Calotes, Cuvier, 1817

Boruah, Bitupan, Narayanan, Surya, Deepak, V. & Das, Abhijit, 2022, Morphological and molecular differences in two closely related Calotes Cuvier 1817 (Squamata: Agamidae: Draconinae) with the first record of Calotes medogensis Zhao & Li, 1984 from India, Zootaxa 5219 (5), pp. 433-455 : 449

Identification keys to Calotes of northeast India:

A. Postocular spine present

Nuchal crests well developed.......................................................................................................................................................................... C. emma

Nuchal crests weakly developed......................................................................... 2

2A. 49–52 midbody scale rows.................................................................... C. zolaiking

2.B. 42–46 midbody scale rows....................................................................... C. paulus

B. Postocular spine absent

A pale stripe present below eye from snout to neck................................................... C. geissleri

Pale stripe absent below eye............................................................................. 3

3A. Parallel rows of compressed scales above tympanum absent............................................ C. irawadi

3B. Parallel rows of compressed scales above tympanum present.................................................. .. 4

4A. Black fold on shoulder absent..................................................................... C. maria

4B. Black fold on shoulder present........................................................................... 5

5A. Scales on trunk obliquely and upwardly oriented................................................. C. medogensis

5B. Scales on trunk backwardly oriented............................................................... C. jerdoni