Late Late Cambrian Trilobites From Near Birch Inlet, South‐Western Tasmania
The first late Late Cambrian basinal‐facies trilobites to be described from Tasmania are from a succession exposed 8.5 km west of Birch Inlet, south‐western Tasmania. Twenty‐one taxa are described; the six agnostoid species include a new species of Leiagnostus, L inletensis. The polymeroids include...
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Veröffentlicht in: | Palaeontology 2000-10, Vol.43 (5), p.881-917 |
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description | The first late Late Cambrian basinal‐facies trilobites to be described from Tasmania are from a succession exposed 8.5 km west of Birch Inlet, south‐western Tasmania. Twenty‐one taxa are described; the six agnostoid species include a new species of Leiagnostus, L inletensis. The polymeroids include five new species: Hedinaspis uniformis, Proceratopyge longa, Niobella birchensisSkljarella expansa and Ivshinaspis reticulata.SkljarellaIvshinaspis are described for the first time from Australia. The specimens are preserved in siltstone belonging to a basinal facies; the fauna has more in common with those of the South‐East China Faunal Province than with the shallow‐water carbonate‐facies faunas from northern Australia. The fauna is of late Late Cambrian age (Payntonian–earliest Datsonian) on the north Australian biostratigraphic scale. The Birch Inlet fauna is correlated with those of the Siyangshan Formation of Zhejiang, the Guoziguonen Formation of Xinjiang and the Shengjiawan Formation of Hunan. There are similarities with late Late Cambrian faunas from Nevada, Kazakhstan and New Zealand. Key words: Trilobita, Late Cambrian, Tasmania, basinal facies, biostratigraphy, palaeobiogeography. |
doi_str_mv | 10.1111/1475-4983.00154 |
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B.</creator><creatorcontrib>Bao, Jin‐Song ; JAGO, J. B.</creatorcontrib><description>The first late Late Cambrian basinal‐facies trilobites to be described from Tasmania are from a succession exposed 8.5 km west of Birch Inlet, south‐western Tasmania. Twenty‐one taxa are described; the six agnostoid species include a new species of Leiagnostus, L inletensis. The polymeroids include five new species: Hedinaspis uniformis, Proceratopyge longa, Niobella birchensisSkljarella expansa and Ivshinaspis reticulata.SkljarellaIvshinaspis are described for the first time from Australia. The specimens are preserved in siltstone belonging to a basinal facies; the fauna has more in common with those of the South‐East China Faunal Province than with the shallow‐water carbonate‐facies faunas from northern Australia. The fauna is of late Late Cambrian age (Payntonian–earliest Datsonian) on the north Australian biostratigraphic scale. The Birch Inlet fauna is correlated with those of the Siyangshan Formation of Zhejiang, the Guoziguonen Formation of Xinjiang and the Shengjiawan Formation of Hunan. There are similarities with late Late Cambrian faunas from Nevada, Kazakhstan and New Zealand. 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B.</creatorcontrib><title>Late Late Cambrian Trilobites From Near Birch Inlet, South‐Western Tasmania</title><title>Palaeontology</title><description>The first late Late Cambrian basinal‐facies trilobites to be described from Tasmania are from a succession exposed 8.5 km west of Birch Inlet, south‐western Tasmania. Twenty‐one taxa are described; the six agnostoid species include a new species of Leiagnostus, L inletensis. The polymeroids include five new species: Hedinaspis uniformis, Proceratopyge longa, Niobella birchensisSkljarella expansa and Ivshinaspis reticulata.SkljarellaIvshinaspis are described for the first time from Australia. The specimens are preserved in siltstone belonging to a basinal facies; the fauna has more in common with those of the South‐East China Faunal Province than with the shallow‐water carbonate‐facies faunas from northern Australia. The fauna is of late Late Cambrian age (Payntonian–earliest Datsonian) on the north Australian biostratigraphic scale. The Birch Inlet fauna is correlated with those of the Siyangshan Formation of Zhejiang, the Guoziguonen Formation of Xinjiang and the Shengjiawan Formation of Hunan. There are similarities with late Late Cambrian faunas from Nevada, Kazakhstan and New Zealand. Key words: Trilobita, Late Cambrian, Tasmania, basinal facies, biostratigraphy, palaeobiogeography.</description><subject>Hedinaspis uniformis</subject><subject>Ivshinaspis</subject><subject>Ivshinaspis reticulata</subject><subject>Key words: Brachiopoda, Caradoc, South Kazakhstan, shallow‐water facies, palaeoecology, palaeobiogeography</subject><subject>Leiagnostus inletensis</subject><subject>Niobella birchensis</subject><subject>Proceratopyge longa</subject><subject>Skljarella</subject><subject>Skljarella expansa</subject><issn>0031-0239</issn><issn>1475-4983</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFkE1Lw0AQhhdRsFbPXvfkybT7lTR7rMVqIX6AFY_LJJnQlXzU3ZTSmz_B3-gvMWnFq3OYgeF9huEh5JKzEe9qzNUkDJSO5YgxHqojMvjbHJMBY5IHTEh9Ss68f2eMiVBHA_KQQIt032ZQpc5CTZfOlk1qW_R07pqKPiI4emNdtqKLusT2mr40m3b1_fn1hr5F1xHgK6gtnJOTAkqPF79zSF7nt8vZfZA83S1m0yQAOdEqAC5ZoZUSShcKckw1cNQoMpVmCotQasVlHmeohOACJpGIdM5CHWZpXsSplkNydbi7ds3HpnvCVNZnWJZQY7Pxhsc80lEcd8HxIZi5xnuHhVk7W4HbGc5Mr830kkwvyey1dYQ6EFtb4u6_uHmeJtMe-wGB9G7e</recordid><startdate>20001001</startdate><enddate>20001001</enddate><creator>Bao, Jin‐Song</creator><creator>JAGO, J. B.</creator><general>Blackwell Publishers Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20001001</creationdate><title>Late Late Cambrian Trilobites From Near Birch Inlet, South‐Western Tasmania</title><author>Bao, Jin‐Song ; JAGO, J. B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a3794-a130f944249f4adeb9a1e9e2c4bc4ef539413d8ce42212a76269d0595cbdf8b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Hedinaspis uniformis</topic><topic>Ivshinaspis</topic><topic>Ivshinaspis reticulata</topic><topic>Key words: Brachiopoda, Caradoc, South Kazakhstan, shallow‐water facies, palaeoecology, palaeobiogeography</topic><topic>Leiagnostus inletensis</topic><topic>Niobella birchensis</topic><topic>Proceratopyge longa</topic><topic>Skljarella</topic><topic>Skljarella expansa</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bao, Jin‐Song</creatorcontrib><creatorcontrib>JAGO, J. B.</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Palaeontology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bao, Jin‐Song</au><au>JAGO, J. B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Late Late Cambrian Trilobites From Near Birch Inlet, South‐Western Tasmania</atitle><jtitle>Palaeontology</jtitle><date>2000-10-01</date><risdate>2000</risdate><volume>43</volume><issue>5</issue><spage>881</spage><epage>917</epage><pages>881-917</pages><issn>0031-0239</issn><eissn>1475-4983</eissn><abstract>The first late Late Cambrian basinal‐facies trilobites to be described from Tasmania are from a succession exposed 8.5 km west of Birch Inlet, south‐western Tasmania. Twenty‐one taxa are described; the six agnostoid species include a new species of Leiagnostus, L inletensis. The polymeroids include five new species: Hedinaspis uniformis, Proceratopyge longa, Niobella birchensisSkljarella expansa and Ivshinaspis reticulata.SkljarellaIvshinaspis are described for the first time from Australia. The specimens are preserved in siltstone belonging to a basinal facies; the fauna has more in common with those of the South‐East China Faunal Province than with the shallow‐water carbonate‐facies faunas from northern Australia. The fauna is of late Late Cambrian age (Payntonian–earliest Datsonian) on the north Australian biostratigraphic scale. The Birch Inlet fauna is correlated with those of the Siyangshan Formation of Zhejiang, the Guoziguonen Formation of Xinjiang and the Shengjiawan Formation of Hunan. There are similarities with late Late Cambrian faunas from Nevada, Kazakhstan and New Zealand. Key words: Trilobita, Late Cambrian, Tasmania, basinal facies, biostratigraphy, palaeobiogeography.</abstract><cop>Oxford, UK and Boston, USA</cop><pub>Blackwell Publishers Ltd</pub><doi>10.1111/1475-4983.00154</doi><tpages>37</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Hedinaspis uniformis Ivshinaspis Ivshinaspis reticulata Key words: Brachiopoda, Caradoc, South Kazakhstan, shallow‐water facies, palaeoecology, palaeobiogeography Leiagnostus inletensis Niobella birchensis Proceratopyge longa Skljarella Skljarella expansa |
title | Late Late Cambrian Trilobites From Near Birch Inlet, South‐Western Tasmania |
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