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<document ID-CLB-Dataset="297096" ID-DOI="10.5281/zenodo.7316535" ID-GBIF-Dataset="c1387d80-7836-4181-89bf-68078ab4ab54" ID-ISBN="0-8018-8221-4" checkinTime="1670905267768" checkinUser="guido" docAuthor="Wilson, Don E. &amp; Reeder, DeeAnn" docDate="2005" docId="E34D805A3A7BABE9D7BB359BEC86C2C9" docLanguage="en" docName="MammalSpeciesofTheWorld.2005.Spalacidae.907-926.xml" docOrigin="Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press" docTitle="Myospalax psilurus Milne-Edwards 1874" docType="treatment" docVersion="4" id="A11DBA0A6C0B5DFF91C92FCE8D12B73F" lastPageNumber="912" masterDocId="A11DBA0A6C0B5DFF91C92FCE8D12B73F" masterDocTitle="Order Rodentia - Family Spalacidae" masterLastPageNumber="926" masterPageNumber="907" pageNumber="912" updateTime="1716779754618" updateUser="ExternalLinkService">
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<mods:title id="D930D069D39AA9461648C1B4C311D975">Order Rodentia - Family Spalacidae</mods:title>
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<mods:namePart id="1D9C8253CDBE13A4960059133DDA56FD">Reeder, DeeAnn</mods:namePart>
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<mods:title id="0AB3EBADB703330512BC19924FB5BF84">Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2</mods:title>
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<treatment id="E34D805A3A7BABE9D7BB359BEC86C2C9" ID-DOI="http://doi.org/10.5281/zenodo.11333825" ID-GBIF-Taxon="231539248" ID-Zenodo-Dep="11333825" LSID="urn:lsid:plazi:treatment:E34D805A3A7BABE9D7BB359BEC86C2C9" httpUri="http://treatment.plazi.org/id/E34D805A3A7BABE9D7BB359BEC86C2C9" lastPageNumber="912" pageNumber="912" sourceUrl="http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13000016">
<subSubSection id="F7FEAF88380D88CA6D35CA18ED0D6C2C" pageNumber="912" type="nomenclature">
<paragraph id="2283171EBE85B07BA4E7395ADE155202" pageNumber="912">
<taxonomicName id="970B2BFC6B38368932D79AE314E1CE9D" ID-CoL="4567J" authority="Milne-Edwards 1874" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" pageNumber="912" phylum="Chordata" rank="species" species="psilurus">
<emphasis id="05A81D18FD071D0E90527CAB6455B7BA" italics="true" pageNumber="912">Myospalax psilurus</emphasis>
Milne-Edwards 1874
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="50CDF2FF2E089605C55D836791130F2F" pageNumber="912" type="reference_group">
<paragraph id="9A40E1658C83885CC5EEF276EA59A1A6" pageNumber="912">
<treatmentCitation id="2CD24CC9287105D826651738D031A037" author="Milne-Edwards" authority="Milne-Edwards 1874" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" page="126" pageNumber="912" phylum="Chordata" rank="species" species="psilurus" title="Myospalax psilurus" volumeTitle="Rech. Hist. Nat. Mammiferes" year="1874">
<taxonomicName id="9FFABEE2AF075A5FB4B34221869A600C" ID-CoL="4567J" authority="Milne-Edwards 1874" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" pageNumber="912" phylum="Chordata" rank="species" species="psilurus">
<emphasis id="EC97ED2A22B5E1760F94A81AD12F3323" italics="true" pageNumber="912">Myospalax psilurus</emphasis>
Milne-Edwards 1874
</taxonomicName>
,
<bibCitation id="72341AB489B8185F42298B56106C4E1D" author="Milne-Edwards" pageNumber="912" pagination="126" title="Myospalax psilurus" volumeTitle="Rech. Hist. Nat. Mammiferes" year="1874">Rech. Hist. Nat. Mammiferes: 126</bibCitation>
</treatmentCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="9F0AD8635249C308B9CE0B51957DEFF1" pageNumber="912" type="materials_examined">
<paragraph id="745E687555E0A5CD86797189A465BE24" pageNumber="912">
<emphasis id="11E4705F358A87AB186510FA73AB0F59" inLineHeading="true" pageNumber="912">Type Locality:</emphasis>
<materialsCitation id="6A8689BC38630B8FA2FBF4ED7A77CC55" ID-GBIF-Occurrence="4867323307" country="China" pageNumber="912" stateProvince="Hebei">
<collectingCountry id="D3003EC376D5567BB4A3F5E5799622D8" name="China">China</collectingCountry>
, Chihli (=
<collectingRegion id="C646F2961302CE56FFCC848F8AFBA574" country="China" name="Hebei">Hebei</collectingRegion>
), south of
<collectingRegion id="DDB1661FB47581FEEB0D46E413255FF5" country="China" name="Beijing">Beijing</collectingRegion>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="57C62B649E3D16765C4D745EEB29B888" pageNumber="912" type="vernacular_names">
<paragraph id="46BC3D4E54B44E1A334F3D398D086F7A" pageNumber="912">
<emphasis id="4A129531A77D391BEB51C9FC35B3F5A9" inLineHeading="true" pageNumber="912">Vernacular Names:</emphasis>
<vernacularName id="B47CACFA36A5EEF227573B8EB96B34BF" language="eng" pageNumber="912">
North
<collectingCountry id="D1C04EBC486913305F36C9905E732F90" name="China">China</collectingCountry>
Zokor
</vernacularName>
.
</paragraph>
</subSubSection>
<subSubSection id="7F931F9A38071312D451404447601C3C" pageNumber="912" type="synonym_list">
<paragraph id="AB14DBC7CB430C028D5B0873CDA168D6" pageNumber="912">
<emphasis id="70E18794F1E8045F098148082E52464D" inLineHeading="true" pageNumber="912">Synonyms:</emphasis>
<taxonomicName id="2B7A18FB9F7431DF29E9E1F92E0E6FE3" authority="Thomas 1912" authorityName="Thomas" authorityYear="1912" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" pageNumber="912" phylum="Chordata" rank="species" species="epsilanus">
<emphasis id="C38CD3AEB09604E9E9AB79A1030DB978" italics="true" pageNumber="912">Myospalax epsilanus</emphasis>
Thomas 1912
</taxonomicName>
;
<taxonomicName id="FE88EAB6F221BFDEDF7C7BAC1DF15995" authority="(Trouessart 1897)" baseAuthorityName="Trouessart" baseAuthorityYear="1897" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" pageNumber="912" phylum="Chordata" rank="species" species="spilurus">
<emphasis id="F50A310DF667C569E17A4BC4DA7458BF" italics="true" pageNumber="912">Myospalax spilurus</emphasis>
(
<bibRefCitation id="652F30F0C88E0E381AD1363829D4B838" author="Trouessart, E. L." refId="ref359633" refString="Trouessart, E. L. 1897 - 1905. Catalogus mammalium tam viventium quam fossilium. Quinquennale supplementum anno 1904. [Tomus 1 - 1897; Tomus 2 - 1898; Quinquennale supplementum, fascic. 1 &amp; 2 - 1904; fascic. 3 &amp; 4 -- 1905]. R. Friedlander and Sohn, Berlin, 1 &amp; 2: 1469 pp.; Quin supp: 929 pp." year="1897">Trouessart 1897</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="A7F45082459AF64424CEC570CC3BEB37" pageNumber="912" type="distribution">
<paragraph id="DE6B33CAEA6F22E42DC071136A607E37" pageNumber="912">
<emphasis id="95FAF4E66CACD115EC3EB59A9E9A36BC" inLineHeading="true" pageNumber="912">Distribution:</emphasis>
Agricultural fields and grasslands from NE and C
<collectingCountry id="E219F3F8037F19A3B73EAC95D9622CD2" name="China">China</collectingCountry>
(
<collectingRegion id="2EBC697235AD7FC03785ECCF960FD511" country="China" name="Heilongjiang">Heilongjiang</collectingRegion>
,
<collectingRegion id="B7015BCA287928A8E8EE93CCFE8E990F" country="China" name="Jilin">Jilin</collectingRegion>
,
<collectingRegion id="7896B1505B721F438700BAB6941B562F" country="China" name="Liaoning">Liaoning</collectingRegion>
,
<collectingRegion id="F33AA5DD49717C47E67BF1197D978E43" country="China" name="Nei Mongol">Nei Mongol</collectingRegion>
,
<collectingRegion id="C044F01CECC856EFEF47A81303935A87" country="China" name="Hebei">Hebei</collectingRegion>
,
<collectingRegion id="AB195F640148EA7944A20BF0ED5750D8" country="China" name="Beijing">Beijing</collectingRegion>
,
<collectingCountry id="30897784F18DB7A4083745066D31F524" name="China">Tianjin</collectingCountry>
,
<collectingRegion id="7D393C7ABDF75D6AE7C13AE5669C5B1B" country="China" name="Shandong">Shandong</collectingRegion>
,
<collectingRegion id="A4466F31E2D32C657865E649E3E16BBB" country="China" name="Henan">Henan</collectingRegion>
, N
<collectingRegion id="F5E9DFB693CA9FA1F8943909656916DB" country="China" name="Shaanxi">Shaanxi</collectingRegion>
,
<collectingRegion id="AC3BC28D2105425AF7CEB4252F484A10" country="China" name="Ningxia">Ningxia</collectingRegion>
, N
<collectingRegion id="E2CAAA0FBB078154092F0EB89E272AAE" country="China" name="Gansu">Gansu</collectingRegion>
, and
<collectingRegion id="8EC37400A154CECA9958E24CB7CE8064" country="China" name="Anhui">Anhui</collectingRegion>
; see
<bibRefCitation id="8245CE1C0EEB3368CB1E9CE39267D499" author="Zhang, Y. &amp; S. Jin &amp; G. Quan &amp; S. Li &amp; Z. Ye &amp; F. Wang &amp; M. Zhang" refId="ref405616" refString="Zhang, Y., S. Jin, G. Quan, S. Li, Z. Ye, F. Wang, and M. Zhang. 1997. Distribution of mammalian species in China. China Forestry Publishing House, Beijing, 280 pp." year="1997">Zhang et al., 1997</bibRefCitation>
) to SE Mongolia (
<bibRefCitation id="4B520FB8324F331A1D4BD83F87808AD7" author="Sokolov, V. E. &amp; V. N. Orlov" refId="ref333657" refString="Sokolov, V. E., and V. N. Orlov. 1980. Opredelitel' mlekopitayushchickh Mongol'skoi Narodnoi Respubliki [Guide to the mammals of the Mongolian People's Republic]. Nauka, Moscow, 351 pp. (in Russian)." year="1980">Sokolov and Orlov, 1980</bibRefCitation>
), and adjacent parts of
<collectingCountry id="41EBAE90A324AEF88804455AE08CC6C4" name="Russia">Russia</collectingCountry>
in the
<collectingRegion id="2E32313AAB9A3BA9F5A85AB7837A9B77" country="Russia" name="Amur">Amur region</collectingRegion>
.
</paragraph>
</subSubSection>
<subSubSection id="C9CD3FD7C7BFB9C307CDF15B51EBD98B" pageNumber="912" type="conservation">
<paragraph id="2CFF217F95234A817F0538A73C2D82B8" pageNumber="912">
<emphasis id="129A1F45DF0CA57BC4BB5388364D3052" inLineHeading="true" pageNumber="912">Conservation:</emphasis>
<collectionCode id="51F5088223AD73C1A315C5F59A0067F5">IUCN</collectionCode>
Lower Risk (nt) as
<taxonomicName id="552D8E83D81E2326545125933A7B3EDA" authorityName="Thomas" authorityYear="1912" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="epsilanus">
<emphasis id="825A5E23EDAA3F9AF90D4202E5AD4195" italics="true" pageNumber="912">M. epsilanus</emphasis>
</taxonomicName>
, Lower Risk (lc) as
<taxonomicName id="A4935A68F85214AC641AFB08B977544B" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="psilurus">
<emphasis id="89840B108BB9B9C5B0CB6D4D256E1D32" italics="true" pageNumber="912">M. psilurus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="AF65C9EB71327783D9E033E9A8B52A85" pageNumber="912" type="discussion">
<paragraph id="1549AB4FBD42C274AFBDAD82EF102AE2" pageNumber="912">
<emphasis id="31FE0D04AAF0FF605EE95AFECA9EC945" inLineHeading="true" pageNumber="912">Discussion:</emphasis>
<taxonomicName id="B748E49106FA6FA0C9F1616D4440FA7D" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="psilurus">
<emphasis id="4937D3E4F60C96D1EB34F632659FE7FC" italics="true" pageNumber="912">M. psilurus</emphasis>
</taxonomicName>
species group. Sole member of group, which is defined, except for rootless hypsodonty, by retention of the greatest number of primitive traits of any
<taxonomicName id="95539CFFC4902F709B62DBEE22A9C64E" authorityName="Laxmann" authorityYear="1769" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
<emphasis id="B755A177B846B86C2835BC14EB84CD3B" italics="true" pageNumber="912">Myospalax</emphasis>
</taxonomicName>
studied by
<bibRefCitation id="05C099D418EAFDE47260A6768FE9EEC6" author="Lawrence, M. A." refId="ref207283" refString="Lawrence, M. A. 1991. A fossil Myospalax cranium (Rodentia: Muridae) from Shanxi, China, with observations on Zokor relationships. Pp. 261 - 286, in Contributions to mammalogy in honor of Karl F. Koopman (T. A. Griffiths and D. Klingener, eds.). Bulletin of the American Museum of Natural History, 206: 1 - 432." year="1991">Lawrence (1991)</bibRefCitation>
. The status of the taxon
<taxonomicName id="CFF9711C134B6A12B49E0EF8265D11C4" authorityName="Thomas" authorityYear="1912" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="epsilanus">
<emphasis id="EA7B0298E09F0D9A18135B63B7AED09A" italics="true" pageNumber="912">epsilanus</emphasis>
</taxonomicName>
(type locality, N Manchuria, Khingan Mtns,
<quantity id="367C93928E7A85BA93E5A013FD9161C8" metricMagnitude="3" metricUnit="m" metricValue="1.03632" unit="ft" value="3400.0">3400 ft</quantity>
) has been variously interpreted. It was described as a species (
<bibRefCitation id="B3D6958C62AC411FBC1C50A5FA18BBE8" author="Thomas, O." refId="ref353675" refString="Thomas, O. 1912 b. Revised determinations of two Far-Eastern species of Myospalax. Annals and Magazine of Natural History, ser. 8, 9: 93 - 95." year="1912">
Thomas, 1912
<emphasis id="69F117E0C982C517D0B7292B327094E5" italics="true" pageNumber="912">b</emphasis>
</bibRefCitation>
) but subsequently included in
<taxonomicName id="7BBD35850E67A11A21E34E9CD95BA66A" authority="(Corbet, 1978 c)" baseAuthorityName="Corbet" baseAuthorityYear="1978" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="myospalax">
<emphasis id="9D2BE3B2DC391E8A1BEB5B8B53092AD7" italics="true" pageNumber="912">M. myospalax</emphasis>
(
<bibRefCitation id="366AD5A1147F0C2E13B0C159BB679298" 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="1C093D1EA28FC23B6313D2A6139FB299" italics="true" pageNumber="912">c</emphasis>
</bibRefCitation>
)
</taxonomicName>
or in
<taxonomicName id="22D5F8018F25716AC4C58AAB16A3E513" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="psilurus">
<emphasis id="321D61FB21D0BE7A1B6466BB02783319" italics="true" pageNumber="912">M. psilurus</emphasis>
</taxonomicName>
(
<bibRefCitation id="FEB7CD3543969E5930F6CC90111E764C" author="Ellerman, J. R." refId="ref92857" refString="Ellerman, J. R. 1941. The families and genera of living rodents. Vol. II. Family Muridae. British Museum (Natural History), London, 690 pp." year="1941">Ellerman, 1941</bibRefCitation>
;
<bibRefCitation id="F60C9F32F7EE62ADB30DAC482AAC3021" author="Ellerman, J. R. &amp; T. C. S. Morrison-Scott" refId="ref93180" refString="Ellerman, J. R., and T. C. S. Morrison-Scott. 1951. Checklist of Palaearctic and Indian mammals 1758 to 1946. Trustees of the British Museum (Natural History), London, 810 pp." year="1951">Ellerman and Morrison-Scott, 1951</bibRefCitation>
;
<bibRefCitation id="69852FEA7F6C949B97954BD30A73C1F5" 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="B805EDF0753CE558F1F83B96390887B4" author="Ognev, S. I." refId="ref264461" refString="Ognev, S. I. 1947. Zveri SSSR i prilezhashchikh stran: Gryzuny (prodolzhenie). (Zveri vostochnoi Evropy i severnoi Azii) [Mammals of the USSR and adjacent countries: Rodents (continued). (Mammals of eastern Europe and northern Asia)]. Akademiya Nauk SSSR, 5: 1 - 809 (in Russian)." year="1947">Ognev, 1947</bibRefCitation>
).
<bibRefCitation id="391BFA47D345BF33F0700DE6DCCBFDB3" author="Lawrence, M. A." refId="ref207283" refString="Lawrence, M. A. 1991. A fossil Myospalax cranium (Rodentia: Muridae) from Shanxi, China, with observations on Zokor relationships. Pp. 261 - 286, in Contributions to mammalogy in honor of Karl F. Koopman (T. A. Griffiths and D. Klingener, eds.). Bulletin of the American Museum of Natural History, 206: 1 - 432." year="1991">Lawrence (1991)</bibRefCitation>
recognized
<taxonomicName id="05E452EEEC6729CEF584EB259AF6D572" authorityName="Thomas" authorityYear="1912" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="epsilanus">
<emphasis id="E71145EFDC81F967D3EAC9AC81F8679F" italics="true" pageNumber="912">epsilanus</emphasis>
</taxonomicName>
as a separate species, the most primitive of the
<taxonomicName id="D41E57AED0364B1396A3E8EE009E749B" baseAuthorityName="Corbet" baseAuthorityYear="1978" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="myospalax">
<emphasis id="4E78073C627043133AABC98437213531" italics="true" pageNumber="912">M. myospalax</emphasis>
</taxonomicName>
species group, which also includes Pliocene and Pleistocene fossil species. Her viewpoint has been incorporated into mammalian checklists (
<bibRefCitation id="538973537DDF715780C66D1B46356432" 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="029EE939DC2EA3BC72EE72180745A153" 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>
;
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Pavlinov et al., 1995
<emphasis id="1999658DE909F93EEAB028C79C9D529B" italics="true" pageNumber="912">a</emphasis>
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), but not all Chinese researchers have discriminated the two (
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). Both
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Thomas (1912
<emphasis id="6613B22A00015B1A98E65089AE8C6F4E" italics="true" pageNumber="912">c</emphasis>
)
</bibRefCitation>
and
<bibRefCitation id="EE95C92B21817316CB3DB36AC866C9E5" author="Ognev, S. I." refId="ref264461" refString="Ognev, S. I. 1947. Zveri SSSR i prilezhashchikh stran: Gryzuny (prodolzhenie). (Zveri vostochnoi Evropy i severnoi Azii) [Mammals of the USSR and adjacent countries: Rodents (continued). (Mammals of eastern Europe and northern Asia)]. Akademiya Nauk SSSR, 5: 1 - 809 (in Russian)." year="1947">Ognev (1947)</bibRefCitation>
noted morphological traits distinguishing
<taxonomicName id="AF1C9F5F27B577C5EE60394F2962B82F" authorityName="Thomas" authorityYear="1912" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="epsilanus">
<emphasis id="8C63743018CC40E741FAD7B029A2CE4A" italics="true" pageNumber="912">epsilanus</emphasis>
</taxonomicName>
from
<taxonomicName id="105D52C5B6139A56644219CF700D4F19" authorityName="Milne-Edwards" authorityYear="1874" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="psilurus">
<emphasis id="4195E6CC4170E8474FB039C7E64EDBCD" italics="true" pageNumber="912">psilurus</emphasis>
</taxonomicName>
, but Ognev did not regard them as persuasive specific differences; furthermore, the characters used by
<bibRefCitation id="33CB8B6F275AECDAA873FC4444580722" author="Lawrence, M. A." refId="ref207283" refString="Lawrence, M. A. 1991. A fossil Myospalax cranium (Rodentia: Muridae) from Shanxi, China, with observations on Zokor relationships. Pp. 261 - 286, in Contributions to mammalogy in honor of Karl F. Koopman (T. A. Griffiths and D. Klingener, eds.). Bulletin of the American Museum of Natural History, 206: 1 - 432." year="1991">Lawrence (1991)</bibRefCitation>
to separate the two are qualitative in nature and may reflect individual or geographic variation. Until a more rigorous revision and documentation of geographic variation are provided to illuminate the significance of the contrasting features recorded by
<bibRefCitation id="BE58670CE497DAAA7F5A137E08A60F3F" author="Ognev, S. I." refId="ref264461" refString="Ognev, S. I. 1947. Zveri SSSR i prilezhashchikh stran: Gryzuny (prodolzhenie). (Zveri vostochnoi Evropy i severnoi Azii) [Mammals of the USSR and adjacent countries: Rodents (continued). (Mammals of eastern Europe and northern Asia)]. Akademiya Nauk SSSR, 5: 1 - 809 (in Russian)." year="1947">Ognev (1947)</bibRefCitation>
and
<bibRefCitation id="DB2F46435876CD749DC8CD740FB6B4FD" author="Lawrence, M. A." refId="ref207283" refString="Lawrence, M. A. 1991. A fossil Myospalax cranium (Rodentia: Muridae) from Shanxi, China, with observations on Zokor relationships. Pp. 261 - 286, in Contributions to mammalogy in honor of Karl F. Koopman (T. A. Griffiths and D. Klingener, eds.). Bulletin of the American Museum of Natural History, 206: 1 - 432." year="1991">Lawrence (1991)</bibRefCitation>
, we follow Ognevs arrangement. See account of
<taxonomicName id="CC6DCCE195498CE26A60FBDBB97F1D38" authorityName="Pallas" authorityYear="1776" class="Mammalia" family="Spalacidae" genus="Myospalax" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="aspalax">
<emphasis id="B7CA8A8F25A0EB9448601F526EEDBD96" italics="true" pageNumber="912">M. aspalax</emphasis>
</taxonomicName>
for chromosomal contrasts.
</paragraph>
</subSubSection>
</treatment>
</document>