| Trimeresurus erythrurus | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Subfamily: | Crotalinae |
| Genus: | Trimeresurus |
| Species: | T. erythrurus |
| Binomial name | |
| Trimeresurus erythrurus (Cantor, 1839) |
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| Synonyms | |
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Trimeresurus erythrurus is a venomous pitviper species found in India, Bangladesh and Burma. No subspecies are currently recognized.[3]
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Males grow to a maximum size 575 mm, of which the tail is 120 mm in length. Females reach a maximum size of 1,045 mm with a tail length of 165 mm.[4]
Scalation: dorsal scales in 23-25 longitudinal rows at midbody; first upper labial partially or completely fused to nasal; 9-13 upper labials, 1-2 rows of scales separate upper labials from the suboculars; 11-14 scales in a line between supraoculars; supraoculars rarely divided; temporal scales small, strongly keeled; ventral scales: males 153-174, females: 151-180; subcaudals: males 62-79, females 49-61, usually paired, occasionally unpaired shields present among paired series.[4]
Color pattern: head uniform green, dorsum bright green, light ventrolateral stripe present in males, present or absent in females (Maslin [1942:23] says that the ventrolateral stripe is absent, but Smith [1943:524] states that it is present in males and variable in females), tail spotted with brown; hemipenes without spines.[4]
Found in eastern India (Assam, Sikkim), Bangladesh, Burma. The original type locality given was as Delta Gangeticum" (Ganges Delta, West Bengal State, eastern India). The type locality given by Boulenger (1896) is "Ganges Delta."[1]