; (17) 23-24 transverse rows of ventral scales; (18) 35-36 scales around midbody; (19) 13-15 scales above fourth toe; (20) 18-21 lamellae under fourth toe; (21) ten femoral pores per leg in both sexes; (22) no scales between the femoral pores; (23) 3-5 posterior cloacal plate scales; (24) dorsum with seven longitudinal rows of large black ocelli in a dark brown background; (25) belly cream, males with an irregular dark spot on the base of each ventral scale, juvenile females without ventral pattern, immaculate; (26) hemipenial body with 27 chevron-like flounces by each side; (27) spinulated chevron-like flounces covering the asulcate side of both lobes; (28) spinulated chevron-like flounces not in medial contact in asulcate side; (29) maximum SVL 89 mm. Anadia antioquensis can be distinguished from its congeners by the following characters [A. antioquensis in brackets]: all members of the A. ocellata group (Anadia ocellata, A. petersi, A. rhombifera and A. vittata) and A. bogotensis have a single nasal scale with an inferior groove or completely divided [nasal single without groove], 4-6 suboculars [three], second pair of genial scales in medial contact [separated], one transverse row of dorsal scales for each ventral row [two], 27-43 transverse rows of ventral scales [23-24], and maximum SVL not exceeding 80 mm [89 mm]. Anadia ocellata and A. petersi have 0-2 and A. rhombifera and A. vittata have 1-2 inserted scales between the superciliary series and the supraocular scales, [no inserted scales]. Anadia ocellata and A. rhomb- ifera have 8-9 and A. vittata has 8 ciliary scales [ten]. Anadia ocellata has 27-33 scales around mid- body [35-36], 10-11 scales above fourth toe [13- 15], 14-18 lamellae under fourth toe [18-21] and dorsal pattern with dark mottling, light dor- solateral stripe and lateral black ocelli, all in a bronze olive background [dorsum with large black ocelli], and hemipenial body with 5-7 chevron-like flounces by each side [27]. Anadia petersi has three supraocular scales [four], 1-2 femoral pores in females [ten], and dorsum bronze olive, with or without lateral ocelli [dor- sum with large black ocelli]. Anadia rhombifera has 3-4 postparietals [two], 44-49 transverse rows of dorsal scales [54-55], 28-32 transverse rows of dorsal scales between the forward edge of fore limbs and the rear edge of hind limbs [36-37], 26-34 scales around midbody [35-36], eleven scales above fourth toe [13-15], and 0- 2 femoral pores in females [ten]. Anadia vittata has 2-4 femoral pores in females [ten]. The Colombian endemic Anadia bogotensis has two, occasionally three supraocular scales [four], pigmented lower palpebrals [not pig- mented], 3-4 postparietal scales [two], dorsal scales with rounded posterior edge [sub- hexagonal], 35-46 transverse rows of dorsal scales [54-55], 24-32 scales around midbody [35-36], two scales between femoral pores [0], belly slate-blue or blue-black [belly cream with spotted pattern in adult males, and immacu- late in juvenile females], hemipenial body with seven chevron-like flounces by each side [27]. Table 1 shows a comparison of morphological characters between Anadia antioquensis and all species of the A. bitaeniata group. In the Colombian species of the A. bitaeniata group, A. altaserrania and A. pulchella have a dorsal pattern striped and with transverse bands medially broken in a light brown background respectively [dorsum ocellated]. Additionally, A. pulchella has the hemipenial lobes without chevrons-like flounces on the asulcate side [flounces in the asulcate side of both lobes]. Anadia bumanguesa and A. pamplonensis have the dorsum uniformly light [dorsum ocellated]. Within the Venezuelan species of the A. bitae- niata group, the dorsum in A. bitaeniata is gray-brown with dorsolateral lines, in A. brevifrontalis is slate grey with dark flecks or dorsolateral lines, and in A. hobarti is dark olive, with lateral cream spots [dorsum ocellated]. The belly in A. brevifrontalis is bright blue or grey and in A. hobarti is highly pigmented dark grey [belly cream with spotted pattern in adult males, and immaculate in juvenile females]. A. brevifrontalis has prefrontal scales slightly in contact or separated [in broad contact]. |
Comment | |
Etymology | The specific epithet is a noun in the genitive case, used as a toponym that refers to Antioquia, a Colombian Department, where the specimens were collected. |
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