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<document ID-CLB-Dataset="297059" ID-DOI="10.5281/zenodo.7316535" ID-GBIF-Dataset="bb605a32-1722-403b-9e46-bac664e1a8e5" ID-ISBN="0-8018-8221-4" checkinTime="1670905143547" checkinUser="guido" docAuthor="Wilson, Don E. &amp; Reeder, DeeAnn" docDate="2005" docId="E8A233EBA54CA8AA54931D7372A8C1A0" docLanguage="en" docName="MammalSpeciesofTheWorld.2005.Cricetidae.955-1189.xml" docOrigin="Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press" docTitle="Microtus (Alexandromys) middendorffii Poljakov 1881" docType="treatment" docVersion="4" id="05F3D1847A4743C70A50558FE6B48509" lastPageNumber="1006" masterDocId="05F3D1847A4743C70A50558FE6B48509" masterDocTitle="Order Rodentia - Family Cricetidae" masterLastPageNumber="1189" masterPageNumber="955" pageNumber="1006" updateTime="1716773916032" updateUser="ExternalLinkService">
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<mods:title id="2FD2C3473B732D3450188C775B8BA5EF">Order Rodentia - Family Cricetidae</mods:title>
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<mods:namePart id="4BE57484B73D65B003F4E2D473890FCA">Wilson, Don E.</mods:namePart>
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<mods:namePart id="ECBAD68BB935D9B6E1432154FD4B86D3">Reeder, DeeAnn</mods:namePart>
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<mods:title id="22A6F16D49D679B631CCE79DB2D62E20">Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2</mods:title>
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<treatment id="E8A233EBA54CA8AA54931D7372A8C1A0" ID-GBIF-Taxon="231522644" LSID="urn:lsid:plazi:treatment:E8A233EBA54CA8AA54931D7372A8C1A0" httpUri="http://treatment.plazi.org/id/E8A233EBA54CA8AA54931D7372A8C1A0" lastPageNumber="1006" pageNumber="1006" sourceUrl="http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13000278">
<subSubSection id="066D97578A2945EC5C9DC488E20F4BFE" pageNumber="1006" type="nomenclature">
<paragraph id="7F9C7B0AD15A05F16C692FC7C11A7EEA" pageNumber="1006">
<taxonomicName id="26A2FB1D257FAA556E75BD7D45A7EDF7" ID-CoL="7VVDB" authority="Poljakov 1881" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="middendorffii" subGenus="Alexandromys">
<emphasis id="5993AD24509A919BE067BE0CBDCE1414" italics="true" pageNumber="1006">Microtus (Alexandromys) middendorffii</emphasis>
Poljakov 1881
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="67DE59D05F79BB6BBBAE4F45611AA749" pageNumber="1006" type="reference_group">
<paragraph id="A759A1AFE8E015554689D9B598D4E729" pageNumber="1006">
<treatmentCitation id="A10AD4EAC138E154FBEB12D5C8BC1898" author="Poljakov" authority="Poljakov 1881" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" journal="Mem. Acad. Imp. Sci. St. Petersbourg" kingdom="Animalia" order="Rodentia" page="70" pageNumber="1006" phylum="Chordata" rank="species" species="middendorffii" subGenus="Alexandromys" title="Microtus (Alexandromys) middendorffii" volume="39" year="1881">
<taxonomicName id="A55366D0F9029E5B5BEA70B9ADE17CFB" ID-CoL="7VVDB" authority="Poljakov 1881" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="middendorffii" subGenus="Alexandromys">
<emphasis id="446DF68E153E80B8247D2D5D419DDC70" italics="true" pageNumber="1006">Microtus (Alexandromys) middendorffii</emphasis>
Poljakov 1881
</taxonomicName>
,
<bibCitation id="9F774514C4BFF04E59B8FFBBD9B815BF" author="Poljakov" journal="Mem. Acad. Imp. Sci. St. Petersbourg" pageNumber="1006" pagination="70" title="Microtus (Alexandromys) middendorffii" volume="39" year="1881">Mem. Acad. Imp. Sci. St. Petersbourg, 39: 70</bibCitation>
</treatmentCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="A24317CD25C1D749AC3BA9377A1F6DEF" pageNumber="1006" type="materials_examined">
<paragraph id="E9A0189258EE56E15D45B6253884950A" pageNumber="1006">
<emphasis id="01086A223CD143A0F08621DC959BD1B0" inLineHeading="true" pageNumber="1006">Type Locality:</emphasis>
<materialsCitation id="5F6B2DC4B514989339D7ECCFDB419917" ID-GBIF-Occurrence="4867286752" country="Russia" pageNumber="1006" stateProvince="Krasnoyarsk">
<collectingCountry id="37718FD7923D1228488E04ACEC923362" name="Russia">Russia</collectingCountry>
,
<collectingRegion id="D7257C255FC41FCD49CA27D87D82EE09" country="Russia" name="Krasnoyarsk">Krasnoyarsk Krai</collectingRegion>
, Taimyr Peninsula.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="E52CDF41D983726AF41BD75BB4CF1B9D" pageNumber="1006" type="vernacular_names">
<paragraph id="CA5F7DBACF3662436F8EB892481A9768" pageNumber="1006">
<emphasis id="FC9AE35E3873651DB9E7C782A3DF5397" inLineHeading="true" pageNumber="1006">Vernacular Names:</emphasis>
<vernacularName id="C3F441205A41B222BEFCB4D16E981FEB" language="eng" pageNumber="1006">Middendorf's Vole</vernacularName>
.
</paragraph>
</subSubSection>
<subSubSection id="26F46EDC50B8DF4F44E9A1B65F0A15F8" pageNumber="1006" type="synonym_list">
<paragraph id="ED94A38CED84912D52DED8882E002242" pageNumber="1006">
<emphasis id="539B3482262F0794860BAA885EFA8CDD" inLineHeading="true" pageNumber="1006">Synonyms:</emphasis>
<taxonomicName id="11A2D23A078AAF22CB34D9A399E49388" authority="Vinogradov 1934" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="hyperboreus" subGenus="Alexandromys">
<emphasis id="2E7DF112923548F8C10DE3F9DDB79F50" italics="true" pageNumber="1006">Microtus (Alexandromys) hyperboreus</emphasis>
Vinogradov 1934
</taxonomicName>
;
<taxonomicName id="F2DB8C58FB22E4EBA5FA72ECC209968B" authority="(Middendorf 1853)" baseAuthorityName="Middendorf" baseAuthorityYear="1853" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="obscurus" subGenus="Alexandromys">
<emphasis id="D4A02163E3BCC20C31630F708548733E" italics="true" pageNumber="1006">Microtus (Alexandromys) obscurus</emphasis>
(Middendorf 1853)
</taxonomicName>
;
<taxonomicName id="343312C74AB364EB2654F0166462FCB9" authority="Heptner 1948" authorityName="Heptner" authorityYear="1948" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="ryphaeus" subGenus="Alexandromys">
<emphasis id="0974A3E3F7CCCE83F82A5E6538E99F45" italics="true" pageNumber="1006">Microtus (Alexandromys) ryphaeus</emphasis>
Heptner 1948
</taxonomicName>
;
<taxonomicName id="0883469C5417E8AD8EABA5243F0ECE81" authority="Scalon 1935" authorityName="Scalon" authorityYear="1935" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="swerevi" subGenus="Alexandromys">
<emphasis id="A5EE0A97AB60786A9C11E6C7E9F3A956" italics="true" pageNumber="1006">Microtus (Alexandromys) swerevi</emphasis>
Scalon 1935
</taxonomicName>
;
<taxonomicName id="A500E16418575890044B07F47BAA05E8" authority="Skalon 1935" authorityName="Skalon" authorityYear="1935" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="tasensis" subGenus="Alexandromys">
<emphasis id="3A5EA285C7AFDDEAA451300BA95FAF25" italics="true" pageNumber="1006">Microtus (Alexandromys) tasensis</emphasis>
Skalon 1935
</taxonomicName>
;
<taxonomicName id="E35CC9197FB9DB4A1010AEC2E9CC05E8" authority="Skalon 1935" authorityName="Skalon" authorityYear="1935" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" pageNumber="1006" phylum="Chordata" rank="species" species="uralensis" subGenus="Alexandromys">
<emphasis id="1C0F759DC9D1D8AA17A16DF766F25579" italics="true" pageNumber="1006">Microtus (Alexandromys) uralensis</emphasis>
Skalon 1935
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="0D607909DCA813545B69CE300A9B3918" pageNumber="1006" type="distribution">
<paragraph id="57ABCC0C26CF73BAE8343E1D0F095B42" pageNumber="1006">
<emphasis id="592688CD06C62FB12DF125C99AEEFE11" inLineHeading="true" pageNumber="1006">Distribution:</emphasis>
N Siberia, from the Polar Ural Mtns east through the Yenisey River basin past the N Lena River region to the N Kolyma River area, south in Urals to 62ºN, and in the Lena Valley near Yakutsk (Meyer et al., 1996).
</paragraph>
</subSubSection>
<subSubSection id="4160F20AED15FD1995B7FD0CF80D6D8D" pageNumber="1006" type="conservation">
<paragraph id="F413407009304A1D641A5006235F6E27" pageNumber="1006">
<emphasis id="9BCA4717E443BFCF8E560834D087194C" inLineHeading="true" pageNumber="1006">Conservation:</emphasis>
<collectionCode id="2713F93DAD885DC05EB3A0493EF4F983">IUCN</collectionCode>
Lower Risk (lc) as
<taxonomicName id="4614DADDD639A198B50660CBCB73C75E" baseAuthorityName="Poliakov" baseAuthorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorfii">
<emphasis id="018713E34258BCE796977F751D2AB765" italics="true" pageNumber="1006">M. middendorfii</emphasis>
</taxonomicName>
and
<taxonomicName id="A327A1D5D63A54D483E4A01F7B51D87D" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="hyperboreus">
<emphasis id="8EA4DBB08C6AB39217C181807EDDF7E6" italics="true" pageNumber="1006">M. hyperboreus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="7690D566F850FA8D8576A79B4CB3A13B" pageNumber="1006" type="discussion">
<paragraph id="E63822759DA5AF0DC93C699DA3AD73AF" pageNumber="1006">
<emphasis id="3F20864DA8FDBA26D20ED67D4B8F83B6" inLineHeading="true" pageNumber="1006">Discussion:</emphasis>
<paragraph id="549779C8E920E9B1DFAB2603AFD1C11E" pageNumber="1006">
Subgenus
<taxonomicName id="2964AE3602D9BAF1F588FDE627B22151" baseAuthorityName="Zagorodnyuk" baseAuthorityYear="1990" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="subGenus" subGenus="Alexandromys">
<emphasis id="59811AB3042351E24F703C5BF6C1BA0D" italics="true" pageNumber="1006">Alexandromys</emphasis>
</taxonomicName>
(
<bibRefCitation id="E5EAACFEB00198E747F764608EE81A4F" author="Pavlinov, I. Ya &amp; E. L. Yakhontov &amp; A. K. Agadzhanyan" refId="ref278176" refString="Pavlinov, I. Ya, E. L. Yakhontov, and A. K. Agadzhanyan. 1995 a. [Mammals of Eurasia. I. Rodentia. Taxonomic and geographic guide.] Archives of the Zoological Museum, Moscow State University, 32: 289 pp. (in Russian)." year="1995">
Pavlinov et al., 1995
<emphasis id="AD9392D6BC77DA1BF4A4C7A0BF05E9E9" italics="true" pageNumber="1006">a</emphasis>
</bibRefCitation>
;
<bibRefCitation id="DC89BFE9D9362C73F2CD8AAFAD709204" author="Pavlinov, I. Ya. &amp; O. L. Rossolimo" refId="ref277859" refString="Pavlinov, I. Ya., and O. L. Rossolimo. 1998. [Systematics of mammals of the USSR. Addenda. M.] Archives of the Zoological Museum, Moscow State University, 38: 190 pp. (in Russian)." year="1998">Pavlinov and Rossolimo, 1998</bibRefCitation>
). Also variously included in subgenus
<taxonomicName id="0C641EE161921811946BC3CCF1AA59BF" authority="(Zagorodnyuk, 1990)" baseAuthorityName="Zagorodnyuk" baseAuthorityYear="1990" class="Mammalia" family="Cricetidae" genus="Pallasiinus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
<emphasis id="0118D528D065EC99925ED69B120C0D7C" italics="true" pageNumber="1006">Pallasiinus</emphasis>
(
<bibRefCitation id="6BDD94F67ABC866E9B904FEDC9AF3096" author="Zagorodnyuk, I. V." refId="ref402957" refString="Zagorodnyuk, I. V. 1990. Kariotipicheskaya izmenchivost' i sistematika serykh polevok (Rodentia, Arvicolini). Soobshchenie 1. Vidovoi sostav i khromosomnye chisla [Karyotypic variability and systematics of the gray voles (Rodentia, Arvicolini). Communication 1. Species composition and chromosomal numbers]. Vestnik Zoologii, 2: 26 - 37 (in Russian)." year="1990">Zagorodnyuk, 1990</bibRefCitation>
)
</taxonomicName>
or subgenus
<taxonomicName id="9DEF9BE94AC32E290CD3FC0CC1CBD125" baseAuthorityName="Conroy and Cook" baseAuthorityYear="2000" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
<emphasis id="5680FB202883BE14E18DA748A82E06ED" italics="true" pageNumber="1006">Microtus</emphasis>
</taxonomicName>
(
<bibRefCitation id="78A83266BF74C9313BEEE3B821FA1E51" author="Gromov, I. M. &amp; M. A. Erbajeva" refId="ref130294" refString="Gromov, I. M., and M. A. Erbajeva. 1995. [The mammals of Russia and adjacent territories. Lagomorphs and Rodents.] Russian Academy of Sciences, Zoological Institut, St. Petersburg, 520 pp." year="1995">Gromov and Erbajeva, 1995</bibRefCitation>
;
<bibRefCitation id="F71AE787A5215F1E79D30B1811BD4FA6" author="Gromov, I. M. &amp; I. Ya. Polyakov" refId="ref130339" refString="Gromov, I. M., and I. Ya. Polyakov. 1977. Fauna SSSR, Mlekopitayushchie, tom 3, vyp. 8 [Fauna of the USSR, vol. 3, pt. 8, Mammals]. Polevki [Voles (Microtinae)]. Nauka, Moscow-Leningrad, 504 pp. (in Russian)." year="1977">Gromov and Polyakov, 1977</bibRefCitation>
; Meyer et al., 1996).
<bibRefCitation id="8D3A3F8F828CDB4F694C6A17FEBEB578" author="Meyer, M. N." refId="ref238811" refString="Meyer, M. N. 1983. [Evolution and taxonomic status of common voles of the subgenus Microtus in the fauna of the USSR.] Zoologicheskii Zhurnal, 62: 90 - 101 (in Russian)." year="1983">Meyer (1983)</bibRefCitation>
considered
<taxonomicName id="C8BA6CDAEA39FDBB393B33083F9CE88C" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorffii">
<emphasis id="41621F463C198772A9C1F2EFB172D579" italics="true" pageNumber="1006">M. middendorffii</emphasis>
</taxonomicName>
to be phylogenetically distant from other northern and central Asian species of
<taxonomicName id="D647E6DCF494816F3D69DD77CDC5F906" baseAuthorityName="Conroy and Cook" baseAuthorityYear="2000" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
<emphasis id="62B04D6FCC84591CD7B12CCDF44E05E8" italics="true" pageNumber="1006">Microtus</emphasis>
</taxonomicName>
, but close relationship to
<taxonomicName id="4301D8512149AE78D359099D8DF4FCB1" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="oeconomus">
<emphasis id="8A38044C5B0BE49D28ABFFA839D3CA3A" italics="true" pageNumber="1006">M. oeconomus</emphasis>
</taxonomicName>
broadly supported by analyses of allozymes (
<bibRefCitation id="932347AB47E068B89C5B04ABC8190736" author="Mezhzherin, S. V. &amp; A. E. Zykov &amp; S. Yu. Morozov-Leonov" refId="ref240119" refString="Mezhzherin, S. V., A. E. Zykov, and S. Yu. Morozov-Leonov. 1993. [Biochemical variation and genetic divergence of Palearctic voles (Arvicolidae). Meadow voles, Microtus Schrank, 1798, snow voles, Chionomys Miller, 1908, water voles, Arvicola Lacepede, 1799.] Genetika, 29 (1): 28 - 41 (in Russian with English summary)." year="1993">Mezhzherin et al., 1993</bibRefCitation>
), karyology and morphology (Meyer et al., 1996), and DNA sequences (
<bibRefCitation id="926B043B57D61EC4252F676E9DB3B367" author="Conroy, C. J. &amp; J. A. Cook" refId="ref64940" refString="Conroy, C. J., and J. A. Cook. 2000 a. Molecular systematics of a Holarctic rodent (Microtus: Muridae). Journal of Mammalogy, 81: 344 - 359." year="2000">
Conroy and Cook, 2000
<emphasis id="15C2CF4006B6B692F663D5CEAD11980A" italics="true" pageNumber="1006">a</emphasis>
</bibRefCitation>
).
<bibRefCitation id="7E40C4604A95B79B8B75AFF87D32BC6C" author="Vorontsov, N. N. &amp; L. Ya Martynova" refId="ref377172" refString="Vorontsov, N. N., and L. Ya Martynova. 1976. Population cytogenetics of Altai zokor Myospalax myospalax Laxm. (Rodentia, myospalacinae). Doklady Biological Sciences, 230 (1 - 6): 401 - 404 (translated from Doklady Akademii Nauk SSSR, 230 (2): 447 - 449)." year="1976">Vorontsov and Lyapunova (1976)</bibRefCitation>
considered
<taxonomicName id="003D658EF0F6345AF75CC199C9921FF1" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorffii">
<emphasis id="1E5BB29BD21EE020EAD55E4509B1C691" italics="true" pageNumber="1006">M. middendorffii</emphasis>
</taxonomicName>
(and
<taxonomicName id="E5BE6BA56A3982E105E5609DA08DBC29" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="hyperboreus">
<emphasis id="C4A67FA6AB42FC69E821D1423405265E" italics="true" pageNumber="1006">hyperboreus</emphasis>
</taxonomicName>
) to be chromosomally closely related to North American
<taxonomicName id="6871AA1CA7475CFEC0C11A28708DBD45" authorityName="Osgood" authorityYear="1901" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="miurus">
<emphasis id="753BA935F1D5D3BB3CA72D2A1B17F61B" italics="true" pageNumber="1006">M. miurus</emphasis>
</taxonomicName>
, but cytochrome
<emphasis id="4E6FDC98A29B9B764FBBC4A89372E8FE" italics="true" pageNumber="1006">b</emphasis>
sequences group
<taxonomicName id="E7C98F5D106B1F28DDFF9953D89F87F5" baseAuthorityName="Poliakov" baseAuthorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorffi">
<emphasis id="E90E7626C0BCF6DB4FC03D9B2FA82CBE" italics="true" pageNumber="1006">M. middendorffi</emphasis>
</taxonomicName>
with
<taxonomicName id="45948CDE5B47F0C4DF394A0FD6AC194F" authorityName="Büchner" authorityYear="1889" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="fortis">
<emphasis id="A5E4E3BD10356A4C0E7F8FF9F9DD7E22" italics="true" pageNumber="1006">M. fortis</emphasis>
</taxonomicName>
and Palaearctic species, not
<taxonomicName id="C9CEEB1ACA3488C888209145128B7413" authorityName="Osgood" authorityYear="1901" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="miurus">
<emphasis id="4A1E2AEBB6B8E7A52504AADB57CE6487" italics="true" pageNumber="1006">M. miurus</emphasis>
</taxonomicName>
and North American endemics (
<bibRefCitation id="BE05FE47656EB19859B61BE36FB568AE" author="Conroy, C. J. &amp; J. A. Cook" refId="ref64940" refString="Conroy, C. J., and J. A. Cook. 2000 a. Molecular systematics of a Holarctic rodent (Microtus: Muridae). Journal of Mammalogy, 81: 344 - 359." year="2000">
Conroy and Cook, 2000
<emphasis id="24D813A6E2AE77B6AC67254851249E00" italics="true" pageNumber="1006">a</emphasis>
</bibRefCitation>
). Karyotype documented by
<bibRefCitation id="CC9981D114D0DA94D3EADCBD09CBB676" author="Boyeskorov, G. G. &amp; N. G. Yegorov &amp; Y. V. Revin" refId="ref38609" refString="Boyeskorov, G. G., N. G. Yegorov, and Y. V. Revin. 1993. [Microtus hyperboreus (Mammalia, Rodentia) in south-eastern Yakutia.] Vestnik Zoologi, 1993 (2): 72 - 74 (in Russian with English abstract)." year="1993">Boyeskorov et al. (1993</bibRefCitation>
, as
<taxonomicName id="84878ACBB13586192C44195E1F651A5C" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="hyperboreus">
<emphasis id="3069EBC02A3ACA14552FC78AE60B9ED2" italics="true" pageNumber="1006">hyperboreus</emphasis>
</taxonomicName>
).
</paragraph>
<paragraph id="A244727CEE4EA1B96B50C912224AC883" pageNumber="1006">
The taxon
<taxonomicName id="6609BBEC854EFF0711B28974D1403E5F" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="hyperboreus">
<emphasis id="24773EF0B056AA2B60E756331F75A5C5" italics="true" pageNumber="1006">hyperboreus</emphasis>
</taxonomicName>
has been widely treated as a separate species (
<bibRefCitation id="9E811A974014A11D9CC4AE7F9D70751F" author="Gromov, I. M. &amp; M. A. Erbajeva" refId="ref130294" refString="Gromov, I. M., and M. A. Erbajeva. 1995. [The mammals of Russia and adjacent territories. Lagomorphs and Rodents.] Russian Academy of Sciences, Zoological Institut, St. Petersburg, 520 pp." year="1995">Gromov and Erbajeva, 1995</bibRefCitation>
;
<bibRefCitation id="398F2D62E10E4CB68B50153F0411BE72" author="Gromov, I. M. &amp; I. Ya. Polyakov" refId="ref130339" refString="Gromov, I. M., and I. Ya. Polyakov. 1977. Fauna SSSR, Mlekopitayushchie, tom 3, vyp. 8 [Fauna of the USSR, vol. 3, pt. 8, Mammals]. Polevki [Voles (Microtinae)]. Nauka, Moscow-Leningrad, 504 pp. (in Russian)." year="1977">Gromov and Polyakov, 1977</bibRefCitation>
;
<bibRefCitation id="E8E67883E3736BB3B6F33643E4DC4C42" author="Meyer, M. N." refId="ref238811" refString="Meyer, M. N. 1983. [Evolution and taxonomic status of common voles of the subgenus Microtus in the fauna of the USSR.] Zoologicheskii Zhurnal, 62: 90 - 101 (in Russian)." year="1983">Meyer, 1983</bibRefCitation>
;
<bibRefCitation id="4053E1C2F28E5A52CBDFF79AE1D2CFAF" author="Musser, G. G. &amp; M. D. Carleton" refId="ref252333" refString="Musser, G. G., and M. D. Carleton. 1993. Family Muridae. Pp. 501 - 755, in: Mammal species of the world, a taxonomic and geographic reference, Second ed. (D. E. Wilson and D. M. Reeder, eds.). Smithsonian Institution Press, Washington D. C., xviii + 1206 pp." year="1993">Musser and Carleton, 1993</bibRefCitation>
;
<bibRefCitation id="B26727BA85C9C4260E8D70F1246F009D" author="Pavlinov, I. Ya. &amp; O. L. Rossolimo" refId="ref277815" refString="Pavlinov, I. Ya., and O. L. Rossolimo. 1987. Sistematika mlekopitayushchikh SSSR [Systematics of the mammals of the USSR.]. Moscow University Press, Moscow, 282 pp. (in Russian)." year="1987">Pavlinov and Rossolimo, 1987</bibRefCitation>
;
<bibRefCitation id="D4CD5FE12F0C65F710CFBF4158D9953F" author="Pavlinov, I. Ya &amp; E. L. Yakhontov &amp; A. K. Agadzhanyan" refId="ref278176" refString="Pavlinov, I. Ya, E. L. Yakhontov, and A. K. Agadzhanyan. 1995 a. [Mammals of Eurasia. I. Rodentia. Taxonomic and geographic guide.] Archives of the Zoological Museum, Moscow State University, 32: 289 pp. (in Russian)." year="1995">
Pavlinov et al., 1995
<emphasis id="8424DF24F2F13E32CE2F504B36DB09D2" italics="true" pageNumber="1006">a</emphasis>
</bibRefCitation>
).
<bibRefCitation id="8EC36598E7F4239DFF89FC8644E6B2D3" author="Corbet, G. B." refId="ref67548" refString="Corbet, G. B. 1978 c. The mammals of the Palaearctic region: A taxonomic review. British Museum (Natural History), London, 314 pp." year="1978">
Corbet (1978
<emphasis id="F87C010DF0BF0E3B715B420E3A506B28" italics="true" pageNumber="1006">c</emphasis>
)
</bibRefCitation>
included
<taxonomicName id="84A404D6125B0D8C4A354EA9F029E303" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="hyperboreus">
<emphasis id="461A31D82E5262079D4D3118A8FE32AA" italics="true" pageNumber="1006">hyperboreus</emphasis>
</taxonomicName>
in
<taxonomicName id="A3A1678947A5A8F72A8BD74FB6D28F32" baseAuthorityName="Poliakov" baseAuthorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorffi">
<emphasis id="EAC12326AEA5E63BB2594CF67BD0018A" italics="true" pageNumber="1006">M. middendorffi</emphasis>
</taxonomicName>
based on Gilevas (1972) demonstration of their complete interfertility. Meyer et al. (1996) comprehensively marshalled chromosomal, morphological, and hybridization data that sustain inclusion of
<taxonomicName id="4156263D92127C19E555F66BEF84CAD2" authorityName="Vinogradov" authorityYear="1934" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="hyperboreus">
<emphasis id="2DDAF12F5BC293E9B0867B4153282195" italics="true" pageNumber="1006">hyperboreus</emphasis>
</taxonomicName>
as a subspecies in
<taxonomicName id="3B5C0622887F50B18B6E2AC8A2ACE2BB" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorffii">
<emphasis id="6A4597E907774538AEF9679285FA6CBC" italics="true" pageNumber="1006">M. middendorffii</emphasis>
</taxonomicName>
, along with typical
<taxonomicName id="60E3780168EA1328637FAD927BD6F47A" authorityName="Poljakov" authorityYear="1881" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="middendorffii">
<emphasis id="264AA0A14237F7AE088E0D52D06EF9EC" italics="true" pageNumber="1006">middendorffii</emphasis>
</taxonomicName>
and
<taxonomicName id="3C9D87A338F347A86130401D2DD5C073" authorityName="Heptner" authorityYear="1948" class="Mammalia" family="Cricetidae" genus="Microtus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="ryphaeus">
<emphasis id="96B314BC288D91D559BAA8B726AEC69E" italics="true" pageNumber="1006">ryphaeus</emphasis>
</taxonomicName>
</paragraph>
.
</paragraph>
</subSubSection>
</treatment>
</document>