Typhlops biminiensis

Domínguez, Michel & Moreno, Luis V., 2009, Taxonomy of the Cuban blind snakes (Scolecophidia, Typhlopidae), with the description of a new large species, Zootaxa 2028, pp. 59-66 : 63-64

Key to the T. biminiensis species group of Cuba

1. Preocular in contact with third supralabial only ............................................................... T. lumbricalis species group

- Preocular in contact with second and third supralabials.............................................. 2 ( T. biminiensis species group)

2. 26 anterior scale rows, reducing posteriorly in two or four scale rows ........................................................................ 3

- 22 or 24 anterior scale rows, reducing posteriorly (if occur) to 22 .............................................................................. 4

3. Rostral longer than broad, in dorsal view; <600 middorsal scales .................................................................. T. arator

- Rostral broader than long, in dorsal view;> 600 middorsal scales ............................................................... T. golyathi

4. Rostral with a prominent apical umbo, in dorsal view ................................................................................................. 5

- Rostral no umbo, in dorsal view ................................................................................................................................... 6

5. Rostral long, straight sides and flared on apex, in dorsal view ................................................................. T. anchaurus

- Rostral short, sides curving mesiad to apex and not flared on apex, in dorsal view ............................... T. contorhinus

6. Rostral broadly rounded, almost circular, in dorsal view ............................................................................... T. satelles

- Rostral not broadly rounded, with parallel sides, in dorsal view.................................................................................. 7

7. Scale rows reduction at <15 % TL; pigmentation absent ........................................................................... T. anousius

- Scale rows reduction (if occur) at ≥ 15 % TL; pigmentation present with dorsum darker than venter ....................... 8

8. Scale rows reduction (if occur) at 50 % TL; two parietals wider than long, extending towards the head midline ....... .................................................................................................................................................................. T. perimychus

- Scale rows reduction at 15–40 % TL; two parietals wider than long weakly, not extending towards the head midline ................................................................................................................................................................. T. notorachius