667 lines
90 KiB
XML
667 lines
90 KiB
XML
<document id="9342649F1FA5D2148136B9B6E8EC5B56" ID-CLB-Dataset="305519" ID-DOI="10.5852/cr-palevol2024v23a20" ID-GBIF-Dataset="7670d934-3421-4044-9c4f-f3ed409dba77" ID-ISSN="1777-571X" ID-Zenodo-Dep="13269380" ID-ZooBank="urn:lsid:zoobank.org:pub:15C1CD83-2D0A-42FE-B630-B322F93E799D" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="valdenar" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="valdenar" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="valdenar" checkinTime="1732639464100" checkinUser="felipe" docAuthor="Jaén, María Carolina Madozzo & Pérez, María Encarnación" docDate="2024" docId="03A287F2252AB22560DFF8B5FBA121AE" docLanguage="en" docName="CRPalevol.23.20.269-292.pdf" docOrigin="Comptes Rendus Palevol 23 (20)" docSource="http://dx.doi.org/10.5852/cr-palevol2024v23a20" docStyle="DocumentStyle:DACF86F01658A8850E13A63D98C287FD.1:CRPalevol.2020-.journal_article" docStyleId="DACF86F01658A8850E13A63D98C287FD" docStyleName="CRPalevol.2020-.journal_article" docStyleVersion="1" docTitle="Orthomyctera rigens" docType="treatment" docVersion="4" lastPageNumber="275" masterDocId="FF9BFF8A252CB22D6030FFE4FFD62420" masterDocTitle="Redescription of a small Caviidae (Rodentia: Hystricognathi) from the Neogene of northwestern Argentina and its systematic implications" masterLastPageNumber="292" masterPageNumber="269" pageNumber="273" updateTime="1734625357617" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="71A5CB9D84148CF8CB5B95B63F5111BB">Redescription of a small Caviidae (Rodentia: Hystricognathi) from the Neogene of northwestern Argentina and its systematic implications</mods:title>
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<mods:namePart id="91E3806FD5FCCC959AE5F0F5BB55047E">Jaén, María Carolina Madozzo</mods:namePart>
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<mods:affiliation id="B8DA77A9693D8D9FEC097FF8F4D1B3D0">Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Superior de Correlación Geológica (INSUGEO), Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán, Miguel Lillo 205, T 4000 JFE, San Miguel de Tucumán (Argentina) cmadozzo @ csnat. unt. edu. ar (corresponding author)</mods:affiliation>
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<mods:nameIdentifier id="87A97B9DB44928BF9FF2939685E4662C" type="email">cmadozzo@csnat.unt.edu.ar</mods:nameIdentifier>
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<mods:namePart id="109C74991CFDCC0E77662D589C1DBFCC">Pérez, María Encarnación</mods:namePart>
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<mods:affiliation id="C6A4B40D6CE63499597463EAC6B0E650">Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Museo Paleontológico Egidio Feruglio (MEF), Avenida Fontana 140, Trelew, U 9100 GYO Chubut (Argentina) mperez @ mef. org. ar</mods:affiliation>
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<mods:title id="980B9D7222B88735355F96BE4224D3ED">Comptes Rendus Palevol</mods:title>
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<treatment id="03A287F2252AB22560DFF8B5FBA121AE" ID-DOI="http://doi.org/10.5281/zenodo.14232203" ID-GBIF-Taxon="247601369" ID-Zenodo-Dep="14232203" LSID="urn:lsid:plazi:treatment:03A287F2252AB22560DFF8B5FBA121AE" httpUri="http://treatment.plazi.org/id/03A287F2252AB22560DFF8B5FBA121AE" lastPageId="8" lastPageNumber="275" pageId="6" pageNumber="273" scope_family="Caviidae" scope_order="Rodentia" scope_subFamily="Caviinae">
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<subSubSection id="C311656F252AB22B60DFF8B5FD4A234C" box="[239,668,1873,1900]" pageId="6" pageNumber="273" type="nomenclature">
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<paragraph id="8BB436E4252AB22B60DFF8B5FD4A234C" blockId="6.[239,668,1873,1932]" box="[239,668,1873,1900]" pageId="6" pageNumber="273">
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<heading id="D0FC8188252AB22B60DFF8B5FD4A234C" box="[239,668,1873,1900]" centered="true" fontSize="10" level="2" pageId="6" pageNumber="273" reason="2">
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<taxonomicName id="4C0B4D67252AB22B60DFF8B5FD4A234C" authority="(Ameghino, 1888)" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[239,668,1873,1900]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="species" species="rigens">
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<emphasis id="B97FEAF6252AB22B60DFF8B5FE1A234C" bold="true" box="[239,460,1873,1900]" italics="true" pageId="6" pageNumber="273">Orthomyctera rigens</emphasis>
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(
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<bibRefCitation id="EF9A4B15252AB22B61EAF8B6FD42234C" author="AMEGHINO F." box="[474,660,1874,1900]" pageId="6" pageNumber="273" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino, 1888</bibRefCitation>
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)
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</taxonomicName>
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</heading>
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</paragraph>
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<subSubSection id="C311656F252AB22B617EF896FDEB23AC" box="[334,573,1906,1932]" pageId="6" pageNumber="273" type="description">
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<paragraph id="8BB436E4252AB22B617EF896FDEB23AC" blockId="6.[239,668,1873,1932]" box="[334,573,1906,1932]" pageId="6" pageNumber="273">
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(
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<figureCitation id="13302A61252AB22B6167F896FE4123AC" box="[343,407,1906,1932]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="6" pageNumber="273">Figs 2</figureCitation>
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;
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<figureCitation id="13302A61252AB22B6195F896FE6523AC" box="[421,435,1906,1932]" captionStart="FIG" captionStartId="8.[132,143,782,799]" captionTargetBox="[132,1455,214,741]" captionTargetId="figure-585@8.[698,1267,213,742]" captionTargetPageId="8" captionText="FIG. 3. — Upper dental series of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb.: A, O. rigens, MACN-A 1661 (holotype); B-E, Orocavia andina n. comb.: B, MACN-Pv 8350 (holotype); C, MACN-Pv 8351; D, MACN-Pv 8399; E, MACN-Pv 8401. Abbreviations: Al, anterior lobe; c, cement; dc, dentine crest;e, enamel; FHy, furrow opposite to hypoflexus;HFI, hypoflexus; HSE, external secondary flexus;M1, upper first molar; M2, upper second molar;M3, upper third molar; Pl, posterior lobe; ppM3, posterior projection of M3; P4, upper fourth premolar. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.14530465" httpUri="https://zenodo.org/record/14530465/files/figure.png" pageId="6" pageNumber="273">3</figureCitation>
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;
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<tableCitation id="C689035F252AB22B618FF896FDCE23AC" box="[447,536,1906,1932]" captionStart="TABLE" captionStartId="5.[132,143,220,237]" captionTargetPageId="5" captionText="TABLE 1. — Compared measurements (in mm) of skull and dentary of Orthomyctera rigens (Ameghino,1888) and Orocavia andina n. comb.Abbreviations:Bw, braincase width; Dl, diastema length; m2l, dorsoventral length at the level of m2 (excluding molariforms); MAEw, external auditory meatus width; MFl, dorsoventral length at the level of the mentonian foramen; p4l, dorsoventral length at the level of p4 (excluding molariforms); Pl, palate length (from the P4 level to the apex of the mesopterigoid fossa); PwM3, palate width at M3 level (measured in the anterior lobe without including teeth); PwP4, palate width at P4 level (measured in the anterior lobe without including teeth); Rl, rostrum length (to nasal-frontal suture); Rw, rostrum width (between nasal-frontal-prmx suture); Iw, interorbital width; Sl, skull length (from nasal-frontal suture); Stl, skull total length (dorsal view). *, average measurements." httpUri="http://table.plazi.org/id/DF74666C2529B22860B4FF38FBCC257E" pageId="6" pageNumber="273" tableUuid="DF74666C2529B22860B4FF38FBCC257E">Tables 1</tableCitation>
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;
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<tableCitation id="C689035F252AB22B6216F896FDE223AC" box="[550,564,1906,1932]" captionStart="TABLE" captionStartId="6.[132,143,219,236]" captionTargetPageId="6" captionText="TABLE 2. — Compared measurements (in mm) of the upper molariforms of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb. Abbreviations: APL, anteroposterior length; LLA, anteroposterior length of anterior lobe; LPL, anteroposterior length of posterior lobe. Abbreviations: L, left; R, right." httpUri="http://table.plazi.org/id/DF74666C252AB22B60B4FF3FFAB72523" pageId="6" pageNumber="273" tableUuid="DF74666C252AB22B60B4FF3FFAB72523">2</tableCitation>
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)
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</paragraph>
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<paragraph id="8BB436E4252AB22B60B4F843FE07239F" blockId="6.[132,490,1959,2027]" box="[132,465,1959,1983]" pageId="6" pageNumber="273">
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<treatmentCitationGroup id="AB1B11CA252AB22B60B4F843FE07239F" box="[132,465,1959,1983]" pageId="6" pageNumber="273">
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<treatmentCitation id="0AAA10F5252AB22B60B4F843FE1B239F" author="AMEGHINO F." box="[132,461,1959,1983]" page="12" pageId="6" pageNumber="273" year="1888">
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<taxonomicName id="4C0B4D67252AB22B60B4F843FE1B239F" authority="Ameghino, 1888: 12" authorityName="Ameghino" authorityPageNumber="12" authorityYear="1888" box="[132,461,1959,1983]" class="Mammalia" family="Caviidae" genus="Cavia" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="species" species="rigens">
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<emphasis id="B97FEAF6252AB22B60B4F843FF2E239F" box="[132,248,1959,1983]" italics="true" pageId="6" pageNumber="273">Cavia rigens</emphasis>
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<bibRefCitation id="EF9A4B15252AB22B60CFF843FE1B239F" author="AMEGHINO F." box="[255,461,1959,1983]" pageId="6" pageNumber="273" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino, 1888: 12</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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.
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</paragraph>
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<paragraph id="8BB436E4252AB22B60B4F837FE3C23CB" blockId="6.[132,490,1959,2027]" box="[132,490,2003,2027]" pageId="6" pageNumber="273">
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<treatmentCitationGroup id="AB1B11CA252AB22B60B4F837FE3C23CB" box="[132,490,2003,2027]" pageId="6" pageNumber="273">
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<treatmentCitation id="0AAA10F5252AB22B60B4F837FE3023CB" author="AMEGHINO F." box="[132,486,2003,2027]" page="372" pageId="6" pageNumber="273" year="1889">
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<taxonomicName id="4C0B4D67252AB22B60B4F837FE3023CB" authority="Ameghino, 1889: 372" authorityName="Ameghino" authorityPageNumber="372" authorityYear="1889" box="[132,486,2003,2027]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="genus">
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<emphasis id="B97FEAF6252AB22B60B4F837FED223CB" box="[132,260,2003,2027]" italics="true" pageId="6" pageNumber="273">Orthomyctera</emphasis>
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<bibRefCitation id="EF9A4B15252AB22B613BF837FE3023CB" author="AMEGHINO F." box="[267,486,2003,2027]" pageId="6" pageNumber="273" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">Ameghino, 1889: 372</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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.
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</paragraph>
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<paragraph id="8BB436E4252AB22B631DFB12FC1B21B6" blockId="6.[813,1455,1270,1320]" lastBlockId="6.[813,1455,1353,1430]" pageId="6" pageNumber="273">
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<materialsCitation id="3B633CB9252AB22B631DFB12FC1B21B6" ID-GBIF-Occurrence="4985329303" collectionCode="TYPE, MATERIAL" country="Argentina" location="Buenos Aires Province" pageId="6" pageNumber="273" specimenCode="MACN-A 1661" specimenCount="1" stateProvince="Buenos Aires Province" typeStatus="lectotype">
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<smallCapsWord id="8D52A038252AB22B6352FB1FFC69212C" baselines="1288" box="[866,959,1275,1292]" lowerCaseFontSize="7" mainFontSize="10" normCase="lower" normString="material" pageId="6" pageNumber="273">MATERIAL</smallCapsWord>
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. —
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<emphasis id="B97FEAF6252AB22B63D7FB12FB6B212F" bold="true" box="[999,1213,1270,1295]" pageId="6" pageNumber="273">
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<typeStatus id="54B08846252AB22B63D7FB12FB9D212E" box="[999,1099,1270,1294]" pageId="6" pageNumber="273" type="lectotype">Lectotype</typeStatus>
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.
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<collectingCountry id="F31C7674252AB22B6464FB13FB6F212F" box="[1108,1209,1271,1295]" name="Argentina" pageId="6" pageNumber="273">Argentina</collectingCountry>
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.
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</emphasis>
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<specimenCode id="DBAD9E9F252AB22B64F3FB12FAB7212E" box="[1219,1377,1270,1294]" collectionCode="MACN-A" pageId="6" pageNumber="273">MACN-A 1661</specimenCode>
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, incomplete skull, with left P4-M3 and right P4-M2.
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<smallCapsWord id="8D52A038252AB22B631DFAADFC8B217F" baselines="1370,1371" box="[813,861,1353,1376]" lowerCaseFontSize="7" mainFontSize="10" normCase="title" normString="Type" pageId="6" pageNumber="273">TYPE</smallCapsWord>
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. —
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<collectingCountry id="F31C7674252AB22B63DDFAADFB862141" box="[1005,1104,1353,1377]" pageId="6" pageNumber="273">Argentina</collectingCountry>
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,
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<collectingRegion id="49CFF806252AB22B646BFAADFAEF2141" box="[1115,1337,1353,1377]" country="Argentina" name="Buenos Aires" pageId="6" pageNumber="273">Buenos Aires Province</collectingRegion>
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,
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<locationDeviation id="9A062FC6252AB22B6573FAADFAF9215B" pageId="6" pageNumber="273">
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<quantity id="4CF39B01252AB22B6573FAADFA522141" box="[1347,1412,1353,1377]" metricMagnitude="4" metricUnit="m" metricValue="6.0" pageId="6" pageNumber="273" unit="km" value="60.0">60 km</quantity>
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east from Bahía Blanca locality, Monte Hermoso locality
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</locationDeviation>
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, (
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<bibRefCitation id="EF9A4B15252AB22B6579FA87FCB721B6" author="AMEGHINO F." pageId="6" pageNumber="273" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">Ameghino 1889</bibRefCitation>
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) (
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<figureCitation id="13302A61252AB22B6346FA9AFC1421B6" box="[886,962,1406,1430]" captionStart="FIG" captionStartId="4.[132,143,1059,1076]" captionTargetBox="[313,1275,214,1018]" captionTargetId="figure-679@4.[365,1002,214,751]" captionTargetPageId="4" captionText="FIG. 1. — Location map indicating the geographic distribution of fossil Caviidae:A, fossil record of Orthomyctera Ameghino,1889 in Argentina;B, in northwestern Argentina. Colours: green, Late Miocene-Early Pliocene; orange, Pliocene.Numbers: 1, Los Reartes valley, Córdoba; 2, Loma de las Tapias,San Juan; 3, Huayquerias, 4, Rio Atuel, Mendoza; 5, Caleufú, La Pampa; 6, Arroyo Chasicó; 7, Monte Hermoso; 8, Chapadmalal, Buenos Aires; 9, Los Alisos, Jujuy; 10, Encalilla, Tucumán; Entre Ríos, Catamarca; Santa María valley; 11, El Cajón valley; 12, Villavil-Quillay basin; 13, Vinchina; 14, El degolladito, La Rioja." figureDoi="http://doi.org/10.5281/zenodo.14530459" httpUri="https://zenodo.org/record/14530459/files/figure.png" pageId="6" pageNumber="273">Fig. 1A</figureCitation>
|
|
).
|
|
</materialsCitation>
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252AB22B631DFA53FC23223D" blockId="6.[813,1462,1463,1566]" pageId="6" pageNumber="273">
|
|
<smallCapsWord id="8D52A038252AB22B631DFA53FC1221ED" baselines="1481,1481" box="[813,964,1463,1487]" lowerCaseFontSize="7" mainFontSize="10" normCase="title" normString="Geographical" pageId="6" pageNumber="273">GEOGRAPHICAL</smallCapsWord>
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|
<smallCapsWord id="8D52A038252AB22B63FCFA58FC2021ED" baselines="1481" box="[972,1014,1468,1485]" lowerCaseFontSize="7" mainFontSize="10" normCase="lower" normString="and" pageId="6" pageNumber="273">AND</smallCapsWord>
|
|
<smallCapsWord id="8D52A038252AB22B63CDFA58FB4421ED" baselines="1481" box="[1021,1170,1468,1485]" lowerCaseFontSize="7" mainFontSize="10" normCase="lower" normString="stratigraphic" pageId="6" pageNumber="273">STRATIGRAPHIC</smallCapsWord>
|
|
<smallCapsWord id="8D52A038252AB22B64A9FA58FACF21ED" baselines="1481" box="[1177,1305,1468,1485]" lowerCaseFontSize="7" mainFontSize="10" normCase="lower" normString="provenance" pageId="6" pageNumber="273">PROVENANCE</smallCapsWord>
|
|
. —
|
|
<collectingCountry id="F31C7674252AB22B6578FA53FA6421EF" box="[1352,1458,1463,1487]" name="Argentina" pageId="6" pageNumber="273">Argentina</collectingCountry>
|
|
,
|
|
<collectingRegion id="49CFF806252AB22B631DFA36FC6621C9" box="[813,944,1489,1513]" country="Argentina" name="Ciudad Autonoma de Buenos Aires" pageId="6" pageNumber="273">Buenos Aires</collectingRegion>
|
|
, Monte Hermoso locality, Monte Hermoso Formation, Early Pliocene (
|
|
<bibRefCitation id="EF9A4B15252AB22B63C8FA0FFB042224" author="DESCHAMPS C. M. & VUCETICH M. G. & VERZI D. H. & OLIVARES A. I." box="[1016,1234,1515,1540]" pageId="6" pageNumber="273" pagination="1 - 9" refId="ref15955" refString="DESCHAMPS C. M., VUCETICH M. G., VERZI D. H. & OLIVARES A. I. 2012. - Biostratigraphy and correlation of the Monte Hermoso Formation (early Pliocene, Argentina): the evidence from caviomorph rodents. Journal of South American Earth Sciences 35: 1 - 9. https: // doi. org / 10.1016 / j. jsames. 2011.10.006" type="journal article" year="2012">
|
|
Deschamps
|
|
<emphasis id="B97FEAF6252AB22B645DFA08FB4D2223" box="[1133,1179,1515,1539]" italics="true" pageId="6" pageNumber="273">et al.</emphasis>
|
|
2012
|
|
</bibRefCitation>
|
|
;
|
|
<bibRefCitation id="EF9A4B15252AB22B64ECFA0FFA7F2224" author="TOMASSINI R. L. & MONTALVO C. I. & DESCHAMPS C. M. & MANERA T." box="[1244,1449,1515,1540]" pageId="6" pageNumber="273" pagination="31 - 42" refId="ref18960" refString="TOMASSINI R. L., MONTALVO C. I., DESCHAMPS C. M. & MANERA T. 2013. - Biostratigraphy and biochronology of the Monte Hermoso Formation (early Pliocene) at its type locality, Buenos Aires Province, Argentina. Journal of South American Earth Sciences 48: 31 - 42. https: // doi. org / 10.1016 / j. jsames. 2013.08.002" type="journal article" year="2013">
|
|
Tomassini
|
|
<emphasis id="B97FEAF6252AB22B6574FA08FAA42223" box="[1348,1394,1515,1539]" italics="true" pageId="6" pageNumber="273">et al.</emphasis>
|
|
2013
|
|
</bibRefCitation>
|
|
;
|
|
<bibRefCitation id="EF9A4B15252AB22B631DF9E2FC3E223E" author="PREVOSTI F. J. & ROMANO C. O. & FORASIEPI A. M. & HEMMING S. & BONINI R. & CANDELA A. M. & CERDENO E. & MADOZZO JAEN M. C. & ORTIZ P. E. & PUJOS F. & RASIA L. & SCHMIDT G. I. & TAGLIORETTI M. & MACPHEE R. D. E. & PARDINAS U. F. J." box="[813,1000,1542,1566]" pageId="6" pageNumber="273" refId="ref18238" refString="PREVOSTI F. J., ROMANO C. O., FORASIEPI A. M., HEMMING S., BONINI R., CANDELA A. M., CERDENO E., MADOZZO JAEN M. C., ORTIZ P. E., PUJOS F., RASIA L., SCHMIDT G. I., TAGLIORETTI M., MACPHEE R. D. E. & PARDINAS U. F. J. 2021. New radiometric 40 Ar- 39 Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America. Scientific Reports 11 (1): 9830. https: // doi. org / 10.1038 / s 41598 - 021 - 89135 - 1" type="journal volume" year="2021">
|
|
Prevosti
|
|
<emphasis id="B97FEAF6252AB22B63B0F9E3FC79223E" box="[896,943,1542,1566]" italics="true" pageId="6" pageNumber="273">et al.</emphasis>
|
|
2021
|
|
</bibRefCitation>
|
|
).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="C311656F252AB225631DF9B7FEB620AE" lastPageId="8" lastPageNumber="275" pageId="6" pageNumber="273" type="description">
|
|
<paragraph id="8BB436E4252AB22B631DF9B7FB53224B" blockId="6.[811,1457,1619,1901]" box="[813,1157,1619,1645]" pageId="6" pageNumber="273">
|
|
<smallCapsWord id="8D52A038252AB22B631DF9B7FC6B224B" baselines="1638,1638" box="[813,957,1619,1645]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Description" pageId="6" pageNumber="273">DESCRIPTION</smallCapsWord>
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|
<smallCapsWord id="8D52A038252AB22B63F5F9BCFC25224B" baselines="1638" box="[965,1011,1624,1643]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="and" pageId="6" pageNumber="273">AND</smallCapsWord>
|
|
<smallCapsWord id="8D52A038252AB22B63CAF9BCFB53224B" baselines="1638" box="[1018,1157,1624,1643]" lowerCaseFontSize="8" mainFontSize="11" normCase="lower" normString="comparison" pageId="6" pageNumber="273">COMPARISON</smallCapsWord>
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|
</paragraph>
|
|
<paragraph id="8BB436E4252AB22B631DF997FC5A22AD" blockId="6.[811,1457,1619,1901]" box="[813,908,1651,1677]" pageId="6" pageNumber="273">
|
|
<emphasis id="B97FEAF6252AB22B631DF997FC5A22AD" box="[813,908,1651,1677]" italics="true" pageId="6" pageNumber="273">Cranium</emphasis>
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252AB22B631DF977FC24234C" blockId="6.[811,1457,1619,1901]" pageId="6" pageNumber="273">
|
|
The skull and only known specimen of
|
|
<taxonomicName id="4C0B4D67252AB22B6523F977FCBA22EC" baseAuthorityName="Ameghino" baseAuthorityYear="1888" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF6252AB22B6523F977FCBA22EC" italics="true" pageId="6" pageNumber="273">Orthomyctera rigens</emphasis>
|
|
</taxonomicName>
|
|
is poorly preserved (
|
|
<figureCitation id="13302A61252AB22B6454F956FB7122ED" box="[1124,1191,1714,1741]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="6" pageNumber="273">Fig. 2</figureCitation>
|
|
A-D), missing most of the rostrum, the zygomatic process, and the braincase. The anteroposterior length of the skull is incomplete because it is broken, but larger than in
|
|
<taxonomicName id="4C0B4D67252AB22B64B6F8F7FA89230C" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[1158,1375,1810,1836]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252AB22B64B6F8F7FA89230C" box="[1158,1375,1810,1836]" italics="true" pageId="6" pageNumber="273">Microcavia australis</emphasis>
|
|
</taxonomicName>
|
|
, and it seems smaller than of
|
|
<taxonomicName id="4C0B4D67252AB22B642CF8D6FA9E236C" authority="Ameghino, 1916" authorityName="Ameghino" authorityYear="1916" box="[1052,1352,1842,1868]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252AB22B642CF8D6FB53236C" box="[1052,1157,1842,1868]" italics="true" pageId="6" pageNumber="273">Dolicavia</emphasis>
|
|
Ameghino, 1916
|
|
</taxonomicName>
|
|
(
|
|
<tableCitation id="C689035F252AB22B6567F8D6FA71236C" box="[1367,1447,1842,1868]" captionStart="TABLE" captionStartId="5.[132,143,220,237]" captionTargetPageId="5" captionText="TABLE 1. — Compared measurements (in mm) of skull and dentary of Orthomyctera rigens (Ameghino,1888) and Orocavia andina n. comb.Abbreviations:Bw, braincase width; Dl, diastema length; m2l, dorsoventral length at the level of m2 (excluding molariforms); MAEw, external auditory meatus width; MFl, dorsoventral length at the level of the mentonian foramen; p4l, dorsoventral length at the level of p4 (excluding molariforms); Pl, palate length (from the P4 level to the apex of the mesopterigoid fossa); PwM3, palate width at M3 level (measured in the anterior lobe without including teeth); PwP4, palate width at P4 level (measured in the anterior lobe without including teeth); Rl, rostrum length (to nasal-frontal suture); Rw, rostrum width (between nasal-frontal-prmx suture); Iw, interorbital width; Sl, skull length (from nasal-frontal suture); Stl, skull total length (dorsal view). *, average measurements." httpUri="http://table.plazi.org/id/DF74666C2529B22860B4FF38FBCC257E" pageId="6" pageNumber="273" tableUuid="DF74666C2529B22860B4FF38FBCC257E">Table 1</tableCitation>
|
|
; Appendices 4; 5).
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252AB22B631DF875FAD423CC" blockId="6.[811,1455,1937,2028]" pageId="6" pageNumber="273">
|
|
<emphasis id="B97FEAF6252AB22B631DF875FC49238B" bold="true" box="[813,927,1937,1963]" pageId="6" pageNumber="273">Premaxilla</emphasis>
|
|
. The premaxilla (
|
|
<tableCitation id="C689035F252AB22B6463F876FB49238C" box="[1107,1183,1938,1964]" captionStart="TABLE" captionStartId="5.[132,143,220,237]" captionTargetPageId="5" captionText="TABLE 1. — Compared measurements (in mm) of skull and dentary of Orthomyctera rigens (Ameghino,1888) and Orocavia andina n. comb.Abbreviations:Bw, braincase width; Dl, diastema length; m2l, dorsoventral length at the level of m2 (excluding molariforms); MAEw, external auditory meatus width; MFl, dorsoventral length at the level of the mentonian foramen; p4l, dorsoventral length at the level of p4 (excluding molariforms); Pl, palate length (from the P4 level to the apex of the mesopterigoid fossa); PwM3, palate width at M3 level (measured in the anterior lobe without including teeth); PwP4, palate width at P4 level (measured in the anterior lobe without including teeth); Rl, rostrum length (to nasal-frontal suture); Rw, rostrum width (between nasal-frontal-prmx suture); Iw, interorbital width; Sl, skull length (from nasal-frontal suture); Stl, skull total length (dorsal view). *, average measurements." httpUri="http://table.plazi.org/id/DF74666C2529B22860B4FF38FBCC257E" pageId="6" pageNumber="273" tableUuid="DF74666C2529B22860B4FF38FBCC257E">Table 1</tableCitation>
|
|
) is poorly preserved in the ventral view (
|
|
<figureCitation id="13302A61252AB22B638AF856FBD823EC" box="[954,1038,1970,1996]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="6" pageNumber="273">Fig. 2D</figureCitation>
|
|
), the incisive foramina seem triangular-shaped, as in
|
|
<taxonomicName id="4C0B4D67252AB22B638DF836FBEF23CB" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[957,1081,2001,2027]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252AB22B638DF836FBEF23CB" box="[957,1081,2001,2027]" italics="true" pageId="6" pageNumber="273">M. australis</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C0B4D67252AB22B645FF836FB2D23CB" authorityName="MLP" baseAuthorityName="Ameghino" baseAuthorityYear="1908" box="[1135,1275,2001,2028]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="273" phylum="Chordata" rank="species" species="minuscula">
|
|
<emphasis id="B97FEAF6252AB22B645FF836FB5223CB" box="[1135,1156,2002,2027]" italics="true" pageId="6" pageNumber="273">D</emphasis>
|
|
.
|
|
<emphasis id="B97FEAF6252AB22B64A1F835FB2D23CB" box="[1169,1275,2001,2027]" italics="true" pageId="6" pageNumber="273">minuscula</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
<caption id="DF74666C252BB22A60B4FC7DFCB227F7" ID-DOI="http://doi.org/10.5281/zenodo.14530463" ID-Zenodo-Dep="14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274" startId="7.[132,143,921,938]" targetBox="[132,1455,215,879]" targetPageId="7" targetType="figure">
|
|
<paragraph id="8BB436E4252BB22A60B4FC7DFCB227F7" blockId="7.[132,1457,921,983]" pageId="7" pageNumber="274">
|
|
<smallCapsWord id="8D52A038252BB22A60B4FC7DFF4B2789" baselines="934,934" box="[132,157,921,938]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="7" pageNumber="274">FIG</smallCapsWord>
|
|
. 2. —
|
|
<taxonomicName id="4C0B4D67252BB22A60E3FC7DFDC4278A" authority="(Ameghino, 1888)" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[211,530,921,938]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF6252BB22A60E3FC7DFEAA278A" box="[211,380,921,938]" italics="true" pageId="7" pageNumber="274">Orthomyctera rigens</emphasis>
|
|
(
|
|
<bibRefCitation id="EF9A4B15252BB22A61B5FC7DFDD8278A" author="AMEGHINO F." box="[389,526,921,938]" pageId="7" pageNumber="274" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino, 1888</bibRefCitation>
|
|
)
|
|
</taxonomicName>
|
|
MACN-A 1661 (holotype):
|
|
<emphasis id="B97FEAF6252BB22A62C1FC7DFD28278A" bold="true" box="[753,766,921,938]" pageId="7" pageNumber="274">A</emphasis>
|
|
, lateral view;
|
|
<emphasis id="B97FEAF6252BB22A635FFC7DFCAA278A" bold="true" box="[879,892,921,938]" pageId="7" pageNumber="274">B</emphasis>
|
|
, detail of lateral view;
|
|
<emphasis id="B97FEAF6252BB22A6404FC7DFB94278A" bold="true" box="[1076,1090,921,938]" pageId="7" pageNumber="274">C</emphasis>
|
|
, dorsal view;
|
|
<emphasis id="B97FEAF6252BB22A6483FC7DFB17278A" bold="true" box="[1203,1217,921,938]" pageId="7" pageNumber="274">D</emphasis>
|
|
, ventral view. Abbreviations:
|
|
<emphasis id="B97FEAF6252BB22A60B4FC4BFF4D27E0" bold="true" box="[132,155,943,960]" pageId="7" pageNumber="274">bg</emphasis>
|
|
, bulge;
|
|
<emphasis id="B97FEAF6252BB22A60EEFC4BFED127E0" bold="true" box="[222,263,943,960]" pageId="7" pageNumber="274">fmpt</emphasis>
|
|
, mesopterigoid fossa;
|
|
<emphasis id="B97FEAF6252BB22A61F6FC4BFE0E27E0" bold="true" box="[454,472,943,960]" pageId="7" pageNumber="274">Fr</emphasis>
|
|
, frontal;
|
|
<emphasis id="B97FEAF6252BB22A6212FC4BFDE427E0" bold="true" box="[546,562,943,960]" pageId="7" pageNumber="274">ig</emphasis>
|
|
, infraorbital groove;
|
|
<emphasis id="B97FEAF6252BB22A62EFFC4BFCD727E0" bold="true" box="[735,769,943,960]" italics="true" pageId="7" pageNumber="274">mm</emphasis>
|
|
, notch for the tendon of medial part of masseter muscle;
|
|
<emphasis id="B97FEAF6252BB22A64D1FC4BFB2A27E0" bold="true" box="[1249,1276,943,960]" pageId="7" pageNumber="274">Mx</emphasis>
|
|
, Maxilla;
|
|
<emphasis id="B97FEAF6252BB22A657BFC4BFAB427E0" bold="true" box="[1355,1378,943,960]" pageId="7" pageNumber="274">Pa</emphasis>
|
|
, parietal;
|
|
<emphasis id="B97FEAF6252BB22A60B4FC22FF7D27F7" bold="true" box="[132,171,966,983]" pageId="7" pageNumber="274">Pmx</emphasis>
|
|
, premaxilla,
|
|
<emphasis id="B97FEAF6252BB22A6126FC22FEFF27F7" bold="true" box="[278,297,966,983]" pageId="7" pageNumber="274">Pt</emphasis>
|
|
, palatine;
|
|
<emphasis id="B97FEAF6252BB22A614FFC22FE7727F7" bold="true" box="[383,417,966,983]" pageId="7" pageNumber="274">rMx</emphasis>
|
|
, lateral ridge of infraorbital groove. Scale bar: 10 mm.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="8BB436E4252BB22A60B4FBF1FE96226E" blockId="7.[131,777,1045,1614]" pageId="7" pageNumber="274">
|
|
<emphasis id="B97FEAF6252BB22A60B4FBF1FF0D200F" bold="true" box="[132,219,1045,1071]" pageId="7" pageNumber="274">Maxilla</emphasis>
|
|
. The lateral ridge of the infraorbital groove (rMx;
|
|
<figureCitation id="13302A61252BB22A60B3FBD1FF0E206F" box="[131,216,1077,1103]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274">Fig. 2B</figureCitation>
|
|
) is similar than
|
|
<taxonomicName id="4C0B4D67252BB22A61A0FBD2FD9D206F" authorityName="Kraglievich" authorityYear="1932" box="[400,587,1077,1103]" class="Mammalia" family="Caviidae" genus="Neocavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="lozanoi">
|
|
<emphasis id="B97FEAF6252BB22A61A0FBD2FD9D206F" box="[400,587,1077,1103]" italics="true" pageId="7" pageNumber="274">Neocavia lozanoi</emphasis>
|
|
</taxonomicName>
|
|
and some specimens of
|
|
<taxonomicName id="4C0B4D67252BB22A60DEFBB1FE8C204F" authorityName="Ameghino" authorityYear="1916" box="[238,346,1109,1135]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A60DEFBB1FE8C204F" box="[238,346,1109,1135]" italics="true" pageId="7" pageNumber="274">Dolicavia</emphasis>
|
|
</taxonomicName>
|
|
(e.g. MMP 536-S), while dorsoventrally is lower than in
|
|
<taxonomicName id="4C0B4D67252BB22A61BCFB91FDC720AE" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[396,529,1140,1166]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252BB22A61BCFB91FDC720AE" box="[396,529,1140,1166]" italics="true" pageId="7" pageNumber="274">M. australis</emphasis>
|
|
</taxonomicName>
|
|
and other specimens of
|
|
<taxonomicName id="4C0B4D67252BB22A6093FB70FEDB208E" authorityName="Ameghino" authorityYear="1916" box="[163,269,1172,1198]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A6093FB70FEDB208E" box="[163,269,1172,1198]" italics="true" pageId="7" pageNumber="274">Dolicavia</emphasis>
|
|
</taxonomicName>
|
|
(e.g. MACN-Pv 10617). In lateral view, the posterior border of the diastema is vertical, and the suture between both maxillae forms a small bulge (
|
|
<figureCitation id="13302A61252BB22A62B3FB30FD0A20CE" box="[643,732,1236,1262]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274">Fig. 2A</figureCitation>
|
|
), as in
|
|
<taxonomicName id="4C0B4D67252BB22A6095FB11FEFF212E" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[165,297,1268,1294]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252BB22A6095FB11FEFF212E" box="[165,297,1268,1294]" italics="true" pageId="7" pageNumber="274">M. australis</emphasis>
|
|
</taxonomicName>
|
|
and in
|
|
<taxonomicName id="4C0B4D67252BB22A61BAFB11FDC9212E" authorityName="MLP" baseAuthorityName="Ameghino" baseAuthorityYear="1908" box="[394,543,1268,1294]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="minuscula">
|
|
<emphasis id="B97FEAF6252BB22A61BAFB11FDC9212E" box="[394,543,1268,1294]" italics="true" pageId="7" pageNumber="274">D. minuscula</emphasis>
|
|
</taxonomicName>
|
|
. A small portion of the maxillary zygomatic process is preserved on the left side at the level of P4-M1. In ventral view, the notch for the tendon of the medial part of the masseter muscle in the origin of the zygomatic arch is an elliptical concavity with well-defined edges (
|
|
<figureCitation id="13302A61252BB22A6198FA77FDD4218E" box="[424,514,1427,1454]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274">Fig. 2D</figureCitation>
|
|
) as
|
|
<taxonomicName id="4C0B4D67252BB22A6206FA70FD1D218D" authorityName="MLP" baseAuthorityName="Ameghino" baseAuthorityYear="1908" box="[566,715,1427,1453]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="minuscula">
|
|
<emphasis id="B97FEAF6252BB22A6206FA70FD1D218D" box="[566,715,1427,1453]" italics="true" pageId="7" pageNumber="274">D. minuscula</emphasis>
|
|
</taxonomicName>
|
|
. The palate is terraced (maxillopalatal portion of the palate more dorsal than the lateral maxillary portion;
|
|
<figureCitation id="13302A61252BB22A62AEFA37FD2E21CD" box="[670,760,1491,1517]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274">Fig. 2D</figureCitation>
|
|
). This terracing is similar to the condition of “
|
|
<taxonomicName id="4C0B4D67252BB22A6259FA17FF04220D" baseAuthorityName="Rovereto" baseAuthorityYear="1914" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="andina">
|
|
<emphasis id="B97FEAF6252BB22A6259FA17FD2D222D" box="[617,763,1523,1549]" italics="true" pageId="7" pageNumber="274">Orthomyctera</emphasis>
|
|
”
|
|
<emphasis id="B97FEAF6252BB22A60B4F9F7FF04220D" box="[132,210,1555,1581]" italics="true" pageId="7" pageNumber="274">andina</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C0B4D67252BB22A613CF9F0FEA9220D" authorityName="Kraglievich" authorityYear="1932" box="[268,383,1555,1581]" class="Mammalia" family="Caviidae" genus="Neocavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="lozanoi">
|
|
<emphasis id="B97FEAF6252BB22A613CF9F0FEA9220D" box="[268,383,1555,1581]" italics="true" pageId="7" pageNumber="274">N. lozanoi</emphasis>
|
|
</taxonomicName>
|
|
and is shallower than in
|
|
<taxonomicName id="4C0B4D67252BB22A62ADF9F7FCD1220D" authorityName="Ameghino" authorityYear="1916" box="[669,775,1555,1581]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A62ADF9F7FCD1220D" box="[669,775,1555,1581]" italics="true" pageId="7" pageNumber="274">Dolicavia</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C0B4D67252BB22A6086F9D0FEEF226D" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[182,313,1587,1613]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252BB22A6086F9D0FEEF226D" box="[182,313,1587,1613]" italics="true" pageId="7" pageNumber="274">M. australis</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252BB22A60B4F997FDEE232C" blockId="7.[132,775,1651,1805]" pageId="7" pageNumber="274">
|
|
<emphasis id="B97FEAF6252BB22A60B4F997FF0322AD" bold="true" box="[132,213,1651,1677]" pageId="7" pageNumber="274">Frontal</emphasis>
|
|
. In dorsal view, the anterior portion of the frontal are flat (
|
|
<figureCitation id="13302A61252BB22A60EDF977FE99228D" box="[221,335,1683,1709]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274">Fig. 2B, C</figureCitation>
|
|
), at the level of the orbital region. Other characteristics (e.g. ledge or the dorsal hole or orbital constriction) described by
|
|
<bibRefCitation id="EF9A4B15252BB22A6166F936FDCD22CD" author="AMEGHINO F." box="[342,539,1746,1773]" pageId="7" pageNumber="274" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">Ameghino (1889)</bibRefCitation>
|
|
cannot be confirmed due to poor preservation of the remains.
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252BB22A60B4F8D6FEFD23CB" blockId="7.[132,775,1842,2028]" pageId="7" pageNumber="274">
|
|
<emphasis id="B97FEAF6252BB22A60B4F8D6FF08236C" bold="true" box="[132,222,1842,1868]" pageId="7" pageNumber="274">Parietal</emphasis>
|
|
. The parietal is displaced from its original position and broken in the posterior portion. The conserved portion is convex as in
|
|
<taxonomicName id="4C0B4D67252BB22A61ACF897FDF723AC" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[412,545,1906,1932]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252BB22A61ACF897FDF723AC" box="[412,545,1906,1932]" italics="true" pageId="7" pageNumber="274">M. australis</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C0B4D67252BB22A6202F897FD1D23AC" authorityName="MLP" baseAuthorityName="Ameghino" baseAuthorityYear="1908" box="[562,715,1906,1932]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="minuscula">
|
|
<emphasis id="B97FEAF6252BB22A6202F897FD1D23AC" box="[562,715,1906,1932]" italics="true" pageId="7" pageNumber="274">D. minuscula</emphasis>
|
|
</taxonomicName>
|
|
, and
|
|
<taxonomicName id="4C0B4D67252BB22A60B6F877FF28238C" authorityName="Kraglievich" authorityYear="1932" box="[134,254,1938,1964]" class="Mammalia" family="Caviidae" genus="Neocavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="lozanoi">
|
|
<emphasis id="B97FEAF6252BB22A60B6F877FF28238C" box="[134,254,1938,1964]" italics="true" pageId="7" pageNumber="274">N. lozanoi</emphasis>
|
|
</taxonomicName>
|
|
; the left temporal fossa seems as shallow as in other caviines (e.g.
|
|
<taxonomicName id="4C0B4D67252BB22A61BDF856FDC423EC" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[397,530,1970,1996]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252BB22A61BDF856FE7323EB" box="[397,421,1970,1995]" italics="true" pageId="7" pageNumber="274">M</emphasis>
|
|
.
|
|
<emphasis id="B97FEAF6252BB22A6186F856FDC423EC" box="[438,530,1970,1996]" italics="true" pageId="7" pageNumber="274">australis</emphasis>
|
|
</taxonomicName>
|
|
) the right portion is not preserved.
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252BB22A631DFBF1FBCA214E" blockId="7.[811,1456,1045,1390]" pageId="7" pageNumber="274">
|
|
<emphasis id="B97FEAF6252BB22A631DFBF1FC50200F" bold="true" box="[813,902,1045,1071]" pageId="7" pageNumber="274">Palatine</emphasis>
|
|
. The palatine bone occupies 25% of the anteroposterior length (APL) of the palate (
|
|
<figureCitation id="13302A61252BB22A64BBFBD1FB09206F" box="[1163,1247,1077,1103]" captionStart="FIG" captionStartId="7.[132,143,921,938]" captionTargetBox="[132,1455,215,879]" captionTargetId="figure-622@7.[698,1267,213,785]" captionTargetPageId="7" captionText="FIG. 2. — Orthomyctera rigens (Ameghino, 1888) MACN-A 1661 (holotype): A, lateral view; B, detail of lateral view; C, dorsal view; D, ventral view. Abbreviations: bg, bulge; fmpt, mesopterigoid fossa; Fr, frontal; ig, infraorbital groove; mm, notch for the tendon of medial part of masseter muscle; Mx, Maxilla; Pa, parietal; Pmx, premaxilla, Pt, palatine; rMx, lateral ridge of infraorbital groove. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.14530463" httpUri="https://zenodo.org/record/14530463/files/figure.png" pageId="7" pageNumber="274">Fig. 2D</figureCitation>
|
|
). The medial suture between both maxillary counterparts and between maxilla and palatine are not completely fused, indicating that it could be a still young individual. The anterior border of the mesopterygoid fossa is U-shaped, extending up to the anterior lobe of M3, as in other
|
|
<taxonomicName id="4C0B4D67252BB22A63CEFB30FB8A20CE" authorityName="Fischer de Waldheim" authorityYear="1817" box="[1022,1116,1236,1262]" class="Mammalia" family="Caviidae" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="subFamily" subFamily="Caviinae">Caviinae</taxonomicName>
|
|
(e.g.
|
|
<taxonomicName id="4C0B4D67252BB22A64AFFB30FAD420CE" authorityName="Ameghino" authorityYear="1916" box="[1183,1282,1236,1262]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A64AFFB30FAD420CE" box="[1183,1282,1236,1262]" italics="true" pageId="7" pageNumber="274">Dolicavia</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C0B4D67252BB22A6521FB31FA7F20CE" authorityName="Meyen" authorityYear="1833" box="[1297,1449,1236,1263]" class="Mammalia" family="Caviidae" genus="Galea" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="musteloides">
|
|
<emphasis id="B97FEAF6252BB22A6521FB31FA7F20CE" box="[1297,1449,1236,1263]" italics="true" pageId="7" pageNumber="274">G. musteloides</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C0B4D67252BB22A631DFB11FC71212E" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[813,935,1268,1294]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF6252BB22A631DFB11FC71212E" box="[813,935,1268,1294]" italics="true" pageId="7" pageNumber="274">M. australis</emphasis>
|
|
</taxonomicName>
|
|
). However, it differs from
|
|
<taxonomicName id="4C0B4D67252BB22A64F4FB10FAD4212E" authorityName="Pallas" authorityYear="1766" box="[1220,1282,1268,1294]" class="Mammalia" family="Caviidae" genus="Cavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A64F4FB10FAD4212E" box="[1220,1282,1268,1294]" italics="true" pageId="7" pageNumber="274">Cavia</emphasis>
|
|
</taxonomicName>
|
|
, which presents a palatal process; it also differs from
|
|
<taxonomicName id="4C0B4D67252BB22A648AFAF0FA91210E" authorityName="Pocock" authorityYear="1922" box="[1210,1351,1300,1326]" class="Mammalia" family="Caviidae" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="subFamily" subFamily="Dolichotinae">Dolichotinae</taxonomicName>
|
|
in which the mesopterygoid fossa extends up to M2 and has a V-shape (see
|
|
<bibRefCitation id="EF9A4B15252BB22A636CFAB0FBDB214E" author="AMEGHINO F." box="[860,1037,1364,1390]" pageId="7" pageNumber="274" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">Ameghino 1889</bibRefCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252BB22A631DFA77FC72218D" blockId="7.[811,1457,1427,2028]" box="[813,932,1427,1453]" pageId="7" pageNumber="274">
|
|
<heading id="D0FC8188252BB22A631DFA77FC72218D" box="[813,932,1427,1453]" fontSize="11" level="2" pageId="7" pageNumber="274" reason="8">
|
|
<emphasis id="B97FEAF6252BB22A631DFA77FC72218D" box="[813,932,1427,1453]" italics="true" pageId="7" pageNumber="274">Cheek teeth</emphasis>
|
|
</heading>
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252BB22A631DFA50FB82224D" blockId="7.[811,1457,1427,2028]" pageId="7" pageNumber="274">
|
|
In the publication of 1889, Ameghino wrote: “
|
|
<emphasis id="B97FEAF6252BB22A6522FA57FACA21CD" italics="true" pageId="7" pageNumber="274">todas las muelas del lado derecho y las tres primeras del izquierdo</emphasis>
|
|
”, that means “all the molars on the right side and the first three on the left”. However, this is a simple confusion that needs to be clarified, since the specimen
|
|
<collectionCode id="ED1AAE21252BB22A63C8F9D7FBB0226D" box="[1016,1126,1587,1613]" pageId="7" pageNumber="274">MACN-A</collectionCode>
|
|
1661 preserves the left P4-M3 and right P4-M2 (
|
|
<figureCitation id="13302A61252BB22A63C5F9B7FB9E224D" box="[1013,1096,1619,1645]" captionStart="FIG" captionStartId="8.[132,143,782,799]" captionTargetBox="[132,1455,214,741]" captionTargetId="figure-585@8.[698,1267,213,742]" captionTargetPageId="8" captionText="FIG. 3. — Upper dental series of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb.: A, O. rigens, MACN-A 1661 (holotype); B-E, Orocavia andina n. comb.: B, MACN-Pv 8350 (holotype); C, MACN-Pv 8351; D, MACN-Pv 8399; E, MACN-Pv 8401. Abbreviations: Al, anterior lobe; c, cement; dc, dentine crest;e, enamel; FHy, furrow opposite to hypoflexus;HFI, hypoflexus; HSE, external secondary flexus;M1, upper first molar; M2, upper second molar;M3, upper third molar; Pl, posterior lobe; ppM3, posterior projection of M3; P4, upper fourth premolar. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.14530465" httpUri="https://zenodo.org/record/14530465/files/figure.png" pageId="7" pageNumber="274">Fig. 3A</figureCitation>
|
|
).
|
|
</paragraph>
|
|
<paragraph id="8BB436E4252BB22A6373F997FBF923CB" blockId="7.[811,1457,1427,2028]" pageId="7" pageNumber="274">
|
|
The cheek teeth are euhypsodont and double heart-shaped, with a constriction in the lingual apex of the lobes, and a transverse dentine crest in the middle of the occlusal surface of each lobe (
|
|
<figureCitation id="13302A61252BB22A6388F936FBDE22CD" box="[952,1032,1746,1773]" captionStart="FIG" captionStartId="8.[132,143,782,799]" captionTargetBox="[132,1455,214,741]" captionTargetId="figure-585@8.[698,1267,213,742]" captionTargetPageId="8" captionText="FIG. 3. — Upper dental series of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb.: A, O. rigens, MACN-A 1661 (holotype); B-E, Orocavia andina n. comb.: B, MACN-Pv 8350 (holotype); C, MACN-Pv 8351; D, MACN-Pv 8399; E, MACN-Pv 8401. Abbreviations: Al, anterior lobe; c, cement; dc, dentine crest;e, enamel; FHy, furrow opposite to hypoflexus;HFI, hypoflexus; HSE, external secondary flexus;M1, upper first molar; M2, upper second molar;M3, upper third molar; Pl, posterior lobe; ppM3, posterior projection of M3; P4, upper fourth premolar. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.14530465" httpUri="https://zenodo.org/record/14530465/files/figure.png" pageId="7" pageNumber="274">Fig. 3A</figureCitation>
|
|
), as in other
|
|
<taxonomicName id="4C0B4D67252BB22A64BCF936FB3C22CC" authorityName="Fischer de Waldheim" authorityYear="1817" box="[1164,1258,1746,1772]" class="Mammalia" family="Caviidae" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="subFamily" subFamily="Caviinae">Caviinae</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C0B4D67252BB22A652CF936FA7A22CC" authorityName="Pocock" authorityYear="1922" box="[1308,1452,1746,1772]" class="Mammalia" family="Caviidae" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="subFamily" subFamily="Dolichotinae">Dolichotinae</taxonomicName>
|
|
. The hypoflexus is funnel-shaped with cement; enamel is interrupted at the labial wall, except along the external secondary flexus (HSE). The HSE of molariforms of
|
|
<taxonomicName id="4C0B4D67252BB22A64DDF8D6FA9F236C" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[1261,1353,1842,1868]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF6252BB22A64DDF8D6FA9F236C" box="[1261,1353,1842,1868]" italics="true" pageId="7" pageNumber="274">O. rigens</emphasis>
|
|
</taxonomicName>
|
|
is similar to
|
|
<emphasis id="B97FEAF6252BB22A6377F8B6FB28234C" box="[839,1278,1874,1900]" italics="true" pageId="7" pageNumber="274">
|
|
<taxonomicName id="4C0B4D67252BB22A6377F8B6FC7C234C" authorityName="Ameghino" authorityYear="1916" box="[839,938,1874,1900]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">Dolicavia</taxonomicName>
|
|
and shallower than in other cavies
|
|
</emphasis>
|
|
(e.g.
|
|
<taxonomicName id="4C0B4D67252BB22A6505F8B6FAA4234C" authorityName="Pallas" authorityYear="1766" box="[1333,1394,1874,1900]" class="Mammalia" family="Caviidae" genus="Cavia" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A6505F8B6FAA4234C" box="[1333,1394,1874,1900]" italics="true" pageId="7" pageNumber="274">Cavia</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C0B4D67252BB22A654EF8B7FCB723AC" authorityName="Kraglievich" authorityYear="1932" class="Mammalia" family="Caviidae" genus="Neocavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A654EF8B7FCB723AC" italics="true" pageId="7" pageNumber="274">Neocavia</emphasis>
|
|
</taxonomicName>
|
|
) and, differs from the flexus of
|
|
<taxonomicName id="4C0B4D67252BB22A64ABF896FB2923AC" authorityName="Desmarest" authorityYear="1820" box="[1179,1279,1906,1932]" class="Mammalia" family="Caviidae" genus="Dolichotis" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF6252BB22A64ABF896FB2923AC" box="[1179,1279,1906,1932]" italics="true" pageId="7" pageNumber="274">Dolichotis</emphasis>
|
|
</taxonomicName>
|
|
and “
|
|
<taxonomicName id="4C0B4D67252BB22A650DF896FA7923AC" baseAuthorityName="Rovereto" baseAuthorityYear="1914" box="[1341,1455,1906,1932]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="274" phylum="Chordata" rank="species" species="andina">
|
|
<emphasis id="B97FEAF6252BB22A650DF896FA8E23AC" box="[1341,1368,1906,1932]" italics="true" pageId="7" pageNumber="274">O.</emphasis>
|
|
”
|
|
<emphasis id="B97FEAF6252BB22A6557F896FA7923AC" box="[1383,1455,1906,1932]" italics="true" pageId="7" pageNumber="274">andina</emphasis>
|
|
</taxonomicName>
|
|
in that these taxa have the flexus as a labial furrow opposite to the hypoflexus (
|
|
<bibRefCitation id="EF9A4B15252BB22A63E7F856FB3423EC" author="MADOZZO JAEN M. C. & PEREZ M. E. & DESCHAMPS C. M." box="[983,1250,1970,1996]" pageId="7" pageNumber="274" pagination="995 - 1013" refId="ref17295" refString="MADOZZO JAEN M. C., PEREZ M. E. & DESCHAMPS C. M. 2021. - The oldest species of Dolichotis (Rodentia, Hystricognathi) from the Pliocene of Argentina: redescription and taxonomic status of " Orthomyctera " chapalmalense. Journal of Mammalian Evolution 28: 995 - 1013. https: // doi. org / 10.1007 / s 10914 - 021 - 09559 - 4" type="journal article" year="2021">
|
|
Madozzo Jaén
|
|
<emphasis id="B97FEAF6252BB22A6441F856FB7223EC" box="[1137,1188,1970,1996]" italics="true" pageId="7" pageNumber="274">et al.</emphasis>
|
|
2021
|
|
</bibRefCitation>
|
|
; but see
|
|
<bibRefCitation id="EF9A4B15252BB22A650DF856FCB323CC" author="AMEGHINO F." pageId="7" pageNumber="274" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino 1888</bibRefCitation>
|
|
,
|
|
<bibRefCitation id="EF9A4B15252BB22A6343F836FC7D23CC" author="AMEGHINO F." box="[883,939,2002,2028]" pageId="7" pageNumber="274" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">1889</bibRefCitation>
|
|
; see below).
|
|
</paragraph>
|
|
<caption id="DF74666C2524B22560B4FCEAFBC52743" ID-DOI="http://doi.org/10.5281/zenodo.14530465" ID-Zenodo-Dep="14530465" httpUri="https://zenodo.org/record/14530465/files/figure.png" pageId="8" pageNumber="275" startId="8.[132,143,782,799]" targetBox="[132,1455,214,741]" targetPageId="8" targetType="figure">
|
|
<paragraph id="8BB436E42524B22560B4FCEAFBC52743" blockId="8.[132,1455,782,867]" pageId="8" pageNumber="275">
|
|
<smallCapsWord id="8D52A0382524B22560B4FCEAFF4B273F" baselines="795,796" box="[132,157,782,799]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="8" pageNumber="275">FIG</smallCapsWord>
|
|
. 3. — Upper dental series of
|
|
<taxonomicName id="4C0B4D672524B22561BFFCEAFD18273F" authority="(Ameghino, 1888)" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[399,718,782,799]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B22561BFFCEAFDEE273F" box="[399,568,782,799]" italics="true" pageId="8" pageNumber="275">Orthomyctera rigens</emphasis>
|
|
(
|
|
<bibRefCitation id="EF9A4B152524B2256271FCEAFD1C273F" author="AMEGHINO F." box="[577,714,782,799]" pageId="8" pageNumber="275" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino, 1888</bibRefCitation>
|
|
)
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C0B4D672524B22562C8FCEAFCAB273F" authorityName="Jaén & Pérez" authorityYear="2024" baseAuthorityName="Rovereto" baseAuthorityYear="1914" box="[760,893,782,799]" class="Mammalia" genus="Orocavia" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="andina" status="comb. nov.">
|
|
<emphasis id="B97FEAF62524B22562C8FCEAFCAB273F" box="[760,893,782,799]" italics="true" pageId="8" pageNumber="275">Orocavia andina</emphasis>
|
|
</taxonomicName>
|
|
<taxonomicNameLabel id="A24C578D2524B22563B3FCEAFC06273F" box="[899,976,782,799]" pageId="8" pageNumber="275" rank="species">n. comb.</taxonomicNameLabel>
|
|
:
|
|
<emphasis id="B97FEAF62524B22563E6FCEAFC35273F" bold="true" box="[982,995,782,799]" pageId="8" pageNumber="275">A</emphasis>
|
|
,
|
|
<taxonomicName id="4C0B4D672524B22563DDFCEAFBE1273F" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[1005,1079,782,799]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B22563DDFCEAFBE1273F" box="[1005,1079,782,799]" italics="true" pageId="8" pageNumber="275">O. rigens</emphasis>
|
|
</taxonomicName>
|
|
, MACN-A 1661 (holotype);
|
|
<emphasis id="B97FEAF62524B225652BFCEAFAED273F" bold="true" box="[1307,1339,782,799]" pageId="8" pageNumber="275">B -E</emphasis>
|
|
,
|
|
<taxonomicName id="4C0B4D672524B2256575FCEAFF712716" authorityName="Jaén & Pérez" authorityYear="2024" baseAuthorityName="Rovereto" baseAuthorityYear="1914" class="Mammalia" genus="Orocavia" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="andina" status="comb. nov.">
|
|
<emphasis id="B97FEAF62524B2256575FCEAFF712716" italics="true" pageId="8" pageNumber="275">Orocavia andina</emphasis>
|
|
</taxonomicName>
|
|
<taxonomicNameLabel id="A24C578D2524B225609DFCC1FF2D2716" box="[173,251,805,822]" pageId="8" pageNumber="275" rank="species">n. comb.</taxonomicNameLabel>
|
|
:
|
|
<emphasis id="B97FEAF62524B2256130FCC1FEDB2716" bold="true" box="[256,269,805,822]" pageId="8" pageNumber="275">B</emphasis>
|
|
, MACN-Pv 8350 (holotype);
|
|
<emphasis id="B97FEAF62524B22561CBFCC1FDDF2716" bold="true" box="[507,521,805,822]" pageId="8" pageNumber="275">C</emphasis>
|
|
, MACN-Pv 8351;
|
|
<emphasis id="B97FEAF62524B2256290FCC1FD782716" bold="true" box="[672,686,805,822]" pageId="8" pageNumber="275">D</emphasis>
|
|
, MACN-Pv 8399;
|
|
<emphasis id="B97FEAF62524B2256375FCC1FC872716" bold="true" box="[837,849,805,822]" pageId="8" pageNumber="275">E</emphasis>
|
|
, MACN-Pv 8401. Abbreviations:
|
|
<emphasis id="B97FEAF62524B2256455FCC1FBA12716" bold="true" box="[1125,1143,805,822]" pageId="8" pageNumber="275">Al</emphasis>
|
|
, anterior lobe;
|
|
<emphasis id="B97FEAF62524B22564C3FCC1FB282716" bold="true" box="[1267,1278,805,822]" pageId="8" pageNumber="275">c</emphasis>
|
|
, cement;
|
|
<emphasis id="B97FEAF62524B2256561FCC1FAB12716" bold="true" box="[1361,1383,805,822]" pageId="8" pageNumber="275">dc</emphasis>
|
|
, dentine crest;
|
|
<emphasis id="B97FEAF62524B2256087FCD8FF14276D" bold="true" box="[183,194,828,845]" pageId="8" pageNumber="275">e</emphasis>
|
|
, enamel;
|
|
<emphasis id="B97FEAF62524B2256121FCD8FEE2276D" bold="true" box="[273,308,828,845]" pageId="8" pageNumber="275">FHy</emphasis>
|
|
, furrow opposite to hypoflexus;
|
|
<emphasis id="B97FEAF62524B225620BFCD8FD8F276D" bold="true" box="[571,601,828,845]" pageId="8" pageNumber="275">HFI</emphasis>
|
|
, hypoflexus;
|
|
<emphasis id="B97FEAF62524B22562F7FCD8FD3B276D" bold="true" box="[711,749,828,845]" pageId="8" pageNumber="275">HSE</emphasis>
|
|
, external secondary flexus;
|
|
<emphasis id="B97FEAF62524B22563E2FCD8FC3B276D" bold="true" box="[978,1005,828,845]" pageId="8" pageNumber="275">M1</emphasis>
|
|
, upper first molar;
|
|
<emphasis id="B97FEAF62524B22564B7FCD8FB74276D" bold="true" box="[1159,1186,828,845]" pageId="8" pageNumber="275">M2</emphasis>
|
|
, upper second molar;
|
|
<emphasis id="B97FEAF62524B225656AFCD8FAA3276D" bold="true" box="[1370,1397,828,845]" pageId="8" pageNumber="275">M3</emphasis>
|
|
, upper third molar;
|
|
<emphasis id="B97FEAF62524B22560D9FCB6FF2C2743" bold="true" box="[233,250,850,867]" pageId="8" pageNumber="275">Pl</emphasis>
|
|
, posterior lobe;
|
|
<emphasis id="B97FEAF62524B22561B2FCB6FE622743" bold="true" box="[386,436,850,867]" pageId="8" pageNumber="275">ppM3</emphasis>
|
|
, posterior projection of M3;
|
|
<emphasis id="B97FEAF62524B2256291FCB6FD6E2743" bold="true" box="[673,696,850,867]" pageId="8" pageNumber="275">P4</emphasis>
|
|
, upper fourth premolar. Scale bar: 2 mm.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph id="8BB436E42524B22560ABFC71FEB620AE" blockId="8.[131,777,917,1167]" pageId="8" pageNumber="275">
|
|
The
|
|
<collectionCode id="ED1AAE212524B22560FCFC71FF2B278F" box="[204,253,917,943]" pageId="8" pageNumber="275">APL</collectionCode>
|
|
of M1 is the shortest of the cheek teeth, while the
|
|
<collectionCode id="ED1AAE212524B225609DFC51FF0827EF" box="[173,222,949,975]" pageId="8" pageNumber="275">APL</collectionCode>
|
|
of P4 is shorter than that of M2, and M2 is shorter than that of M3 (
|
|
<tableCitation id="C689035F2524B2256160FC31FE7227CF" box="[336,420,981,1007]" captionStart="TABLE" captionStartId="6.[132,143,219,236]" captionTargetPageId="6" captionText="TABLE 2. — Compared measurements (in mm) of the upper molariforms of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb. Abbreviations: APL, anteroposterior length; LLA, anteroposterior length of anterior lobe; LPL, anteroposterior length of posterior lobe. Abbreviations: L, left; R, right." httpUri="http://table.plazi.org/id/DF74666C252AB22B60B4FF3FFAB72523" pageId="8" pageNumber="275" tableUuid="DF74666C252AB22B60B4FF3FFAB72523">Table 2</tableCitation>
|
|
). It differs from
|
|
<taxonomicName id="4C0B4D672524B2256258FC32FD3F27CF" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[616,745,981,1007]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF62524B2256258FC32FD3F27CF" box="[616,745,981,1007]" italics="true" pageId="8" pageNumber="275">M. australis</emphasis>
|
|
</taxonomicName>
|
|
in which the
|
|
<collectionCode id="ED1AAE212524B2256130FC11FEE4202F" box="[256,306,1013,1039]" pageId="8" pageNumber="275">APL</collectionCode>
|
|
of M1 is similar to that of M2. The M3 has a developed posterior projection of the posterior lobe, shorter than in
|
|
<taxonomicName id="4C0B4D672524B2256101FBD2FE45206F" authorityName="Kraglievich" authorityYear="1932" box="[305,403,1078,1103]" class="Mammalia" family="Caviidae" genus="Neocavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF62524B2256101FBD2FE45206F" box="[305,403,1078,1103]" italics="true" pageId="8" pageNumber="275">Neocavia</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C0B4D672524B2256191FBD1FDDF206F" authorityName="Ameghino" authorityYear="1916" box="[417,521,1077,1103]" class="Mammalia" family="Caviidae" genus="Dolicavia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF62524B2256191FBD1FDDF206F" box="[417,521,1077,1103]" italics="true" pageId="8" pageNumber="275">Dolicavia</emphasis>
|
|
</taxonomicName>
|
|
, and “
|
|
<taxonomicName id="4C0B4D672524B2256264FBD1FD19206F" authorityName="Jaén & Pérez" authorityYear="2024" baseAuthorityName="Rovereto" baseAuthorityYear="1914" box="[596,719,1077,1103]" class="Mammalia" genus="Orocavia" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="andina">
|
|
<emphasis id="B97FEAF62524B2256264FBD1FDA6206F" box="[596,624,1077,1103]" italics="true" pageId="8" pageNumber="275">O.</emphasis>
|
|
”
|
|
<emphasis id="B97FEAF62524B22562B3FBD1FD19206F" box="[643,719,1077,1103]" italics="true" pageId="8" pageNumber="275">andina</emphasis>
|
|
</taxonomicName>
|
|
; and differs from
|
|
<taxonomicName id="4C0B4D672524B225613CFBB1FE5D204F" baseAuthorityName="I. Geoffroy Saint-Hilaire & d'Orbigny" baseAuthorityYear="1833" box="[268,395,1109,1135]" class="Mammalia" family="Caviidae" genus="Microcavia" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="australis">
|
|
<emphasis id="B97FEAF62524B225613CFBB1FE5D204F" box="[268,395,1109,1135]" italics="true" pageId="8" pageNumber="275">M. australis</emphasis>
|
|
</taxonomicName>
|
|
, in which the posterior projection is an incipient lobe.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="C311656F2524B22560B4FB51FBA121AE" pageId="8" pageNumber="275" type="discussion">
|
|
<paragraph id="8BB436E42524B22560B4FB51FF3E20ED" blockId="8.[130,775,1205,1485]" box="[132,232,1205,1231]" pageId="8" pageNumber="275">
|
|
<smallCapsWord id="8D52A0382524B22560B4FB51FF3E20ED" baselines="1224,1224" box="[132,232,1205,1231]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Remarks" pageId="8" pageNumber="275">REMARKS</smallCapsWord>
|
|
</paragraph>
|
|
<paragraph id="8BB436E42524B22560B4FB30FE0D20CE" blockId="8.[130,775,1205,1485]" box="[132,475,1236,1262]" pageId="8" pageNumber="275">
|
|
<emphasis id="B97FEAF62524B22560B4FB30FEEC20CE" box="[132,314,1236,1262]" italics="true" pageId="8" pageNumber="275">
|
|
The
|
|
<typeStatus id="54B088462524B2256081FB31FF0F20CE" box="[177,217,1237,1262]" pageId="8" pageNumber="275">type</typeStatus>
|
|
species of
|
|
</emphasis>
|
|
<taxonomicName id="4C0B4D672524B2256171FB30FE0D20CE" authorityName="Ameghino" authorityYear="1889" box="[321,475,1236,1262]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="genus">Orthomyctera</taxonomicName>
|
|
</paragraph>
|
|
<paragraph id="8BB436E42524B22560B4FB10FD6821ED" blockId="8.[130,775,1205,1485]" pageId="8" pageNumber="275">
|
|
<taxonomicName id="4C0B4D672524B22560B4FB10FE8F212E" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[132,345,1268,1294]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B22560B4FB10FE8F212E" box="[132,345,1268,1294]" italics="true" pageId="8" pageNumber="275">Orthomyctera rigens</emphasis>
|
|
</taxonomicName>
|
|
was designated the
|
|
<typeStatus id="54B088462524B225620BFB11FDBC212F" box="[571,618,1269,1295]" pageId="8" pageNumber="275">type</typeStatus>
|
|
species of the genre
|
|
<taxonomicName id="4C0B4D672524B22560F8FAF0FE81210E" authorityName="Ameghino" authorityYear="1889" box="[200,343,1300,1326]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF62524B22560F8FAF0FE81210E" box="[200,343,1300,1326]" italics="true" pageId="8" pageNumber="275">Orthomyctera</emphasis>
|
|
</taxonomicName>
|
|
by
|
|
<bibRefCitation id="EF9A4B152524B22561B5FAF0FD57210E" author="KRAGLIEVICH L." box="[389,641,1300,1327]" pageId="8" pageNumber="275" pagination="59 - 95" refId="ref16783" refString="KRAGLIEVICH L. 1930. - Diagnosis osteologico-dentaria de los generos vivientes de la subfamilia Caviinae. Anales del Museo Nacional de Historia Natural de Buenos Aires 36: 59 - 95." type="journal article" year="1930">Kraglievich (1930: 71)</bibRefCitation>
|
|
. Posteriorly,
|
|
<bibRefCitation id="EF9A4B152524B22560B6FAD0FEF3216E" author="PASCUAL R." box="[134,293,1332,1358]" pageId="8" pageNumber="275" pagination="103 - 113" refId="ref17860" refString="PASCUAL R. 1966. - Caviidae, in BORRELLO A. V. & PASCUAL R. (eds), Paleontografia Bonaerense. Comision de Investigaciones Cientificas de la Provincia de Buenos Aires, Buenos Aires: 103 - 113." type="book chapter" year="1966">Pascual (1966)</bibRefCitation>
|
|
considered
|
|
<taxonomicName id="4C0B4D672524B2256192FAD0FD88216E" authorityName="Ameghino" authorityYear="1889" box="[418,606,1332,1358]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="lata">
|
|
<emphasis id="B97FEAF62524B2256192FAD0FD88216E" box="[418,606,1332,1358]" italics="true" pageId="8" pageNumber="275">Orthomyctera lata</emphasis>
|
|
</taxonomicName>
|
|
as the
|
|
<typeStatus id="54B088462524B2256296FAD0FD02216E" box="[678,724,1332,1358]" pageId="8" pageNumber="275">type</typeStatus>
|
|
species of the genre, without any kind of justification. According to the nomenclature code (International Code of Zoological Nomenclature: art. 69.1) if no
|
|
<typeStatus id="54B088462524B22561FBFA70FE2F218E" box="[459,505,1428,1454]" pageId="8" pageNumber="275">type</typeStatus>
|
|
species was designated in the original publication, the first designation is valid.
|
|
</paragraph>
|
|
<paragraph id="8BB436E42524B22560B4FA17FDEF222D" blockId="8.[131,777,1523,2028]" box="[132,569,1523,1549]" pageId="8" pageNumber="275">
|
|
<emphasis id="B97FEAF62524B22560B4FA17FE87222D" box="[132,337,1523,1549]" italics="true" pageId="8" pageNumber="275">
|
|
The
|
|
<typeStatus id="54B088462524B2256081FA10FF0F222D" box="[177,217,1524,1549]" pageId="8" pageNumber="275">type</typeStatus>
|
|
material of
|
|
</emphasis>
|
|
<taxonomicName id="4C0B4D672524B2256168FA17FDEF222D" authorityYear="1888" box="[344,569,1523,1549]" pageId="8" pageNumber="275">Orthomyctera rigens</taxonomicName>
|
|
</paragraph>
|
|
<paragraph id="8BB436E42524B22560B4F9F7FB2D206F" blockId="8.[131,777,1523,2028]" lastBlockId="8.[812,1457,917,1103]" pageId="8" pageNumber="275">
|
|
<bibRefCitation id="EF9A4B152524B22560B4F9F7FE9D220D" author="AMEGHINO F." box="[132,331,1555,1581]" pageId="8" pageNumber="275" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino (1888)</bibRefCitation>
|
|
established
|
|
<taxonomicName id="4C0B4D672524B22561E7F9F7FD8A220D" authorityName="Ameghino" authorityYear="1888" box="[471,604,1555,1581]" class="Mammalia" family="Caviidae" genus="Cavia" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B22561E7F9F7FD8A220D" box="[471,604,1555,1581]" italics="true" pageId="8" pageNumber="275">Cavia rigens</emphasis>
|
|
</taxonomicName>
|
|
based on characters of the upper and lower teeth without specifying on which specimens the determination was made. Posteriorly,
|
|
<bibRefCitation id="EF9A4B152524B22560B5F997FE9822AD" author="AMEGHINO F." box="[133,334,1651,1677]" pageId="8" pageNumber="275" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">Ameghino (1889)</bibRefCitation>
|
|
erected the genus
|
|
<taxonomicName id="4C0B4D672524B2256214F997FD6522AD" authorityName="Ameghino" authorityYear="1889" box="[548,691,1651,1677]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97FEAF62524B2256214F997FD6522AD" box="[548,691,1651,1677]" italics="true" pageId="8" pageNumber="275">Orthomyctera</emphasis>
|
|
</taxonomicName>
|
|
, which includes the species
|
|
<taxonomicName id="4C0B4D672524B2256163F977FE06228C" authorityName="Ameghino" authorityYear="1888" box="[339,464,1683,1709]" class="Mammalia" family="Caviidae" genus="Cavia" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B2256163F977FE06228C" box="[339,464,1683,1709]" italics="true" pageId="8" pageNumber="275">Cavia rigens</emphasis>
|
|
</taxonomicName>
|
|
, among others (
|
|
<taxonomicName id="4C0B4D672524B225624BF977FF6222EC" authorityName="Ameghino" authorityYear="1889" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="vaga">
|
|
<emphasis id="B97FEAF62524B225624BF977FF6222EC" italics="true" pageId="8" pageNumber="275">Orthomyctera vaga</emphasis>
|
|
</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C0B4D672524B22560F3F957FED822EC" authorityName="Ameghino" authorityYear="1889" box="[195,270,1714,1741]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="lata">
|
|
<emphasis id="B97FEAF62524B22560F3F957FF0122ED" box="[195,215,1715,1741]" italics="true" pageId="8" pageNumber="275">O</emphasis>
|
|
.
|
|
<emphasis id="B97FEAF62524B22560D6F956FED822EC" box="[230,270,1714,1740]" italics="true" pageId="8" pageNumber="275">lata</emphasis>
|
|
</taxonomicName>
|
|
, and
|
|
<taxonomicName id="4C0B4D672524B225617DF956FD0A22ED" authority="Ameghino, 1888" authorityName="Ameghino" authorityYear="1888" box="[333,732,1714,1741]" class="Mammalia" family="Caviidae" genus="Dolichotis" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="lacunosa">
|
|
<emphasis id="B97FEAF62524B225617DF956FDC122EC" box="[333,535,1714,1740]" italics="true" pageId="8" pageNumber="275">Dolichotis lacunosa</emphasis>
|
|
<bibRefCitation id="EF9A4B152524B225622EF956FD0A22ED" author="AMEGHINO F." box="[542,732,1714,1741]" pageId="8" pageNumber="275" pagination="1 - 21" refId="ref14451" refString="AMEGHINO F. 1888. - Lista de especies de mamiferos fosiles del Mioceno superior de Monte Hermoso hasta ahora conocidas. Coni PE e hijos, Buenos Aires: 1 - 21." type="book chapter" year="1888">Ameghino, 1888</bibRefCitation>
|
|
</taxonomicName>
|
|
). In that work he figured a skull (
|
|
<collectionCode id="ED1AAE212524B22561F3F937FDE222CD" box="[451,564,1747,1773]" pageId="8" pageNumber="275">MACN-A</collectionCode>
|
|
1661 see Lam. XI, 6-7), and a jaw (
|
|
<collectionCode id="ED1AAE212524B2256173F916FE60232C" box="[323,438,1778,1804]" pageId="8" pageNumber="275">MACN-A</collectionCode>
|
|
1662) as
|
|
<taxonomicName id="4C0B4D672524B225621AF916FCD6232C" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[554,768,1778,1804]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B225621AF916FCD6232C" box="[554,768,1778,1804]" italics="true" pageId="8" pageNumber="275">Orthomyctera rigens</emphasis>
|
|
</taxonomicName>
|
|
. Subsequently, both specimens have been considered the type material of this species (e.g.
|
|
<bibRefCitation id="EF9A4B152524B22561F8F8D6FD50236C" author="CROFT D. A. & CHICK J. M. & ANAYA F." box="[456,646,1842,1868]" pageId="8" pageNumber="275" pagination="245 - 268" refId="ref15720" refString="CROFT D. A., CHICK J. M. & ANAYA F. 2011. - New middle miocene caviomorph rodents from Quebrada Honda, Bolivia. Journal of Mammalian Evolution 18 (4): 245 - 268. https: // doi. org / 10.1007 / s 10914 - 011 - 9164 - z" type="journal article" year="2011">
|
|
Croft
|
|
<emphasis id="B97FEAF62524B225623CF8D7FD95236C" box="[524,579,1842,1868]" italics="true" pageId="8" pageNumber="275">et al.</emphasis>
|
|
2011
|
|
</bibRefCitation>
|
|
). From the morphological analysis here, it is inferred that the skull and the mandible do not correspond to the same individual and even correspond to different taxonomic entities because of the follow morphological differences:1) lower m1 of MACNA 1662 smaller than the upper molars of
|
|
<collectionCode id="ED1AAE212524B2256266F836FD1323CC" box="[598,709,2002,2028]" pageId="8" pageNumber="275">MACN-A</collectionCode>
|
|
1661 (see
|
|
<tableCitation id="C689035F2524B225636BFC71FC7D278F" box="[859,939,917,943]" captionStart="TABLE" captionStartId="6.[132,143,219,236]" captionTargetPageId="6" captionText="TABLE 2. — Compared measurements (in mm) of the upper molariforms of Orthomyctera rigens (Ameghino, 1888) and Orocavia andina n. comb. Abbreviations: APL, anteroposterior length; LLA, anteroposterior length of anterior lobe; LPL, anteroposterior length of posterior lobe. Abbreviations: L, left; R, right." httpUri="http://table.plazi.org/id/DF74666C252AB22B60B4FF3FFAB72523" pageId="8" pageNumber="275" tableUuid="DF74666C252AB22B60B4FF3FFAB72523">Table 2</tableCitation>
|
|
) lower m1 of
|
|
<collectionCode id="ED1AAE212524B2256475FC71FB62278F" box="[1093,1204,917,943]" pageId="8" pageNumber="275">MACN-A</collectionCode>
|
|
1662 with an opposite furrow to the hypoflexid, contrasting with that condition of the upper molars of
|
|
<collectionCode id="ED1AAE212524B2256400FC31FB4927CF" box="[1072,1183,981,1007]" pageId="8" pageNumber="275">MACN-A</collectionCode>
|
|
<quantity id="4CF39B012524B2256497FC31FB2827CF" box="[1191,1278,981,1007]" metricMagnitude="1" metricUnit="m" metricValue="4.21894" pageId="8" pageNumber="275" unit="in" value="1661.0">1661 in</quantity>
|
|
which the HSE is present. Since
|
|
<bibRefCitation id="EF9A4B152524B22563D5FC11FB7F202F" author="AMEGHINO F." box="[997,1193,1013,1039]" pageId="8" pageNumber="275" pagination="1 - 1027" refId="ref14485" refString="AMEGHINO F. 1889. - Contribucion al conocimiento de los mamiferos fosiles de la Republica Argentina. Actas de la Academia Nacional Ciencias 6: 1 - 1027. https: // doi. org / 10.5962 / bhl. title. 121288" type="journal article" year="1889">Ameghino (1889)</bibRefCitation>
|
|
focused the description of this species on the skull
|
|
<collectionCode id="ED1AAE212524B2256468FBF1FB11200F" box="[1112,1223,1045,1071]" pageId="8" pageNumber="275">MACN-A</collectionCode>
|
|
1661, we designated this specimen as the
|
|
<typeStatus id="54B088462524B225643FFBD1FBA4206F" box="[1039,1138,1077,1103]" pageId="8" pageNumber="275" type="lectotype">lectotype</typeStatus>
|
|
of
|
|
<taxonomicName id="4C0B4D672524B22564A5FBD1FB22206F" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[1173,1268,1077,1103]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B22564A5FBD1FB22206F" box="[1173,1268,1077,1103]" italics="true" pageId="8" pageNumber="275">O. rigens</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
<paragraph id="8BB436E42524B225631DFB90FB3720AE" blockId="8.[812,1457,1140,1422]" box="[813,1249,1140,1166]" pageId="8" pageNumber="275">
|
|
<emphasis id="B97FEAF62524B225631DFB90FC2F20AE" box="[813,1017,1140,1166]" italics="true" pageId="8" pageNumber="275">Referred material to</emphasis>
|
|
<taxonomicName id="4C0B4D672524B2256430FB90FB3720AE" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[1024,1249,1140,1166]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">Orthomyctera rigens</taxonomicName>
|
|
</paragraph>
|
|
<paragraph id="8BB436E42524B225631DFB70FBA121AE" blockId="8.[812,1457,1140,1422]" pageId="8" pageNumber="275">
|
|
Appendices 6-8 provides a revision of the fossil specimens previously referred to as
|
|
<taxonomicName id="4C0B4D672524B2256401FB51FB5820EE" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[1073,1166,1205,1231]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B2256401FB51FB5820EE" box="[1073,1166,1205,1231]" italics="true" pageId="8" pageNumber="275">O. rigens</emphasis>
|
|
</taxonomicName>
|
|
in the literature. However, here is necessary to clarify that the mention of
|
|
<taxonomicName id="4C0B4D672524B2256503FB31FA4420CE" baseAuthorityName="Ameghino" baseAuthorityYear="1888" box="[1331,1426,1237,1263]" class="Mammalia" family="Caviidae" genus="Orthomyctera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="275" phylum="Chordata" rank="species" species="rigens">
|
|
<emphasis id="B97FEAF62524B2256503FB31FA4420CE" box="[1331,1426,1237,1263]" italics="true" pageId="8" pageNumber="275">O. rigens</emphasis>
|
|
</taxonomicName>
|
|
in
|
|
<bibRefCitation id="EF9A4B152524B225631EFB10FBC1212E" author="PARDINAS U. F. & PREVOSTI F. J. & VOGLINO D. & CENIZO M." box="[814,1047,1268,1294]" pageId="8" pageNumber="275" pagination="655 - 680" refId="ref17802" refString="PARDINAS U. F., PREVOSTI F. J., VOGLINO D. & CENIZO M. 2017. - A controversial unit within the argentine neogene: the " Irenean " fauna. Ameghiniana 54 (6): 655 - 680. https: // doi. org / 10.5710 / AMGH. 24.04.2017.3080" type="journal article" year="2017">
|
|
Pardiñas
|
|
<emphasis id="B97FEAF62524B22563A0FB11FC13212E" box="[912,965,1268,1294]" italics="true" pageId="8" pageNumber="275">et al.</emphasis>
|
|
(2017)
|
|
</bibRefCitation>
|
|
(that was taken in turn of
|
|
<bibRefCitation id="EF9A4B152524B2256575FB10FC54210E" author="FRENGUELLI J." pageId="8" pageNumber="275" refId="ref16397" refString="FRENGUELLI J. 1928. - Observaciones geologicas en la region costanera sur de la Provincia de Buenos Aires. Universidad Nacional del Litoral, Facultad de Ciencias de la Educacion, Anales 2, Santa Fe, 145 p." type="book" year="1928">Frenguelli (1928))</bibRefCitation>
|
|
, from the Quequén Salado River, “Irenense” Fauna (
|
|
<collectingRegion id="49CFF8062524B2256305FAD0FBFD216E" box="[821,1067,1332,1358]" country="Argentina" name="Buenos Aires" pageId="8" pageNumber="275">Buenos Aires Province</collectingRegion>
|
|
), could not be corroborated because the authors did not provide details of the material or the corresponding collection number.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |