sistrurus

English Thesaurus

1. pygmy rattlesnakes (noun.animal)

hypernym	:	reptile genus,
definition	:	a genus of reptiles (noun.animal)

member holonym	:	massasauga, massasauga rattler, sistrurus catenatus,
definition	:	pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians (noun.animal)

member meronym	:	crotalidae, family crotalidae,
definition	:	New World vipers: pit vipers (noun.animal)