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Descriptor English:   Crotalus 
Descriptor Spanish:   Crotalus 
Descriptor Portuguese:   Crotalus 
Synonyms English:   Rattlesnake
Rattlesnakes  
Tree Number:   B01.050.150.900.833.672.125.937.240.500
Definition English:   A genus of snakes of the subfamily Crotalinae, having a hollowed out pit in the maxillary bone between the eye and nostril. Most of the recognized species are found in the southwestern United States and northern Mexico. Several species are found as far north as Canada and east of the Mississippi, including southern Appalachia. They are named for the jointed rattle (Greek krotalon) at the tip of their tail. (Goin, Goin, and Zug: Introduction to Herpetology, 3d ed; Moore: Poisonous Snakes of the World, 1980, p335). 
History Note English:   94 
Allowable Qualifiers English:  
AB abnormalities AH anatomy & histology
BL blood CF cerebrospinal fluid
CL classification EM embryology
GE genetics GD growth & development
IM immunology IN injuries
ME metabolism MI microbiology
PS parasitology PH physiology
SU surgery UR urine
VI virology  
Record Number:   31537 
Unique Identifier:   D017839 

Occurrence in VHL:
 

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