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<document ID-CLB-Dataset="297058" ID-DOI="10.5281/zenodo.7316535" ID-GBIF-Dataset="76f2c0eb-a133-45e2-aed1-f96b0a73047e" ID-ISBN="0-8018-8221-4" checkinTime="1670905146368" checkinUser="guido" docAuthor="Wilson, Don E. &amp; Reeder, DeeAnn" docDate="2005" docId="1FA5AF8E1191BB65B12CD5EB8BA24034" docLanguage="en" docName="MammalSpeciesofTheWorld.2005.Ctenomyidae.1560-1570.xml" docOrigin="Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press" docTitle="Ctenomys dorbignyi Contreras and Contreras 1984" docType="treatment" docVersion="4" id="14ABB22FB510BB8D3A99320863E9687F" lastPageNumber="1562" masterDocId="14ABB22FB510BB8D3A99320863E9687F" masterDocTitle="Order Rodentia - Family Ctenomyidae" masterLastPageNumber="1570" masterPageNumber="1560" pageNumber="1562" updateTime="1716773700857" updateUser="ExternalLinkService">
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<mods:title id="21B4FD6B6570525BC2D94030C960B4B9">Order Rodentia - Family Ctenomyidae</mods:title>
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<mods:namePart id="E7DD697BE80D567B5C8E4D6E433DA8EB">Reeder, DeeAnn</mods:namePart>
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<mods:title id="1B492FF5A00BFE219118BC11D73B97CC">Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2</mods:title>
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<subSubSection id="F8FDD61D6135F58E7AE072DC139FC99F" pageNumber="1562" type="nomenclature">
<paragraph id="CFE0434D3CBF758246D0B9D185200587" pageNumber="1562">
<taxonomicName id="60F10F92386E645E0CEFB3D3FD739A7E" ID-CoL="3264V" authority="Contreras and Contreras 1984" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" pageNumber="1562" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="62FD1CE696D7E51FD2138625B70D3359" italics="true" pageNumber="1562">Ctenomys dorbignyi</emphasis>
Contreras and Contreras 1984
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="FA91E0CBBBE8D28BB8D2920F1E72C0E0" pageNumber="1562" type="reference_group">
<paragraph id="107AAAA7FB201B0F4A6A74DC9F84E06D" pageNumber="1562">
<treatmentCitation id="CBC2BD09E3D2D6068616E246D13CE663" author="Contreras and Contreras" authority="Contreras and Contreras 1984" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" issue="13" journal="Hist. Nat." kingdom="Animalia" order="Rodentia" page="131" pageNumber="1562" phylum="Chordata" rank="species" species="dorbignyi" title="Ctenomys dorbignyi" volume="4" year="1984">
<taxonomicName id="CFB5D3BEC9C1908FDCB0DB612AFA87E6" ID-CoL="3264V" authority="Contreras and Contreras 1984" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" pageNumber="1562" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="AFED19855CB01A23177B4870548508AB" italics="true" pageNumber="1562">Ctenomys dorbignyi</emphasis>
<bibRefCitation id="07C9B522B761E1AB8CDE057619CA3447" author="Contreras, J. R. &amp; A. N. Ch. de Contreras" refId="ref65831" refString="Contreras, J. R., and A. N. Ch. de Contreras. 1984. La situacion de Ctenomys minutus, Nehring, 1887, en la provincia de Entre Rios, con la descripcion de nuevas subspecies (Rodentia: Ctenomyidae), Resultados VII Jornadas Argentinas Zoologicas, Mar del Plata, p. 76." year="1984">Contreras and Contreras 1984</bibRefCitation>
</taxonomicName>
,
<bibCitation id="8E514BE799D77C4F774B8F5ADD688283" author="Contreras and Contreras" issue="13" journal="Hist. Nat." pageNumber="1562" pagination="131" title="Ctenomys dorbignyi" volume="4" year="1984">Hist. Nat., 4 (13): 131</bibCitation>
</treatmentCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="49972E042ECF2B356B73C7E69FECAF0E" pageNumber="1562" type="materials_examined">
<paragraph id="5B9F039D08EB9B6F013AD3F5823FF49B" pageNumber="1562">
<emphasis id="3D31C1748ED5127F0989F6198338FC31" inLineHeading="true" pageNumber="1562">Type Locality:</emphasis>
<materialsCitation id="29F2EF30684CD6B98A76CDB240465632" ID-GBIF-Occurrence="4867285335" country="Argentina" latitude="-27.55" longitude="-57.516666" pageNumber="1562" stateProvince="Corrientes">
<collectingCountry id="EB5A327D57DEBE77BC49D5EA2B930391" name="Argentina">Argentina</collectingCountry>
, Prov.
<collectingRegion id="EA959036B3427691A65329420CAA7FB5" country="Argentina" name="Corrientes">Corrientes</collectingRegion>
, Dept. Berón de Astrada, Paraje Mbarigüí (
<geoCoordinate id="BA1854E9480681A3D9BEE1A445815B99" degrees="27" direction="south" minutes="33" orientation="latitude" precision="925" value="-27.55">
27
<sup id="451DBC602C6B124009FFBB2ED8C6C93F" pageNumber="1562">o</sup>
33S
</geoCoordinate>
,
<geoCoordinate id="9F7C9C602C2C0F6CEFF5ACED16E8CF9E" degrees="57" direction="west" minutes="31" orientation="longitude" precision="925" value="-57.516666">
57
<sup id="76F9F45BC9D075D1393D28A1964B29D0" pageNumber="1562">o</sup>
31W
</geoCoordinate>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="8B7587DFC658C55F7B6BB2516F9F49FE" pageNumber="1562" type="vernacular_names">
<paragraph id="12759694C642FDB5008351F5B27A2A7C" pageNumber="1562">
<emphasis id="42953DEF24EAAF9AAF5B7EB6DE2C16B1" inLineHeading="true" pageNumber="1562">Vernacular Names:</emphasis>
<vernacularName id="A78AF606CB698226E778AB3EFFC9BF71" language="eng" pageNumber="1562">D'Orbigny's Tuco-tuco</vernacularName>
.
</paragraph>
</subSubSection>
<subSubSection id="B565F050DBD78B583701AA54AE8EB8D3" pageNumber="1562" type="distribution">
<paragraph id="724BBF7D39F653147D9249E01D82F918" pageNumber="1562">
<emphasis id="48758AC1747BE20798D6E351959E17A0" inLineHeading="true" pageNumber="1562">Distribution:</emphasis>
Prov.
<collectingRegion id="8450A2635ECBE380F2FCF85DC42623E9" country="Argentina" name="Corrientes">Corrientes</collectingRegion>
(
<collectingCountry id="6347D614EBEE47202B2208A61C0E0C71" name="Argentina">Argentina</collectingCountry>
).
</paragraph>
</subSubSection>
<subSubSection id="BA91324A144F3332A419B7B711F21466" pageNumber="1562" type="discussion">
<paragraph id="24CA15C3E170BC0E0851AD1FA591617D" pageNumber="1562">
<emphasis id="ED13A1163F46848A163C69EFC941C186" inLineHeading="true" pageNumber="1562">Discussion:</emphasis>
See Contreras and Scolaro (1986) for details of geographic distribution. Karyotype has 2n=70 and FN=84 (
<bibRefCitation id="16851F10CE677130921ACB1B10B977A4" author="Ortells, M. O. &amp; J. R. Contreras &amp; O. A. Reig" refId="ref268173" refString="Ortells, M. O., J. R. Contreras, and O. A. Reig. 1990. New Ctenomys karyotypes (Rodentia, Octodontidae) from north-eastern Argentina and from Paraguay confirm the extreme chromosomal multiformity of the genus. Genetica, 82: 189 - 201." year="1990">Ortells et al., 1990</bibRefCitation>
) but
<bibRefCitation id="0753794C41643E1CB67FFA91572A8511" author="Garcia, L. &amp; M. Ponsa &amp; J. Egozcue &amp; M. Garcia" refId="ref113349" refString="Garcia, L., M. Ponsa, J. Egozcue, and M. Garcia. 2000. Comparative chromosomal analysis and phylogeny in four Ctenomys species (Rodentia, Octodontidae). Biological Journal of the Linnean Society, 69: 103 - 120." year="2000">Garcia et al. (2000)</bibRefCitation>
reported a FN=88. The karyotype of
<taxonomicName id="31E81F1D31ECCE345ADFB339EBF58C4B" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="857F5EC85C9F7556A899DA55AD3A4F24" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
is indistinguishable from some of the karyotypes assigned to
<taxonomicName id="1AB188DCA9ABD0753D782A2F1BFD7036" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="6BC212AD95AC183858A1E3163165AAD3" italics="true" pageNumber="1562">C. pearsoni</emphasis>
</taxonomicName>
in gross morphology (
<bibRefCitation id="CF3C956BD3E2F845E9B73673337086A7" author="Ortells, M. O. &amp; J. R. Contreras &amp; O. A. Reig" refId="ref268173" refString="Ortells, M. O., J. R. Contreras, and O. A. Reig. 1990. New Ctenomys karyotypes (Rodentia, Octodontidae) from north-eastern Argentina and from Paraguay confirm the extreme chromosomal multiformity of the genus. Genetica, 82: 189 - 201." year="1990">Ortells et al., 1990</bibRefCitation>
) and G-band patterns (
<bibRefCitation id="E088B7775B2FDF205EA851488DAA5BCC" author="Garcia, L. &amp; M. Ponsa &amp; J. Egozcue &amp; M. Garcia" refId="ref113349" refString="Garcia, L., M. Ponsa, J. Egozcue, and M. Garcia. 2000. Comparative chromosomal analysis and phylogeny in four Ctenomys species (Rodentia, Octodontidae). Biological Journal of the Linnean Society, 69: 103 - 120." year="2000">Garcia et al., 2000</bibRefCitation>
).
<bibRefCitation id="BBE1F36B3AD9F2A5AEAE902A7F1653E5" author="Garcia, L. &amp; M. Ponsa &amp; J. Egozcue &amp; M. Garcia" refId="ref113349" refString="Garcia, L., M. Ponsa, J. Egozcue, and M. Garcia. 2000. Comparative chromosomal analysis and phylogeny in four Ctenomys species (Rodentia, Octodontidae). Biological Journal of the Linnean Society, 69: 103 - 120." year="2000">Garcia et al. (2000)</bibRefCitation>
reported differences in the C-bands of the two species but results for
<taxonomicName id="41B7B3F85412B00EEDF1629C2C90F540" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="E1214AD0109F03692339643634F5DDB5" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
are different from that reported by
<bibRefCitation id="05383ED2B472582B5C032FD7796E7CA4" author="Reig, O. A. &amp; A. I. Massarini &amp; M. O. Ortells &amp; M. A. Barros &amp; S. I. Tiranti &amp; F. J. Dyzenchauz" refId="ref301200" refString="Reig, O. A., A. I. Massarini, M. O. Ortells, M. A. Barros, S. I. Tiranti, and F. J. Dyzenchauz. 1992. New karyotypes and c-banding patterns of the subterranean rodents of the genus Ctenomys (Caviomorpha, Octodontidae) from Argentina. Mammalia, 56 (4): 603 - 623." year="1992">Reig et al. (1992)</bibRefCitation>
. Phylogenetic analysis of chromosomal characters indicates that
<taxonomicName id="50A3343459FCEE87B43232A55C75ECDD" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="6E6BE7B94FD08E2AF985B55C8442F931" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
is paraphyletic within
<taxonomicName id="C15B982A6C215064897ECF6E92697DE2" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="67D058872E883A1B9BE074E9CA3ADC8A" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
and
<bibRefCitation id="8849CAF777BEF6C1CA415D43E39704F4" author="Garcia, L. &amp; M. Ponsa &amp; J. Egozcue &amp; M. Garcia" refId="ref113349" refString="Garcia, L., M. Ponsa, J. Egozcue, and M. Garcia. 2000. Comparative chromosomal analysis and phylogeny in four Ctenomys species (Rodentia, Octodontidae). Biological Journal of the Linnean Society, 69: 103 - 120." year="2000">Garcia et al. (2000)</bibRefCitation>
concluded that there are insufficient cytogenetic data to consider
<taxonomicName id="03906703B70E1EE83F202EE195E5D2D2" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="8C9AAA777FDA71F94A55DA0D90E7D2AF" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
distinct from
<taxonomicName id="BEA6853FD22BF1AEB573348F457A3E24" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="8F2A16CF5122DBD44A1EB9718AC7EBF3" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
. The problem is that several distinct karyotypes from different localities have been reported or associated with
<taxonomicName id="5E389A4464A6DDB1197FFBF9B256B877" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="C9C26D57A41381DDFBD0133514F61084" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
, none of which can be associated with specimens from the type locality (see comments under
<taxonomicName id="57D98AC2E89D608D9E2F2100DDB6CD94" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="A4F194BC4E7A82654228504B207CC9B0" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
). Although there may be insufficient cytogenetic data to consider
<taxonomicName id="D3DB024E679BE161E611FD7D43A4AF48" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="3CAD5D9B9008CCA845AE4C837729A95E" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
distinct from populations of
<taxonomicName id="0B3429E38DCE96183ED0EA48C4752E72" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="A17C100AD8DCAD7635A0E9C79ED4084F" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
with a 2n=70,
<bibRefCitation id="80C29F3FA2A183B7F02A29E3AF207EFE" author="Novello, A. F. &amp; E. P. Lessa" refId="ref262610" refString="Novello, A. F., and E. P. Lessa. 1986. G-band homology in two karyomorphs of the Ctenomys pearsoni complex (Rodentia: Octodontidae) of neotropical fossorial rodents. Zeitschrift fur Saugetierkunde, 51: 378 - 380." year="1986">Novello and Lessa (1986)</bibRefCitation>
have suggested that more than a single species was represented among populations of
<taxonomicName id="1CCDF439FB9DF90A03DF513E6CC74BEC" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="AB2A6EDF2D9693E182CC305A73FD8D04" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
. Without knowledge of which karyotype is associated with the specimens from the type locality of
<taxonomicName id="54D1DC0A4F74C038FA03C510120CEC17" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="B2EB6705902E83803560EF1AF3028E5B" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
it is not possible to determine whether
<taxonomicName id="E0D08BC9FBF8749539AC62DDB7D9F92D" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="B2FF44A1D6DA1EE96AD166198D86EE4D" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
represents one of the chromosomally differentiated species within the
<taxonomicName id="B3BFA95DA0F65D1B4A5978F03883E9B8" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="3A1912E264B51269BD4CC516D7B27A56" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
complex or should be placed in synonomy with
<taxonomicName id="ED34EBD647BB6EA3656ACD16B9C331BB" authorityName="Lessa and Langguth" authorityYear="1983" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="pearsoni">
<emphasis id="5929BEAE4A04EC3C526B2E924F60386B" italics="true" pageNumber="1562">pearsoni</emphasis>
</taxonomicName>
. Little or no differentiation of isozymes was observed among
<taxonomicName id="6F63B44495AC56BB7323E4710C729E76" authorityName="Contreras and Contreras" authorityYear="1984" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="dorbignyi">
<emphasis id="325AAF8F6C361CA793207FA47D714895" italics="true" pageNumber="1562">dorbignyi</emphasis>
</taxonomicName>
,
<taxonomicName id="6FB89E1DC24A84F738BC5DBA3489FDCE" authorityName="Thomas" authorityYear="1898" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="perrensi">
<emphasis id="1850CD92780CEDC51AFB53BBB7C92C8B" italics="true" pageNumber="1562">perrensi</emphasis>
</taxonomicName>
, and
<taxonomicName id="B61CDED4DFFC4B745ACFC647FD00BBC6" authority="(Ortells and Barrantes, 1994)" baseAuthorityName="Ortells and Barrantes" baseAuthorityYear="1994" class="Mammalia" family="Ctenomyidae" genus="Ctenomys" kingdom="Animalia" order="Rodentia" phylum="Chordata" rank="species" species="roigi">
<emphasis id="3CFA55F98A80BFFA414E9AEC58B957E5" italics="true" pageNumber="1562">roigi</emphasis>
(
<bibRefCitation id="2A73F6B12A7FD5557A35034E985DFCC1" author="Ortells, M. O. &amp; G. E. Barrantes" refId="ref267985" refString="Ortells, M. O., and G. E. Barrantes. 1994. A study of genetic distances and variability in several species of the genus Ctenomys (Rodentia: Octodontidae) with special reference to a probable causal role of chromosomal speciation. Biological Journal of the Linnean Society, 53: 189 - 208." year="1994">Ortells and Barrantes, 1994</bibRefCitation>
)
</taxonomicName>
and all four of these species have symmetric sperm (
<bibRefCitation id="15FD96B97AF156F5D188DCEB79101C30" author="Vitullo, A. D. &amp; E. R. S. Roldan &amp; M. S. Merani" refId="ref373789" refString="Vitullo, A. D., E. R. S. Roldan, and M. S. Merani. 1988. On the morphology of spermatozoa of tuco-tucos Ctenomys (Rodentia: Ctenomyidae): New data and its implications for the evolution of the genus. Journal of Zoology, London, 215: 675 - 683." year="1988">Vitullo et al., 1988</bibRefCitation>
) and a glans penis with pairs of spiny bulbs (
<bibRefCitation id="FEF430AFEFD5E7037F5489CA53EC18DC" author="Balbontin, J. &amp; S. Reig &amp; S. Moreno" refId="ref19325" refString="Balbontin, J., S. Reig, and S. Moreno. 1996. Evolutionary relationships of Ctenomys (Rodentia: Octodontidae) from Argentina, based on penis morphology. Acta Theriologica, 41 (3): 237 - 253." year="1996">Balbontin et al., 1996</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>