Crotalus

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Related to Crotalus atrox: Western diamondback rattlesnake

Crotalus

 [krot´ah-lus]
a large genus of venomous rattlesnakes with numerous species in North America and others in Central and South America. See also snakebite.

Crotalus

(krot'ă-lŭs),
A genus of rattlesnakes (family Crotalidae) native to North America, having large fangs that are replaced periodically throughout life and a venom that is both neurotoxic and hemolytic. The largest species are the diamondbacks of the southern states (Crotalus adamanteus) and western states (Crotalus atrox); the smallest are the pigmy rattlers (Sistrurus miliarius barbouri, S. miliarius streckeri, and S. miliarius miliarius.
[G. krotalon, a rattle, fr. krotos, a rattling noise]

Crotalus

/Cro·ta·lus/ (kro´tah-lus) a genus of rattlesnakes.

Crotalus

[krot′älus]
a large genus of venomous rattlesnakes with numerous species in North America and others in Central and South America. See also snakebite.

Crotalus


crotalus

a fibrinogen-clotting enzyme found in the venom of Crotalus adamanteus (rattlesnake).
References in periodicals archive ?
Crotalus atrox (Western Diamond-backed Rattlesnake).
Food habits in Oklahoma Crotalus atrox in fall and early spring.
TABLE 1--Total number and percentage of lagomorphs in the diet of adult Crotalus atrox at Montezuma Castle, Tuzigoot, and Tonto national monuments, Arizona.
Eight long-term captive western diamondback rattlesnakes, Crotalus atrox, were observed in this study.
Tetrathyridia (Cestoidea: Cyclophyllidea) in the western diamondback rattlesnake, Crotalus atrox (Serpentes: Viperidae).
Key Words: Crotalus, Crotalus aquilus, Crotalus atrox, Crotalus intermedius, Crotalus molossus, Crotalus scutulatus, Crotalus totonacus, Crotalus triseriatus, range extension.
However, Crotalus atrox females are believed to bear litters each year in Oklahoma (Fitch and Pisani 1993) as do southern populations of the western rattlesnakes, Crotalus viridis (c.
Reproductive activity of male Crotalus atrox and C.
The western diamond-backed rattlesnake, Crotalus atrox, ranges from southeast California to Arkansas and eastern Texas, Arizona, New Mexico and Oklahoma, south to northern Sinaloa and San Luis Potosi, Mexico (Stebbins 1985).
Table 2 Litter sizes for 29 Crotalus atrox females from Arizona.
Similar testicular cycles may also occur in Crotalus scutulatus in which spermiogenesis takes place in July-August and Crotalus atrox in which spermiogenesis takes place in August-September (Jacob et al.
Biennial reproductive cycles have been reported for other North American rattlesnakes: Rahn (1942) for Crotalus viridis, Tinkle (1962) for Crotalus atrox and Goldberg (1999) for Crotalus tigris.