Vipera seoanei
| Vipera seoanei | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Subfamily: | Viperinae |
| Genus: | Vipera |
| Species: | V. seoanei |
| Binomial name | |
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Vipera seoanei Lataste, 1879 |
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| Distribution of Vipera seoanei. | |
| Synonyms | |
Vipera seoanei is a venomous viper species endemic to extreme southwestern France and the northern regions of Spain and Portugal. Two subspecies are currently recognized, including the nominate race described here.
The specific name, seoanei, is in honor of Spanish naturalist .
Adults may grow to a total length (body + tail) of 75 cm (30 in), but usually less.
This is a highly polymorphic species for which four main color-pattern types have been described:
A: well-developed, brown zigzig pattern down the back, very much like V. berus, set against a beige or light-gray ground color.
B: roughly twin-striped pattern, with the ground color expressed as two narrow, straight, dorsolateral longitudinal lines along the body. Resembles V. kaznakovi to some degree.
C: uniform brownish morph with no pattern.
D: fragmented zigzag pattern (see V. s. cantabrica).
Vipera seoanei is found in extreme southwestern France and the northern regions of Spain and Portugal.
The type locality is given as "In montibus Gallaecorum et Cantabrorum...d'Espagne" (the mountains of Galicia and Cantabrici, Spain).
Mertens and Müller (1928) suggested restricting the type locality to "Cabañas, Prov. Caruña, Spanien". According to Golay et al. (1993), this is Cabañas, near Ferrol, A Coruña province, northwestern Spain.
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