Martharaptor greenriverensis, a new theropod dinosaur from the Lower Cretaceous of Utah
The Yellow Cat Member of the Cedar Mountain Formation (Early Cretaceous, Barremian?) of Utah has yielded a rich dinosaur fauna, including the basal therizinosauroid theropod Falcarius utahensis at its base. Recent excavation uncovered a new possible therizinosauroid taxon from a higher stratigraphic...
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| Veröffentlicht in: | PloS one 2012-08, Vol.7 (8), p.e43911-e43911 |
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| description | The Yellow Cat Member of the Cedar Mountain Formation (Early Cretaceous, Barremian?) of Utah has yielded a rich dinosaur fauna, including the basal therizinosauroid theropod Falcarius utahensis at its base. Recent excavation uncovered a new possible therizinosauroid taxon from a higher stratigraphic level in the Cedar Mountain Formation than F. utahensis.
Here we describe a fragmentary skeleton of the new theropod and perform a phylogenetic analysis to determine its phylogenetic position. The skeleton includes fragments of vertebrae, a scapula, forelimb and hindlimb bones, and an ischium. It also includes several well-preserved manual unguals. Manual and pedal morphology show that the specimen is distinct from other theropods from the Cedar Mountain Formation and from previously described therizinosauroids. It is here named as the holotype of a new genus and species, Martharaptor greenriverensis. Phylogenetic analysis places M. greenriverensis within Therizinosauroidea as the sister taxon to Alxasaurus + Therizinosauridae, although support for this placement is weak.
The new specimen adds to the known dinosaurian fauna of the Yellow Cat Member of the Cedar Mountain Formation. If the phylogenetic placement is correct, it also adds to the known diversity of Therizinosauroidea. |
| doi_str_mv | 10.1371/journal.pone.0043911 |
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Here we describe a fragmentary skeleton of the new theropod and perform a phylogenetic analysis to determine its phylogenetic position. The skeleton includes fragments of vertebrae, a scapula, forelimb and hindlimb bones, and an ischium. It also includes several well-preserved manual unguals. Manual and pedal morphology show that the specimen is distinct from other theropods from the Cedar Mountain Formation and from previously described therizinosauroids. It is here named as the holotype of a new genus and species, Martharaptor greenriverensis. Phylogenetic analysis places M. greenriverensis within Therizinosauroidea as the sister taxon to Alxasaurus + Therizinosauridae, although support for this placement is weak.
The new specimen adds to the known dinosaurian fauna of the Yellow Cat Member of the Cedar Mountain Formation. If the phylogenetic placement is correct, it also adds to the known diversity of Therizinosauroidea.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0043911</identifier><identifier>PMID: 22952806</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Analysis ; Animals ; Biology ; Bones ; Cedar ; Coelurosauria ; Cretaceous ; Cretaceous period ; Dinosauria ; Dinosaurs ; Dinosaurs - anatomy & histology ; Dinosaurs - classification ; Earth Sciences ; Environmental aspects ; Excavation ; Fauna ; Fendlerella utahensis ; Genetic aspects ; Geology ; Morphology ; Museums ; New genera ; New species ; Paleontology ; Phylogenetics ; Phylogeny ; Placement ; Reptiles & amphibians ; Saurischia ; Scapula ; Spine ; Stratigraphy ; Taxa ; Terminology as Topic ; Therizinosauroidea ; Theropoda ; Theropods ; Utah ; Vertebrae</subject><ispartof>PloS one, 2012-08, Vol.7 (8), p.e43911-e43911</ispartof><rights>COPYRIGHT 2012 Public Library of Science</rights><rights>Senter et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2012 Senter et al 2012 Senter et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a781t-66bb9e8922b632f959272694923ed8c167bdda3f7b718e31c6d75ea10826bf3a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3430620/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3430620/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2095,2914,23846,27903,27904,53769,53771,79346,79347</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22952806$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Dodson, Peter</contributor><creatorcontrib>Senter, Phil</creatorcontrib><creatorcontrib>Kirkland, James I</creatorcontrib><creatorcontrib>DeBlieux, Donald D</creatorcontrib><title>Martharaptor greenriverensis, a new theropod dinosaur from the Lower Cretaceous of Utah</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>The Yellow Cat Member of the Cedar Mountain Formation (Early Cretaceous, Barremian?) of Utah has yielded a rich dinosaur fauna, including the basal therizinosauroid theropod Falcarius utahensis at its base. Recent excavation uncovered a new possible therizinosauroid taxon from a higher stratigraphic level in the Cedar Mountain Formation than F. utahensis.
Here we describe a fragmentary skeleton of the new theropod and perform a phylogenetic analysis to determine its phylogenetic position. The skeleton includes fragments of vertebrae, a scapula, forelimb and hindlimb bones, and an ischium. It also includes several well-preserved manual unguals. Manual and pedal morphology show that the specimen is distinct from other theropods from the Cedar Mountain Formation and from previously described therizinosauroids. It is here named as the holotype of a new genus and species, Martharaptor greenriverensis. Phylogenetic analysis places M. greenriverensis within Therizinosauroidea as the sister taxon to Alxasaurus + Therizinosauridae, although support for this placement is weak.
The new specimen adds to the known dinosaurian fauna of the Yellow Cat Member of the Cedar Mountain Formation. If the phylogenetic placement is correct, it also adds to the known diversity of Therizinosauroidea.</description><subject>Analysis</subject><subject>Animals</subject><subject>Biology</subject><subject>Bones</subject><subject>Cedar</subject><subject>Coelurosauria</subject><subject>Cretaceous</subject><subject>Cretaceous period</subject><subject>Dinosauria</subject><subject>Dinosaurs</subject><subject>Dinosaurs - anatomy & histology</subject><subject>Dinosaurs - classification</subject><subject>Earth Sciences</subject><subject>Environmental aspects</subject><subject>Excavation</subject><subject>Fauna</subject><subject>Fendlerella utahensis</subject><subject>Genetic aspects</subject><subject>Geology</subject><subject>Morphology</subject><subject>Museums</subject><subject>New genera</subject><subject>New species</subject><subject>Paleontology</subject><subject>Phylogenetics</subject><subject>Phylogeny</subject><subject>Placement</subject><subject>Reptiles & amphibians</subject><subject>Saurischia</subject><subject>Scapula</subject><subject>Spine</subject><subject>Stratigraphy</subject><subject>Taxa</subject><subject>Terminology as Topic</subject><subject>Therizinosauroidea</subject><subject>Theropoda</subject><subject>Theropods</subject><subject>Utah</subject><subject>Vertebrae</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><sourceid>DOA</sourceid><recordid>eNqNkl2L1DAUhoso7u7oPxAtCKLgjPlo0-ZGWAY_BkYW1NXLcJqeTjN0mjFJd9d_b-t0l6nsheSi4fQ57yHveaPoGSULyjP6bms710Kz2NsWF4QkXFL6IDqlkrO5YIQ_PLqfRGfebwlJeS7E4-iEMZmynIjT6OcXcKEGB_tgXbxxiK0zV-iw9ca_jSFu8ToONTq7t2VcmtZ66FxcObsbyvHaXqOLlw4DaLSdj20VXwaon0SPKmg8Ph2_s-jy44fvy8_z9cWn1fJ8PYcsp2EuRFFIzCVjheCskqlkGRMykYxjmWsqsqIsgVdZkdEcOdWizFIESnImiooDn0UvDrr7xno1euIV5UykhIvellm0OhClha3aO7MD91tZMOpvwbqN6i0wukEFCVYkk5XOKCQ0S6VIORYlxVyLotSs13o_TuuKHZYa2-CgmYhO_7SmVht7pXjCybCIWfR6FHD2V4c-qJ3xGpsG2sE9RQnP0343yTDr5T_o_a8bqQ30DzBtZfu5ehBV54nMWZLwbKAW91D9KXFndB-gyvT1ScObSUPPBLwJG-i8V6tvX_-fvfgxZV8dsTVCE2pvmy4Y2_opmBxA7az3Dqs7kylRQ_5v3VBD_tWY_77t-fGC7ppuA8__ANoj_74</recordid><startdate>20120829</startdate><enddate>20120829</enddate><creator>Senter, Phil</creator><creator>Kirkland, James I</creator><creator>DeBlieux, Donald D</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>IOV</scope><scope>ISR</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20120829</creationdate><title>Martharaptor greenriverensis, a new theropod dinosaur from the Lower Cretaceous of Utah</title><author>Senter, Phil ; Kirkland, James I ; DeBlieux, Donald D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a781t-66bb9e8922b632f959272694923ed8c167bdda3f7b718e31c6d75ea10826bf3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Analysis</topic><topic>Animals</topic><topic>Biology</topic><topic>Bones</topic><topic>Cedar</topic><topic>Coelurosauria</topic><topic>Cretaceous</topic><topic>Cretaceous period</topic><topic>Dinosauria</topic><topic>Dinosaurs</topic><topic>Dinosaurs - anatomy & histology</topic><topic>Dinosaurs - classification</topic><topic>Earth Sciences</topic><topic>Environmental aspects</topic><topic>Excavation</topic><topic>Fauna</topic><topic>Fendlerella utahensis</topic><topic>Genetic aspects</topic><topic>Geology</topic><topic>Morphology</topic><topic>Museums</topic><topic>New genera</topic><topic>New species</topic><topic>Paleontology</topic><topic>Phylogenetics</topic><topic>Phylogeny</topic><topic>Placement</topic><topic>Reptiles & amphibians</topic><topic>Saurischia</topic><topic>Scapula</topic><topic>Spine</topic><topic>Stratigraphy</topic><topic>Taxa</topic><topic>Terminology as Topic</topic><topic>Therizinosauroidea</topic><topic>Theropoda</topic><topic>Theropods</topic><topic>Utah</topic><topic>Vertebrae</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Senter, Phil</creatorcontrib><creatorcontrib>Kirkland, James I</creatorcontrib><creatorcontrib>DeBlieux, Donald D</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Opposing Viewpoints</collection><collection>Gale In Context: Science</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Meteorological & Geoastrophysical Abstracts - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Senter, Phil</au><au>Kirkland, James I</au><au>DeBlieux, Donald D</au><au>Dodson, Peter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Martharaptor greenriverensis, a new theropod dinosaur from the Lower Cretaceous of Utah</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2012-08-29</date><risdate>2012</risdate><volume>7</volume><issue>8</issue><spage>e43911</spage><epage>e43911</epage><pages>e43911-e43911</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>The Yellow Cat Member of the Cedar Mountain Formation (Early Cretaceous, Barremian?) of Utah has yielded a rich dinosaur fauna, including the basal therizinosauroid theropod Falcarius utahensis at its base. Recent excavation uncovered a new possible therizinosauroid taxon from a higher stratigraphic level in the Cedar Mountain Formation than F. utahensis.
Here we describe a fragmentary skeleton of the new theropod and perform a phylogenetic analysis to determine its phylogenetic position. The skeleton includes fragments of vertebrae, a scapula, forelimb and hindlimb bones, and an ischium. It also includes several well-preserved manual unguals. Manual and pedal morphology show that the specimen is distinct from other theropods from the Cedar Mountain Formation and from previously described therizinosauroids. It is here named as the holotype of a new genus and species, Martharaptor greenriverensis. Phylogenetic analysis places M. greenriverensis within Therizinosauroidea as the sister taxon to Alxasaurus + Therizinosauridae, although support for this placement is weak.
The new specimen adds to the known dinosaurian fauna of the Yellow Cat Member of the Cedar Mountain Formation. If the phylogenetic placement is correct, it also adds to the known diversity of Therizinosauroidea.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>22952806</pmid><doi>10.1371/journal.pone.0043911</doi><tpages>e43911</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Animals Biology Bones Cedar Coelurosauria Cretaceous Cretaceous period Dinosauria Dinosaurs Dinosaurs - anatomy & histology Dinosaurs - classification Earth Sciences Environmental aspects Excavation Fauna Fendlerella utahensis Genetic aspects Geology Morphology Museums New genera New species Paleontology Phylogenetics Phylogeny Placement Reptiles & amphibians Saurischia Scapula Spine Stratigraphy Taxa Terminology as Topic Therizinosauroidea Theropoda Theropods Utah Vertebrae |
| title | Martharaptor greenriverensis, a new theropod dinosaur from the Lower Cretaceous of Utah |
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