105 lines
15 KiB
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105 lines
15 KiB
XML
<document id="73376747192FC0B8971486D79BD293A3" ID-DOI="10.1080/02724634.1996.10011297" ID-GBIF-Dataset="af6c2517-d7b6-406e-8753-08921e71e59f" ID-Zenodo-Dep="3732430" IM.metadata_requiresApprovalFor="plazi" IM.taxonomicNames_requiresApprovalFor="plazi" checkinTime="1585493707941" checkinUser="jeremy" docAuthor="Erickson, Gregory M. & Kenneth H. Olson" docDate="1996" docId="03C3CB50FF9B3443F9FE170CF816FBF9" docLanguage="en" docName="EricksonOlson1996BiteMarksABBYY.pdf.imf" docOrigin="Journal of Vertebrate Paleontology 16 (1)" docStyle="DocumentStyle{}" docTitle="Triceratops Marsh 1889" docType="treatment" docVersion="7" lastPageNumber="175" masterDocId="FFFAB328FF9A3442F9431014FFDAFFB5" masterDocTitle="Bite marks attributable to Tyrannosaurus rex: preliminary description and implications" masterLastPageNumber="178" masterPageNumber="175" pageNumber="175" updateTime="1698733143731" updateUser="plazi">
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<mods:mods id="8ED9EB459E428BF3B0D6FBBF4A2A551C" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="6BBC89DECC30A22D79BD20044508CB23">
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<mods:title id="0E01611406EB150A010D16A25CA639C4">Bite marks attributable to Tyrannosaurus rex: preliminary description and implications</mods:title>
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</mods:titleInfo>
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<mods:name id="DF8FD045B616FD97D986C4E49FDCB311" type="personal">
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<mods:roleTerm id="26AACFF3FCB0F33CA236DA819D92A1E0">Author</mods:roleTerm>
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<mods:namePart id="B49CDB94268251992029AE0CBCA2F35A">Erickson, Gregory M.</mods:namePart>
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<mods:name id="F315210F77B76566EADF12E0C8EEAA7A" type="personal">
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<mods:roleTerm id="A9002BF0E5284CF4B266B78499F74035">Author</mods:roleTerm>
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<mods:namePart id="BD8EE034D749982AF61150631E87052D">Kenneth H. Olson</mods:namePart>
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<mods:typeOfResource id="345399011A2690E7FCB5D8937B890A10">text</mods:typeOfResource>
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<mods:title id="B9175A589C3C7D53E2B40E66F7E81672">Journal of Vertebrate Paleontology</mods:title>
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</mods:titleInfo>
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<mods:part id="F8F8D3DF58929B627E87D51C00391EC3">
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<mods:date id="C1B8801E17936CB08107ED5E51EDD6CF">1996</mods:date>
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<mods:detail id="33195770CC4C09198BA16F62271770C6" type="pubDate">
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<mods:number id="62A87DFE0182E77A68EA5DF58A3211C0">1996-03-19</mods:number>
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<mods:detail id="2D88893C760375D8760432739DF30696" type="volume">
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<mods:number id="0D2DD453DD2142362F19CB39B0A026B6">16</mods:number>
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<mods:detail id="030B9A2D1271F096075CFB4E1F93B65D" type="issue">
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<mods:number id="8248FDE234F096D17C76505348C5FA27">1</mods:number>
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<mods:start id="C58F07AB06631F318BB06434522D4167">175</mods:start>
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<mods:end id="94142A081AFCB343FAC224E7CA1E94E3">178</mods:end>
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<mods:classification id="CB04FA9D637D8E429D191168540DB141">journal article</mods:classification>
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<mods:identifier id="837E37F2F896858ED86821BAC980CDEB" type="DOI">10.1080/02724634.1996.10011297</mods:identifier>
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<mods:identifier id="8A989C6D308775FB1F8FAAAE87CB287D" type="Zenodo-Dep">3732430</mods:identifier>
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<treatment id="03C3CB50FF9B3443F9FE170CF816FBF9" ID-DOI="http://doi.org/10.5281/zenodo.3812737" ID-GBIF-Taxon="163643602" ID-Zenodo-Dep="3812737" LSID="urn:lsid:plazi:treatment:03C3CB50FF9B3443F9FE170CF816FBF9" httpUri="http://treatment.plazi.org/id/03C3CB50FF9B3443F9FE170CF816FBF9" lastPageNumber="175" pageId="1" pageNumber="175">
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<subSubSection id="C37029CDFF9B3443F9FE170CFB9AF638" pageId="1" pageNumber="175" type="description">
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<paragraph id="8BD57A46FF9B3443F9FE170CFB9AF638" blockId="1.[151,1209,1814,3122]" pageId="1" pageNumber="175">
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Dozens of
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<taxonomicName id="4C6A01C5FF9B3443F828170CFE1DF882" authority="Osborn, 1905" box="[363,455,1815,1848]" class="Reptilia" family="Tyrannosauridae" genus="Tyrannosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="175" phylum="Chordata" rank="species" species="rex">
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<emphasis id="B91EA654FF9B3443F828170CFE1DF882" box="[363,455,1815,1848]" italics="true" pageId="1" pageNumber="175">T. rex</emphasis>
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</taxonomicName>
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tooth marks appear on a
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<taxonomicName id="4C6A01C5FF9B3443FA291703FBC8F882" authorityName="Marsh" authorityYear="1889" box="[874,1042,1815,1847]" class="Reptilia" family="Ceratopsidae" genus="Triceratops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="175" phylum="Chordata" rank="genus">
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<emphasis id="B91EA654FF9B3443FA291703FBC8F882" box="[874,1042,1815,1847]" italics="true" pageId="1" pageNumber="175">Triceratops</emphasis>
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</taxonomicName>
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sp.
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<materialsCitation id="3B02701BFF9B3443FD221702FEC6F87B" ID-GBIF-Occurrence="2598703894" collectingCountry="United States" collectingRegion="Montana" collectionCode="MOR" formation="Hell Creek formation" pageId="1" pageNumber="175" preparations="sacrum and left ilium" recordedBy="K. H. Olson" specimenCode="MOR 799">pelvis (sacrum and left ilium) that is housed at the Museum of the Rockies, Bozeman, Montana (MOR 799). This specimen was found by K. H. Olson in the Late Maastrichtian Hell Creek Formation of east-central Montana</materialsCitation>
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. The pelvis bears 58 definitive bite marks and 22 possible others (
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<figureCitation id="135166C3FF9B3443F84817C7FEAFF846" box="[267,373,2003,2035]" captionStart="FIGURE 1" captionStartId="2.[146,276,1403,1435]" captionTargetBox="[430,1976,290,1356]" captionTargetPageId="2" captionText="FIGURE 1. Photographs of Tyrannosaurus rex bite marks on an adult Triceratops pelvis (MOR 799). Anterolateral view of the ventral surface of the sacrum and left ilium of the specimen. Arrows point to some of the more prominent tooth marks (over 58 definitive tooth marks are present on the pelvis). Furrows from “puncture and pull” biting and deep localized punctures are visible. Brackets encompass a region where the theropod(s) removed approximately one sixth of the anterior ilium via repetitive peripheral biting. Scale = 25 cm." figureDoi="http://doi.org/10.5281/zenodo.3732432" httpUri="https://zenodo.org/record/3732432/files/figure.png" pageId="1" pageNumber="175">Figs. 1</figureCitation>
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,
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<figureCitation id="135166C3FF9B3443F8CE17C6FE7BF847" box="[397,417,2002,2034]" captionStart="FIGURE 2" captionStartId="2.[149,278,2929,2961]" captionTargetBox="[166,1158,1618,2903]" captionTargetPageId="2" captionText="FIGURE 2. Bite mark furrows from tyrannosaur “puncture and pull” biting on the dorsal surface of the anterior iliac crest of the Triceratops pelvis (MOR 799). The initial bite penetrated the bone at the wider end of the furrow and was then dragged ascendingly toward the narrower end." figureDoi="http://doi.org/10.5281/zenodo.5205220" httpUri="https://zenodo.org/record/5205220/files/figure.png" pageId="1" pageNumber="175">2</figureCitation>
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). Many bite marks overlay one another, making an exact count impossible. We suggest that the tooth marks were produced by an adult
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<taxonomicName id="4C6A01C5FF9B3443F812180AFE72F788" authority="Osborn, 1905" box="[337,424,2077,2110]" class="Reptilia" family="Tyrannosauridae" genus="Tyrannosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="175" phylum="Chordata" rank="species" species="rex">
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<emphasis id="B91EA654FF9B3443F812180AFE72F788" box="[337,424,2077,2110]" italics="true" pageId="1" pageNumber="175">T. rex</emphasis>
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</taxonomicName>
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because of their large size (punctures up to 2.5 cm in width and 3.7 cm in depth), their cross-sectional areas are rounded (unlike the more elliptical punctures made by most non-tyrannosaurid theropods whose teeth had lenticular cross-sectional areas: see Farlow et
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<emphasis id="B91EA654FF9B3443F9FC18A0FF04F761" box="[191,222,2228,2260]" italics="true" pageId="1" pageNumber="175">al</emphasis>
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., 1991), their spacing is wide (>4 cm), and some bones bear coarse serration marks on their periosteal surfaces. Additionally, a cast of one of the deeper bites matches the morphology of an adult
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<taxonomicName id="4C6A01C5FF9B3443FAB518E9FB95F6A8" authority="Osborn, 1905" box="[1014,1103,2301,2333]" class="Reptilia" family="Tyrannosauridae" genus="Tyrannosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="175" phylum="Chordata" rank="species" species="rex">
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<emphasis id="B91EA654FF9B3443FAB518E9FB95F6A8" box="[1014,1103,2301,2333]" italics="true" pageId="1" pageNumber="175">T. rex</emphasis>
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</taxonomicName>
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lateral tooth (sensu Farlow et al., 1991), including its carina (
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<figureCitation id="135166C3FF9B3443FABB1936FB7EF6F7" box="[1016,1188,2338,2370]" captionStart="FIGURE 3" captionStartId="3.[181,313,1419,1451]" captionTargetBox="[208,2286,278,1367]" captionTargetPageId="3" captionText="FIGURE 3. Comparison of a maxillary lateral tooth from an adult Tyrannosaurus rex (cast on left: UCMP 118742) to a cast of a puncture mark taken from the right lateral side of the Triceratops sacrum (cast on right). A, Lateral view of the tooth casts showing their similarity in size and morphology. B, Posterior view showing their similarity in size and morphology. Arrow denotes the carina on the cast from the Triceratops pelvis. Scale = 2.0 cm." figureDoi="http://doi.org/10.5281/zenodo.3732434" httpUri="https://zenodo.org/record/3732434/files/figure.png" pageId="1" pageNumber="175">Fig. 3A, B</figureCitation>
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). Finally, no other known carnivorous animals present in the Hell Creek fauna were large enough to have inflicted comparable damage.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37029CDFF9B3443F9FC1981FCE2F64B" pageId="1" pageNumber="175" type="nomenclature">
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<paragraph id="8BD57A46FF9B3443F9FC1981FCE2F64B" blockId="1.[151,1209,1814,3122]" pageId="1" pageNumber="175">
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At least thirty-nine puncture marks are located on the ventral and both lateral surfaces of the
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<taxonomicName id="4C6A01C5FF9B3443FB0F19ADFD29F66C" authorityName="Marsh" authorityYear="1889" box="[588,755,2489,2521]" class="Reptilia" family="Ceratopsidae" genus="Triceratops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="175" phylum="Chordata" rank="genus">
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<emphasis id="B91EA654FF9B3443FB0F19ADFD29F66C" box="[588,755,2489,2521]" italics="true" pageId="1" pageNumber="175">Triceratops</emphasis>
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</taxonomicName>
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sacrum, showing that it was overturned either prior to or during feeding.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37029CDFF9B3443FA0919CAF816FBF9" pageId="1" pageNumber="175" type="discussion">
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<paragraph id="8BD57A46FF9B3443FA0919CAFDC3F40A" blockId="1.[151,1209,1814,3122]" pageId="1" pageNumber="175">
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Most bites occur on the first sacral vertebra (
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<figureCitation id="135166C3FF9B3443F8991A10FDEDF591" box="[474,567,2564,2596]" captionStart="FIGURE 1" captionStartId="2.[146,276,1403,1435]" captionTargetBox="[430,1976,290,1356]" captionTargetPageId="2" captionText="FIGURE 1. Photographs of Tyrannosaurus rex bite marks on an adult Triceratops pelvis (MOR 799). Anterolateral view of the ventral surface of the sacrum and left ilium of the specimen. Arrows point to some of the more prominent tooth marks (over 58 definitive tooth marks are present on the pelvis). Furrows from “puncture and pull” biting and deep localized punctures are visible. Brackets encompass a region where the theropod(s) removed approximately one sixth of the anterior ilium via repetitive peripheral biting. Scale = 25 cm." figureDoi="http://doi.org/10.5281/zenodo.3732432" httpUri="https://zenodo.org/record/3732432/files/figure.png" pageId="1" pageNumber="175">Fig. 1</figureCitation>
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). It appears the tyrannosaur(s) may have detached the pelvis from the torso by repetitively biting into this centrum, as it has been nearly bitten in half. The majority of these bite marks are in the form of deep localized punctures and appear to have been made by a tyrannosaur’s larger anterior lateral teeth. A few elongate bite furrows from shallower biting also appear. The largest is located on the transverse process of the third sacral vertebra and is 1.0 cm in depth and 11.8 cm long. Between the transverse processes of two adjacent sacral vertebrae (second and third) are four faint vertically inclined furrows that appear to be nipping marks made by a tyrannosaur’s premaxillary teeth. (Unfortunately they show low relief and therefore are not figured here.)
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</paragraph>
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<paragraph id="8BD57A46FF9B3443F9FD1BD3F816FBF9" blockId="1.[151,1209,1814,3122]" lastBlockId="1.[1255,2316,955,1475]" pageId="1" pageNumber="175">
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The left ilium of the
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<taxonomicName id="4C6A01C5FF9B3443F8B41BD2FD44F453" authorityName="Marsh" authorityYear="1889" box="[503,670,3014,3046]" class="Reptilia" family="Ceratopsidae" genus="Triceratops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="1" pageNumber="175" phylum="Chordata" rank="genus">
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<emphasis id="B91EA654FF9B3443F8B41BD2FD44F453" box="[503,670,3014,3046]" italics="true" pageId="1" pageNumber="175">Triceratops</emphasis>
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</taxonomicName>
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bears at least 19 bite marks on both its ventral and dorsal surfaces (
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<figureCitation id="135166C3FF9B3443FB1E1BFFFD18F3BE" box="[605,706,3051,3083]" captionStart="FIGURE 1" captionStartId="2.[146,276,1403,1435]" captionTargetBox="[430,1976,290,1356]" captionTargetPageId="2" captionText="FIGURE 1. Photographs of Tyrannosaurus rex bite marks on an adult Triceratops pelvis (MOR 799). Anterolateral view of the ventral surface of the sacrum and left ilium of the specimen. Arrows point to some of the more prominent tooth marks (over 58 definitive tooth marks are present on the pelvis). Furrows from “puncture and pull” biting and deep localized punctures are visible. Brackets encompass a region where the theropod(s) removed approximately one sixth of the anterior ilium via repetitive peripheral biting. Scale = 25 cm." figureDoi="http://doi.org/10.5281/zenodo.3732432" httpUri="https://zenodo.org/record/3732432/files/figure.png" pageId="1" pageNumber="175">Figs. 1</figureCitation>
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,
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<figureCitation id="135166C3FF9B3443FB901BFFFD3DF3BE" box="[723,743,3051,3083]" captionStart="FIGURE 2" captionStartId="2.[149,278,2929,2961]" captionTargetBox="[166,1158,1618,2903]" captionTargetPageId="2" captionText="FIGURE 2. Bite mark furrows from tyrannosaur “puncture and pull” biting on the dorsal surface of the anterior iliac crest of the Triceratops pelvis (MOR 799). The initial bite penetrated the bone at the wider end of the furrow and was then dragged ascendingly toward the narrower end." figureDoi="http://doi.org/10.5281/zenodo.5205220" httpUri="https://zenodo.org/record/5205220/files/figure.png" pageId="1" pageNumber="175">2</figureCitation>
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). The bite marks are distributed around the periphery of the iliac crest. Approximately one-sixth of the anterior end of the ilium was bitten off by repetitive bites concentrated in this region. The majority of these bites are furrow-shaped and were likely inflicted by a tyrannosaur’s larger anterior lateral teeth. The longest furrow is 0.9 cm in depth and 10.1 cm long.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |