447 lines
55 KiB
XML
447 lines
55 KiB
XML
<document ID-CLB-Dataset="20442" ID-DOI="http://dx.doi.org/10.3897/evolsyst.6.76879" ID-GBIF-Dataset="4e4cacb6-667c-4d53-bb24-bbe3dda3aff5" ID-Pensoft-Pub="2535-0730-1-35" ID-Pensoft-UUID="193C81F3CDB558F19D2BEAE9946F99B4" ID-ZooBank="76DA21E223E64873847890B633C48A30" ModsDocID="2535-0730-6-1-35" checkinTime="1646131393254" checkinUser="pensoft" docAuthor="Brito, Jorge, Koch, Claudia, Tinoco, Nicolas & Pardinas, Ulyses F. J." docDate="2022" docId="83B527DA224B50F596B358D203E55DC1" docLanguage="en" docName="EvolutSyst 6(1): 35-55" docOrigin="Evolutionary Systematics 6 (1)" docPubDate="2022-02-28" docSource="http://dx.doi.org/10.3897/evolsyst.6.76879" docTitle="Mindomys kutuku Brito & Koch & Tinoco & Pardiñas 2022, sp. nov." docType="treatment" docUuid="3228B2D2-6F14-4E8C-B82D-EA9FC5992731" docUuidSource="ZooBank" docVersion="6" id="193C81F3CDB558F19D2BEAE9946F99B4" lastPageNumber="35" masterDocId="193C81F3CDB558F19D2BEAE9946F99B4" masterDocTitle="A new species of Mindomys (Rodentia, Cricetidae) with remarks on external traits as indicators of arboreality in sigmodontine rodents" masterLastPageNumber="55" masterPageNumber="35" pageNumber="35" updateTime="1732856567466" updateUser="ExternalLinkService">
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<mods:title id="AAC824E82E751AFF15F01925D27891E4">A new species of Mindomys (Rodentia, Cricetidae) with remarks on external traits as indicators of arboreality in sigmodontine rodents</mods:title>
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<mods:namePart id="18323A0985BBDD497A4F7C3F5A5C50AE">Brito, Jorge</mods:namePart>
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<mods:nameIdentifier id="76493CF3CD4722F5CC96E5AD2712481A" type="ORCID">https://orcid.org/0000-0002-3410-6669</mods:nameIdentifier>
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<mods:affiliation id="E295DF9E883ACE7A99E86D60940E63FC">Instituto Nacional de Biodiversidad (INABIO), Rumipamba 341 y Av. de los Shyris, Quito, Ecuador</mods:affiliation>
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<mods:nameIdentifier id="2D74D922F893357BCA4EC38AC399D0A2" type="email">jorgeyakuma@yahoo.es</mods:nameIdentifier>
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<mods:namePart id="D9542F393A13F92A2083E723AE877B4E">Koch, Claudia</mods:namePart>
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<mods:nameIdentifier id="2B7669F27E93C6D6B3FAEB82591B50C6" type="ORCID">https://orcid.org/0000-0002-7115-2816</mods:nameIdentifier>
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<mods:affiliation id="00C40735DA2E661A076C3A75460F6A1F">Leibniz Institute for the Analysis of Biodiversity Change / ZFMK, Museum Koenig, Adenauerallee 160, 53113 Bonn, Germany</mods:affiliation>
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<mods:namePart id="305550676F94D38FE6C67B41A8223192">Tinoco, Nicolas</mods:namePart>
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<mods:affiliation id="180D511B3A331DEE4F27158A6FF29D39">Seccion de Mastozoologia, Museo de Zoologia, Facultad de Ciencias Exactas y Naturales, Pontificia Universidad Catolica del Ecuador, Quito, Ecuador</mods:affiliation>
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<mods:namePart id="102C01A1695EDD27D003A3FFDFBF0572">Pardinas, Ulyses F. J.</mods:namePart>
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<mods:affiliation id="0E2647E60F788ADAC6503DE36C0A03FF">Instituto Nacional de Biodiversidad (INABIO), Rumipamba 341 y Av. de los Shyris, Quito, Ecuador & Instituto de Diversidad y Evolucion Austral (IDEAus-CONICET), Boulevard Brown 2915, 9120 Puerto Madryn, Chubut, Argentina</mods:affiliation>
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<mods:title id="C03B3871ACA68A684E1911831CC277DE">Evolutionary Systematics</mods:title>
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<mods:date id="1398CD829654847DB9EA4E9BC7247B8D">2022</mods:date>
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<mods:number id="C09A2C392C9FF336EFC3DFB3C5224B4D">2022-02-28</mods:number>
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<mods:start id="52897DF2C85EF98DC3F3E098F27D3AA7">35</mods:start>
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<treatment id="83B527DA224B50F596B358D203E55DC1" ID-GBIF-Taxon="193849764" LSID="urn:lsid:zoobank.org:act:3228B2D2-6F14-4E8C-B82D-EA9FC5992731" httpUri="http://treatment.plazi.org/id/83B527DA224B50F596B358D203E55DC1" lastPageNumber="35" pageId="0" pageNumber="35" scope_family="Cricetidae" scope_order="Rodentia" scope_subFamily="Sigmodontinae" scope_tribe="Oryzomyini">
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<subSubSection id="411BA6CB3649CFFF3E45DAB82A273A7C" pageId="0" pageNumber="35" type="nomenclature">
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<paragraph id="3635A6D0DA4D88E5DD24AFEF0BA5980F" pageId="0" pageNumber="35">
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<taxonomicName id="A7E18B7947383704843DB24E1EB43A0F" LSID="http://zoobank.org/3228B2D2-6F14-4E8C-B82D-EA9FC5992731" authority="Brito & Koch & Tinoco & Pardiñas, 2022" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku" status="sp. nov.">Mindomys kutuku</taxonomicName>
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<taxonomicNameLabel id="7F929386B93555903863730450B5EEBE" pageId="0" pageNumber="35">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection id="C7EE2BFDF1881347B37F240EB509CE0F" pageId="0" pageNumber="35" type="holotype">
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<paragraph id="171DA1491F7252DB0DB952C52933D711" pageId="0" pageNumber="35">Holotype.</paragraph>
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<paragraph id="AD9020D86F86662028952F1BA20E79D0" pageId="0" pageNumber="35">
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MECN 5809 (field number JBM 1849, Fig.
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<figureCitation id="713B1491F83E82E7F92B340637165F59" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Three-dimensional reconstruction of the skull of Mindomys kutuku sp. nov. based on micro-CT data of the holotype (MECN 5809; Cordillera de Kutuku, Ecuador): cranium in dorsal, ventral, and lateral view, and left hemimandible in labial view. Scale bar: 10 mm." httpUri="https://binary.pensoft.net/fig/651814" pageId="0" pageNumber="35">4</figureCitation>
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), an adult male specimen preserved as skull, partial postcranial skeleton, and skin in good condition; collected by Jorge Brito, Jenny Curay and
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<normalizedToken id="2EE8815D9CFA3153EBC50B30690FA69B" originalValue="Rubí">Rubi</normalizedToken>
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<normalizedToken id="9757D763EE172B7DC0B7D7BCED1A8131" originalValue="García">Garcia</normalizedToken>
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on 11 September, 2017.
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</paragraph>
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<caption id="55CB31EA3D3B1D53BD835B8CEDF0C237" httpUri="https://binary.pensoft.net/fig/651814" pageId="0" pageNumber="35" start="Figure 4" startId="F4">
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<paragraph id="EE8AFB44ED539F000E745410951438A0" pageId="0" pageNumber="35">
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<emphasis id="CA4E1365D17EF6282292573F21010511" bold="true" pageId="0" pageNumber="35">Figure 4.</emphasis>
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Three-dimensional reconstruction of the skull of
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<taxonomicName id="67582FA3C2C01B52E512F04FD45304E6" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
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<emphasis id="05BD18AB3A0B82D566EA16841A8AFE9C" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
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</taxonomicName>
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sp. nov. based on micro-CT data of the holotype (MECN 5809; Cordillera de
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<normalizedToken id="51D158F9A3F94A46DAB9625EAC26F249" originalValue="Kutukú">Kutuku</normalizedToken>
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, Ecuador): cranium in dorsal, ventral, and lateral view, and left hemimandible in labial view. Scale bar: 10 mm.
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</paragraph>
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||
</caption>
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||
</subSubSection>
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<subSubSection id="5565DB382EC845BD15BD46EE11CFC54D" pageId="0" pageNumber="35" type="type locality">
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||
<paragraph id="6F6D67CEFE53B1E09CA08226BD45D421" pageId="0" pageNumber="35">Type locality.</paragraph>
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<paragraph id="0314DE81F31F13C91CB43031A162892A" pageId="0" pageNumber="35">
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Cordillera de
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<normalizedToken id="88E7285B57B9C592FBDFCE60B39E9810" originalValue="Kutukú">Kutuku</normalizedToken>
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||
(-
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<geoCoordinate id="7ECCEAB20D75A6103C2AB77D38D9F97B" degrees="2.78444" direction="south" orientation="latitude" precision="1" value="-2.78444">2.78444°S</geoCoordinate>
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, -
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<geoCoordinate id="687E357ACEF39E0C2E0EB703E7D79212" degrees="78.140000" direction="west" orientation="longitude" precision="1" value="-78.14">78.140000°W</geoCoordinate>
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, [coordinates taken by GPS at the trapsite], elevation 1,925 m), Parroquia Patuca,
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<normalizedToken id="6047A86CA955D4D46BF593E1685A6B45" originalValue="Cantón">Canton</normalizedToken>
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<normalizedToken id="0E50FCB436BC281789E4E0F8AC2FA27D" originalValue="Méndez">Mendez</normalizedToken>
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, Provincia Morona Santiago,
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<normalizedToken id="AB400C99C2F5E6C17787CAB4E0F679B2" originalValue="República">Republica</normalizedToken>
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del Ecuador (Fig.
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<figureCitation id="EEF4C7723C715DFDD0C89EE3918429DB" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Known recorded localities for Mindomys hammondi, Ecuador (in triangles): 1. Reserva Dracula (Brito et al. 2021); 2. Alto Tambo, Esmeraldas (Pinto et al. 2018); 3. Saloya (probably the provenance of the specimen housed at the Museum of Comparative Zoology, Harvard, under the number MCZ 52688); 4. Mindo (type locality; Thomas 1913); star = Cordillera de Kutuku, type locality of Mindomys kutuku sp. nov." httpUri="https://binary.pensoft.net/fig/651815" pageId="0" pageNumber="35">5</figureCitation>
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).
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</paragraph>
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<caption id="44A157FD128545A1703B4AA687515480" httpUri="https://binary.pensoft.net/fig/651815" pageId="0" pageNumber="35" start="Figure 5" startId="F5">
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<paragraph id="2B4B0245D881C691CB478ADE258DC98A" pageId="0" pageNumber="35">
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<emphasis id="D090B69E16F01472775751255BA0DE5E" bold="true" pageId="0" pageNumber="35">Figure 5.</emphasis>
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Known recorded localities for
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<taxonomicName id="21DC15C86A2E524C28B0513D211F8F3C" baseAuthorityName="Thomas" baseAuthorityYear="1913" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys hammondi" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="hammondi">
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<emphasis id="155CDCA4141E0C6BB991DA89CC173305" italics="true" pageId="0" pageNumber="35">Mindomys hammondi</emphasis>
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</taxonomicName>
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, Ecuador (in triangles):
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<emphasis id="62791352B447B5DF1C5ADEDA4EAD837A" bold="true" pageId="0" pageNumber="35">1.</emphasis>
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Reserva
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<normalizedToken id="D7EF1D2E40FBA1C9E775E687EB4825FD" originalValue="Drácula">Dracula</normalizedToken>
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(
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<bibRefCitation id="BC6B8ACBEE41C6C2D3A2E0219269740F" DOI="https://doi.org/10.3897/neotropical.16.e65875" author="Brito, J" journalOrPublisher="Neotropical Biology and Conservation" pageId="0" pageNumber="35" pagination="397 - 410" refId="B6" refString="Brito, J, Tinoco, N, Curay, J, Pardinas, UFJ, 2021. New morphological data on the rare sigmodontine Mindomys hammondi (Rodentia, Cricetidae), an arboreal oryzomyine from north-western Andean montane forests. Neotropical Biology and Conservation 16: 397 - 410, DOI: https://doi.org/10.3897/neotropical.16.e65875" title="New morphological data on the rare sigmodontine Mindomys hammondi (Rodentia, Cricetidae), an arboreal oryzomyine from north-western Andean montane forests." url="https://doi.org/10.3897/neotropical.16.e65875" volume="16" year="2021">Brito et al. 2021</bibRefCitation>
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);
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<emphasis id="1089B1F969725B7F1E29DF30C3D4FC82" bold="true" pageId="0" pageNumber="35">2.</emphasis>
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Alto Tambo, Esmeraldas (
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||
<bibRefCitation id="78ED809B5BC3119456DAA14933CF2BA4" DOI="https://doi.org/10.12933/therya-18–430" author="Pinto, CM" journalOrPublisher="Therya" pageId="0" pageNumber="35" pagination="15 - 27" refId="B56" refString="Pinto, CM, Ojala-Barbour, R, Brito, J, Menchaca, A, Carvalho, ALG, Weksler, M, Amato, G, Lee Jr, TE, 2018. Rodents of the eastern and western slopes of the Tropical Andes: phylogenetic and taxonomic insights using DNA barcodes. Therya 9: 15 - 27, DOI: https://doi.org/10.12933/therya-18-430" title="Rodents of the eastern and western slopes of the Tropical Andes: phylogenetic and taxonomic insights using DNA barcodes." url="https://doi.org/10.12933/therya-18–430" volume="9" year="2018">Pinto et al. 2018</bibRefCitation>
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||
);
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||
<emphasis id="4ECD4371581841AC797A90FA5B0EDE78" bold="true" pageId="0" pageNumber="35">3.</emphasis>
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Saloya (probably the provenance of the specimen housed at the Museum of Comparative Zoology, Harvard, under the number MCZ 52688);
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<emphasis id="4B9AD5E59027FB296C94B608177C227F" bold="true" pageId="0" pageNumber="35">4.</emphasis>
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Mindo (type locality;
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||
<bibRefCitation id="AD132A32845D1E0FEED56BA0B9B0BD16" DOI="https://doi.org/10.1080/00222931308693443" author="Thomas, O" journalOrPublisher="Annals and Magazine of Natural History" pageId="0" pageNumber="35" pagination="567 - 574" refId="B70" refString="Thomas, O, 1913. New mammals from South America. Annals and Magazine of Natural History 12: 567 - 574, DOI: https://doi.org/10.1080/00222931308693443" title="New mammals from South America." url="https://doi.org/10.1080/00222931308693443" volume="12" year="1913">Thomas 1913</bibRefCitation>
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||
); star = Cordillera de
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<normalizedToken id="E34F51549D04DD61ADB5A4FDB23F97A5" originalValue="Kutukú">Kutuku</normalizedToken>
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||
, type locality of
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||
<taxonomicName id="1E360B9BD3B1E12843B7BE857E8CA573" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
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||
<emphasis id="0F708BBFE895B337949309B60BCEB5FD" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
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||
</taxonomicName>
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||
sp. nov.
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||
</paragraph>
|
||
</caption>
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||
</subSubSection>
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||
<subSubSection id="0606F731A8ADDE8BD312E1DF12AFFC8F" pageId="0" pageNumber="35" type="diagnosis">
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<paragraph id="B1AB3939DD77C02ED3A296E5E5EFCEB5" pageId="0" pageNumber="35">Diagnosis.</paragraph>
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<paragraph id="D015431D4014C7DBE57D67819979C89B" pageId="0" pageNumber="35">
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A species of
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<taxonomicName id="854F5125D4BCD27B7843FE102A877E1A" authorityName="Weksler, Percequillo & Voss" authorityYear="2006" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="genus">
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<emphasis id="14021D618E594049C0230914EBC9ECE7" italics="true" pageId="0" pageNumber="35">Mindomys</emphasis>
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||
</taxonomicName>
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smaller than
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<taxonomicName id="74E9CBC7DA1D7E510B8365FAABD129CD" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. hammondi" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="hammondi">
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<emphasis id="5E3A6722507DDB0C24525C6CE936AB59" italics="true" pageId="0" pageNumber="35">M. hammondi</emphasis>
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</taxonomicName>
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, with opisthodont upper incisors; zygomatic notch very shallow; zygomatic plate moderately narrow and almost without upper free border; zygomatic plate frontally directed; posterior margin of the zygomatic plate anterior to M1; interorbital constriction moderately posterior and narrow; molars of absolute larger size comparatively to the skull, large jugal fully separating maxillary and squamosal portions of the zygomatic arch; hamular process of pterygoid large; alisphenoid strut present; parietal lateral
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<normalizedToken id="0327E41DEE58945A35584EB81D070ED6" originalValue="“wing”">"wing"</normalizedToken>
|
||
reaching the zygomatic root; otic capsule medium in size; undefined hamular process of the squamosal; paraoccipital process small; well-exposed petrosal; caudally directed foramen magnum; minute Hill foramen; long incisive foramen; inferior ridge of the masseteric crest not concealing the lower margin of the dentary; lateral view of m3 not hidden by the ascending ramus; angular process of the dentary shorter than condyle; M1 broad, with anterior stylar shelf, anteroposteriorly compressed procingulum and defined anterolingual conule; M1 paracone and metacone transversally compressed; M1 accessory root present; M2 mesofosette rounded; M3 posterior lobe transversally compressed with closed metaflexus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="BFA940EFFB96BC82171B012E57B7CA9F" pageId="0" pageNumber="35" type="description">
|
||
<paragraph id="51C45D59EEEF25CD6A07922776F555B3" pageId="0" pageNumber="35">Morphological description of the holotype.</paragraph>
|
||
<paragraph id="F4A4FF3B65889A6BAC7323CF1B8C6F6B" pageId="0" pageNumber="35">
|
||
Dorsal fur dark reddish-brown (Fig.
|
||
<figureCitation id="42B18F82A0B93556D44A85C6596866C5" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. External aspect of Mindomys kutuku sp. nov., in its natural habitat (painted by Glenda Pozo)." httpUri="https://binary.pensoft.net/fig/651816" pageId="0" pageNumber="35">6</figureCitation>
|
||
); flanks similar to dorsum; ventral pelage pale yellow; yellowish and reddish at the edges of the gular region (Fig.
|
||
<figureCitation id="4372F17D8090597994DB930CC9B93D51" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Mindomys kutuku sp. nov. (MECN 5809, holotype; Cordillera de Kutuku, Ecuador): external aspect based on museum skin in dorsal (a), ventral (b), and lateral (c) view. Scale bar: 50 mm." httpUri="https://binary.pensoft.net/fig/651817" pageId="0" pageNumber="35">7</figureCitation>
|
||
). Mystacial vibrissae abundant and long, some extending posteriorly beyond shoulder when laid back against cheeks; relatively small but visible pinnae on the fur of the head, naked in appearance but covered with abundant short reddish hairs. Upper side of the front and hind feet abundantly covered with brown hairs, digits covered with short, whitish hairs; the ends are each covered with a few silver hairs which protrude slightly beyond the tip of the claws; ventral surface of manus naked, with five fleshy tubercles (Fig.
|
||
<figureCitation id="CE28E16440F25C51C117BF25DC9CC3FB" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Cheiridia appearance in Mindomys kutuku sp. nov. (a, c, e, g MECN 5809, holotype; Cordillera de Kutuku, Ecuador), and M. hammondi (b, d, f, h MECN 6228, Reserva Dracula, Ecuador): Right hind foot, plantar view (a, b); Right hind foot, dorsal view (c, d); Right fore foot, plantar view (e, f); Right fore foot, dorsal view (g, h). Scale bar: 10 mm." httpUri="https://binary.pensoft.net/fig/651818" pageId="0" pageNumber="35">8</figureCitation>
|
||
); claws short, recurved, basally opened, except for pollex which bears a nail; pes moderately short and wide, with outer digits (1 and 5) shorter than middle three (claw of d1 extending to start of second phalange of d2, claw of d5 extending to start of second phalange of d4); plantar surface naked with six pads (2 metatarsal and 4 interdigital). Tail long (about 130% of head and body length) and unicolored (dark above and below), covered with long and hirsute hairs, which can extend up to four scales, however the hairs are sparse and give a naked appearance; tip of tail has a 5 mm tuft of hair (Fig.
|
||
<figureCitation id="9192036FC5CA8F94959F8B4BDAFD3E33" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Mindomys kutuku sp. nov. (MECN 5809, holotype; Cordillera de Kutuku, Ecuador): external aspect based on museum skin in dorsal (a), ventral (b), and lateral (c) view. Scale bar: 50 mm." httpUri="https://binary.pensoft.net/fig/651817" pageId="0" pageNumber="35">7</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="26DDB99977614E400EE3655A0F9A4C41" httpUri="https://binary.pensoft.net/fig/651816" pageId="0" pageNumber="35" start="Figure 6" startId="F6">
|
||
<paragraph id="BA5878848D6C750BC19DD5B6D66788CF" pageId="0" pageNumber="35">
|
||
<emphasis id="7468AF444D3A27A07AD84C98D01F5411" bold="true" pageId="0" pageNumber="35">Figure 6.</emphasis>
|
||
External aspect of
|
||
<taxonomicName id="D9BC0D51AD445503698CB4B2F61A6336" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
|
||
<emphasis id="F6E6772C6222F5306B0ABDCB4E43BFB8" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov., in its natural habitat (painted by Glenda Pozo).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="7CA7F866DF4652D515C448A4DC3E1C8F" httpUri="https://binary.pensoft.net/fig/651817" pageId="0" pageNumber="35" start="Figure 7" startId="F7">
|
||
<paragraph id="5AC0DEFE889EDE099490A660FC890189" pageId="0" pageNumber="35">
|
||
<emphasis id="1DA99C625C762B72274A5F5A20895816" bold="true" pageId="0" pageNumber="35">Figure 7.</emphasis>
|
||
<taxonomicName id="E6C7E8BA384FD2427DBD4A755B6508B9" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
|
||
<emphasis id="1DD76197474CE98C74D5E7F4935CCD7F" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (MECN 5809, holotype; Cordillera de
|
||
<normalizedToken id="89D1BDA632E75DC5666DD51F3A06F1B9" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
, Ecuador): external aspect based on museum skin in dorsal (
|
||
<emphasis id="C767AD71D404CB9D67BE6E1BDD42502F" bold="true" pageId="0" pageNumber="35">a</emphasis>
|
||
), ventral (
|
||
<emphasis id="5CA20F755B4A8199C7EB7AE85F81263F" bold="true" pageId="0" pageNumber="35">b</emphasis>
|
||
), and lateral (
|
||
<emphasis id="AFE5A07DB3910940FB53F39BB8FD515F" bold="true" pageId="0" pageNumber="35">c</emphasis>
|
||
) view. Scale bar: 50 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="7B0B12555B702A62F96667D9C12EC4A6" httpUri="https://binary.pensoft.net/fig/651818" pageId="0" pageNumber="35" start="Figure 8" startId="F8">
|
||
<paragraph id="16B01BD3496643F50B0485CB612E2BD8" pageId="0" pageNumber="35">
|
||
<emphasis id="7F782077CDB8BEA891567616AA41245A" bold="true" pageId="0" pageNumber="35">Figure 8.</emphasis>
|
||
Cheiridia appearance in
|
||
<taxonomicName id="0759DC3CB782F74ABF6804726A42B3AA" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
|
||
<emphasis id="3D9E293852757A69A8A937EF1606D9DA" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (
|
||
<emphasis id="EC1F030F264F268D17F5417FB52A4391" bold="true" pageId="0" pageNumber="35">a, c, e, g</emphasis>
|
||
MECN 5809, holotype; Cordillera de
|
||
<normalizedToken id="BFE716D1D538AB8AD8DDC0350EDEC4B6" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
, Ecuador), and
|
||
<taxonomicName id="7B54B54D1164D43A345D4E373BC32D9A" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. hammondi" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="hammondi">
|
||
<emphasis id="6E822BF913921164F84A5CD234B9C4A1" italics="true" pageId="0" pageNumber="35">M. hammondi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<emphasis id="844C0B00C607B956F404ECAA7EE8A1C9" bold="true" pageId="0" pageNumber="35">b, d, f, h</emphasis>
|
||
MECN 6228, Reserva
|
||
<normalizedToken id="2E1E3C9B0478EF066A0663898BADA012" originalValue="Drácula">Dracula</normalizedToken>
|
||
, Ecuador): Right hind foot, plantar view (
|
||
<emphasis id="2357153EE3E72272165E6ACD72BB4736" bold="true" pageId="0" pageNumber="35">a, b</emphasis>
|
||
); Right hind foot, dorsal view (
|
||
<emphasis id="DE7E2AA8CA23A58B89F7A9BF8A64D8CC" bold="true" pageId="0" pageNumber="35">c, d</emphasis>
|
||
); Right fore foot, plantar view (
|
||
<emphasis id="072936DF5DEF6A715E2C85351AE33A14" bold="true" pageId="0" pageNumber="35">e, f</emphasis>
|
||
); Right fore foot, dorsal view (
|
||
<emphasis id="3ADD40A648681F574413B85BE018AB2E" bold="true" pageId="0" pageNumber="35">g, h</emphasis>
|
||
). Scale bar: 10 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="479ADA5963A24CB08735058B84310219" pageId="0" pageNumber="35">
|
||
Cranium with moderately long and wide rostrum (Fig.
|
||
<figureCitation id="F5FFBA7ACBB35ECC912EAE1852BA659F" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Three-dimensional reconstruction of the skull of Mindomys kutuku sp. nov. based on micro-CT data of the holotype (MECN 5809; Cordillera de Kutuku, Ecuador): cranium in dorsal, ventral, and lateral view, and left hemimandible in labial view. Scale bar: 10 mm." httpUri="https://binary.pensoft.net/fig/651814" pageId="0" pageNumber="35">4</figureCitation>
|
||
); rostrum barely tapers forward from the nasolacrimal capsules; nasals gradually diverge forward, with the distal end moderately turned upwards; shallow but distinct zygomatic notches; interorbital constriction moderately posterior and narrower; fronto-parietal suture U-shaped; braincase slightly inflated and elongated; cranial roof dorsal profile flat from nasals to the half of parietals to slope gently downward toward the occiput; foramen magnum caudally oriented. Premaxillae slightly shorter than nasals not produced anteriorly beyond incisors, without forming a rostral tube; gnathic process very small; zygomatic plates moderately narrow and almost without free upper borders; zygomatic arches sturdy and robust; larger jugals; squamosal-alisphenoid groove poorly visible through the translucent braincase, without a perforation where it crosses the depression for the masticatory nerve; small stapedial foramen and carotid canal, but barely expressed petrotympanic fissure; primitive cephalic arterial supply (pattern 1 of
|
||
<bibRefCitation id="1FCABA5E5FD3418A0C50253C5A01A83F" author="Voss, RS" journalOrPublisher="Bulletin of the American Museum of Natural History" pageId="0" pageNumber="35" pagination="258 - 493" refId="B76" refString="Voss, RS, 1988. Systematics and ecology of ichthyomyine rodents (Muroidea): patterns of morphological evolution in a small adaptive radiation. Bulletin of the American Museum of Natural History 188: 258 - 493" title="Systematics and ecology of ichthyomyine rodents (Muroidea): patterns of morphological evolution in a small adaptive radiation." volume="188" year="1988">Voss 1988</bibRefCitation>
|
||
); alisphenoid strut present; small anterior opening of alisphenoid canal; postglenoid foramen narrow, subsquamosal fenestra absent and undefined hamular process of squamosal; undeveloped tegmen tympani; parietal
|
||
<normalizedToken id="B0CC280055AC4EE26C342C353F2D0047" originalValue="“wings”">"wings"</normalizedToken>
|
||
extending to zygomatic roots; small bullae with long stapedial processes; large pars flaccida of tympanic membrane present; orbicular apophysis of malleus well developed; paraoccipital process small. Small Hill foramen; long, pear-shaped incisive foramina, well anterior to the anterior faces of M1; capsular process of premaxillary little developed; palate narrow and short, with the anterior border of the mesopterygoid fossa even with the posterior faces of M3s; posterior palatal foramina small; small paired posterolateral pits located next to the anterior part of the mesopterygoid fossa; broad mesopterygoid fossa, much broader than parapterygoid plates, with V-shaped anterior margin and fully ossified bony roof; massive and projected hamular processes of pterygoids; ventrally well-exposed petrosals.
|
||
</paragraph>
|
||
<paragraph id="0E5D851336D9F08662AC797A28AA0BBB" pageId="0" pageNumber="35">
|
||
Mandible robust (Fig.
|
||
<figureCitation id="1A4B9500E9976C9EE80D480768A8E830" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Three-dimensional reconstruction of the skull of Mindomys kutuku sp. nov. based on micro-CT data of the holotype (MECN 5809; Cordillera de Kutuku, Ecuador): cranium in dorsal, ventral, and lateral view, and left hemimandible in labial view. Scale bar: 10 mm." httpUri="https://binary.pensoft.net/fig/651814" pageId="0" pageNumber="35">4</figureCitation>
|
||
), with little-developed falciform coronoid process with its tip at condyle level; laterally placed mental foramen; broad incisor case; scarcely-marked higher masseteric ridge; broad condyle with well-developed pre- and postcondylid processes; alveolus of lower incisor with small capsular process on lateral mandibular surface; poorly excavated lunar notch; short and broad angular process.
|
||
</paragraph>
|
||
<paragraph id="EA1EBAEE9CEA1DC276CD2E10D4076BD2" pageId="0" pageNumber="35">
|
||
Maxillary molar rows large (Fig.
|
||
<figureCitation id="7BD94D696482C658A89393E263236AAD" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Three-dimensional reconstructions of the occlusal view of right upper (a, b) and lower (c, d) toothrows based on micro-CT data of the holotypes of Mindomys kutuku sp. nov. (a, c MECN 5809; Cordillera de Kutuku, Ecuador) and Mindomys hammondi (b, d NHMUK 13.10.24.58; Mindo, Ecuador). Scale bar: 1 mm." httpUri="https://binary.pensoft.net/fig/651819" pageId="0" pageNumber="35">9</figureCitation>
|
||
); main cusps opposites; M1 rectangular and broad; with anterior stylar shelf, anteroposteriorly compressed procingulum and defined anterolingual conule; transversally compressed paracone and metacone; M2 mesofosette rounded; M3 posterior lobe transversally compressed with closed metaflexus. M1 four-rooted (with one accessory labial root); M2 and M3 three-rooted (Suppl. material 3).
|
||
</paragraph>
|
||
<caption id="F99733A06898052774528B26B7BC95CB" httpUri="https://binary.pensoft.net/fig/651819" pageId="0" pageNumber="35" start="Figure 9" startId="F9">
|
||
<paragraph id="59ED4BB1EEA8D3A71D595E5D1F42001E" pageId="0" pageNumber="35">
|
||
<emphasis id="45E9064D322F1A9FB393FC85D313BE56" bold="true" pageId="0" pageNumber="35">Figure 9.</emphasis>
|
||
Three-dimensional reconstructions of the occlusal view of right upper (
|
||
<emphasis id="C7ECFB4646F37755DC86C1F518A6341C" bold="true" pageId="0" pageNumber="35">a, b</emphasis>
|
||
) and lower (
|
||
<emphasis id="B1A5AEA339D56EE95491FAB41AF436A9" bold="true" pageId="0" pageNumber="35">c, d</emphasis>
|
||
) toothrows based on micro-CT data of the holotypes of
|
||
<taxonomicName id="043E07AF0F3E8B3F7AD924592D06A316" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
|
||
<emphasis id="4EE82A6140183E7B9A8F07F09D8873BD" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (
|
||
<emphasis id="931C5BD63BED4B0BCA425965CD122A82" bold="true" pageId="0" pageNumber="35">a, c</emphasis>
|
||
MECN 5809; Cordillera de
|
||
<normalizedToken id="A3D08B8D3C63FFB3B0584A50B4A758B9" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
, Ecuador) and
|
||
<taxonomicName id="4CBE6F7371B9F687FB21B480D1A08962" baseAuthorityName="Thomas" baseAuthorityYear="1913" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys hammondi" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="hammondi">
|
||
<emphasis id="214A47ECB639E66BA9AB127DED1AC84F" italics="true" pageId="0" pageNumber="35">Mindomys hammondi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<emphasis id="70FC5B9263AAF01E4AE731087F3D92FC" bold="true" pageId="0" pageNumber="35">b, d</emphasis>
|
||
NHMUK 13.10.24.58; Mindo, Ecuador). Scale bar: 1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="C229D3D6509545EDA0624F7838E85508" pageId="0" pageNumber="35">Unusually long and wide flexids in m1-m2; procingulum of m1 not divided into labial and lingual conulids; indistinct anterolophid; mesolophid present; large posterolophid present; wide and deep protoflexid; m2 squared in outline; without internal mesofosette; mesolophid, posterolophid showing the same condition as in m1; m3 sub-triangular in outline with a deep hypoflexid; small entoflexid in line with hypoflexid. Lower molars two-rooted (Suppl. material 3).</paragraph>
|
||
<paragraph id="0E7837CC506A7B6EC9C8E94ADB537890" pageId="0" pageNumber="35">Tuberculum of first rib articulates with transverse processes of seventh cervical and first thoracic vertebrae; second and third thoracic vertebra with differentially elongated neural spine; 19 thoracicolumbar vertebrae, the 16-17th with moderately developed anapophyses; 4 sacrals; 38 caudals, with complete hemal arches in the second and third; 12 ribs.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="354FDC7B27BE580A0EFB91F9118EC47A" pageId="0" pageNumber="35" type="distribution">
|
||
<paragraph id="3A85B1D297950EC0305373457FBE4631" pageId="0" pageNumber="35">Distribution and remarks.</paragraph>
|
||
<paragraph id="DD5F84918DD351EB6236BE7C8D069190" pageId="0" pageNumber="35">
|
||
Known only from the type locality (Fig.
|
||
<figureCitation id="3801803496F22AD9FC87AEF7068CFBA4" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Known recorded localities for Mindomys hammondi, Ecuador (in triangles): 1. Reserva Dracula (Brito et al. 2021); 2. Alto Tambo, Esmeraldas (Pinto et al. 2018); 3. Saloya (probably the provenance of the specimen housed at the Museum of Comparative Zoology, Harvard, under the number MCZ 52688); 4. Mindo (type locality; Thomas 1913); star = Cordillera de Kutuku, type locality of Mindomys kutuku sp. nov." httpUri="https://binary.pensoft.net/fig/651815" pageId="0" pageNumber="35">5</figureCitation>
|
||
). The zoogeographic terrain in which
|
||
<taxonomicName id="18D0C475EB7A696D20B852C5A7FA837E" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. kutuku" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="kutuku">
|
||
<emphasis id="FE5FD5354189BBC7AA7C97408ADB6117" italics="true" pageId="0" pageNumber="35">M. kutuku</emphasis>
|
||
</taxonomicName>
|
||
was collected belongs to the eastern subtropics (
|
||
<bibRefCitation id="97EA741B0DE0A25C2B1E6822E6733E9B" author="Albuja, L" pageId="0" pageNumber="35" refId="B2" refString="Albuja, L, Almendariz, C, Montalvo, LD, Caceres, F, Roman, C, 2012. Fauna de vertebrados del Ecuador. Escuela Politecnica Nacional, Quito, Ecuador." title="Fauna de vertebrados del Ecuador. Escuela Politecnica Nacional, Quito, Ecuador." year="2012">Albuja et al. 2012</bibRefCitation>
|
||
). The holotype was collected in evergreen montane forest of the Cordilleras
|
||
<normalizedToken id="D2D32C36A8523F199B86305BD7DF62A0" originalValue="Cóndor-Kutukú">Condor-Kutuku</normalizedToken>
|
||
(
|
||
<bibRefCitation id="9FFB28CCB5654F371AFBBD745800A453" author="Ministerio del Ambiente del Ecuador" journalOrPublisher="Subsecretaria de Patrimonio Natural, Quito, Ecuador" pageId="0" pageNumber="35" refId="B39" refString="Ministerio del Ambiente del Ecuador, 2013. Sistema de clasificacion de los ecosistemas del Ecuador continental. Subsecretaria de Patrimonio Natural, Quito, Ecuador" title="Sistema de clasificacion de los ecosistemas del Ecuador continental." year="2013">Ministerio del Ambiente del Ecuador 2013</bibRefCitation>
|
||
), which is characterized by trees with abundant orchids, ferns and bromeliads. The height of the emerging vegetation reaches up to 25 m.
|
||
<taxonomicName id="C4CCEA8A15BC269A44611DAD26257C4E" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. kutuku" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="kutuku">
|
||
<emphasis id="0F5038EB3CF686E46B5037A738290BE3" italics="true" pageId="0" pageNumber="35">M. kutuku</emphasis>
|
||
</taxonomicName>
|
||
was collected within a mature forest near a stream (Fig.
|
||
<figureCitation id="8DB7067903B3DC6BC1BAEFEB1EEC3B69" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. General landscape of the Cordillera de Kutuku (Ecuador), aerial survey in east-west orientation (a, b), photographs taken on August 26, 2017; field expedition in evergreen montane forest (c, d), and stream near the trapping site (d), photographs taken on September 8, 2017." httpUri="https://binary.pensoft.net/fig/651820" pageId="0" pageNumber="35">10</figureCitation>
|
||
). The surrounding undergrowth has a visual domain of herbaceous families such as
|
||
<taxonomicName id="2984D4CF5880BDD038FDEB687C4FA220" class="Liliopsida" family="Araceae" kingdom="Plantae" lsidName="" order="Alismatales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="family">Araceae</taxonomicName>
|
||
and
|
||
<taxonomicName id="1B49523C1F6A2ABA66E55D4096339502" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="family">Melastomataceae</taxonomicName>
|
||
. On the slopes, the royal palm (
|
||
<taxonomicName id="15549CD9F2A3FCC64CE6B1793C9CE33A" class="Liliopsida" family="Arecaceae" genus="Dictyocaryum" kingdom="Plantae" lsidName="Dictyocaryum lamarckianun" order="Arecales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="lamarckianun">
|
||
<emphasis id="DCB98589F2827676B98E3CA50560A3AC" italics="true" pageId="0" pageNumber="35">Dictyocaryum lamarckianun</emphasis>
|
||
</taxonomicName>
|
||
) predominates. The new species was collected in sympatry with the didelphids
|
||
<taxonomicName id="F9B151367E7E97EE3CED4F8159A7A9C5" authorityName="Thomas" authorityYear="1900" class="Mammalia" family="Didelphidae" genus="Marmosops" kingdom="Animalia" lsidName="Marmosops caucae" order="Didelphimorphia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="caucae">
|
||
<emphasis id="FD101B4C8850C18C47FF93C836ABA5C5" italics="true" pageId="0" pageNumber="35">Marmosops caucae</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="88C54A54C7AD7BA5B5C6B88CB43ED1A9" baseAuthorityName="Thomas" baseAuthorityYear="1897" class="Mammalia" family="Didelphidae" genus="Monodelphis" kingdom="Animalia" lsidName="Monodelphis adusta" order="Didelphimorphia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="adusta">
|
||
<emphasis id="78E5A4D7A98FB8123828C53C96995CB2" italics="true" pageId="0" pageNumber="35">Monodelphis adusta</emphasis>
|
||
</taxonomicName>
|
||
and the sigmodontine rodents
|
||
<taxonomicName id="0A7C1547F678B07A76685B484558B82F" authorityName="Thomas" authorityYear="1913" class="Mammalia" family="Cricetidae" genus="Akodon" kingdom="Animalia" lsidName="Akodon aerosus" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="aerosus">
|
||
<emphasis id="9F4877850B8303C91671030ED5CE7F17" italics="true" pageId="0" pageNumber="35">Akodon aerosus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="8EB26F30373F325141207E5F31659EC1" authorityName="Thomas" authorityYear="1897" class="Mammalia" family="Cricetidae" genus="Chilomys" kingdom="Animalia" lsidName="Chilomys" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="genus">
|
||
<emphasis id="B5F7A6BED09C50F363671974C55451D5" italics="true" pageId="0" pageNumber="35">Chilomys</emphasis>
|
||
</taxonomicName>
|
||
sp.,
|
||
<taxonomicName id="14561C6C5D00C91524565C69A9C4CCE8" genus="Hyaleamys" lsidName="Hyaleamys yunganus" pageId="0" pageNumber="35" rank="species" species="yunganus">
|
||
<emphasis id="7D9A8AF554375C6A741B55FDEF18D96C" italics="true" pageId="0" pageNumber="35">Hyaleamys yunganus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4368D26B381316BBC8E6C6396B73D94E" baseAuthorityName="Thomas" baseAuthorityYear="1899" class="Mammalia" family="Cricetidae" genus="Nephelomys" kingdom="Animalia" lsidName="Nephelomys auriventer" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="auriventer">
|
||
<emphasis id="683AC3AE3CED46BEE675935E099781B4" italics="true" pageId="0" pageNumber="35">Nephelomys auriventer</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="A2CEACFB7B017238E5B2C713239A27E6" baseAuthorityName="Tomes" baseAuthorityYear="1860" class="Mammalia" family="Cricetidae" genus="Microryzomys" kingdom="Animalia" lsidName="Microryzomys minutus" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="minutus">
|
||
<emphasis id="78D623D200040B868A4B9A349A075B9C" italics="true" pageId="0" pageNumber="35">Microryzomys minutus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="12BB76314C4C376A43E2459E86802156" authorityName="Thomas" authorityYear="1911" class="Mammalia" family="Cricetidae" genus="Oecomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oecomys superans" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="superans">
|
||
<emphasis id="7EB75551C94CF86299F5D07AC1D10D2E" italics="true" pageId="0" pageNumber="35">Oecomys superans</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="22F27A6DE84F847AC5C95089AAA36EE7" baseAuthorityName="Thomas" baseAuthorityYear="1900" class="Mammalia" family="Cricetidae" genus="Oreoryzomys" kingdom="Animalia" lsidName="Oreoryzomys balneator" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="balneator">
|
||
<emphasis id="6D7E472FA019F5BAF0D7383A8F143585" italics="true" pageId="0" pageNumber="35">Oreoryzomys balneator</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="46C045C7B6CE619FA079011FACE59C6C" authorityName="Brito M., Nicolas, Chavez, Moreno, Batallas & Ojala-Barbour" authorityYear="2017" class="Mammalia" family="Cricetidae" genus="Rhipidomys" kingdom="Animalia" lsidName="Rhipidomys albujai" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="albujai">
|
||
<emphasis id="33DFB6B5BD88C03953B719DB2D8F7C77" italics="true" pageId="0" pageNumber="35">Rhipidomys albujai</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="8DF20283ED7EF1E06A610ED5B1B25320" httpUri="https://binary.pensoft.net/fig/651820" pageId="0" pageNumber="35" start="Figure 10" startId="F10">
|
||
<paragraph id="775C39A5CFD10B51EE183F76D4891B33" pageId="0" pageNumber="35">
|
||
<emphasis id="5AE4EE4E3951A303D068783D4F6590D6" bold="true" pageId="0" pageNumber="35">Figure 10.</emphasis>
|
||
General landscape of the Cordillera de
|
||
<normalizedToken id="9F26D6F57CC96767532663865664BC62" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
(Ecuador), aerial survey in east-west orientation (
|
||
<emphasis id="4F646BFCB7A0228A96E1F4C0A895FB2C" bold="true" pageId="0" pageNumber="35">a, b</emphasis>
|
||
), photographs taken on August 26, 2017; field expedition in evergreen montane forest (
|
||
<emphasis id="B4FB496AAA880CBF84964123F1C15DE4" bold="true" pageId="0" pageNumber="35">c, d</emphasis>
|
||
), and stream near the trapping site (
|
||
<emphasis id="62D6F8863F902CD67EE893E0C330AD8D" bold="true" pageId="0" pageNumber="35">d</emphasis>
|
||
), photographs taken on September 8, 2017.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="78FF9D5939AD765627364A4B3E049798" pageId="0" pageNumber="35" type="etymology">
|
||
<paragraph id="2DD035B1DF5E6E839D1176D4E683B9C6" pageId="0" pageNumber="35">Etymology.</paragraph>
|
||
<paragraph id="4704CF4BE3EFF10BDC3F6251114E9E50" pageId="0" pageNumber="35">
|
||
The specific epithet is a noun in apposition after the type locality,
|
||
<normalizedToken id="F9A6094BA5EB9017CBEBDFCEB8EF0F9C" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="CD2CADC21A38A16E370282C60C612469" pageId="0" pageNumber="35" type="comparisons">
|
||
<paragraph id="E58775AB7E4F48F65E2AA21FA0108EFE" pageId="0" pageNumber="35">Comparisons.</paragraph>
|
||
<paragraph id="8369EE898B06D72841D3EFC71F660DDA" pageId="0" pageNumber="35">
|
||
The traits that clearly separate the two species of
|
||
<taxonomicName id="BA2827AEEE39C1AB76CF4CEEF154947B" authorityName="Weksler, Percequillo & Voss" authorityYear="2006" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="genus">
|
||
<emphasis id="CFB7B19BDF3AB90AD6EA801202933781" italics="true" pageId="0" pageNumber="35">Mindomys</emphasis>
|
||
</taxonomicName>
|
||
are many and varied. Some of these features represent marked differences, such as the shape of the interorbit, the orientation of the foramen magnum (Fig.
|
||
<figureCitation id="83A849957BC9DA3D55860938D0F0D339" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Three-dimensional reconstructions of selected aspects of qualitative anatomy contrasted in the crania (dorsal view to the left, ventral view to the right) based on micro-CT data of the holotypes of Mindomys kutuku sp. nov. (left; MECN 5809; Cordillera de Kutuku, Ecuador) and Mindomys hammondi (right; NHMUK 13.10.24.58; Mindo, Ecuador), scaled to the same length. The figure portrays differences between the characteristics of these species as follows: M. kutuku sp. nov. has shallower zygomatic notch (zn), posteriorly displaced interorbital constriction (ic), longer incisive foramina (if), larger molars (m), larger auditory bulla (ab), and more caudally directed foramen magnum. Figures are not to scale to facilitate comparisons." httpUri="https://binary.pensoft.net/fig/651821" pageId="0" pageNumber="35">11</figureCitation>
|
||
), the occurrence of the alisphenoid strut (Fig.
|
||
<figureCitation id="890BE1EFC3DE005FC4979071BA23F25E" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Three-dimensional reconstructions of details of the alisphenoid region (a, b) and the auditory bulla (c, d) based on micro-CT data of the holotypes of Mindomys kutuku sp. nov. (a, c MECN 5809; Cordillera de Kutuku, Ecuador) and Mindomys hammondi (b, d NHMUK 13.10.24.58; Mindo, Ecuador). Acronyms: aalc, anterior opening of alisphenoid canal; ab, auditory bulla; al, alisphenoid; als, alisphenoid strut; bet, bony Eustachian tube; bo, basioccipital; cc, carotid canal, cty, crista tympanica; fo, foramen ovale; bmt, buccinators-masticatory trough; pt, petrosal; sfr, sphenofrontal foramen; sq, squamosal; stf, stapedial foramen; rpm, rostral process of malleus. Figures are not to scale to facilitate comparisons." httpUri="https://binary.pensoft.net/fig/651822" pageId="0" pageNumber="35">12</figureCitation>
|
||
), and the differential exposition of the petrosal (Fig.
|
||
<figureCitation id="C968CDB40670376710343A34844ADD7C" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Three-dimensional reconstructions of details of the alisphenoid region (a, b) and the auditory bulla (c, d) based on micro-CT data of the holotypes of Mindomys kutuku sp. nov. (a, c MECN 5809; Cordillera de Kutuku, Ecuador) and Mindomys hammondi (b, d NHMUK 13.10.24.58; Mindo, Ecuador). Acronyms: aalc, anterior opening of alisphenoid canal; ab, auditory bulla; al, alisphenoid; als, alisphenoid strut; bet, bony Eustachian tube; bo, basioccipital; cc, carotid canal, cty, crista tympanica; fo, foramen ovale; bmt, buccinators-masticatory trough; pt, petrosal; sfr, sphenofrontal foramen; sq, squamosal; stf, stapedial foramen; rpm, rostral process of malleus. Figures are not to scale to facilitate comparisons." httpUri="https://binary.pensoft.net/fig/651822" pageId="0" pageNumber="35">12</figureCitation>
|
||
). In addition to the characters provided in the diagnosis (see above), the molars comprise one of the anatomical systems where major differences between
|
||
<taxonomicName id="94CF9175951223229F7A9966AC7ED97B" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. kutuku" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="kutuku">
|
||
<emphasis id="BAA12155EF8F70FD68F5886F272CA89A" italics="true" pageId="0" pageNumber="35">M. kutuku</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="945F6C48B6985D12B009743DC7BE585C" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. hammondi" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="hammondi">
|
||
<emphasis id="7C6BDEC566793670DA9FEBEBAA93F951" italics="true" pageId="0" pageNumber="35">M. hammondi</emphasis>
|
||
</taxonomicName>
|
||
are detected (Table
|
||
<tableCitation id="1283DA11F8D02C4D7EC6E1CFB5ED74F6" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Main differential craniodental traits between species of the genus Mindomys (Oryzomyini, Sigmodontinae)." httpUri="http://table.plazi.org/id/A67C334EC9A38B2CE5A93B81BE3FA11F" pageId="0" pageNumber="35" tableUuid="A67C334EC9A38B2CE5A93B81BE3FA11F">4</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="963AA5A72915BDA94C27D201766F5BA4" httpUri="https://binary.pensoft.net/fig/651821" pageId="0" pageNumber="35" start="Figure 11" startId="F11">
|
||
<paragraph id="E099809B63604E63C7B22D6C6A5E3D20" pageId="0" pageNumber="35">
|
||
<emphasis id="D1B2BF2BA1C171B379EFBF29055B7C0D" bold="true" pageId="0" pageNumber="35">Figure 11.</emphasis>
|
||
Three-dimensional reconstructions of selected aspects of qualitative anatomy contrasted in the crania (dorsal view to the left, ventral view to the right) based on micro-CT data of the holotypes of
|
||
<taxonomicName id="A6F07B63B5CDBCCC53354B74F8B1D0F1" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
|
||
<emphasis id="16E0D5676CF9B63C83C1E2A222BD6A71" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (left; MECN 5809; Cordillera de
|
||
<normalizedToken id="64746EC0470AB58030DFE35ADAB79E9A" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
, Ecuador) and
|
||
<taxonomicName id="F78AF6E720A89AA37CA96BBC7B5C3848" baseAuthorityName="Thomas" baseAuthorityYear="1913" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys hammondi" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="hammondi">
|
||
<emphasis id="5BD14273A345BB616C028732D335C0CA" italics="true" pageId="0" pageNumber="35">Mindomys hammondi</emphasis>
|
||
</taxonomicName>
|
||
(right; NHMUK 13.10.24.58; Mindo, Ecuador), scaled to the same length. The figure portrays differences between the characteristics of these species as follows:
|
||
<taxonomicName id="1DB4C2B67D2AFD235199D7A443FF4B49" class="Magnoliopsida" family="Melastomataceae" kingdom="Plantae" lsidName="M. kutuku" order="Myrtales" pageId="0" pageNumber="35" phylum="Tracheophyta" rank="species" species="kutuku">
|
||
<emphasis id="D738861854B95E5732EE156753A1ED41" italics="true" pageId="0" pageNumber="35">M. kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. has shallower zygomatic notch (zn), posteriorly displaced interorbital constriction (ic), longer incisive foramina (if), larger molars (m), larger auditory bulla (ab), and more caudally directed foramen magnum. Figures are not to scale to facilitate comparisons.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="BD610C98E6055BA9FE1D0A942EDE4728" httpUri="https://binary.pensoft.net/fig/651822" pageId="0" pageNumber="35" start="Figure 12" startId="F12">
|
||
<paragraph id="B2C5FD1AFEDBDE3AE6B9DE1978CFA277" pageId="0" pageNumber="35">
|
||
<emphasis id="D03275E62A9F2BF48F18E5AD12A2955A" bold="true" pageId="0" pageNumber="35">Figure 12.</emphasis>
|
||
Three-dimensional reconstructions of details of the alisphenoid region (
|
||
<emphasis id="A6423989B7C9C66BB5F0F3DA93C861D8" bold="true" pageId="0" pageNumber="35">a, b</emphasis>
|
||
) and the auditory bulla (
|
||
<emphasis id="012F41D67C79209F3740EBDD7B7AB88F" bold="true" pageId="0" pageNumber="35">c, d</emphasis>
|
||
) based on micro-CT data of the holotypes of
|
||
<taxonomicName id="8F6BB98EE0E99DEFCC30909AC02D8106" authorityName="Brito & Koch & Tinoco & Pardiñas" authorityYear="2022" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys kutuku" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="kutuku">
|
||
<emphasis id="35A0EA83DF6F97FB9CF4A9100190D88A" italics="true" pageId="0" pageNumber="35">Mindomys kutuku</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (
|
||
<emphasis id="C81AC5864C2E4F881C9E68C966A1FEE6" bold="true" pageId="0" pageNumber="35">a, c</emphasis>
|
||
MECN 5809; Cordillera de
|
||
<normalizedToken id="2D6FA9D7DCA270A3A9364C9A77E8CC13" originalValue="Kutukú">Kutuku</normalizedToken>
|
||
, Ecuador) and
|
||
<taxonomicName id="59DEF923E322050F055FC461565F7A26" baseAuthorityName="Thomas" baseAuthorityYear="1913" class="Mammalia" family="Cricetidae" genus="Mindomys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mindomys hammondi" order="Rodentia" pageId="0" pageNumber="35" phylum="Chordata" rank="species" species="hammondi">
|
||
<emphasis id="E17DD8E18847374792D52701E5BF6AA7" italics="true" pageId="0" pageNumber="35">Mindomys hammondi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<emphasis id="5A629EAD3F8201AA06D40F3A612138C5" bold="true" pageId="0" pageNumber="35">b, d</emphasis>
|
||
NHMUK 13.10.24.58; Mindo, Ecuador). Acronyms: aalc, anterior opening of alisphenoid canal; ab, auditory bulla; al, alisphenoid; als, alisphenoid strut; bet, bony Eustachian tube; bo, basioccipital; cc, carotid canal, cty, crista tympanica; fo, foramen ovale; bmt, buccinators-masticatory trough; pt, petrosal; sfr, sphenofrontal foramen; sq, squamosal; stf, stapedial foramen; rpm, rostral process of malleus. Figures are not to scale to facilitate comparisons.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |