Sistrurus


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Noun1.Sistrurus - pygmy rattlesnakesSistrurus - pygmy rattlesnakes      
reptile genus - a genus of reptiles
Crotalidae, family Crotalidae - New World vipers: pit vipers
massasauga rattler, Sistrurus catenatus, massasauga - pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
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Agkistrodon, Chiasson et ah, 1989; Crotalus and Sistrurus, Stille, 1987; Nerodia, Thamnophis, Chiasson and Lowe, 1989).
Group Abundance Anurans Extremely abundant (90+% of NISP) Pond turtles (Trachemys, Chrysemys, Very abundant Emydoidea, Chelydra) Snakes (Thamnophis, Nerodia, Abundant Sistrurus, Coluber, Paracoluber, Pantherophis, Heterodon, Paleoheterodon, Lampropeltis, Opheodrys) Rodents (Spermophilus, Geomys, Abundant Symmetrodontomys, Bensonomys, Ogmodontomys, Phophenacomys, Dipoides) Rabbits (Hypolagus) Uncommon Land tortoises (Hesperotestudo) Uncommon Fishes (small catfish and sunfish) Uncommon Salamanders Rare Moles Rare Shrews (Sorex) Rare
Habitats for the western massasauga Sistrurus catenatus, which occupies wet meadows near rocky outcrops (Conant and Collins, 1998) and the northern scarlet snake Cemophora coccinea, which occupies sandy or loose soils in pine and oak forests, is nonexistent on the base.
Among their topics are reconstructing concordance trees and testing the coalescent model from genome-wide data sets, inference of a parsimonious species tree from multilocus data by minimizing deep coalescences, summarizing gene tree incongruence at multiple phylogenetic depths, and estimating species relationships and taxon distinctiveness in Sistrurus rattlesnakes using multilocus data.