但都只有一对乳腺。
种类郝氏鼠耳蝠 (Myotis adversus)Southern myotis (Myotis aelleni)(Myotis alcathoe)Silver-tipped myotis (Myotis albescens)西南鼠耳蝠 (Myotis altarium)缺齿鼠耳蝠 (Myotis annectans)Atacama Myotis (Myotis atacamensis)Southwestern Myotis (Myotis auriculus)Australian Myotis (Myotis australis)Southeastern myotis (Myotis austroriparius) Bechstein's bat (Myotis bechsteini)狭耳鼠耳蝠 (Myotis blythii)Rufous Mouse-eared Bat (Myotis bocagii)Far Eastern Myotis (Myotis bombinus)布氏鼠耳蝠 (Myotis brandti)California myotis (Myotis californicus)节鼠耳蝠 (Myotis capaccinii)Chilean Myotis (Myotis chiloensis)Large Myotis (Myotis chinensis)Western Small-footed Myotis (Myotis ciliolabrum)Guatemalan Myotis (Myotis cobanensis)沼鼠耳蝠 (Myotis dasycneme)Daubenton's bat (Myotis daubentoni)Subspecies Sakhalin myotis (Myotis abei)Kock's Mouse-eared Bat (Myotis dieteri)Dominican Myotis (Myotis dominicensis)Elegant Myotis (Myotis elegans)Geoffroy's Bat (Myotis emarginatus)Long-eared Myotis (Myotis evotis)Findley's Myotis (Myotis findleyi)徘鼠耳蝠 (Myotis formosus)Cinnamon Myotis (Myotis fortidens)长尾鼠耳蝠 (Myotis frater)Malagasy Mouse-eared Bat (Myotis goudoti) Gray bat (Myotis grisescens)Lesser Large-footed Bat (Myotis hasseltii)爪蛙鼠耳蝠 (Myotis horsfieldii)Hosono's Myotis (Myotis hosonoi)伊氏鼠耳蝠 (Myotis ikonnikovi)Insular Myotis (Myotis insularum)Hairy-legged Myotis (Myotis keaysi)Keen's myotis (Myotis keenii)Eastern small-footed myotis (Myotis leibii)Lesueur's Hairy Bat (Myotis lesueuri)Yellowish myotis (Myotis levis)Kashmir Cave Bat (Myotis longipes)Little brown bat (Myotis lucifugus)日本鼠耳蝠 (Myotis macrodactylus)Pallid Large-footed Myotis (Myotis macrotarsus) Schwartz's Myotis (Myotis martiniquensis)Miller's Myotis (Myotis milleri)云南鼠耳蝠 (Myotis montivagus)Morris's Bat (Myotis morrisi)喜马拉雅鼠耳蝠 (Myotis muricola)大鼠耳蝠 (Myotis myotis)须鼠耳蝠 (Myotis mystacinus)纳氏鼠耳蝠 (Myotis nattereri)Curacao Myotis (Myotis nesopolus)Black myotis (Myotis nigricans)Arizona myotis (Myotis occultus)Singapore Whiskered Bat (Myotis oreias)Montane Myotis (Myotis oxyotus)Honshu Myotis (Myotis ozensis)Peninsular Myotis (Myotis peninsularis)北京鼠耳蝠 (Myotis pequinius)Flat-headed Myotis (Myotis planiceps)Frosted Myotis (Myotis pruinosus)Rickett's Big-footed Bat (Myotis ricketti)Ridley's Bat (Myotis ridleyi)Riparian myotis (Myotis riparius)Thick-thumbed Myotis (Myotis rosseti)Red myotis (Myotis ruber )Schaub's Myotis (Myotis schaubi)Scott's Mouse-eared Bat (Myotis scotti)Angolan Hairy Bat (Myotis seabrai)Northern long-eared myotis (Myotis septentrionalis)Mandelli's Mouse-eared Bat (Myotis sicarius) 高颅鼠耳蝠 (Myotis siligorensis)Velvety myotis (Myotis simus)Indiana bat (Myotis sodalis)Kei Myotis (Myotis stalkeri)Fringed Myotis (Myotis thysanodes)Cape Hairy Bat (Myotis tricolor)Cave Myotis (Myotis velifer)Fish-eating Bat (Myotis vivesi)Long-legged myotis (Myotis volans)Welwitsch's Bat (Myotis welwitschii)Yoshiyuki's Myotis (Myotis yesoensis)Yuma Myotis (Myotis yumanensis)科学分类鼠耳蝠属
界：动物界Animalia门：脊索动物门Chordata
纲：哺乳纲Mammalia
目：翼手目Chiroptera
科：蝙蝠科Vespertilionidae
属：
鼠耳蝠属
Myotis
