Comparative osteology and phylogenetic systematics of fossil and living bony‐tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Identifieur interne : 001631 ( Istex/Corpus ); précédent : 001630; suivant : 001632Comparative osteology and phylogenetic systematics of fossil and living bony‐tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Auteurs : Eric J. HiltonSource :
- Zoological Journal of the Linnean Society [ 0024-4082 ] ; 2003-01.
English descriptors
- KwdEn :
Abstract
Several recent studies using analyses of morphological characters have addressed the interrelationships of Osteoglossomorpha, a group that sometimes is considered the living sister group of all other living teleosts. Many characters used in these studies were found to be poorly defined, to be coded incorrectly or illogically, or to display more variation than was described. The goal of this study is to address these concerns and contribute generally to knowledge of the morphology and systematic relationships of osteoglossomorphs. Analysis of 72 characters (65 informative) scored for 20 genera resulted in two most parsimonious cladograms (171 steps, CI = 0.6433, CI = 0.6139 excluding uninformative characters, HI = 0.3977, HI = 0.3861 excluding uninformative characters; RI = 0.7782; RC = 0.5006). Osteoglossomorpha is supported by both synapomorphies and homoplasies, although its monophyly was not truly tested in this analysis (only a single outgroup, Elops , was included in the analysis). The only difference in the topologies of these cladograms is in the position of †Lycoptera (recovered as either the sister group of all other osteoglossomorphs sampled or of †Eohiodon +Hiodon ). †Ostariostoma is recovered as the sister group of all non‐hiodontiform osteoglossomorphs. Mormyrids are the sister group of notopterids + osteoglossids. This clade has not been found in other recent analyses. Mormyrids and notopterids usually are considered more closely related to each other than to any other group; characters not included here support this relationship and future consideration of these characters must be made. Although almost completely dichotomous, many nodes of the resulting trees lack rigorous support. For example, †Palaeonotopterus is interpreted as the sister group of all mormyrids sampled, although for this taxon only 22% of characters could be scored. © 2003 The Linnean Society of London. Zoological Journal of the Linnean Society , 2003, 137, 1−100.
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DOI: 10.1046/j.1096-3642.2003.00032.x
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Many characters used in these studies were found to be poorly defined, to be coded incorrectly or illogically, or to display more variation than was described. The goal of this study is to address these concerns and contribute generally to knowledge of the morphology and systematic relationships of osteoglossomorphs. Analysis of 72 characters (65 informative) scored for 20 genera resulted in two most parsimonious cladograms (171 steps, CI = 0.6433, CI = 0.6139 excluding uninformative characters, HI = 0.3977, HI = 0.3861 excluding uninformative characters; RI = 0.7782; RC = 0.5006). Osteoglossomorpha is supported by both synapomorphies and homoplasies, although its monophyly was not truly tested in this analysis (only a single outgroup, Elops , was included in the analysis). The only difference in the topologies of these cladograms is in the position of †Lycoptera (recovered as either the sister group of all other osteoglossomorphs sampled or of †Eohiodon +Hiodon ). †Ostariostoma is recovered as the sister group of all non‐hiodontiform osteoglossomorphs. Mormyrids are the sister group of notopterids + osteoglossids. This clade has not been found in other recent analyses. Mormyrids and notopterids usually are considered more closely related to each other than to any other group; characters not included here support this relationship and future consideration of these characters must be made. Although almost completely dichotomous, many nodes of the resulting trees lack rigorous support. For example, †Palaeonotopterus is interpreted as the sister group of all mormyrids sampled, although for this taxon only 22% of characters could be scored. © 2003 The Linnean Society of London. 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Many characters used in these studies were found to be poorly defined, to be coded incorrectly or illogically, or to display more variation than was described. The goal of this study is to address these concerns and contribute generally to knowledge of the morphology and systematic relationships of osteoglossomorphs. Analysis of 72 characters (65 informative) scored for 20 genera resulted in two most parsimonious cladograms (171 steps, CI = 0.6433, CI = 0.6139 excluding uninformative characters, HI = 0.3977, HI = 0.3861 excluding uninformative characters; RI = 0.7782; RC = 0.5006). Osteoglossomorpha is supported by both synapomorphies and homoplasies, although its monophyly was not truly tested in this analysis (only a single outgroup, Elops , was included in the analysis). The only difference in the topologies of these cladograms is in the position of †Lycoptera (recovered as either the sister group of all other osteoglossomorphs sampled or of †Eohiodon +Hiodon ). †Ostariostoma is recovered as the sister group of all non‐hiodontiform osteoglossomorphs. Mormyrids are the sister group of notopterids + osteoglossids. This clade has not been found in other recent analyses. Mormyrids and notopterids usually are considered more closely related to each other than to any other group; characters not included here support this relationship and future consideration of these characters must be made. Although almost completely dichotomous, many nodes of the resulting trees lack rigorous support. For example, †Palaeonotopterus is interpreted as the sister group of all mormyrids sampled, although for this taxon only 22% of characters could be scored. © 2003 The Linnean Society of London. 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Many characters used in these studies were found to be poorly defined, to be coded incorrectly or illogically, or to display more variation than was described. The goal of this study is to address these concerns and contribute generally to knowledge of the morphology and systematic relationships of osteoglossomorphs. Analysis of 72 characters (65 informative) scored for 20 genera resulted in two most parsimonious cladograms (171 steps, CI = 0.6433, CI = 0.6139 excluding uninformative characters, HI = 0.3977, HI = 0.3861 excluding uninformative characters; RI = 0.7782; RC = 0.5006). Osteoglossomorpha is supported by both synapomorphies and homoplasies, although its monophyly was not truly tested in this analysis (only a single outgroup, Elops , was included in the analysis). The only difference in the topologies of these cladograms is in the position of †Lycoptera (recovered as either the sister group of all other osteoglossomorphs sampled or of †Eohiodon +Hiodon ). †Ostariostoma is recovered as the sister group of all non‐hiodontiform osteoglossomorphs. Mormyrids are the sister group of notopterids + osteoglossids. This clade has not been found in other recent analyses. Mormyrids and notopterids usually are considered more closely related to each other than to any other group; characters not included here support this relationship and future consideration of these characters must be made. Although almost completely dichotomous, many nodes of the resulting trees lack rigorous support. For example, †Palaeonotopterus is interpreted as the sister group of all mormyrids sampled, although for this taxon only 22% of characters could be scored. © 2003 The Linnean Society of London. 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Geology Department, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605, USA. E‐mail: <email>ehilton@fieldmuseum.org</email></correspondenceTo><objectNameGroup><objectName elementName="appendix">Appendices</objectName></objectNameGroup><linkGroup><link type="toTypesetVersion" href="file:ZOJ.ZOJ32.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Received May 2002 accepted for publication May 2002</unparsedEditorialHistory><countGroup><count type="figureTotal" number="41"></count><count type="tableTotal" number="2"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="223"></count><count type="wordTotal" number="54362"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Comparative osteology and phylogenetic systematics of fossil and living bony‐tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)</title><title type="shortAuthors">E. J. HILTON</title><title type="short">OSTEOGLOSSOMORPH FISHES</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1" corresponding="yes"><personName><givenNames>ERIC J.</givenNames><familyName>HILTON</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="US"><unparsedAffiliation><i>Graduate Program in Organismic and Evolutionary Biology, University of Massachusetts, Amherst, MA 01003, USA </i></unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">Gymnarchidae</keyword><keyword xml:id="k2">Hiodontidae</keyword><keyword xml:id="k3">Heterotinae</keyword><keyword xml:id="k4">†Lycopteridae</keyword><keyword xml:id="k5">Mormyridae</keyword><keyword xml:id="k6">Notopteridae</keyword><keyword xml:id="k7">Osteoglossidae</keyword><keyword xml:id="k8">Osteoglossinae</keyword><keyword xml:id="k9"><i>Pantodon </i></keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p>Several recent studies using analyses of morphological characters have addressed the interrelationships of Osteoglossomorpha, a group that sometimes is considered the living sister group of all other living teleosts. Many characters used in these studies were found to be poorly defined, to be coded incorrectly or illogically, or to display more variation than was described. The goal of this study is to address these concerns and contribute generally to knowledge of the morphology and systematic relationships of osteoglossomorphs. Analysis of 72 characters (65 informative) scored for 20 genera resulted in two most parsimonious cladograms (171 steps, CI = 0.6433, CI = 0.6139 excluding uninformative characters, HI = 0.3977, HI = 0.3861 excluding uninformative characters; RI = 0.7782; RC = 0.5006). Osteoglossomorpha is supported by both synapomorphies and homoplasies, although its monophyly was not truly tested in this analysis (only a single outgroup, <i>Elops </i>, was included in the analysis). The only difference in the topologies of these cladograms is in the position of †<i>Lycoptera </i> (recovered as either the sister group of all other osteoglossomorphs sampled or of †<i>Eohiodon </i>+<i>Hiodon </i>). †<i>Ostariostoma </i> is recovered as the sister group of all non‐hiodontiform osteoglossomorphs. Mormyrids are the sister group of notopterids + osteoglossids. This clade has not been found in other recent analyses. Mormyrids and notopterids usually are considered more closely related to each other than to any other group; characters not included here support this relationship and future consideration of these characters must be made. Although almost completely dichotomous, many nodes of the resulting trees lack rigorous support. For example, †<i>Palaeonotopterus </i> is interpreted as the sister group of all mormyrids sampled, although for this taxon only 22% of characters could be scored. © 2003 The Linnean Society of London. <i>Zoological Journal of the Linnean Society </i>, 2003, <b>137</b>, 1−100.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Comparative osteology and phylogenetic systematics of fossil and living bony‐tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>OSTEOGLOSSOMORPH FISHES</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Comparative osteology and phylogenetic systematics of fossil and living bony‐tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)</title></titleInfo><name type="personal"><namePart type="given">ERIC J.</namePart><namePart type="family">HILTON</namePart><affiliation>Graduate Program in Organismic and Evolutionary Biology, University of Massachusetts, Amherst, MA 01003, USA</affiliation><affiliation>E-mail: ehilton@fieldmuseum.org</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Science Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2003-01</dateIssued><edition>Received May 2002 accepted for publication May 2002</edition><copyrightDate encoding="w3cdtf">2003</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">41</extent><extent unit="tables">2</extent><extent unit="references">223</extent><extent unit="words">54362</extent></physicalDescription><abstract>Several recent studies using analyses of morphological characters have addressed the interrelationships of Osteoglossomorpha, a group that sometimes is considered the living sister group of all other living teleosts. Many characters used in these studies were found to be poorly defined, to be coded incorrectly or illogically, or to display more variation than was described. The goal of this study is to address these concerns and contribute generally to knowledge of the morphology and systematic relationships of osteoglossomorphs. Analysis of 72 characters (65 informative) scored for 20 genera resulted in two most parsimonious cladograms (171 steps, CI = 0.6433, CI = 0.6139 excluding uninformative characters, HI = 0.3977, HI = 0.3861 excluding uninformative characters; RI = 0.7782; RC = 0.5006). Osteoglossomorpha is supported by both synapomorphies and homoplasies, although its monophyly was not truly tested in this analysis (only a single outgroup, Elops , was included in the analysis). The only difference in the topologies of these cladograms is in the position of †Lycoptera (recovered as either the sister group of all other osteoglossomorphs sampled or of †Eohiodon +Hiodon ). †Ostariostoma is recovered as the sister group of all non‐hiodontiform osteoglossomorphs. Mormyrids are the sister group of notopterids + osteoglossids. This clade has not been found in other recent analyses. Mormyrids and notopterids usually are considered more closely related to each other than to any other group; characters not included here support this relationship and future consideration of these characters must be made. Although almost completely dichotomous, many nodes of the resulting trees lack rigorous support. For example, †Palaeonotopterus is interpreted as the sister group of all mormyrids sampled, although for this taxon only 22% of characters could be scored. © 2003 The Linnean Society of London. Zoological Journal of the Linnean Society , 2003, 137, 1−100.</abstract><subject lang="en"><genre>keywords</genre><topic>Gymnarchidae</topic><topic>Hiodontidae</topic><topic>Heterotinae</topic><topic>†Lycopteridae</topic><topic>Mormyridae</topic><topic>Notopteridae</topic><topic>Osteoglossidae</topic><topic>Osteoglossinae</topic><topic>Pantodon</topic></subject><relatedItem type="host"><titleInfo><title>Zoological Journal of the Linnean Society</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0024-4082</identifier><identifier type="eISSN">1096-3642</identifier><identifier type="DOI">10.1111/(ISSN)1096-3642</identifier><identifier type="PublisherID">ZOJ</identifier><part><date>2003</date><detail type="volume"><caption>vol.</caption><number>137</number></detail><detail type="issue"><caption>no.</caption><number>1</number></detail><extent unit="pages"><start>1</start><end>100</end><total>100</total></extent></part></relatedItem><identifier type="istex">42D7322E6B884B89F1DFCFB0AF2EE26B6357D4FB</identifier><identifier type="DOI">10.1046/j.1096-3642.2003.00032.x</identifier><identifier type="ArticleID">ZOJ032</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Science Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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