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Geomyoidea nadrodina grizuniv yaka vklyuchaye suchasnih Geomyidae ta Heteromyidae ta yihnih vikopnih rodichiv GeomyoideaPeriod isnuvannya rannij eocen suchasnistDipodomysBiologichna klasifikaciyaCarstvo Tvarini Animalia Tip Hordovi Chordata Klada Sinapsidi Synapsida Klas Ssavci Mammalia Ryad Mishopodibni Rodentia Pidryad Bobrovidi Castorimorpha Nadrodina GeomyoideaBonaparte 1845Rodini Eomyidae Heliscomyidae Florentiamyidae GeomyidaeHeteromyidaeVikishovishe GeomyidaeHarakteristika red Popri neshozhist za zovnishnim viglyadom Geomyidae ta Heteromyidae protyagom trivalogo chasu ob yednuvalisya v zagalnu nadrodinu Nadrodina Geomyoidea ye odnim iz nebagatoh nadrodinnih zv yazkiv u grizuniv yaki ne viklikayut osoblivih superechok Zagalna morfologiya litopis skam yanilostej molekulyarnij analiz i biogeografiya pidtverdzhuyut cej zv yazok Geomioyidi najbilsh pomitno harakterizuyutsya polozhennyam pidochnoyamkovogo kanalu Na vidminu vid usih inshih grizuniv yaki mayut otvir pidochnoyamkovogo kanalu zvernenij napered geomioyidi mayut pidochnoyamkovij kanal zvernenij ubik Zamist togo shob prohoditi cherez vilichnu kistku pidochnoyamkovij kanal geomioyidiv peremistivsya vbik vid mordi Ce nastilki virazheno a morda nastilki vuzka u geteromid sho pidochnoyamkovi kanali z oboh storin z yednuyutsya Po suti yaksho divitisya na cherep geteromidi zboku glyadach mozhe bachiti pryamo kriz nogo Suchasni geomioyidi zdebilshogo obmezheni Pivnichnoyu Amerikoyu ale deyaki predstavniki rozshirili svij areal u Pivdennu Ameriku pislya Velikogo amerikanskogo obminu Vikopni taksoni vidomi z usiyeyi Lavraziyi Kladograma red Geomyoidea Eomyidae Heliscomyidae Florentiamyidae Geomyidae Heteromyidae Dzherela red Korth W W J H Wahlert and R J Emry 1991 A new species of Heliscomys and recognition of the family Heliscomyidae Geomyoidea Rodentia Journal of Vertebrate Paleontology 11 2 247 256 McKenna Malcolm C and Bell Susan K 1997 Classification of Mammals Above the Species Level Columbia University Press New York 631 pp ISBN 0 231 11013 8 Otrimano z https uk wikipedia org w index php title Geomyoidea amp oldid 38162425