Vipera ammodytes montandoni

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Vipera ammodytes montandoni
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Clade: Tetrapodomorpha
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Vipera
Species: V. ammodytes
Subspecies:V. a. montandoni
Trinomial name
Vipera ammodytes montandoni
Boulenger, 1904
Synonyms
Common names: transdanubian sand viper. [2]

Vipera ammodytes montandoni is a venomous viper subspecies [3] endemic to Bulgaria and southern Romania. [4]

Venomous snakes are species of the suborder Serpentes that are capable of producing venom, which they use for killing prey, for defense, and to assist with digestion of their prey. The venom is typically delivered by injection using hollow or grooved fangs, although some venomous snakes lack well-developed fangs. Common venomous snakes include the families Elapidae, Viperidae, Atractaspididae, and some of the Colubridae. The toxicity of venom is mainly indicated by murine LD50, while multiple factors are considered to judge the potential danger to humans. Other important factors for risk assessment include the likelihood that a snake will bite, the quantity of venom delivered with the bite, the efficiency of the delivery mechanism, and the location of a bite on the body of the victim. Snake venom may have both neurotoxic and hemotoxic properties.

Viperinae subfamily of reptiles

The Viperinae, or viperines, are a subfamily of venomous vipers endemic to Europe, Asia and Africa. They are distinguished by their lack of the heat-sensing pit organs that characterize their sister group, the subfamily Crotalinae. Currently, 12 genera and 66 species are recognized. Most are tropical and subtropical, although one species, Vipera berus, even occurs within the Arctic Circle.

Subspecies taxonomic rank subordinate to species

In biological classification, the term subspecies refers to a unity of populations of a species living in a subdivision of the species' global range and varies from other populations of the same species by morphological characteristics. A subspecies cannot be recognized independently. A species is either recognized as having no subspecies at all or at least two, including any that are extinct. The term is abbreviated subsp. in botany and bacteriology, or ssp. in zoology. The plural is the same as the singular: subspecies.

Contents

Etymology

The subspecific name, montandoni, is in honor of "M. A. Montandon" who sent some of the first specimens of this snake to Boulenger.

In zoological nomenclature, a subspecific name is the third part of a trinomen. In zoology there is only one rank below that of species, namely "subspecies".

George Albert Boulenger Belgian-British zoologist

George Albert Boulenger was a Belgian-British zoologist who described and gave scientific names to over 2,000 new animal species, chiefly fish, reptiles, and amphibians. Boulenger was also an active botanist during the last 30 years of his life, especially in the study of roses.

Description

According to Boulenger (1913): "Naso-rostral shield never reaching the canthus rostralis nor the summit of the rostral shield, which is deeper than broad (once and one seventh to once and a half); rostral appendage clad with 10-14 scales, in three (rarely two or four) transverse series between the rostral shield and the apex. Dorsal scales in 21 rows [at midbody]. Ventral shields 149 to 158; subcaudals 30 to 38. A more or less distinct blotch on the lower lip, involving five to seven labial shields without complete interruption. Lower surface of end of tail yellow." [5]

Rostral scale

The rostral scale, or rostral, in snakes and other scaled reptiles is the median plate on the tip of the snout that borders the mouth opening. It corresponds to the mental scale in the lower jaw. The term pertains to the rostrum, or nose. In snakes, the shape and size of this scale is one of many characteristics used to differentiate species from one another.

Dorsal scales

In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales.

Ventral scales

In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that contacts the paraventral (lowermost) row of dorsal scales on either side. The anal scale is not counted.

Geographic range

Bulgaria and southern Romania. [4]

See also

Snakebite injury caused by a bite from a snake

A snakebite is an injury caused by the bite of a snake, especially a venomous snake. A common symptom of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. Sometimes venom injection from the bite may occur. This may result in redness, swelling, and severe pain at the area, which may take up to an hour to appear. Vomiting, blurred vision, tingling of the limbs, and sweating may result. Most bites are on the hands or arms. Fear following a bite is common with symptoms of a racing heart and feeling faint. The venom may cause bleeding, kidney failure, a severe allergic reaction, tissue death around the bite, or breathing problems. Bites may result in the loss of a limb or other chronic problems. The outcome depends on the type of snake, the area of the body bitten, the amount of venom injected, and the general health of the person bitten. Problems are often more severe in children than adults, due to their smaller size.

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References

  1. ↑ McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN   1-893777-00-6 (series). ISBN   1-893777-01-4 (volume).
  2. ↑ Steward JW. 1971. The Snakes of Europe. Cranbury, New Jersey: Associated University Press (Fairleigh Dickinson University Press). 238 pp. LCCCN 77-163307. ISBN   0-8386-1023-4.
  3. ↑ "Vipera ammodytes montandoni". Integrated Taxonomic Information System . Retrieved 12 August 2006.
  4. 1 2 Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN   0-89464-877-2.
  5. ↑ Boulenger GA. 1913. The Snakes of Europe. London: Methusen & Co. Ltd. 145 pp. PDF at Skopelos Walks Accessed 12 August 2006.

Further reading

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