330 lines
33 KiB
XML
330 lines
33 KiB
XML
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<document ID-CLB-Dataset="297097" ID-DOI="10.5281/zenodo.7316535" ID-GBIF-Dataset="f9373c90-73c5-4ee4-b0f8-4c371f527d91" ID-ISBN="0-8018-8221-4" checkinTime="1670905209323" checkinUser="guido" docAuthor="Wilson, Don E. & Reeder, DeeAnn" docDate="2005" docId="9143693E477C846FFAF2DA5343CEC462" docLanguage="en" docName="MammalSpeciesofTheWorld.2005.Muridae.1189-1531.xml" docOrigin="Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press" docTitle="Rhabdomys Thomas 1916" docType="treatment" docVersion="4" id="A2267A57FF8A65DA07E1D2E970F9422A" lastPageNumber="1494" masterDocId="A2267A57FF8A65DA07E1D2E970F9422A" masterDocTitle="Order Rodentia - Family Muridae" masterLastPageNumber="1531" masterPageNumber="1189" pageNumber="1494" updateTime="1716781534040" updateUser="ExternalLinkService">
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<mods:title id="A59D1E5A191C9A33080FBFD6C98DD3BC">Order Rodentia - Family Muridae</mods:title>
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</mods:titleInfo>
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<mods:name id="3A209D11170315BFD043A02C5A634402" type="personal">
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<mods:namePart id="DB7398FAFE64647836244DB806AC766D">Wilson, Don E.</mods:namePart>
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</mods:role>
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<mods:namePart id="CA05897C9791DB1ABB60D2DDF8FBDF59">Reeder, DeeAnn</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="759E6DD15470A5B8AC5CF41A71CC9642">text</mods:typeOfResource>
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<mods:dateIssued id="2BD827342108E43BF15F219FE804DFAB">2005</mods:dateIssued>
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<mods:publisher id="438DC031A20D5821DAD1BDC78ED2A211">The Johns Hopkins University Press</mods:publisher>
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<mods:titleInfo id="79CFA3EF29754D7749E1442508D5B6E8">
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<mods:title id="FE2F516FC7C50AAB9830DB4A15C4005F">Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2</mods:title>
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</mods:titleInfo>
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<mods:part id="B4AB312F9DBAB06D4866AA60FB77AE65">
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<mods:start id="39199493AACA0A5751588D25EC968682">1189</mods:start>
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<mods:end id="DF0715F0E84524A970716A58947F7895">1531</mods:end>
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<mods:classification id="FA97C1DA80B191DDED1F58FA4BF2085B">book chapter</mods:classification>
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<mods:identifier id="F8C92870344A73180D4610807CDB0E45" type="ISBN">0-8018-8221-4</mods:identifier>
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<mods:identifier id="861752C3283393C1BE7331A74427F669" type="DOI">10.5281/zenodo.7316535</mods:identifier>
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</mods:mods>
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<treatment id="9143693E477C846FFAF2DA5343CEC462" ID-GBIF-Taxon="231540022" LSID="urn:lsid:plazi:treatment:9143693E477C846FFAF2DA5343CEC462" httpUri="http://treatment.plazi.org/id/9143693E477C846FFAF2DA5343CEC462" lastPageNumber="1494" pageNumber="1494" sourceUrl="http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13001794">
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<subSubSection id="D970E39C5948F6CBD65E25E45D66F3C8" pageNumber="1494" type="nomenclature">
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<paragraph id="E249F76751EF74A73081BC71F2758A49" pageNumber="1494">
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<taxonomicName id="6391A369590A7FE68A2275AD3485F197" ID-CoL="783W" authority="Thomas 1916" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" pageNumber="1494" phylum="Chordata" rank="genus">
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<emphasis id="FCC37ABD3B9DC2BC5174FDB6312E8EF9" italics="true" pageNumber="1494">Rhabdomys</emphasis>
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Thomas 1916
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="DF5F9F6E93973B72E829DC7F635F2E73" pageNumber="1494" type="reference_group">
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<paragraph id="E8DCFE3BC31647B7D252E80AD563BD95" pageNumber="1494">
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<treatmentCitation id="D17F2F073CAC3C5C85D617286234E500" author="Thomas" authority="Thomas 1916" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" journal="Ann. Mag. Nat. Hist., ser. 8" kingdom="Animalia" order="Rodentia" page="69" pageNumber="1494" phylum="Chordata" rank="genus" title="Rhabdomys" volume="18" year="1916">
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<taxonomicName id="6D02FC10B44AA86126E1B10F2870EEFB" ID-CoL="783W" authority="Thomas 1916" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" pageNumber="1494" phylum="Chordata" rank="genus">
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<emphasis id="ADE2FCC6BC18185955259290E34B32E5" italics="true" pageNumber="1494">Rhabdomys</emphasis>
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Thomas 1916
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</taxonomicName>
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,
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<bibCitation id="FE84659A90EACB63D8CBEB2458753248" author="Thomas" journal="Ann. Mag. Nat. Hist., ser. 8" pageNumber="1494" pagination="69" title="Rhabdomys" volume="18" year="1916">Ann. Mag. Nat. Hist., ser. 8, 18: 69</bibCitation>
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</treatmentCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="2658A3FAD45657E3F86F2590904440CC" pageNumber="1494" type="type_taxon">
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<paragraph id="4EA8FD742CEF9006B2E163B53DA15B32" pageNumber="1494">
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<emphasis id="93B263A6B5961C76DADB7D7E0182D4B5" inLineHeading="true" pageNumber="1494">Type Species:</emphasis>
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<taxonomicName id="1E0B562D3278873C3B57127184A119FA" authority="Sparrman 1784" authorityName="Sparrman" authorityYear="1784" class="Mammalia" family="Muridae" genus="Mus" kingdom="Animalia" order="Rodentia" pageNumber="1494" phylum="Chordata" rank="species" species="pumilio">
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<emphasis id="69CDF7D152F307F18909C29BD02EFD80" italics="true" pageNumber="1494">Mus pumilio</emphasis>
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Sparrman 1784
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="38E945DFA52115A37CFBD2C852EDC595" pageNumber="1494" type="child_taxa">
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<paragraph id="156C933CC11BFB8BCBBD703163D7FB4B" pageNumber="1494">
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<emphasis id="CBCEBAAC976520B5FCD3B1C1F6F60766" inLineHeading="true" pageNumber="1494">Species and subspecies:</emphasis>
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2 species:
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</paragraph>
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<paragraph id="3CD1FE93BF50BB560D98B56BACB541AC" pageNumber="1494">
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Species
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<taxonomicName id="7D8920055B03E0916D5A04F43946731B" authority="(De Winton 1897)" baseAuthorityName="De Winton" baseAuthorityYear="1897" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" pageNumber="1494" phylum="Chordata" rank="species" species="dilectus">
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<emphasis id="9C1E2211CBD1C360D4CFF3D93B9BB0B4" italics="true" pageNumber="1494">Rhabdomys dilectus</emphasis>
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(De Winton 1897)
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</taxonomicName>
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</paragraph>
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<paragraph id="9870B1ED40837B019CF24C72787D6A8B" pageNumber="1494">
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Species
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<taxonomicName id="44068D38E456DF732E13AD3F19CAF832" authority="(Sparrman 1784)" baseAuthorityName="Sparrman" baseAuthorityYear="1784" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" pageNumber="1494" phylum="Chordata" rank="species" species="pumilio">
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<emphasis id="9446D171567BA1489F48137B5AADAEB3" italics="true" pageNumber="1494">Rhabdomys pumilio</emphasis>
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(Sparrman 1784)
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="D4D95B3555E4360084618DBA78A0A583" pageNumber="1494" type="discussion">
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<paragraph id="CCCB50A5B07D212A9BBE8A12BFDCC9C1" pageNumber="1494">
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<emphasis id="0BECAC2C361728A6D6AC1EF6F5820ECD" inLineHeading="true" pageNumber="1494">Discussion:</emphasis>
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<paragraph id="F076B11726678462C06E146AE8832DD9" pageNumber="1494">
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<taxonomicName id="7CC798E4EE084716DE65D7770773267E" class="Mammalia" family="Muridae" genus="Arvicanthis" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="4147F8627265C8F111BDB1F6A53CA9A5" italics="true" pageNumber="1494">Arvicanthis</emphasis>
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</taxonomicName>
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Division. Morphological traits place
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<taxonomicName id="BC290FBE3F45D67C4B8171B1429D52B6" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="64B1A22A1E36D13A7940B8A11366D1D6" italics="true" pageNumber="1494">Rhabdomys</emphasis>
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</taxonomicName>
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in a group containing species of
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<taxonomicName id="EA9FADA7AA6275844F82B2DB91FCC13B" class="Mammalia" family="Muridae" genus="Arvicanthis" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="E9B9C2458ADAFCAD99F05BE8D5B0B915" italics="true" pageNumber="1494">Arvicanthis</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="F30A79F201E9A8596858867B9642E67E" authorityName="Trouessart" authorityYear="1881" class="Mammalia" family="Muridae" genus="Lemniscomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="41CAC19B70EE8CB5AC97A41028709A3D" italics="true" pageNumber="1494">Lemniscomys</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="B286F08EB0A0E0BC62508A0441B71BCD" class="Mammalia" family="Muridae" genus="Mylomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="793A392C6029C96DE5D9E356EB469A3E" italics="true" pageNumber="1494">Mylomys</emphasis>
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</taxonomicName>
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, and
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<taxonomicName id="6B1DE4F13B82C7DF8EA06A165F396476" authority="(Musser, 1987 b)" baseAuthorityName="Musser" baseAuthorityYear="1987" class="Mammalia" family="Muridae" genus="Pelomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="752CBEF8A977DACABE84CEBEF79C2D8C" italics="true" pageNumber="1494">Pelomys</emphasis>
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(
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<bibRefCitation id="20BD0BBEAFA808BA851EE1F53427E39B" author="Musser, G. G." refId="ref252040" refString="Musser, G. G. 1987 b. The occurrence of Hadromys (Rodentia: Muridae) in early Pleistocene Siwalik strata in northern Pakistan and its bearing on biogeographic affinities between Indian and northeastern African murine faunas. American Museum Novitates, 2883: 1 - 36." year="1987">
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Musser, 1987
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<emphasis id="BDA63823B3D3F0B1800F5A9D6451A92E" italics="true" pageNumber="1494">b</emphasis>
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</bibRefCitation>
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)
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</taxonomicName>
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, which is corroborated by analysis of mitochondrial gene sequences (cytochrome
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<emphasis id="22E18708DE4969BC037AB2135D14B0D5" italics="true" pageNumber="1494">b</emphasis>
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, 12S and 16S rRNA gene fragments), and also includes
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<taxonomicName id="D4DD89E98812F8D91032FC9CDA4DB14B" authority="(Ducroz et al., 2001)" baseAuthorityName="Ducroz" baseAuthorityYear="2001" class="Mammalia" family="Muridae" genus="Desmomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="9D3CD72C3BB025A0650B8014C21E4485" italics="true" pageNumber="1494">Desmomys</emphasis>
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(
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<bibRefCitation id="9EDCB22787C8E5946EC4875A90D8F33A" author="Ducroz, J. - F. & V. Volobouev & L. Granjon" refId="ref89321" refString="Ducroz, J. - F., V. Volobouev, and L. Granjon. 2001. An assessment of the systematics of Arvicanthine Rodents using mitochondrial DNA sequences: Evolutionary and biogeographical implications. Journal of Mammalian Evolution, 8: 173 - 206." year="2001">Ducroz et al., 2001</bibRefCitation>
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)
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</taxonomicName>
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. The sequence data of Ducroz et al. also indicate that within this arvicanthine cluster,
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<taxonomicName id="85176B6037343C9EB345D82A37F5ECE8" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="9F4B5C25A71215778B8A47B7DB6B29B4" italics="true" pageNumber="1494">Rhabdomys</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4FE03B748FAF6A2CC4B122CB28DC5ABE" class="Mammalia" family="Muridae" genus="Desmomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="B1E213FBE9DA695BC5FFB8E6089A4CF6" italics="true" pageNumber="1494">Desmomys</emphasis>
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</taxonomicName>
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are members of a lineage separate from that comprised of only
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<taxonomicName id="0AD6744D07C2909530938643D159053E" authorityName="Trouessart" authorityYear="1881" class="Mammalia" family="Muridae" genus="Lemniscomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="9A2E0094EF2B70146F1BC5A97CFE8293" italics="true" pageNumber="1494">Lemniscomys</emphasis>
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</taxonomicName>
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, and from another containing
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<taxonomicName id="1AFA282781CBB8DB7385613B05DC378E" class="Mammalia" family="Muridae" genus="Arvicanthis" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="7A2857224A025ADD79B9BBA6C5ABBD97" italics="true" pageNumber="1494">Arvicanthis</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="5995D0255B5F90CAC600095EEF81DA6B" class="Mammalia" family="Muridae" genus="Mylomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="53F757C2A6049C5E0634CC8D0D756E48" italics="true" pageNumber="1494">Mylomys</emphasis>
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</taxonomicName>
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, and
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<taxonomicName id="B38C4AD1E068BAFBF6950905B0E84CCE" baseAuthorityName="Musser" baseAuthorityYear="1987" class="Mammalia" family="Muridae" genus="Pelomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="1914DAA815208777A4823F91D1253A05" italics="true" pageNumber="1494">Pelomys</emphasis>
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</taxonomicName>
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. Analysis of microcomplement fixation of albumin groups
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<taxonomicName id="20B2A0DFA2E92B9606CC2FB1F5A3F12D" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="F64523878E632779B33BFD23FC6FA800" italics="true" pageNumber="1494">Rhabdomys</emphasis>
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</taxonomicName>
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with
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<taxonomicName id="316CC5257AF669D01C0CCEE588108CE4" authorityName="Trouessart" authorityYear="1881" class="Mammalia" family="Muridae" genus="Lemniscomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="DDB437285C9308DA600B45873660AF5B" italics="true" pageNumber="1494">Lemniscomys</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="292977E604CAD35F52416426FF99F0B1" baseAuthorityName="Musser" baseAuthorityYear="1987" class="Mammalia" family="Muridae" genus="Pelomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="68C2C24BAD95CE962A3F2A027A4C4C86" italics="true" pageNumber="1494">Pelomys</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="1C9690ED8D22AC61423C802D179AA255" authorityName="Thomas" authorityYear="1915" class="Mammalia" family="Muridae" genus="Grammomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
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<emphasis id="0B699C4DED96FDB66C55CFB8F87B6503" italics="true" pageNumber="1494">Grammomys</emphasis>
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</taxonomicName>
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, and
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<taxonomicName id="D28D37047E30DB6A99EBF28E457668AF" authority="(Watts and Baverstock, 1995 a)" baseAuthorityName="Watts and Baverstock" baseAuthorityYear="1995" class="Mammalia" family="Muridae" genus="Thallomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
|
||
|
|
<emphasis id="3B2E132A1B7C5DBC5DCB9A77A01C49D6" italics="true" pageNumber="1494">Thallomys</emphasis>
|
||
|
|
(
|
||
|
|
<bibRefCitation id="7FA10C7E2D719F976A2E0CA3CCD89487" author="Watts, C. H. S. & P. R. Baverstock" refId="ref384460" refString="Watts, C. H. S., and P. R. Baverstock. 1995 a. Evolution in some African Murinae (Rodentia) assessed by microcomplement fixation of albumin. Journal of African Zoology, 109: 423 - 433." year="1995">
|
||
|
|
Watts and Baverstock, 1995
|
||
|
|
<emphasis id="9C0779D7CE28A9ED32A01D02A23B1A52" italics="true" pageNumber="1494">a</emphasis>
|
||
|
|
</bibRefCitation>
|
||
|
|
)
|
||
|
|
</taxonomicName>
|
||
|
|
.
|
||
|
|
</paragraph>
|
||
|
|
<paragraph id="7DBEE50D347E14A97A2F13A3B3B82209" pageNumber="1494">
|
||
|
|
When
|
||
|
|
<bibRefCitation id="3C4ED0ADC91B741B0BBBB1634A62D50D" author="Wroughton, R. C." refId="ref395340" refString="Wroughton, R. C. 1905 b. Notes on the various forms of Arvicanthis pumilio, Sparrm. Annals and Magazine of Natural History, ser. 7, 16: 629 - 639." year="1905">
|
||
|
|
Wroughton (1905
|
||
|
|
<emphasis id="F4A79E02F44A4B5FA362BD09D2910E03" italics="true" pageNumber="1494">b</emphasis>
|
||
|
|
)
|
||
|
|
</bibRefCitation>
|
||
|
|
reviewed
|
||
|
|
<taxonomicName id="8B4255E5286B2F018B756746B2FFD889" baseAuthorityName="Sparrman" baseAuthorityYear="1784" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pumilio">
|
||
|
|
<emphasis id="A0B695AB6E633EC0985F9CC9D8F17E96" italics="true" pageNumber="1494">R. pumilio</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
, he distinguished four morphological groups, each with different forms, and although unsure about the taxonomic status to give the forms, thought each group represented a separate species. Distribution of character variation, however, forced him to conclude that (p. 630) "in view of the absolute identity of pattern, the variability of coloration, and the difficulty of deciding the inter-relationship of the different forms, the simpler and safer way is to call them all subspecies of the original species
|
||
|
|
<taxonomicName id="778077176BA38E2D052D49960B25B666" baseAuthorityName="Sparrman" baseAuthorityYear="1784" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pumilio">
|
||
|
|
<emphasis id="C64B0E7298B2F041B83B11FC36C80C79" italics="true" pageNumber="1494">pumilio</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
." Wroughton's view prevails today. Checklists (G. M.
|
||
|
|
<bibRefCitation id="56838D0D16BB29B7ECADAFE66555D9A8" author="Allen, G. M." refId="ref4894" refString="Allen, G. M. 1939. A checklist of African mammals. Bulletin of the Museum of Comparative Zoology at Harvard College, 83: 1 - 763." year="1939">Allen, 1939</bibRefCitation>
|
||
|
|
;
|
||
|
|
<bibRefCitation id="2758320BE58EB6E11DFC536556D2F240" 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>
|
||
|
|
; Ellerman et al., 1953), faunal studies (e.g.,
|
||
|
|
<bibRefCitation id="532B297FA0E04BE832C32BC18A140DFF" author="Ansell, W. F. H." refId="ref11178" refString="Ansell, W. F. H. 1978. The mammals of Zambia. National Parks and Wildlife Service, Chilanga, 126 pp." year="1978">Ansell, 1978</bibRefCitation>
|
||
|
|
;
|
||
|
|
<bibRefCitation id="750F2B2B4DF256B89042DACC2EDCD3FC" author="Ansell, W. F. H. & R. J. Dowsett" refId="ref11419" refString="Ansell, W. F. H., and R. J. Dowsett. 1988. Mammals of Malawi: An annotated check list and atlas. Trendrine Press, Zennor, St. Ives, United Kingdom, 170 pp." year="1988">Ansell and Dowsett, 1988</bibRefCitation>
|
||
|
|
;
|
||
|
|
<bibRefCitation id="5CD0C1070D62AC32BDA6AE755BE04DD0" author="Roberts, A." refId="ref306581" refString="Roberts, A. 1951. The mammals of South Africa. Trustees of " The mammals of South Africa " book fund, Johannesburg, 700 pp." year="1951">Roberts, 1951</bibRefCitation>
|
||
|
|
;
|
||
|
|
<bibRefCitation id="CAF35945D8B3FFFDC2039A4C2207A29D" author="Skinner, J. D. & R. H. N. Smithers" refId="ref329484" refString="Skinner, J. D., and R. H. N. Smithers. 1990. The mammals of the southern African subregion. Second ed. University of Pretoria, Republic of South Africa, 771 pp." year="1990">Skinner and Smithers, 1990</bibRefCitation>
|
||
|
|
;
|
||
|
|
<bibRefCitation id="EE3BD735E6E539203B382A448779DA71" author="Smithers, R. H. N." refId="ref331875" refString="Smithers, R. H. N. 1971. The mammals of Botswana. Museum Memoir, National Museums of Rhodesia, Salisbury, 4: 1 - 340." year="1971">Smithers, 1971</bibRefCitation>
|
||
|
|
), a study of possible influences of climate on length of tail (
|
||
|
|
<bibRefCitation id="068ACF7ADD23FECBBCAEB79F7FB7030C" author="Coetzee, C. G." refId="ref63726" refString="Coetzee, C. G. 1970. The relative tail-length of striped mice Rhabdomys pumilio Sparrman 1784 in relation to climate. Zoologica Africana, 5: 1 - 6." year="1970">Coetzee, 1970</bibRefCitation>
|
||
|
|
), and preliminary studies on geographic variation (see
|
||
|
|
<bibRefCitation id="7929FF2BB30E0E18312180699C505876" author="Meester, J. A. J. & I. L. Rautenbach & N. J. Dippenaar & C. M. Baker" refId="ref236076" refString="Meester, J. A. J., I. L. Rautenbach, N. J. Dippenaar, and C. M. Baker. 1986. Classification of southern African mammals. Transvaal Museum Monograph, 5: 1 - 359." year="1986">Meester et al., 1986:275</bibRefCitation>
|
||
|
|
) have not critically analyzed patterns of variation in pelage coloration and pattern along with morphology to assess whether only one or several species exist. Interpopulation breeding studies (
|
||
|
|
<bibRefCitation id="52CF18DFFC2686BA6EE940F55FE044F0" author="Pillay, N." refId="ref286639" refString="Pillay, N. 2000. Reproductive isolation in three populations of the striped mouse Rhabdomys pumilio (Rodentia, Muridae): Interpopulation breeding studies. Mammalia, 64 (4): 461 - 470" year="2000">Pillay, 2000</bibRefCitation>
|
||
|
|
) and allozymic analyses (
|
||
|
|
<bibRefCitation id="ABF7B5BB1A4761CAEA73963ED36D2525" author="Mahida, H. & G. K. Campbell & P. J. Taylor" refId="ref221833" refString="Mahida, H., G. K. Campbell, and P. J. Taylor. 1999. Genetic variation in Rhabdomys pumilio (Sparrman 1784) - an allozyme study. South African Journal of Zoology, 34 (3): 91 - 101." year="1999">Mahida et al., 1999</bibRefCitation>
|
||
|
|
) of South African populations have provided new comparative data, but these results are ambiguous in ascertaining whether more than one species is represented among the samples. Analysis of the allozymic data resulted in ranges of genetic similarities suggesting different subspecies were involved, if supported by other evidence, which
|
||
|
|
<bibRefCitation id="A45713F8B751B33D76D8BF183C5BBEB0" author="Mahida, H. & G. K. Campbell & P. J. Taylor" refId="ref221833" refString="Mahida, H., G. K. Campbell, and P. J. Taylor. 1999. Genetic variation in Rhabdomys pumilio (Sparrman 1784) - an allozyme study. South African Journal of Zoology, 34 (3): 91 - 101." year="1999">Mahida et al. (1999)</bibRefCitation>
|
||
|
|
promised to provide derived from DNA sequencing and cytogenetic studies.
|
||
|
|
</paragraph>
|
||
|
|
<paragraph id="B449C5915107EB11114533D0C0F750E3" pageNumber="1494">
|
||
|
|
Analyses by
|
||
|
|
<bibRefCitation id="B28C4F86C6652BAF50CE499E9778404B" author="Rambau, R. V. & T. J. Robinson & R. Stanyon" refId="ref296855" refString="Rambau, R. V., T. J. Robinson, and R. Stanyon. 2003. Molecular genetics of Rhabdomys pumilio subspecies boundaries: mtDNA phylogeography and karyotypic analysis by fluorescence in situ hybridization. Molecular Phylogenetics and Evolution, 28: 564 - 575." year="2003">Rambau et al. (2003</bibRefCitation>
|
||
|
|
;564) have provided that evidence in the form of mtDNA cytochrome
|
||
|
|
<emphasis id="93402080C5CDDC0FA2F41512A34DE1E0" italics="true" pageNumber="1494">b</emphasis>
|
||
|
|
sequences and cytogenetic data. Two major and highly divergent lineages were identified, one inhabiting mesic regions of southern Africa, characterized by dark gray or dark brown fur and 2n = 46 or 48. The other occupies xeric habitats, and has much paler pelage and 2n = 48. High genetic distance, ecological difference, and differences in mating behavior between the two lineages indicate two species:
|
||
|
|
<taxonomicName id="7A2133C47D22F6481077B2716BC14521" baseAuthorityName="Sparrman" baseAuthorityYear="1784" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pumilio">
|
||
|
|
<emphasis id="A1C2460B5404F1719AA1E6F828D07D29" italics="true" pageNumber="1494">R. pumilio</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
in xeric grasslands,
|
||
|
|
<taxonomicName id="7012BA31A5E962E1E50194F91341A152" baseAuthorityName="De Winton" baseAuthorityYear="1897" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dilectus">
|
||
|
|
<emphasis id="9240961004374812F27A72BC3C25CD1C" italics="true" pageNumber="1494">R. dilectus</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
living in mesic environments. Origin of the two may have been facilitated by survival of an ancestral population in two refugia during climatic oscillations in the Pliocene, one in the mesic regions of NE Africa, the other in drier environments of southern Africa. Two species had already been recognized in
|
||
|
|
<collectingCountry id="3F99E0EF0C2D7F1654E24AD824114B2C" name="Angola">Angola</collectingCountry>
|
||
|
|
by
|
||
|
|
<bibRefCitation id="D544ECB337588D87445ED944CBE57451" author="Hill, J. E. & T. D. Carter" refId="ref152565" refString="Hill, J. E., and T. D. Carter. 1941. The mammals of Angola, Africa. Bulletin of the American Museum of Natural History, 78 (1): 1 - 211." year="1941">Hill and Carter (1941:102)</bibRefCitation>
|
||
|
|
;
|
||
|
|
<taxonomicName id="8B50D2273260CE6DCC95EC6A0D184A16" baseAuthorityName="Sparrman" baseAuthorityYear="1784" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pumilio">
|
||
|
|
<emphasis id="36E6A60BA22CB1AD966C08C738024CB5" italics="true" pageNumber="1494">R. pumilio</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
from the C and S highlands, and
|
||
|
|
<taxonomicName id="0BAC7CBA57DE6A06B1E46C9E47570BED" baseAuthorityName="Wroughton" baseAuthorityYear="1906" class="Mammalia" family="Muridae" genus="Gerbilliscus" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="bechuanae">
|
||
|
|
<emphasis id="E863C3C945908C7336E75387DE03D091" italics="true" pageNumber="1494">R. bechuanae</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
form the arid southwestern desert just north of
|
||
|
|
<collectingCountry id="508D7181D0308970A9DB58CE5D801752" name="Namibia">Namibia</collectingCountry>
|
||
|
|
. They noted the lack of intergradation between the two kinds and we have not found any evidence in their material (in
|
||
|
|
<collectionCode id="668FBA4E144094F47C8EF047D32BECF6" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34925" lsid="urn:lsid:biocol.org:col:34925" name="American Museum of Natural History" type="">AMNH</collectionCode>
|
||
|
|
) that such intergradation exists. The samples from the highlands are likely
|
||
|
|
<taxonomicName id="1947B25B664A297B37FCD7E624A5BB46" class="Mammalia" family="Muridae" genus="Pelomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dilecuts">
|
||
|
|
<emphasis id="1CA3030503F339C33DBE732510562472" italics="true" pageNumber="1494">P. dilecuts</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
, the desert sample is
|
||
|
|
<taxonomicName id="3100D5FF085F7B8E03058DE7511A8214" baseAuthorityName="Sparrman" baseAuthorityYear="1784" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pumilio">
|
||
|
|
<emphasis id="72CA05C86EB1FEEAED8566B73901FDB8" italics="true" pageNumber="1494">P. pumilio</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
(see accounts below).
|
||
|
|
</paragraph>
|
||
|
|
<paragraph id="120602BA71BBC03F90320EAF1FCA3CCE" pageNumber="1494">
|
||
|
|
Several studies are pertinent to systematics of
|
||
|
|
<taxonomicName id="084D3E3E0028ECBF604EF401D5479CDD" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
|
||
|
|
<emphasis id="991107CF224D13FEBDDC03904DFE188B" italics="true" pageNumber="1494">Rhabdomys</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
, but were published before the resolution of two species. Morphology of digestive system in relation to diet and evolution described by
|
||
|
|
<bibRefCitation id="CB8AE00979336DA29A0B79765EE2875B" author="Perrin, M. R. & B. A. Curtis" refId="ref280764" refString="Perrin, M. R., and B. A. Curtis. 1980. Comparative morphology of the digestive system of 19 species of southern African myomorph rodents in relation to diet and evolution. South African Journal of Zoology, 15: 22 - 33." year="1980">Perrin and Curtis (1980)</bibRefCitation>
|
||
|
|
. In a study of size variation (using greatest length of skull) among samples from across southern Africa,
|
||
|
|
<bibRefCitation id="D9F3B9C7E2F4A5109C6EDFB5CFB56620" author="Yom-Tov, Y." refId="ref399995" refString="Yom-Tov, Y. 1993. Size variation in Rhabdomys pumilio: A case of character release? Zeitschrift fur Saugetierkunde, 58: 48 - 53." year="1993">Yom-Tov (1993)</bibRefCitation>
|
||
|
|
discovered a positive correlation between size and mean minimum temperature of the coldest month. He also determined that samples of
|
||
|
|
<taxonomicName id="04117C9CFACCBFA3E7DB01DB81F9DADB" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
|
||
|
|
<emphasis id="04651AFC0F049FA530DD133D059C57EF" italics="true" pageNumber="1494">Rhabdomys</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
from the zone of sympatry with the
|
||
|
|
<taxonomicName id="BF26090B4B91EDD2B3A693CB392647D8" baseAuthorityName="Van der Straeten" baseAuthorityYear="1980" class="Mammalia" family="Muridae" genus="Lemniscomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="griselda">
|
||
|
|
<emphasis id="E187A5D8ACEF8FD650C1765A3FA12FCC" italics="true" pageNumber="1494">Lemniscomys griselda</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
complex, which are also diurnal herbivores but much larger in body size, are significantly smaller than samples from regions in which
|
||
|
|
<taxonomicName id="C3C80FC75514822F42D1ED4AFB8F7A39" authorityName="Trouessart" authorityYear="1881" class="Mammalia" family="Muridae" genus="Lemniscomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
|
||
|
|
<emphasis id="DDE28C5D8F7C3FE799B5B69E1B7FB340" italics="true" pageNumber="1494">Lemniscomys</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
does not occur. Yom-Tov suggested character release to be a primary factor in determining body size of
|
||
|
|
<taxonomicName id="9332B2247F348A2C5430C284B628DE9A" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
|
||
|
|
<emphasis id="40286A263363D3A54A68CE11A7FD0713" italics="true" pageNumber="1494">Rhabdomys</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
in southern Africa. Spermatozoal morphology documented by
|
||
|
|
<bibRefCitation id="CAC53E9C1BE24E88F366978CA9373EE7" author="Breed, W. G." refId="ref41105" refString="Breed, W. G. 1995 a. Spermatozoa of murid rodents from Africa: Morphological diversity and evolutionary trends. Journal of Zoology, London, 237: 625 - 651." year="1995">
|
||
|
|
Breed (1995
|
||
|
|
<emphasis id="2321B4E046F79B014E8F3E85F3F7B14F" italics="true" pageNumber="1494">a</emphasis>
|
||
|
|
)
|
||
|
|
</bibRefCitation>
|
||
|
|
. Populations in Southern African Subregion reviewed by
|
||
|
|
<bibRefCitation id="C7748295A72007A6C65951E4C4C42432" author="de Graaff, G." refId="ref77573" refString="de Graaff, G. 1981. The rodents of Southern Africa. Butterworths, Durban, 267 pp." year="1981">de Graaff (1981</bibRefCitation>
|
||
|
|
,
|
||
|
|
<bibRefCitation id="A4C7B27511BDA617EC22B581A9B483BB" author="de Graaff, G." refId="ref77782" refString="de Graaff, G. 1997 e. Striped mouse, Rhabdomys pumilio. P. 140, in The complete book of southern African mammals (G. Mills and L. Hes, eds.). Struik Winchester, Capetown, 356 pp." year="1997">
|
||
|
|
1997
|
||
|
|
<emphasis id="595EEDCE847994A33080BFD3E3DE6FBB" italics="true" pageNumber="1494">e</emphasis>
|
||
|
|
</bibRefCitation>
|
||
|
|
) and
|
||
|
|
<bibRefCitation id="48BCEE4E0D77417FDA1A56D4A0399A66" author="Skinner, J. D. & R. H. N. Smithers" refId="ref329484" refString="Skinner, J. D., and R. H. N. Smithers. 1990. The mammals of the southern African subregion. Second ed. University of Pretoria, Republic of South Africa, 771 pp." year="1990">Skinner and Smithers (1990)</bibRefCitation>
|
||
|
|
.
|
||
|
|
</paragraph>
|
||
|
|
<paragraph id="B94B9F93654D4998F895AAAA5ED0F8FF" pageNumber="1494">
|
||
|
|
<taxonomicName id="DF6471B8E4927F8C5552AF09F15460FE" authorityName="Thomas" authorityYear="1916" class="Mammalia" family="Muridae" genus="Rhabdomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="genus">
|
||
|
|
<emphasis id="317FA0A62F39899C454974F504B5ED9D" italics="true" pageNumber="1494">Rhabdomys</emphasis>
|
||
|
|
</taxonomicName>
|
||
|
|
is represented by isolated molars from the Pleistocene of
|
||
|
|
<collectingCountry id="91D014F59316A7CDCC27BAB00AD1C7DE" name="Namibia">Namibia</collectingCountry>
|
||
|
|
(
|
||
|
|
<bibRefCitation id="3FD93E799F9E726A76D453124A539334" author="Senut, B. & M. Pickford & P. Mein & G. Conroy & J. Van Couvering" refId="ref323714" refString="Senut, B., M. Pickford, P. Mein, G. Conroy, and J. Van Couvering. 1992. Discovery of 12 new Late Cainozoic fossiliferous sites in palaeokarsts of the Otavi Mountains, Namibia. Comptes Rendus de l'Academie des Sciences (Paris), 314 (ser. II): 727 - 733." year="1992">Senut et al., 1992</bibRefCitation>
|
||
|
|
); early Pleistocene Swartkrans and Sterkfontein cave sediments in
|
||
|
|
<collectingCountry id="8CB74EF67BC4D6FB3644EFCA7186367A" name="South Africa">South Africa</collectingCountry>
|
||
|
|
(
|
||
|
|
<bibRefCitation id="9CDD35CCEF1AFDA06CBC3E9B614F6CD8" author="Avery, D. M." refId="ref16042" refString="Avery, D. M. 1998. An assessment of the lower Pleistocene micromammalian fauna from Swartkrans Members 1 - 3, Gauteng, South Africa. Geobios, 31 (3): 393 - 414." year="1998">Avery, 1998</bibRefCitation>
|
||
|
|
,
|
||
|
|
<bibRefCitation id="7F4402A7DEF3C4B26FE0AD5CC1D12A5C" author="Avery, D. M." refId="ref16081" refString="Avery, D. M. 2000. Notes on the systematics of micromammals from Sterkfontein, Gauteng, South Africa. Palaeontologica Africana, 36: 83 - 90." year="2000">2000</bibRefCitation>
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). The earliest record is from Langebaanweg in
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<collectingCountry id="6985381D35A8B0B9D8B60B931EA1C05E" name="South Africa">South Africa</collectingCountry>
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and may be five million years old (early Pliocene; Denys, 1999)
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</paragraph>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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