The s.all-eared s.rew genus.Cryptotis.is.the third larges. in the family s.ricidae and occurs.in North,Central,and northern s.uth *** Mexico and Central and s.uth America,mos.s.ecies.inhabit geographically is.lated m...
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The s.all-eared s.rew genus.Cryptotis.is.the third larges. in the family s.ricidae and occurs.in North,Central,and northern s.uth *** Mexico and Central and s.uth America,mos. s.ecies.inhabit geographically is.lated mois.,montane habitats.at middle and high elevations.in a typical s.y-is.and *** 49 recognized s.ecies.have been partitioned into as.many as.s.x s.ecies.groups.bas.d on morphological and molecular phylogenetic *** relations.ips.among thes. s.ecies.groups.are poorly res.lved,and their evolutionary his.ories.including migration patterns.and locomotor adaptations.remain ***,we provide a new phylogeny incorporating complete mitochondrial genomes.mitogenomes.and s.permatrix *** compared different evolutionary s.enarios.us.ng approximately unbias.d(AU),Kis.ino-hasegawa(KH),and s.imodaira-hasegawa(s.)s.atis.ical *** phylogenetic hypothes.s.bas.d on mitogenomes.revealed novel relations.ips.s.pporting a bas.l pos.tion for the Cryptotis.parvus.roup in the genus.and a clos. relations.ip between *** and one clade of the *** former relations.ip is.cons.s.ent with the leas. derived humerus.morphology and northern dis.ribution of the *** latter relations.ip i mplies.multiple migrations.between Central and s.uth *** lack of fine res.lution for the s.ecies.group relations.ips.may be due partly to the lack of taxon *** contras.,multi-approach analys.s.s.gges. that the unres.lved relations.ips.may be a res.lt of rapid divers.fication during the early s.ages.of Cryptotis.evolution.
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