515 lines
56 KiB
XML
515 lines
56 KiB
XML
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<mods:title id="E8AEB895320CE0B1ADBBCBDCE9AB53D4">Review of the African catfish genus Andersonia (Teleostei: Siluriformes)</mods:title>
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<mods:date id="BD4D610CD768AB0ECCB4EC1EEBF799EB">2012</mods:date>
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<treatment id="03EA330AFFA4420E949057CFFA94FB06" ID-DOI="http://doi.org/10.5281/zenodo.5628745" ID-GBIF-Taxon="119509623" ID-Zenodo-Dep="5628745" LSID="urn:lsid:plazi:treatment:03EA330AFFA4420E949057CFFA94FB06" httpUri="http://treatment.plazi.org/id/03EA330AFFA4420E949057CFFA94FB06" lastPageId="3" lastPageNumber="42" pageId="1" pageNumber="40">
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<subSubSection id="C359D197FFA4420C949057CFFE49FBED" box="[151,497,1010,1036]" pageId="1" pageNumber="40" type="nomenclature">
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<paragraph id="8BFC821CFFA4420C949057CFFE49FBED" blockId="1.[151,497,1010,1036]" box="[151,497,1010,1036]" pageId="1" pageNumber="40">
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<taxonomicName id="4C43F99FFFA4420C949057CFFE49FBED" ID-CoL="VPT" ID-ENA="210575" authority="Boulenger, 1900" authorityName="Boulenger" authorityYear="1900" box="[151,497,1010,1036]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C949057CFFE49FBED" bold="true" box="[151,497,1010,1036]" pageId="1" pageNumber="40">
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<emphasis id="B9375E0EFFA4420C949057CFFE9BFBED" bold="true" box="[151,291,1010,1036]" italics="true" pageId="1" pageNumber="40">Andersonia</emphasis>
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<bibRefCitation id="EFD2FFEDFFA4420C952D57CFFE49FBED" author="Boulenger" box="[298,497,1010,1036]" pageId="1" pageNumber="40" refString="Boulenger, G. A. (1900) On some little-known African silurid fishes of the subfamily Doradinae. Annals and Magazine of Natural History (Ser. 7), 6, 520 - 529." type="journal article" year="1900">Boulenger, 1900</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C359D197FFA4420C94905004FAA7FB8F" pageId="1" pageNumber="40" type="reference_group">
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<paragraph id="8BFC821CFFA4420C94905004FAA7FB8F" blockId="1.[151,1378,1081,1134]" pageId="1" pageNumber="40">
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<treatmentCitationGroup id="AB53A532FFA4420C94905004FAA7FB8F" pageId="1" pageNumber="40">
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<taxonomicName id="4C43F99FFFA4420C94905004FE55FBAE" ID-CoL="VPT" authority="Boulenger, 1900: 528" authorityName="Boulenger" authorityPageNumber="528" authorityYear="1900" box="[151,493,1081,1103]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C94905004FEB4FBAE" box="[151,268,1081,1103]" italics="true" pageId="1" pageNumber="40">Andersonia</emphasis>
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<treatmentCitation id="0AE2A40DFFA4420C95155004FE55FBAE" author="Boulenger" box="[274,493,1081,1103]" page="528" pageId="1" pageNumber="40" year="1900">
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<bibRefCitation id="EFD2FFEDFFA4420C95155004FE05FBAE" author="Boulenger" box="[274,445,1081,1103]" pageId="1" pageNumber="40" refString="Boulenger, G. A. (1900) On some little-known African silurid fishes of the subfamily Doradinae. Annals and Magazine of Natural History (Ser. 7), 6, 520 - 529." type="journal article" year="1900">Boulenger, 1900</bibRefCitation>
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: 528
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</treatmentCitation>
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</taxonomicName>
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[
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<typeStatus id="54F83CBEFFA4420C95FE5007FD96FBAE" box="[505,558,1082,1103]" pageId="1" pageNumber="40">Type</typeStatus>
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species:
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<taxonomicName id="4C43F99FFFA4420C968C5004FC47FBAE" ID-CoL="DQ5L" authority="Boulenger, 1900" authorityName="Boulenger" authorityYear="1900" box="[651,1023,1081,1103]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="species" species="leptura">
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<emphasis id="B9375E0EFFA4420C968C5004FCF7FBAE" box="[651,847,1081,1103]" italics="true" pageId="1" pageNumber="40">Andersonia leptura</emphasis>
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<bibRefCitation id="EFD2FFEDFFA4420C97525004FC47FBAE" author="Boulenger" box="[853,1023,1081,1103]" pageId="1" pageNumber="40" refString="Boulenger, G. A. (1900) On some little-known African silurid fishes of the subfamily Doradinae. Annals and Magazine of Natural History (Ser. 7), 6, 520 - 529." type="journal article" year="1900">Boulenger, 1900</bibRefCitation>
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</taxonomicName>
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, by monotypy. Gender: Feminine].
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<taxonomicName id="4C43F99FFFA4420C94905065FE0AFB8C" authority="Werner, 1906a: 327" authorityName="Werner" authorityPageNumber="327" authorityYear="1906" box="[151,434,1112,1134]" family="Amphiliidae" genus="Slatinia" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C94905065FF5EFB8F" box="[151,230,1112,1134]" italics="true" pageId="1" pageNumber="40">Slatinia</emphasis>
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<treatmentCitation id="0AE2A40DFFA4420C94EB5064FE0AFB8C" author="Werner" box="[236,434,1112,1134]" page="327" pageId="1" pageNumber="40" year="1906">
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<bibRefCitation id="EFD2FFEDFFA4420C94EB5064FE3BFB8F" author="Werner" box="[236,387,1112,1134]" pageId="1" pageNumber="40" refString="Werner, F. (1906 a) Ergebnisse der mit Subvention aus der Erbschaft Treitl unternommenen zoologischen Forschungsreise Dr. Franz Werner's in den agyptischen Sudan und nach Nord-Uganda. V. - Beitrage zur kenntnis der Fischfauna des Nils. Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch- Naturwissenschaftlichen Classe, 43, 325 - 327, pls. 1 - 4." type="journal article" year="1906" yearSuffix="a">Werner, 1906a</bibRefCitation>
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: 327
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</treatmentCitation>
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</taxonomicName>
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[
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<typeStatus id="54F83CBEFFA4420C95B85064FE4CFB8F" box="[447,500,1113,1134]" pageId="1" pageNumber="40">Type</typeStatus>
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species:
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<taxonomicName id="4C43F99FFFA4420C96575065FC04FB8F" authority="Werner, 1906" authorityName="Werner" authorityYear="1906" box="[592,956,1112,1134]" family="Amphiliidae" genus="Slatinia" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="species" species="mongallensis">
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<emphasis id="B9375E0EFFA4420C96575065FC92FB8F" box="[592,810,1112,1134]" italics="true" pageId="1" pageNumber="40">Slatinia mongallensis</emphasis>
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Werner, 1906
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</taxonomicName>
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, by monotypy. Gender: Feminine].
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C359D197FFA4420E949050A7FC16FBD5" lastPageId="3" lastPageNumber="42" pageId="1" pageNumber="40" type="diagnosis">
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<paragraph id="8BFC821CFFA4420C949050A7FC54FAFF" blockId="1.[151,1437,1178,2030]" pageId="1" pageNumber="40">
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<emphasis id="B9375E0EFFA4420C949050A7FEA9FB53" bold="true" box="[151,273,1178,1203]" pageId="1" pageNumber="40">Diagnosis.</emphasis>
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<taxonomicName id="4C43F99FFFA4420C951D50A6FE23FB52" box="[282,411,1179,1203]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C951D50A6FE23FB52" box="[282,411,1179,1203]" italics="true" pageId="1" pageNumber="40">Andersonia</emphasis>
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</taxonomicName>
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is a member of the
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<taxonomicName id="4C43F99FFFA4420C968050A7FCB0FB53" box="[647,776,1178,1202]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="subFamily" subFamily="Doumeinae">Doumeinae</taxonomicName>
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distinguished by the following combination of externally visible characters. The dorsal, pectoral and adipose fins each have a distinct spine anteriorly. A series of bony scutes cover the body posterior of the dorsal-fin origin. The lateral abdominal surface is not covered with superficial scutes. The scapulo-coracoid and clavicle lack superficial rugose plates.
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</paragraph>
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<paragraph id="8BFC821CFFA4420C94C05117FF53FA6B" blockId="1.[151,1437,1178,2030]" pageId="1" pageNumber="40">
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<bibRefCitation id="EFD2FFEDFFA4420C94C05117FE24FAA3" author="Diogo" box="[199,412,1322,1346]" pageId="1" pageNumber="40" refString="Diogo, R. (2003) Anatomy, phylogeny, and taxonomy of Amphiliidae. In: Arratia, G., Kapoor, B. G., Chardon, M. & Diogo, R. (Eds.), Catfishes. Science Publishers, Enfield, NH. pp. 401 - 438." type="book chapter" year="2003">Diogo (2003: 432)</bibRefCitation>
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further diagnosed
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<taxonomicName id="4C43F99FFFA4420C96725116FD4EFAA2" box="[629,758,1323,1347]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C96725116FD4EFAA2" box="[629,758,1323,1347]" italics="true" pageId="1" pageNumber="40">Andersonia</emphasis>
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</taxonomicName>
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by having a highly developed basioccipital that was larger than the prootic and a bony tube that extends transversely across the Weberian complex and attaches to the parapophyses.
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</paragraph>
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<paragraph id="8BFC821CFFA4420C94C051AAFE92F912" blockId="1.[151,1437,1178,2030]" pageId="1" pageNumber="40">
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Among the listed characters, the presence of spines on the dorsal and pectoral fins, and the absence of superficial scutes on lateral abdominal surface, scapulo-coracoid and clavicle are primitive states for the
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<taxonomicName id="4C43F99FFFA4420C90E95187FACBFA33" box="[1262,1395,1466,1490]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="subFamily" subFamily="Doumeinae">Doumeinae</taxonomicName>
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. Of the derived characters that have been proposed to diagnose
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<taxonomicName id="4C43F99FFFA4420C973B51E3FC05FA17" box="[828,957,1502,1526]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C973B51E3FC05FA17" box="[828,957,1502,1526]" italics="true" pageId="1" pageNumber="40">Andersonia</emphasis>
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</taxonomicName>
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, only the large basioccipital appears to be unique to the genus within the
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<taxonomicName id="4C43F99FFFA4420C95F2523FFD3DF9FB" box="[501,645,1538,1562]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="family">Amphiliidae</taxonomicName>
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. Dorsolateral and ventrolateral extensions of the vertebrae that extend to the body surface and in many genera expand over the body surface as scutes that cover the posterior portion of the body are also found in
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<emphasis id="B9375E0EFFA4420C95C15276FC52F982" box="[454,1002,1611,1635]" italics="true" pageId="1" pageNumber="40">
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<taxonomicName id="4C43F99FFFA4420C95C15276FDE4F982" box="[454,604,1611,1635]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">Belonoglanis</taxonomicName>
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,
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<taxonomicName id="4C43F99FFFA4420C966F5271FD72F982" box="[616,714,1612,1635]" class="Actinopterygii" family="Amphiliidae" genus="Doumea" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">Doumea</taxonomicName>
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,
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<taxonomicName id="4C43F99FFFA4420C96D15276FCF4F982" box="[726,844,1611,1635]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">Phractura</taxonomicName>
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,
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<taxonomicName id="4C43F99FFFA4420C975F5276FC52F982" box="[856,1002,1611,1635]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">Trachyglanis</taxonomicName>
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</emphasis>
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and appear to diagnose a clade within the
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<taxonomicName id="4C43F99FFFA4420C94C65253FEFAF967" box="[193,322,1646,1670]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="subFamily" subFamily="Doumeinae">Doumeinae</taxonomicName>
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consisting of all genera in the subfamily except
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<taxonomicName id="4C43F99FFFA4420C976E5253FB4BF967" authority="Ferraris et al., 2011" authorityName="Ferraris et al." authorityYear="2011" box="[873,1267,1646,1671]" class="Actinopterygii" family="Amphiliidae" genus="Congoglanis" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C976E5253FC41F967" box="[873,1017,1646,1670]" italics="true" pageId="1" pageNumber="40">Congoglanis</emphasis>
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(
|
||
<bibRefCitation id="EFD2FFEDFFA4420C90005253FB53F967" author="Ferraris" box="[1031,1259,1646,1671]" pageId="1" pageNumber="40" refString="Ferraris, C. J., Jr., Vari, R. P. & Skelton, P. H. (2011) A new genus of African loach catfish (Siluriformes, Amphiliidae) from the Congo River basin, the sister-group to all other genera of the Doumeinae, with the description of two new species. Copeia, 2011, 477 - 489." type="journal article" year="2011">
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||
Ferraris
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<emphasis id="B9375E0EFFA4420C906F524DFB19F967" box="[1128,1185,1646,1671]" italics="true" pageId="1" pageNumber="40">et al.</emphasis>
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||
, 2011
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||
</bibRefCitation>
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||
)
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||
</taxonomicName>
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||
. A spine at the origin of the adipose fin is also found in
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<taxonomicName id="4C43F99FFFA4420C967352AEFC14F94B" authority="Harry, 1953" authorityName="Harry" authorityYear="1953" box="[628,940,1682,1707]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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||
<emphasis id="B9375E0EFFA4420C967352AEFCBEF94A" box="[628,774,1683,1707]" italics="true" pageId="1" pageNumber="40">Trachyglanis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFD2FFEDFFA4420C971052AFFC1BF94B" author="Harry" box="[791,931,1682,1706]" pageId="1" pageNumber="40" refString="Harry, R. R. (1953) A contribution to the classification of the African catfishes of the family Amphiliidae, with description of collections from Cameroon. Revue de Zoologie et de Botanique Africaines, 47, 177 - 232." type="journal article" year="1953">Harry, 1953</bibRefCitation>
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)
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</taxonomicName>
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, and a transverse tube across the Weberian complex occurs in the genera
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<taxonomicName id="4C43F99FFFA4420C95EE528BFDD5F92F" box="[489,621,1718,1742]" class="Actinopterygii" family="Amphiliidae" genus="Leptoglanis" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
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<emphasis id="B9375E0EFFA4420C95EE528BFDD5F92F" box="[489,621,1718,1742]" italics="true" pageId="1" pageNumber="40">Leptoglanis</emphasis>
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</taxonomicName>
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and
|
||
<taxonomicName id="4C43F99FFFA4420C96A2528BFC6FF92F" authority="Diogo, 2003" authorityName="Diogo" authorityYear="2003" box="[677,983,1718,1742]" class="Actinopterygii" family="Amphiliidae" genus="Zaireichthys" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA4420C96A2528BFC88F92F" box="[677,816,1718,1742]" italics="true" pageId="1" pageNumber="40">Zaireichthys</emphasis>
|
||
(
|
||
<bibRefCitation id="EFD2FFEDFFA4420C9738528BFC68F92F" author="Diogo" box="[831,976,1718,1742]" pageId="1" pageNumber="40" refString="Diogo, R. (2003) Anatomy, phylogeny, and taxonomy of Amphiliidae. In: Arratia, G., Kapoor, B. G., Chardon, M. & Diogo, R. (Eds.), Catfishes. Science Publishers, Enfield, NH. pp. 401 - 438." type="book chapter" year="2003">Diogo, 2003</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
of the subfamily
|
||
<taxonomicName id="4C43F99FFFA4420C9098528BFAEDF92F" box="[1183,1365,1718,1742]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="subFamily" subFamily="Leptoglanidinae">Leptoglanidinae</taxonomicName>
|
||
in the
|
||
<taxonomicName id="4C43F99FFFA4420C949052E7FE9BF913" box="[151,291,1754,1778]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="family">Amphiliidae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA4420C94C052C2FEF8F8DB" blockId="1.[151,1437,1178,2030]" pageId="1" pageNumber="40">
|
||
<emphasis id="B9375E0EFFA4420C94C052C2FE2AF8F6" bold="true" box="[199,402,1790,1815]" pageId="1" pageNumber="40">Included species.</emphasis>
|
||
Based on the evidence summarized below, we recognize only a single species in
|
||
<taxonomicName id="4C43F99FFFA4420C913252C3FF03F8DA" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA4420C913252C3FF03F8DA" italics="true" pageId="1" pageNumber="40">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C43F99FFFA4420C94CE531EFE81F8DA" box="[201,313,1827,1851]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="species" species="leptura">
|
||
<emphasis id="B9375E0EFFA4420C94CE531EFE81F8DA" box="[201,313,1827,1851]" italics="true" pageId="1" pageNumber="40">A. leptura</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA4420F94C0537AFAF8FE85" blockId="1.[151,1437,1178,2030]" lastBlockId="2.[151,1436,151,356]" lastPageId="2" lastPageNumber="41" pageId="1" pageNumber="40">
|
||
<emphasis id="B9375E0EFFA4420C94C0537AFDEFF8BE" bold="true" box="[199,599,1862,1887]" pageId="1" pageNumber="40">
|
||
Number of species in
|
||
<emphasis id="B9375E0EFFA4420C95CC537BFDEFF8BE" bold="true" box="[459,599,1862,1887]" italics="true" pageId="1" pageNumber="40">
|
||
<taxonomicName id="4C43F99FFFA4420C95CC537BFDECF8BE" box="[459,596,1862,1887]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="genus">Andersonia</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</emphasis>
|
||
<bibRefCitation id="EFD2FFEDFFA4420C9658537BFC9EF8BF" author="Boulenger" box="[607,806,1862,1886]" pageId="1" pageNumber="40" refString="Boulenger, G. A. (1918) On some fishes from the Shari River, with descriptions of two new species. Annals and Magazine of Natural History (Ser. 9), 2, 426 - 427." type="journal article" year="1918">Boulenger (1918)</bibRefCitation>
|
||
distinguished
|
||
<taxonomicName id="4C43F99FFFA4420C97CC537BFB79F8BF" box="[971,1217,1862,1886]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="species" species="pellegrini">
|
||
<emphasis id="B9375E0EFFA4420C97CC537BFB79F8BF" box="[971,1217,1862,1886]" italics="true" pageId="1" pageNumber="40">Andersonia pellegrini</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<taxonomicName id="4C43F99FFFA4420C9100537BFAC0F8BF" box="[1287,1400,1862,1886]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="40" phylum="Chordata" rank="species" species="leptura">
|
||
<emphasis id="B9375E0EFFA4420C9100537BFAC0F8BF" box="[1287,1400,1862,1886]" italics="true" pageId="1" pageNumber="40">A. leptura</emphasis>
|
||
</taxonomicName>
|
||
by differences in the size of the eye and shape and length of the supraoccipital process. These purported differences were based on examination of a single specimen of each nominal species. In their analysis of a sample of the genus from the
|
||
<collectingCountry id="F354C28CFFA4420C9506538FFE84F82B" box="[257,316,1970,1994]" name="Chad" pageId="1" pageNumber="40">Chad</collectingCountry>
|
||
system,
|
||
<bibRefCitation id="EFD2FFEDFFA4420C95A5538FFD3CF82B" box="[418,644,1970,1995]" pageId="1" pageNumber="40" refString="Blache, J., Miton, F., Stauch, A., Iltis, A. & Loubens, G. (1964) Les poissons du bassin du Tchad et du bassin adjacent du Mayo Kebbi. Etude systematique et biologique. Memoires ORSTOM, no. 4, 1 - 483." type="journal article">
|
||
Blache
|
||
<emphasis id="B9375E0EFFA4420C95FF5389FD8AF82A" box="[504,562,1971,1995]" italics="true" pageId="1" pageNumber="40">et al.</emphasis>
|
||
(1964)
|
||
</bibRefCitation>
|
||
found that the range in orbital sizes overlapped the difference in that feature originally cited by Boulenger to differentiate the species. Our broader geographic comparison confirms that the orbital size does not serve to delimit the nominal forms. Similarly the variation in the shape of the length of the supraoccipital process forms a continuum between populations in the
|
||
<collectingCountry id="F354C28CFFA7420F97AD5481FC50FF35" box="[938,1000,188,212]" name="Chad" pageId="2" pageNumber="41">Chad</collectingCountry>
|
||
,
|
||
<collectingCountry id="F354C28CFFA7420F97F35481FB8EFF35" box="[1012,1078,188,212]" name="Niger" pageId="2" pageNumber="41">Niger</collectingCountry>
|
||
, Nile and Omo-Turkana basins. Direct comparisons of available samples of
|
||
<taxonomicName id="4C43F99FFFA7420F968754DDFCB9FF19" box="[640,769,224,248]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="41" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA7420F968754DDFCB9FF19" box="[640,769,224,248]" italics="true" pageId="2" pageNumber="41">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
from the four basins they inhabit revealed no differences in body shape or pigmentation pattern. A comparison of metric features readily amenable to examination similarly failed to reveal any between population differences (
|
||
<tableCitation id="C6C1B7A7FFA7420F96E1551AFC82FEDE" box="[742,826,295,319]" captionStart="TABLE 1" captionStartId="2.[151,235,404,425]" captionTargetBox="[151,1436,586,939]" captionTargetPageId="2" captionText="TABLE 1. Andersonia leptura meristics arranged by drainage basins of occurrence. Data on Nile River specimens reported in Golubtsov and Dzerzhinskii (2003) in brackets, with the following notes: fin-ray counts did not note whether the last ray was branched and unbranched; plate counts were reported in a different fashion, but generally agreed with our results; vertebrae and rib counts were not reported." httpUri="http://table.plazi.org/id/DF3CD294FFA7420F949055A9FE03FDE7" pageId="2" pageNumber="41" tableUuid="DF3CD294FFA7420F949055A9FE03FDE7">Table 1</tableCitation>
|
||
). As such, all populations are treated here as part of a single species.
|
||
<taxonomicName id="4C43F99FFFA7420F95385571FE08FE85" box="[319,432,332,356]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="41" phylum="Chordata" rank="species" species="leptura">
|
||
<emphasis id="B9375E0EFFA7420F95385571FE08FE85" box="[319,432,332,356]" italics="true" pageId="2" pageNumber="41">A. leptura</emphasis>
|
||
</taxonomicName>
|
||
that is widely distributed across the Nile, Omo-Turkana,
|
||
<collectingCountry id="F354C28CFFA7420F90345571FBC9FE85" box="[1075,1137,332,356]" name="Chad" pageId="2" pageNumber="41">Chad</collectingCountry>
|
||
, and
|
||
<collectingCountry id="F354C28CFFA7420F90AC5571FB53FE85" box="[1195,1259,332,356]" name="Niger" pageId="2" pageNumber="41">Niger</collectingCountry>
|
||
basins.
|
||
</paragraph>
|
||
<caption id="DF3CD294FFA7420F949055A9FE03FDE7" ID-Table-UUID="DF3CD294FFA7420F949055A9FE03FDE7" httpUri="http://table.plazi.org/id/DF3CD294FFA7420F949055A9FE03FDE7" pageId="2" pageNumber="41" targetBox="[151,1436,586,939]" targetIsTable="true" targetPageId="2">
|
||
<paragraph id="8BFC821CFFA7420F949055A9FE03FDE7" blockId="2.[151,1436,403,567]" pageId="2" pageNumber="41">
|
||
<emphasis id="B9375E0EFFA7420F949055A9FEBDFE48" bold="true" box="[151,261,404,425]" pageId="2" pageNumber="41">TABLE 1.</emphasis>
|
||
<taxonomicName id="4C43F99FFFA7420F950C55A9FE68FE4B" box="[267,464,404,426]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="41" phylum="Chordata" rank="species" species="leptura">
|
||
<emphasis id="B9375E0EFFA7420F950C55A9FE68FE4B" box="[267,464,404,426]" italics="true" pageId="2" pageNumber="41">Andersonia leptura</emphasis>
|
||
</taxonomicName>
|
||
meristics arranged by drainage basins of occurrence. Data on Nile River specimens reported in Golubtsov and Dzerzhinskii (2003) in brackets, with the following notes: fin-ray counts did not note whether the last ray was branched and unbranched; plate counts were reported in a different fashion, but generally agreed with our results; vertebrae and rib counts were not reported.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BFC821CFFA7420F9784561CFB92FB98" blockId="2.[151,1436,403,567]" lastBlockId="2.[159,1262,1000,1228]" pageId="2" pageNumber="41">
|
||
<collectingCountry id="F354C28CFFA7420F9784561CFC05FDD6" box="[899,957,545,567]" name="Niger" pageId="2" pageNumber="41">Niger</collectingCountry>
|
||
Nile
|
||
<collectingCountry id="F354C28CFFA7420F90E6561CFAAEFDD6" box="[1249,1302,545,567]" name="Chad" pageId="2" pageNumber="41">Chad</collectingCountry>
|
||
Anal-fin rays ii,6 1
|
||
<date id="FFFDA4DCFFA7420F90E657D5FD79FBC6" pageId="2" pageNumber="41">1 ii</date>
|
||
,6,
|
||
<date id="FFFDA4DCFFA7420F96DF502CFC28FBC6" box="[728,912,1041,1063]" pageId="2" pageNumber="41">i 2</date>
|
||
5
|
||
<date id="FFFDA4DCFFA7420F90E6502FFD79FBB1" pageId="2" pageNumber="41">4 ii</date>
|
||
,7 1 4 [46]
|
||
<date id="FFFDA4DCFFA7420F90E65007FD79FB98" pageId="2" pageNumber="41">6 ii</date>
|
||
,7,
|
||
<date id="FFFDA4DCFFA7420F96DF505EFB92FB98" box="[728,1066,1123,1145]" pageId="2" pageNumber="41">i 4</date>
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F94985677FB42FC4B" pageId="2" pageNumber="41">
|
||
<table id="F94370BCFFA7BDF294905677FA24FC4A" box="[151,1436,586,939]" gridcols="5" gridrows="3" pageId="2" pageNumber="41">
|
||
<tr id="3573805EFFA7BDF294905677FA24FD3D" box="[151,1436,586,732]" gridrow="0" pageId="2" pageNumber="41">
|
||
<th id="76A2E922FFA7BDF294905677FEFEFD3D" box="[151,326,586,732]" gridcol="0" gridrow="0" pageId="2" pageNumber="41">Dorsal-fin rays</th>
|
||
<th id="76A2E922FFA7BDF296B65677FD61FD3D" box="[689,729,586,732]" gridcol="1" gridrow="0" pageId="2" pageNumber="41">i,5 i,5,i i,6 i,6,i</th>
|
||
<th id="76A2E922FFA7BDF297845677FC28FD3D" box="[899,912,586,732]" gridcol="2" gridrow="0" pageId="2" pageNumber="41">2 3</th>
|
||
<th id="76A2E922FFA7BDF2901A5677FBD0FD3D" box="[1053,1128,586,732]" gridcol="3" gridrow="0" pageId="2" pageNumber="41">1 9 6 [56]</th>
|
||
<th id="76A2E922FFA7BDF290E65677FA24FD3D" box="[1249,1436,586,732]" gridcol="4" gridrow="0" pageId="2" pageNumber="41">12 1</th>
|
||
</tr>
|
||
<tr id="3573805EFFA7BDF294905724FA24FCB9" box="[151,1436,793,856]" gridrow="1" pageId="2" pageNumber="41">
|
||
<th id="76A2E922FFA7BDF294905724FEFEFCB9" box="[151,326,793,856]" gridcol="0" gridrow="1" pageId="2" pageNumber="41">Pectoral-fin rays</th>
|
||
<td id="76A2E922FFA7BDF296B65724FD61FCB9" box="[689,729,793,856]" gridcol="1" gridrow="1" pageId="2" pageNumber="41">i,5,i i,6,i</td>
|
||
<td id="76A2E922FFA7BDF297845724FC28FCB9" box="[899,912,793,856]" gridcol="2" gridrow="1" pageId="2" pageNumber="41">5</td>
|
||
<td id="76A2E922FFA7BDF2901A5724FBD0FCB9" box="[1053,1128,793,856]" gridcol="3" gridrow="1" pageId="2" pageNumber="41">12 [53] 5 [2]</td>
|
||
<td id="76A2E922FFA7BDF290E65724FA24FCB9" box="[1249,1436,793,856]" gridcol="4" gridrow="1" pageId="2" pageNumber="41">11 2</td>
|
||
</tr>
|
||
<tr id="3573805EFFA7BDF2949057A8FA24FC4A" box="[151,1436,917,939]" gridrow="2" pageId="2" pageNumber="41">
|
||
<th id="76A2E922FFA7BDF2949057A8FEFEFC4A" box="[151,326,917,939]" gridcol="0" gridrow="2" pageId="2" pageNumber="41">Pelvic-fin rays</th>
|
||
<td id="76A2E922FFA7BDF296B657A8FD61FC4A" box="[689,729,917,939]" gridcol="1" gridrow="2" pageId="2" pageNumber="41">i,4,i</td>
|
||
<td id="76A2E922FFA7BDF2978457A8FC28FC4A" box="[899,912,917,939]" gridcol="2" gridrow="2" pageId="2" pageNumber="41">5</td>
|
||
<td id="76A2E922FFA7BDF2901A57A8FBD0FC4A" box="[1053,1128,917,939]" gridcol="3" gridrow="2" pageId="2" pageNumber="41">17 [56]</td>
|
||
<td id="76A2E922FFA7BDF290E657A8FA24FC4A" box="[1249,1436,917,939]" gridcol="4" gridrow="2" pageId="2" pageNumber="41">13</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F96B650B0FB56FB2D" blockId="2.[159,1262,1000,1228]" pageId="2" pageNumber="41">
|
||
ii,8 4 [10]
|
||
<date id="FFFDA4DCFFA7420F90E650B3FD7AFB2D" pageId="2" pageNumber="41">1 ii</date>
|
||
,8,
|
||
<date id="FFFDA4DCFFA7420F96DF508BFC28FB2D" box="[728,912,1206,1228]" pageId="2" pageNumber="41">i 1</date>
|
||
1
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F94985134FBF6FAFE" blockId="2.[159,1261,1289,1435]" box="[159,1102,1289,1311]" pageId="2" pageNumber="41">
|
||
Caudal-fin rays i,5,5,
|
||
<date id="FFFDA4DCFFA7420F96E35134FB92FAFE" box="[740,1066,1289,1311]" pageId="2" pageNumber="41">i 2</date>
|
||
[1]
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F96B6510FFBF5FAA9" blockId="2.[159,1261,1289,1435]" box="[689,1101,1330,1352]" pageId="2" pageNumber="41">
|
||
i,5,6,
|
||
<date id="FFFDA4DCFFA7420F96E3510FFC28FAA9" box="[740,912,1330,1352]" pageId="2" pageNumber="41">i 3</date>
|
||
3 [5]
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F96B65166FB55FA7A" blockId="2.[159,1261,1289,1435]" pageId="2" pageNumber="41">
|
||
i,6,5,
|
||
<date id="FFFDA4DCFFA7420F96E35166FC37FA90" box="[740,911,1371,1393]" pageId="2" pageNumber="41">i 1</date>
|
||
2
|
||
<date id="FFFDA4DCFFA7420F90E65160FD00FA7A" pageId="2" pageNumber="41">7 i</date>
|
||
,6,6,
|
||
<date id="FFFDA4DCFFA7420F96E351B8FB8EFA7A" box="[740,1078,1413,1435]" pageId="2" pageNumber="41" value="2010-01-01">i 1 10</date>
|
||
[36] 6
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F949851E5FB92F9F6" blockId="2.[159,1262,1496,1724]" pageId="2" pageNumber="41">
|
||
Plates 23/
|
||
<date id="FFFDA4DCFFA7420F96D651E5FB92FA0C" box="[721,1066,1496,1517]" pageId="2" pageNumber="41" value="1922-02-01">22 1 2</date>
|
||
1 (dorsolateral/ventrolateral) 23/23 1
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F96B65216FB55F95D" blockId="2.[159,1262,1496,1724]" pageId="2" pageNumber="41">
|
||
24/
|
||
<date id="FFFDA4DCFFA7420F96D55216FB91F9A1" box="[722,1065,1579,1600]" pageId="2" pageNumber="41" value="1923-08-01">23 1 8</date>
|
||
7 24/
|
||
<date id="FFFDA4DCFFA7420F96D55269FB55F988" box="[722,1261,1619,1641]" pageId="2" pageNumber="41" value="1924-01-05">24 5 1</date>
|
||
25/
|
||
<date id="FFFDA4DCFFA7420F96D65240FB91F972" box="[721,1065,1661,1683]" pageId="2" pageNumber="41" value="1924-01-03">24 3 1</date>
|
||
3 26/
|
||
<date id="FFFDA4DCFFA7420F96D5529BFB55F95D" box="[722,1261,1702,1724]" pageId="2" pageNumber="41" value="1925-01-01">25 1 1</date>
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F949852C4FB56F880" blockId="2.[159,1274,1785,1890]" pageId="2" pageNumber="41">
|
||
Vertebrae
|
||
<date id="FFFDA4DCFFA7420F96B652C7FB56F8EE" box="[689,1262,1786,1807]" pageId="2" pageNumber="41" value="1934-02-01">34 1 2</date>
|
||
(including Weberian centra
|
||
<date id="FFFDA4DCFFA7420F96B6531FFB8FF8D9" box="[689,1079,1826,1848]" pageId="2" pageNumber="41" value="1935-05-13">35 5 13</date>
|
||
15 and 1 ural centrum) 36 1
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F949853A3FB42F855" blockId="2.[159,1274,1950,2014]" box="[159,1274,1950,1972]" pageId="2" pageNumber="41">
|
||
Ribs
|
||
<date id="FFFDA4DCFFA7420F96B653A2FB8FF855" box="[689,1079,1950,1972]" pageId="2" pageNumber="41" value="1912-05-04">4 5 12</date>
|
||
18
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA7420F96B653F5FB92F83C" blockId="2.[159,1274,1950,2014]" box="[689,1066,1992,2014]" pageId="2" pageNumber="41">5 2</paragraph>
|
||
<paragraph id="8BFC821CFFA6420E94CE54AAFE67FD11" blockId="3.[151,1437,151,1255]" pageId="3" pageNumber="42">
|
||
<emphasis id="B9375E0EFFA6420E94CE54AAFE69FF4E" bold="true" box="[201,465,151,176]" pageId="3" pageNumber="42">Phylogenetic position.</emphasis>
|
||
Although
|
||
<bibRefCitation id="EFD2FFEDFFA6420E964854AAFCA0FF4E" author="Boulenger" box="[591,792,151,175]" pageId="3" pageNumber="42" refString="Boulenger, G. A. (1900) On some little-known African silurid fishes of the subfamily Doradinae. Annals and Magazine of Natural History (Ser. 7), 6, 520 - 529." type="journal article" year="1900">Boulenger (1900)</bibRefCitation>
|
||
initially considered
|
||
<taxonomicName id="4C43F99FFFA6420E900054A5FB30FF51" box="[1031,1160,152,176]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E900054A5FB30FF51" box="[1031,1160,152,176]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
to be closely related to
|
||
<taxonomicName id="4C43F99FFFA6420E94905481FE67FF35" authority="He et al. (1999)" authorityName="He et al." authorityYear="1999" box="[151,479,188,212]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E94905481FEB2FF35" box="[151,266,188,212]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
,
|
||
<bibRefCitation id="EFD2FFEDFFA6420E951A5480FE67FF35" box="[285,479,188,212]" pageId="3" pageNumber="42" refString="He, S. - P., Gayet, M. & Meunier, F. J. (1999) Phylogeny of the Amphiliidae (Teleostei: Siluriformes). Annales des Sciences Naturelles. Zoologie et Biologie Animale (Series 13), 20, 117 - 146." type="journal article">
|
||
He
|
||
<emphasis id="B9375E0EFFA6420E954D5480FE30FF35" box="[330,392,188,212]" italics="true" pageId="3" pageNumber="42">et al.</emphasis>
|
||
(1999)
|
||
</bibRefCitation>
|
||
</taxonomicName>
|
||
recovered
|
||
<taxonomicName id="4C43F99FFFA6420E96615481FD5FFF35" box="[614,743,188,212]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E96615481FD5FFF35" box="[614,743,188,212]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
as the sister group of a clade consisting of
|
||
<emphasis id="B9375E0EFFA6420E91065481FECEFF19" italics="true" pageId="3" pageNumber="42">
|
||
<taxonomicName id="4C43F99FFFA6420E91065481FA20FF35" box="[1281,1432,188,212]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">Belonoglanis</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C43F99FFFA6420E949054DCFF41FF19" box="[151,249,225,248]" class="Actinopterygii" family="Amphiliidae" genus="Doumea" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">Doumea</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C43F99FFFA6420E950454DDFECEFF19" box="[259,374,224,248]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">Phractura</taxonomicName>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C43F99FFFA6420E95AB54DDFD86FF19" box="[428,574,224,248]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E95AB54DDFD86FF19" box="[428,574,224,248]" italics="true" pageId="3" pageNumber="42">Trachyglanis</emphasis>
|
||
</taxonomicName>
|
||
[no species of what is now
|
||
<taxonomicName id="4C43F99FFFA6420E977254DDFBBDFF19" box="[885,1029,224,248]" class="Actinopterygii" family="Amphiliidae" genus="Congoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E977254DDFBBDFF19" box="[885,1029,224,248]" italics="true" pageId="3" pageNumber="42">Congoglanis</emphasis>
|
||
</taxonomicName>
|
||
were included in the study] in a single most-parsimonious tree based on a suite of osteological characters. Conversely, neighbor-joining of the same matrix brought together
|
||
<taxonomicName id="4C43F99FFFA6420E95AB5515FD95FEA1" box="[428,557,296,320]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E95AB5515FD95FEA1" box="[428,557,296,320]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
only with
|
||
<taxonomicName id="4C43F99FFFA6420E96AE5515FC85FEA1" box="[681,829,296,320]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E96AE5515FC85FEA1" box="[681,829,296,320]" italics="true" pageId="3" pageNumber="42">Belonoglanis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C43F99FFFA6420E97715515FBB0FEA1" box="[886,1032,296,320]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E97715515FBB0FEA1" box="[886,1032,296,320]" italics="true" pageId="3" pageNumber="42">Trachyglanis</emphasis>
|
||
</taxonomicName>
|
||
. In a subsequent study that emphasized osteology and myology of the head region,
|
||
<bibRefCitation id="EFD2FFEDFFA6420E96D45571FCD5FE85" author="Diogo" box="[723,877,332,356]" pageId="3" pageNumber="42" refString="Diogo, R. (2003) Anatomy, phylogeny, and taxonomy of Amphiliidae. In: Arratia, G., Kapoor, B. G., Chardon, M. & Diogo, R. (Eds.), Catfishes. Science Publishers, Enfield, NH. pp. 401 - 438." type="book chapter" year="2003">Diogo (2003)</bibRefCitation>
|
||
concluded that
|
||
<taxonomicName id="4C43F99FFFA6420E90205571FB10FE85" box="[1063,1192,332,356]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E90205571FB10FE85" box="[1063,1192,332,356]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
was sister to a clade composed of
|
||
<taxonomicName id="4C43F99FFFA6420E9536554DFE7DFE69" box="[305,453,368,392]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E9536554DFE7DFE69" box="[305,453,368,392]" italics="true" pageId="3" pageNumber="42">Belonoglanis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C43F99FFFA6420E95F8554DFD29FE69" box="[511,657,368,392]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E95F8554DFD29FE69" box="[511,657,368,392]" italics="true" pageId="3" pageNumber="42">Trachyglanis</emphasis>
|
||
</taxonomicName>
|
||
. That hypothesis was based on the shared presence of a well-developed lateral lamina of the parieto-supraoccipital, a well-developed posteromedial process of the scapulo-coracoid, and a greatly reduced and modified posterior ceratohyal.
|
||
<taxonomicName id="4C43F99FFFA6420E971E5585FC15FE31" box="[793,941,440,464]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E971E5585FC15FE31" box="[793,941,440,464]" italics="true" pageId="3" pageNumber="42">Belonoglanis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C43F99FFFA6420E97E45585FBCDFE31" box="[995,1141,440,464]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E97E45585FBCDFE31" box="[995,1141,440,464]" italics="true" pageId="3" pageNumber="42">Trachyglanis</emphasis>
|
||
</taxonomicName>
|
||
exhibit the derived superficial ossifications on the ribs, scapulo-coracoid and clavicle that are absent in
|
||
<taxonomicName id="4C43F99FFFA6420E904F55E1FB71FE15" box="[1096,1225,476,500]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E904F55E1FB71FE15" box="[1096,1225,476,500]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
, which supported Diogo’s hypothesis that those genera were sister taxa. Diogo also proposed a more encompassing clade supported by numerous characters in which
|
||
<taxonomicName id="4C43F99FFFA6420E96155619FD3DFDDD" box="[530,645,548,572]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E96155619FD3DFDDD" box="[530,645,548,572]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
</taxonomicName>
|
||
was the sister group to the clade formed by
|
||
<emphasis id="B9375E0EFFA6420E907E5619FA24FDDD" box="[1145,1436,548,572]" italics="true" pageId="3" pageNumber="42">
|
||
<taxonomicName id="4C43F99FFFA6420E907E5619FB45FDDD" box="[1145,1277,548,572]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">Andersonia</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C43F99FFFA6420E910F5619FA24FDDD" box="[1288,1436,548,572]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">Belonoglanis</taxonomicName>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="4C43F99FFFA6420E94C15675FEE0FD81" box="[198,344,584,608]" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E94C15675FEE0FD81" box="[198,344,584,608]" italics="true" pageId="3" pageNumber="42">Trachyglanis</emphasis>
|
||
</taxonomicName>
|
||
. Problematically, the monophyly of
|
||
<taxonomicName id="4C43F99FFFA6420E96F35675FCDFFD81" box="[756,871,584,608]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E96F35675FCDFFD81" box="[756,871,584,608]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
</taxonomicName>
|
||
in that phylogenetic scheme was supported solely on an unusual two-headed articulation between the hyomandibula and the opercle that was, however, observed in only one specimen of one species of
|
||
<taxonomicName id="4C43F99FFFA6420E963356ADFD1FFD49" box="[564,679,656,680]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E963356ADFD1FFD49" box="[564,679,656,680]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
</taxonomicName>
|
||
(of the 13 species now recognized in the genus). That single observation, together with the lack of any additional reported derived characters in
|
||
<taxonomicName id="4C43F99FFFA6420E97F85689FBCAFD2D" box="[1023,1138,692,716]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E97F85689FBCAFD2D" box="[1023,1138,692,716]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
</taxonomicName>
|
||
, leaves open a question of the monophyly of that genus.
|
||
</paragraph>
|
||
<paragraph id="8BFC821CFFA6420E94C056C1FC16FBD5" blockId="3.[151,1437,151,1255]" pageId="3" pageNumber="42">
|
||
One implication of the uncertainty as to whether
|
||
<taxonomicName id="4C43F99FFFA6420E96F956C1FCC9FCF5" box="[766,881,764,788]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E96F956C1FCC9FCF5" box="[766,881,764,788]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
</taxonomicName>
|
||
represents a natural group is the possibility that
|
||
<taxonomicName id="4C43F99FFFA6420E9490571DFEA0FCD9" box="[151,280,800,824]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E9490571DFEA0FCD9" box="[151,280,800,824]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
might be more closely related to a subset of the species of
|
||
<taxonomicName id="4C43F99FFFA6420E97B5571DFB9DFCD9" box="[946,1061,800,824]" class="Actinopterygii" family="Amphiliidae" genus="Phractura" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E97B5571DFB9DFCD9" box="[946,1061,800,824]" italics="true" pageId="3" pageNumber="42">Phractura</emphasis>
|
||
</taxonomicName>
|
||
than to the remaining congeners. Such an eventuality might require a change in the definition and scope of
|
||
<emphasis id="B9375E0EFFA6420E97ED5779FBCBFCBD" box="[1002,1139,836,860]" italics="true" pageId="3" pageNumber="42">
|
||
<taxonomicName id="4C43F99FFFA6420E97ED5779FBD7FCBD" box="[1002,1135,836,860]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">Andersonia</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
A resolution of that issue requires a comprehensive phylogenetic analysis of the
|
||
<taxonomicName id="4C43F99FFFA6420E9705575AFC3EFC9E" box="[770,902,871,895]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="subFamily" subFamily="Doumeinae">Doumeinae</taxonomicName>
|
||
, which lies beyond the scope of this study and, more significantly, is being undertaken by another researcher. Based on published phylogenetic studies (
|
||
<bibRefCitation id="EFD2FFEDFFA6420E913557B1FF6AFC26" author="He" pageId="3" pageNumber="42" refString="He, S. - P., Gayet, M. & Meunier, F. J. (1999) Phylogeny of the Amphiliidae (Teleostei: Siluriformes). Annales des Sciences Naturelles. Zoologie et Biologie Animale (Series 13), 20, 117 - 146." type="journal article" year="1999">
|
||
He
|
||
<emphasis id="B9375E0EFFA6420E915B57B0FA2DFC45" box="[1372,1429,908,932]" italics="true" pageId="3" pageNumber="42">et al.</emphasis>
|
||
, 1999
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD2FFEDFFA6420E94DA5792FED5FC26" author="Diogo" box="[221,365,943,967]" pageId="3" pageNumber="42" refString="Diogo, R. (2003) Anatomy, phylogeny, and taxonomy of Amphiliidae. In: Arratia, G., Kapoor, B. G., Chardon, M. & Diogo, R. (Eds.), Catfishes. Science Publishers, Enfield, NH. pp. 401 - 438." type="book chapter" year="2003">Diogo, 2003</bibRefCitation>
|
||
),
|
||
<taxonomicName id="4C43F99FFFA6420E9578578DFDE0FC29" box="[383,600,944,968]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="species" species="leptura">
|
||
<emphasis id="B9375E0EFFA6420E9578578DFDE0FC29" box="[383,600,944,968]" italics="true" pageId="3" pageNumber="42">Andersonia leptura</emphasis>
|
||
</taxonomicName>
|
||
fits into a clade within the
|
||
<taxonomicName id="4C43F99FFFA6420E97815792FBBFFC26" box="[902,1031,943,967]" class="Actinopterygii" family="Amphiliidae" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="subFamily" subFamily="Doumeinae">Doumeinae</taxonomicName>
|
||
that includes
|
||
<taxonomicName id="4C43F99FFFA6420E90A5578DFA8EFC29" box="[1186,1334,944,968]" class="Actinopterygii" family="Amphiliidae" genus="Belonoglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E90A5578DFA8EFC29" box="[1186,1334,944,968]" italics="true" pageId="3" pageNumber="42">Belonoglanis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C43F99FFFA6420E916B578CFEBAFC0D" class="Actinopterygii" family="Amphiliidae" genus="Trachyglanis" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E916B578CFEBAFC0D" italics="true" pageId="3" pageNumber="42">Trachyglanis</emphasis>
|
||
</taxonomicName>
|
||
. Furthermore, under present concepts
|
||
<taxonomicName id="4C43F99FFFA6420E96BF57E9FC91FC0D" box="[696,809,980,1004]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="species" species="leptura">
|
||
<emphasis id="B9375E0EFFA6420E96BF57E9FC91FC0D" box="[696,809,980,1004]" italics="true" pageId="3" pageNumber="42">A. leptura</emphasis>
|
||
</taxonomicName>
|
||
cannot be assigned to either of those genera. Thus, the continued recognition of
|
||
<taxonomicName id="4C43F99FFFA6420E95B757C5FD89FBF1" box="[432,561,1016,1040]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E95B757C5FD89FBF1" box="[432,561,1016,1040]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
is required because of current hypotheses of the monophyly of the two related genera and furthermore satisfies the interest of nomenclatural stability.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C359D197FFA6420E94C0507DFA94FB06" pageId="3" pageNumber="42" type="discussion">
|
||
<paragraph id="8BFC821CFFA6420E94C0507DFA94FB06" blockId="3.[151,1437,151,1255]" pageId="3" pageNumber="42">
|
||
<emphasis id="B9375E0EFFA6420E94C0507DFE83FBB9" bold="true" box="[199,315,1088,1112]" pageId="3" pageNumber="42">Remarks.</emphasis>
|
||
<taxonomicName id="4C43F99FFFA6420E9545507DFE7BFBB9" box="[322,451,1088,1112]" class="Actinopterygii" family="Amphiliidae" genus="Andersonia" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="42" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9375E0EFFA6420E9545507DFE7BFBB9" box="[322,451,1088,1112]" italics="true" pageId="3" pageNumber="42">Andersonia</emphasis>
|
||
</taxonomicName>
|
||
was initially reported to lack teeth in the jaws (
|
||
<bibRefCitation id="EFD2FFEDFFA6420E97DA507DFB22FBB9" author="Boulenger" box="[989,1178,1088,1112]" pageId="3" pageNumber="42" refString="Boulenger, G. A. (1900) On some little-known African silurid fishes of the subfamily Doradinae. Annals and Magazine of Natural History (Ser. 7), 6, 520 - 529." type="journal article" year="1900">Boulenger, 1900</bibRefCitation>
|
||
) and that characterization had been repeated by several authors (e.g.,
|
||
<bibRefCitation id="EFD2FFEDFFA6420E96A95058FC8FFB9D" author="Harry" box="[686,823,1124,1149]" pageId="3" pageNumber="42" refString="Harry, R. R. (1953) A contribution to the classification of the African catfishes of the family Amphiliidae, with description of collections from Cameroon. Revue de Zoologie et de Botanique Africaines, 47, 177 - 232." type="journal article" year="1953">Harry, 1953</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD2FFEDFFA6420E97455059FB8DFB9D" author="Poll" box="[834,1077,1124,1148]" pageId="3" pageNumber="42" refString="Poll, M. & Gosse, J. - P. (1995) Genera des poissons d'eau douce de l'Afrique. Memoire de la Classe des Sciences, Academie royale de Belgique Collection in 8 o, troisieme serie, 9, 1 - 324." type="journal article" year="1995">Poll and Gosse, 1995</bibRefCitation>
|
||
).
|
||
<bibRefCitation id="EFD2FFEDFFA6420E904E5059FA91FB9D" box="[1097,1321,1124,1148]" pageId="3" pageNumber="42" refString="Blache, J., Miton, F., Stauch, A., Iltis, A. & Loubens, G. (1964) Les poissons du bassin du Tchad et du bassin adjacent du Mayo Kebbi. Etude systematique et biologique. Memoires ORSTOM, no. 4, 1 - 483." type="journal article">
|
||
Blache
|
||
<emphasis id="B9375E0EFFA6420E909A5058FB6EFB9D" box="[1181,1238,1124,1148]" italics="true" pageId="3" pageNumber="42">et al.</emphasis>
|
||
(1964)
|
||
</bibRefCitation>
|
||
, however, reported teeth on the premaxilla of specimens from the Lake
|
||
<collectingCountry id="F354C28CFFA6420E975450BAFC36FB7E" box="[851,910,1159,1183]" name="Chad" pageId="3" pageNumber="42">Chad</collectingCountry>
|
||
basin and
|
||
<bibRefCitation id="EFD2FFEDFFA6420E900C50BAFAADFB7E" box="[1035,1301,1159,1184]" pageId="3" pageNumber="42" refString="Golubtsov, A. S., Moots, K. A. & Dzerjinskii, K. F. (2004) Dentition in the African catfishes Andersonia (Amphiliidae) and Siluranodon (Schilbeidae) previously considered toothless. Journal of Fish Biology, 64, 146 - 158." type="journal article">
|
||
Golubtsov
|
||
<emphasis id="B9375E0EFFA6420E908F50B4FB7AFB41" box="[1160,1218,1160,1184]" italics="true" pageId="3" pageNumber="42">et al.</emphasis>
|
||
(2004)
|
||
</bibRefCitation>
|
||
determined that teeth were uniformly present in both jaws in large series of specimens from the White Nile system. Our observations confirm the broad occurrence of such dentition in samples from the
|
||
<collectingCountry id="F354C28CFFA6420E97EF50F2FB9EFB06" box="[1000,1062,1231,1255]" name="Chad" pageId="3" pageNumber="42">Chad</collectingCountry>
|
||
,
|
||
<collectingCountry id="F354C28CFFA6420E903650F2FBC9FB06" box="[1073,1137,1231,1255]" name="Niger" pageId="3" pageNumber="42">Niger</collectingCountry>
|
||
and Nile basins.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |