The First Report of a Himalayan Bradoriid Arthropod and the Paleogeographic Significance of this Form
Two arthropod specimens assigned to Anabarochilina australis (Hinz-Schallreuter, 1993) from the late middle Cambrian (Guzhangian Stage, Lejopyge acantha Biozone) Karsha Formation, Zanskar Valley, northern India comprise the first record of the Bradoriida from the Himalaya. These Indian specimens can...
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| Veröffentlicht in: | Journal of paleontology 2011-01, Vol.85 (1), p.76-82 |
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| creator | Collette, Joseph H Hughes, Nigel C Peng, Shanchi |
| description | Two arthropod specimens assigned to Anabarochilina australis (Hinz-Schallreuter, 1993) from the late middle Cambrian (Guzhangian Stage, Lejopyge acantha Biozone) Karsha Formation, Zanskar Valley, northern India comprise the first record of the Bradoriida from the Himalaya. These Indian specimens cannot be distinguished statistically from other A. australis material based on valve length and height ratios, and differ only slightly in other characters. These observations justify the synonymy of a number of similar forms worldwide that previously have been only questionably attributed to A. australis. The occurrence of the species in Australia, India, Laurentia, and Kazakhstan encompassed an equatorial distribution from approximately 20° north to 20° south during late middle Cambrian time and indicates that A. australis had the ability to disperse across deep ocean basins. Such a distribution is consistent with a planktonic lifestyle. In contrast, other congeneric species of Anabarochilina apparently had more localized occurrence or, in the case of A. primordialis, were distributed across several paleocontinents and climatic zones. |
| doi_str_mv | 10.1666/10-063.1 |
| format | Article |
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These Indian specimens cannot be distinguished statistically from other A. australis material based on valve length and height ratios, and differ only slightly in other characters. These observations justify the synonymy of a number of similar forms worldwide that previously have been only questionably attributed to A. australis. The occurrence of the species in Australia, India, Laurentia, and Kazakhstan encompassed an equatorial distribution from approximately 20° north to 20° south during late middle Cambrian time and indicates that A. australis had the ability to disperse across deep ocean basins. Such a distribution is consistent with a planktonic lifestyle. In contrast, other congeneric species of Anabarochilina apparently had more localized occurrence or, in the case of A. primordialis, were distributed across several paleocontinents and climatic zones.</description><identifier>ISSN: 0022-3360</identifier><identifier>EISSN: 1937-2337</identifier><identifier>DOI: 10.1666/10-063.1</identifier><identifier>CODEN: JPALAZ</identifier><language>eng</language><publisher>New York, USA: Cambridge University Press</publisher><subject>Anabarochilina australis ; Appendages ; Art galleries & museums ; Arthropoda ; Arthropods ; Asia ; biogeography ; Bradoriida ; Cambrian ; Cambrian series 2 ; Cambrian series 3 ; Climatic zones ; Geology ; Guzhangian ; Himalayas ; India ; Indian Peninsula ; Invertebrata ; invertebrate ; Jammu and Kashmir ; Karsha Formation ; Lifestyle ; Marine ; Middle Cambrian ; morphology ; Ocean basins ; Oceans ; Paleogeography ; Paleontology ; Paleozoic ; Specimens ; Svealutidae ; taxonomy ; Teta Member ; Valves ; Zanskar Valley</subject><ispartof>Journal of paleontology, 2011-01, Vol.85 (1), p.76-82</ispartof><rights>The Paleontological Society</rights><rights>Copyright © The Paleontological Society</rights><rights>GeoRef, Copyright 2020, American Geosciences Institute. 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Paleontol</addtitle><description>Two arthropod specimens assigned to Anabarochilina australis (Hinz-Schallreuter, 1993) from the late middle Cambrian (Guzhangian Stage, Lejopyge acantha Biozone) Karsha Formation, Zanskar Valley, northern India comprise the first record of the Bradoriida from the Himalaya. These Indian specimens cannot be distinguished statistically from other A. australis material based on valve length and height ratios, and differ only slightly in other characters. These observations justify the synonymy of a number of similar forms worldwide that previously have been only questionably attributed to A. australis. The occurrence of the species in Australia, India, Laurentia, and Kazakhstan encompassed an equatorial distribution from approximately 20° north to 20° south during late middle Cambrian time and indicates that A. australis had the ability to disperse across deep ocean basins. Such a distribution is consistent with a planktonic lifestyle. In contrast, other congeneric species of Anabarochilina apparently had more localized occurrence or, in the case of A. primordialis, were distributed across several paleocontinents and climatic zones.</description><subject>Anabarochilina australis</subject><subject>Appendages</subject><subject>Art galleries & museums</subject><subject>Arthropoda</subject><subject>Arthropods</subject><subject>Asia</subject><subject>biogeography</subject><subject>Bradoriida</subject><subject>Cambrian</subject><subject>Cambrian series 2</subject><subject>Cambrian series 3</subject><subject>Climatic zones</subject><subject>Geology</subject><subject>Guzhangian</subject><subject>Himalayas</subject><subject>India</subject><subject>Indian Peninsula</subject><subject>Invertebrata</subject><subject>invertebrate</subject><subject>Jammu and Kashmir</subject><subject>Karsha Formation</subject><subject>Lifestyle</subject><subject>Marine</subject><subject>Middle Cambrian</subject><subject>morphology</subject><subject>Ocean basins</subject><subject>Oceans</subject><subject>Paleogeography</subject><subject>Paleontology</subject><subject>Paleozoic</subject><subject>Specimens</subject><subject>Svealutidae</subject><subject>taxonomy</subject><subject>Teta Member</subject><subject>Valves</subject><subject>Zanskar Valley</subject><issn>0022-3360</issn><issn>1937-2337</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kVFrFDEQx4NY8KyCX0AIPqgoWzNJLrl9rMWzhUJF6_OSZGfvcuxt1ske0m9vji0WxEJgHuaX-U9-YewViDMwxnwCUQmjzuAJW0CtbCWVsk_ZQggpK6WMeMae57wTAqQBWDC83SJfR8oT_45joomnjjt-Gfeud3du4J_JtYlibPk5TVtKY2q5G1o-lXvfXI9pUw65cRsD_xE3Q-xicEPA45xpGzNfJ9q_YCed6zO-vK-n7Of6y-3FZXV98_Xq4vy6clqpqQK0tfII3rs2hC74lcZghPcGnNPaAGplha09SNTSdytpyiOslJ1v0cqgTtm7ee5I6dcB89TsYw7Y927AdMjNammsqXUtC_nmH3KXDjSU5ZqVtkYLBcsCvZ-hQClnwq4ZqYihuwZEc7R9rMV2AwV9PaO7PCX6y0kloF4KUfof537RlUPEYuh3or59iJUCoCnfYnVd6A_3wW7vKbYbfOD-E_12hn1MacDHd_wD8_OjKg</recordid><startdate>201101</startdate><enddate>201101</enddate><creator>Collette, Joseph H</creator><creator>Hughes, Nigel C</creator><creator>Peng, Shanchi</creator><general>Cambridge University Press</general><general>Paleontological Society</general><general>The Paleontological Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7SN</scope><scope>7TN</scope><scope>7XB</scope><scope>88A</scope><scope>88I</scope><scope>8AF</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M2O</scope><scope>M2P</scope><scope>M7P</scope><scope>MBDVC</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>R05</scope><scope>S0X</scope><scope>H96</scope></search><sort><creationdate>201101</creationdate><title>The First Report of a Himalayan Bradoriid Arthropod and the Paleogeographic Significance of this Form</title><author>Collette, Joseph H ; Hughes, Nigel C ; Peng, Shanchi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a433t-1e793be1bbadccfcb84ec60bb61aa4461e437079b12e42bf826611722fbde72c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Anabarochilina australis</topic><topic>Appendages</topic><topic>Art galleries & museums</topic><topic>Arthropoda</topic><topic>Arthropods</topic><topic>Asia</topic><topic>biogeography</topic><topic>Bradoriida</topic><topic>Cambrian</topic><topic>Cambrian series 2</topic><topic>Cambrian series 3</topic><topic>Climatic zones</topic><topic>Geology</topic><topic>Guzhangian</topic><topic>Himalayas</topic><topic>India</topic><topic>Indian Peninsula</topic><topic>Invertebrata</topic><topic>invertebrate</topic><topic>Jammu and Kashmir</topic><topic>Karsha Formation</topic><topic>Lifestyle</topic><topic>Marine</topic><topic>Middle Cambrian</topic><topic>morphology</topic><topic>Ocean basins</topic><topic>Oceans</topic><topic>Paleogeography</topic><topic>Paleontology</topic><topic>Paleozoic</topic><topic>Specimens</topic><topic>Svealutidae</topic><topic>taxonomy</topic><topic>Teta Member</topic><topic>Valves</topic><topic>Zanskar Valley</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Collette, Joseph H</creatorcontrib><creatorcontrib>Hughes, Nigel C</creatorcontrib><creatorcontrib>Peng, Shanchi</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>University Readers</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>eLibrary</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Biological Science Collection</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>University of Michigan</collection><collection>SIRS Editorial</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><jtitle>Journal of paleontology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Collette, Joseph H</au><au>Hughes, Nigel C</au><au>Peng, Shanchi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The First Report of a Himalayan Bradoriid Arthropod and the Paleogeographic Significance of this Form</atitle><jtitle>Journal of paleontology</jtitle><addtitle>J. Paleontol</addtitle><date>2011-01</date><risdate>2011</risdate><volume>85</volume><issue>1</issue><spage>76</spage><epage>82</epage><pages>76-82</pages><issn>0022-3360</issn><eissn>1937-2337</eissn><coden>JPALAZ</coden><abstract>Two arthropod specimens assigned to Anabarochilina australis (Hinz-Schallreuter, 1993) from the late middle Cambrian (Guzhangian Stage, Lejopyge acantha Biozone) Karsha Formation, Zanskar Valley, northern India comprise the first record of the Bradoriida from the Himalaya. These Indian specimens cannot be distinguished statistically from other A. australis material based on valve length and height ratios, and differ only slightly in other characters. These observations justify the synonymy of a number of similar forms worldwide that previously have been only questionably attributed to A. australis. The occurrence of the species in Australia, India, Laurentia, and Kazakhstan encompassed an equatorial distribution from approximately 20° north to 20° south during late middle Cambrian time and indicates that A. australis had the ability to disperse across deep ocean basins. Such a distribution is consistent with a planktonic lifestyle. In contrast, other congeneric species of Anabarochilina apparently had more localized occurrence or, in the case of A. primordialis, were distributed across several paleocontinents and climatic zones.</abstract><cop>New York, USA</cop><pub>Cambridge University Press</pub><doi>10.1666/10-063.1</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of paleontology, 2011-01, Vol.85 (1), p.76-82 |
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| subjects | Anabarochilina australis Appendages Art galleries & museums Arthropoda Arthropods Asia biogeography Bradoriida Cambrian Cambrian series 2 Cambrian series 3 Climatic zones Geology Guzhangian Himalayas India Indian Peninsula Invertebrata invertebrate Jammu and Kashmir Karsha Formation Lifestyle Marine Middle Cambrian morphology Ocean basins Oceans Paleogeography Paleontology Paleozoic Specimens Svealutidae taxonomy Teta Member Valves Zanskar Valley |
| title | The First Report of a Himalayan Bradoriid Arthropod and the Paleogeographic Significance of this Form |
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