First Mesozoic mammal from Australia-an early Cretaceous monotreme
Here we describe Australia's first known Mesozoic mammal and the first known early Cretaceous mammal from Gondwanaland. Steropodon galmani n. gen. and sp., discovered in early Cretaceous sediments at Lightning Ridge, New South Wales, Australia, appears to represent an ornithorhynchid-like monot...
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| Veröffentlicht in: | Nature (London) 1985-11, Vol.318 (6044), p.363-366 |
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| creator | Archer, Michael Flannery, Timothy F Ritchie, Alex Molnar, R. E |
| description | Here we describe Australia's first known Mesozoic mammal and the first known early Cretaceous mammal from Gondwanaland.
Steropodon galmani
n. gen. and sp., discovered in early Cretaceous sediments at Lightning Ridge, New South Wales, Australia, appears to represent an ornithorhynchid-like monotreme. This discovery represents the first record of a fossil mammal from Australia that is older than 22.4±0.05 Myr
1,2
and the specimen is, by more than 85Myr, the oldest known monotreme. As the oldest monotreme, it will necessitate a radical revision of present understanding about dental homology in the middle Miocene
Obdurodon insignis
, the only fossil monotreme previously known to have had teeth
3
. The structure of
S. galmani
supports one current view
4
that monotremes, one of three groups of living mammals (the other two being marsupials and placentals), are phylogenetically close to the other groups of living mammals. |
| doi_str_mv | 10.1038/318363a0 |
| format | Article |
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Steropodon galmani
n. gen. and sp., discovered in early Cretaceous sediments at Lightning Ridge, New South Wales, Australia, appears to represent an ornithorhynchid-like monotreme. This discovery represents the first record of a fossil mammal from Australia that is older than 22.4±0.05 Myr
1,2
and the specimen is, by more than 85Myr, the oldest known monotreme. As the oldest monotreme, it will necessitate a radical revision of present understanding about dental homology in the middle Miocene
Obdurodon insignis
, the only fossil monotreme previously known to have had teeth
3
. The structure of
S. galmani
supports one current view
4
that monotremes, one of three groups of living mammals (the other two being marsupials and placentals), are phylogenetically close to the other groups of living mammals.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/318363a0</identifier><identifier>CODEN: NATUAS</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Humanities and Social Sciences ; letter ; multidisciplinary ; Paleontology ; Science ; Science (multidisciplinary) ; Vertebrate paleontology</subject><ispartof>Nature (London), 1985-11, Vol.318 (6044), p.363-366</ispartof><rights>Springer Nature Limited 1985</rights><rights>1986 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a400t-4142faeaf29cdae21df614bfe329da4203711a89e6200237f98d1d69511a0c923</citedby><cites>FETCH-LOGICAL-a400t-4142faeaf29cdae21df614bfe329da4203711a89e6200237f98d1d69511a0c923</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,2727,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8562689$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Archer, Michael</creatorcontrib><creatorcontrib>Flannery, Timothy F</creatorcontrib><creatorcontrib>Ritchie, Alex</creatorcontrib><creatorcontrib>Molnar, R. E</creatorcontrib><title>First Mesozoic mammal from Australia-an early Cretaceous monotreme</title><title>Nature (London)</title><addtitle>Nature</addtitle><description>Here we describe Australia's first known Mesozoic mammal and the first known early Cretaceous mammal from Gondwanaland.
Steropodon galmani
n. gen. and sp., discovered in early Cretaceous sediments at Lightning Ridge, New South Wales, Australia, appears to represent an ornithorhynchid-like monotreme. This discovery represents the first record of a fossil mammal from Australia that is older than 22.4±0.05 Myr
1,2
and the specimen is, by more than 85Myr, the oldest known monotreme. As the oldest monotreme, it will necessitate a radical revision of present understanding about dental homology in the middle Miocene
Obdurodon insignis
, the only fossil monotreme previously known to have had teeth
3
. The structure of
S. galmani
supports one current view
4
that monotremes, one of three groups of living mammals (the other two being marsupials and placentals), are phylogenetically close to the other groups of living mammals.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Humanities and Social Sciences</subject><subject>letter</subject><subject>multidisciplinary</subject><subject>Paleontology</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Vertebrate paleontology</subject><issn>0028-0836</issn><issn>1476-4687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><recordid>eNptz01LxDAQBuAgCq6r4C-QHDzooZqvTZPjurgqrHjRcxnTRLq0zTJpD_rrjVT35Glg5uFlXkLOObvhTJpbyY3UEtgBmXFV6kJpUx6SGWPCFCyfjslJSlvG2IKXakbu1g2mgT77FL9i42gHXQctDRg7uhzTgNA2UEBPPWD7SVfoB3A-jol2sY8D-s6fkqMAbfJnv3NO3tb3r6vHYvPy8LRabgpQjA2F4koE8BCEdTV4weuguXoPXgpbgxJMlpyDsV6L_KwsgzU1r7Vd5C1zVsg5uZpyHcaU0Idqh00H-FlxVv10r_66Z3o50R0kB21A6F2T9t4stNDGZnY9sZQv_YfHahtH7HOJ_yIvJtvDMKLfZ-3BN_9hb0g</recordid><startdate>19851128</startdate><enddate>19851128</enddate><creator>Archer, Michael</creator><creator>Flannery, Timothy F</creator><creator>Ritchie, Alex</creator><creator>Molnar, R. E</creator><general>Nature Publishing Group UK</general><general>Nature Publishing</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19851128</creationdate><title>First Mesozoic mammal from Australia-an early Cretaceous monotreme</title><author>Archer, Michael ; Flannery, Timothy F ; Ritchie, Alex ; Molnar, R. E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a400t-4142faeaf29cdae21df614bfe329da4203711a89e6200237f98d1d69511a0c923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Humanities and Social Sciences</topic><topic>letter</topic><topic>multidisciplinary</topic><topic>Paleontology</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><topic>Vertebrate paleontology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Archer, Michael</creatorcontrib><creatorcontrib>Flannery, Timothy F</creatorcontrib><creatorcontrib>Ritchie, Alex</creatorcontrib><creatorcontrib>Molnar, R. E</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Archer, Michael</au><au>Flannery, Timothy F</au><au>Ritchie, Alex</au><au>Molnar, R. E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First Mesozoic mammal from Australia-an early Cretaceous monotreme</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><date>1985-11-28</date><risdate>1985</risdate><volume>318</volume><issue>6044</issue><spage>363</spage><epage>366</epage><pages>363-366</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><coden>NATUAS</coden><abstract>Here we describe Australia's first known Mesozoic mammal and the first known early Cretaceous mammal from Gondwanaland.
Steropodon galmani
n. gen. and sp., discovered in early Cretaceous sediments at Lightning Ridge, New South Wales, Australia, appears to represent an ornithorhynchid-like monotreme. This discovery represents the first record of a fossil mammal from Australia that is older than 22.4±0.05 Myr
1,2
and the specimen is, by more than 85Myr, the oldest known monotreme. As the oldest monotreme, it will necessitate a radical revision of present understanding about dental homology in the middle Miocene
Obdurodon insignis
, the only fossil monotreme previously known to have had teeth
3
. The structure of
S. galmani
supports one current view
4
that monotremes, one of three groups of living mammals (the other two being marsupials and placentals), are phylogenetically close to the other groups of living mammals.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><doi>10.1038/318363a0</doi><tpages>4</tpages></addata></record> |
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| issn | 0028-0836 1476-4687 |
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| source | Nature; Alma/SFX Local Collection |
| subjects | Earth sciences Earth, ocean, space Exact sciences and technology Humanities and Social Sciences letter multidisciplinary Paleontology Science Science (multidisciplinary) Vertebrate paleontology |
| title | First Mesozoic mammal from Australia-an early Cretaceous monotreme |
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