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<document id="AD8A250F8BBB61413873223E4EB9146C" ID-DOI="10.5281/zenodo.5330604" ID-ISSN="0374-1036" ID-Zenodo-Dep="5330604" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630168017471" checkinUser="felipe" docAuthor="Fikáček, Martin, Prokin, Alexander, Angus, Robert B., Pono, Alexander, Marenko, Yue, Yanli, Ren, Dong &amp; Prokop, Jakub" docDate="2012" docId="B970A055FFCEFFEAFED9248FFE4BFDAF" docLanguage="en" docName="ActaEntMusNatPra.2012.52.1.89-127.pdf" docOrigin="Acta Entomologica Musei Nationalis Pragae 52 (1)" docStyle="DocumentStyle:E9BE312A6EDF9B84FC5211AAA80D80BF.10:ActaEntMusNatPra.2005-2016.journal_article" docStyleId="E9BE312A6EDF9B84FC5211AAA80D80BF" docStyleName="ActaEntMusNatPra.2005-2016.journal_article" docStyleVersion="10" docTitle="Mesosperchus Ponomarenko 1977" docType="treatment" docVersion="4" lastPageNumber="104" masterDocId="4549D82DFFC0FFE5FF9B2756FFB9FFFB" masterDocTitle="Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)" masterLastPageNumber="127" masterPageNumber="89" pageNumber="103" updateTime="1699171640213" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="9D4F2BEAB98EE866447FD0046587DD38">Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)</mods:title>
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<mods:namePart id="92A5DAEB97BBF39263E19F419D89FF8F">Fikáček, Martin</mods:namePart>
<mods:affiliation id="379828E504254D8D9939620A5B116386">Department of Entomology, National Museum, Kunratice 1, CZ- 148 00 Praha 4, Czech Republic; e-mail: mfikacek @ gmail. com &amp; Department of Zoology, Faculty of Science, Charles University in Prague, Viničná 7, CZ- 128 44 Praha 2, Czech Republic; e-mail: jprokop @ natur. cuni. cz</mods:affiliation>
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<mods:namePart id="4380015290F49EF5290A0EF3A46E11DE">Prokin, Alexander</mods:namePart>
<mods:affiliation id="13B9ECC2132A80ECAC072A3A730827E3">Papanin Institute for Inland Water Biology, Russian Academy of Science, Borok, Russia; e-mail: prokina @ mail. ru &amp; Voronezh State University, Research-Educational Centre “ Venevitinovo ”, Voronezh, Russia</mods:affiliation>
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<mods:namePart id="C6BD5E93121E87AC47A518B061D73074">Angus, Robert B.</mods:namePart>
<mods:affiliation id="7207EDA0939D511FBA183BBC0B9B025C">Department of Entomology, The Natural History Museum, London, UK; e-mail: r. angus @ rhul. ac. uk</mods:affiliation>
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<mods:namePart id="2EFC596B53ABC6118A9792253D3E762E">Pono, Alexander</mods:namePart>
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<mods:namePart id="C0AE2E103A2FBBC7FFE47B29FBA446F7">Marenko</mods:namePart>
<mods:affiliation id="AB39850A1970C073852124438A3FB25F">Borissiak Paleontological Institute, Russian Academy of Sciences, Moscow, Russia; e-mail: aponom @ paleo. ru</mods:affiliation>
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<mods:namePart id="C3D015E5649B0759E7D02BF804A83098">Yue, Yanli</mods:namePart>
<mods:affiliation id="E67A92E5C5032A69883419B1A206B777">School of Life Science, Ningxia University, Ningxia, China; e-mail: yueyanli 0407 @ yahoo. cn</mods:affiliation>
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<mods:namePart id="3AB9AED6F344861914FC62386106B014">Ren, Dong</mods:namePart>
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<mods:namePart id="674C273EB652DCBD0022897C8BC171A7">Prokop, Jakub</mods:namePart>
<mods:affiliation id="118660251957A22BEA5F5ACFB7722133">Department of Zoology, Faculty of Science, Charles University in Prague, Viničná 7, CZ- 128 44 Praha 2, Czech Republic; e-mail: jprokop @ natur. cuni. cz</mods:affiliation>
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<paragraph id="31661143FFCEFFEBFED9248FFC05FC0A" blockId="14.[322,956,984,1009]" box="[322,956,984,1009]" pageId="14" pageNumber="103">
<heading id="6A2EA62FFFCEFFEBFED9248FFC05FC0A" bold="true" box="[322,956,984,1009]" centered="true" fontSize="8" level="2" pageId="14" pageNumber="103" reason="3">
<emphasis id="03ADCD51FFCEFFEBFED9248FFC05FC0A" bold="true" box="[322,956,984,1009]" pageId="14" pageNumber="103">
Subgenus †
<taxonomicName id="F6D96AC0FFCEFFEBFE51248EFCE9FC0A" ID-CoL="62YY7" authority="Ponomarenko, 1977" authorityName="Ponomarenko" authorityYear="1977" box="[458,848,984,1009]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFE51248EFDDEFC0A" bold="true" box="[458,615,984,1009]" italics="true" pageId="14" pageNumber="103">Mesosperchus</emphasis>
Ponomarenko, 1977
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stat. nov.
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<subSubSection id="79C342C8FFCEFFEBFF0C2356FBACFBD6" pageId="14" pageNumber="103" type="reference_group">
<paragraph id="31661143FFCEFFEBFF0C2356FBACFBD6" blockId="14.[151,1045,1023,1069]" pageId="14" pageNumber="103">
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<treatmentCitation id="B0783752FFCEFFEBFF0C2356FE43FBE9" author="PONOMARENKO A. G." box="[151,506,1023,1042]" page="108" pageId="14" pageNumber="103" year="1977">
<taxonomicName id="F6D96AC0FFCEFFEBFF0C2356FE43FBE9" ID-CoL="62YY7" authority="Ponomarenko, 1977 b: 108" authorityName="Ponomarenko" authorityPageNumber="108" authorityYear="1977" box="[151,506,1023,1042]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFF0C2356FEA9FBE9" box="[151,272,1024,1042]" italics="true" pageId="14" pageNumber="103">Mesosperchus</emphasis>
<bibRefCitation id="55486CB2FFCEFFEBFE8D24A9FE43FBE9" author="PONOMARENKO A. G." box="[278,506,1023,1042]" pageId="14" pageNumber="103" pagination="106 - 119" refId="ref15525" refString="PONOMARENKO A. G. 1977 b: Infraotryad Staphyliniformia. [Infraorder Staphyliniformia]. Pp. 106 - 119. In: ARNOLDI L. V., ZHERIKHIN V. V., NIKRITIN L. M. &amp; PONOMARENKO A. G. (eds.): Mezozoiskie zhestkokrylye. [Mesozoic Coleoptera]. Nauka, Moskva, 204 pp (in Russian). [For English translation see ARNOLDI et al. (1992)]." type="book chapter" year="1977">Ponomarenko, 1977b: 108</bibRefCitation>
</taxonomicName>
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.
<emphasis id="03ADCD51FFCEFFEBFF0C234DFEA3FBD6" box="[151,282,1051,1069]" italics="true" pageId="14" pageNumber="103">Mesospercheus</emphasis>
(incorrect subsequent spelling):
<treatmentCitation id="B0783752FFCEFFEBFDAB234CFCB2FBD6" author="ARNOLDI L. V. &amp; ZHERIKHIN V. V. &amp; NIKRITIN L. M. &amp; PONOMARENKO A. G." box="[560,779,1050,1069]" page="148" pageId="14" pageNumber="103" year="1992">
<bibRefCitation id="55486CB2FFCEFFEBFDAB234CFCB2FBD6" author="ARNOLDI L. V. &amp; ZHERIKHIN V. V. &amp; NIKRITIN L. M. &amp; PONOMARENKO A. G." box="[560,779,1050,1069]" pageId="14" pageNumber="103" refId="ref14072" refString="ARNOLDI L. V., ZHERIKHIN V. V., NIKRITIN L. M. &amp; PONOMARENKO A. G. (eds.) 1992: Mesozoic Coleoptera. Smithsonian Institution Libraries &amp; The National Science Foundation, Washington, 285 pp." type="book" year="1992">ARNOLDI et al. (1992: 148</bibRefCitation>
</treatmentCitation>
, name changed by translators).
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</paragraph>
</subSubSection>
<subSubSection id="79C342C8FFCEFFEBFF0C2313FF6CFB66" pageId="14" pageNumber="103" type="type_taxon">
<paragraph id="31661143FFCEFFEBFF0C2313FBAAFBA6" blockId="14.[151,1127,1093,1181]" box="[151,1043,1093,1117]" pageId="14" pageNumber="103">
<emphasis id="03ADCD51FFCEFFEBFF0C2313FE92FBA6" bold="true" box="[151,299,1093,1117]" pageId="14" pageNumber="103">
<typeStatus id="EE62AFE1FFCEFFEBFF0C2313FF76FBA6" box="[151,207,1093,1117]" pageId="14" pageNumber="103">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="F6D96AC0FFCEFFEBFEA92310FD44FBA6" authority="Ponomarenko, 1977" authorityName="Ponomarenko" authorityYear="1977" box="[306,765,1093,1117]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="species" species="tarsalis">
<emphasis id="03ADCD51FFCEFFEBFEA92310FD99FBA6" box="[306,544,1094,1117]" italics="true" pageId="14" pageNumber="103">Mesosperchus tarsalis</emphasis>
Ponomarenko, 1977
</taxonomicName>
(by original designation).
</paragraph>
<paragraph id="31661143FFCEFFEBFF0C2333FF6CFB66" blockId="14.[151,1127,1093,1181]" pageId="14" pageNumber="103">
<emphasis id="03ADCD51FFCEFFEBFF0C2333FEA6FB86" bold="true" box="[151,287,1125,1149]" pageId="14" pageNumber="103">Time range.</emphasis>
Late Jurassic (ca. 150146 mya) to JurassicCretaceous boundary (ca. 145140 mya).
</paragraph>
</subSubSection>
<subSubSection id="79C342C8FFCEFFEAFF0C23E2FE4BFDAF" lastPageId="15" lastPageNumber="104" pageId="14" pageNumber="103" type="diagnosis">
<paragraph id="31661143FFCEFFEBFF0C23E2FC5BFAD7" blockId="14.[151,1127,1203,1581]" pageId="14" pageNumber="103">
<emphasis id="03ADCD51FFCEFFEBFF0C23E2FEE0FB37" bold="true" box="[151,345,1203,1228]" pageId="14" pageNumber="103">
Diagnosis.
<emphasis id="03ADCD51FFCEFFEBFE8823E5FEE9FB37" bold="true" box="[275,336,1203,1228]" italics="true" pageId="14" pageNumber="103">Adult</emphasis>
:
</emphasis>
Head and pronotum with setiferous granules; frontoclypeal suture very distinct, its median portion grooved; gula moderately wide, with well-separated gular sutures; pronotum with five longitudinal grooves; pronotal flanks narrow; elytra with sutural stria; all elytral intervals flat, alternate ones never elevated, costate or bearing tubercles.
</paragraph>
<paragraph id="31661143FFCEFFEAFF0C2262FED6FECF" blockId="14.[151,1127,1203,1581]" lastBlockId="15.[113,1089,220,596]" lastPageId="15" lastPageNumber="104" pageId="14" pageNumber="103">
<emphasis id="03ADCD51FFCEFFEBFF0C2262FEE4FAB7" bold="true" box="[151,349,1332,1356]" pageId="14" pageNumber="103">Taxonomic notes.</emphasis>
The subgenus
<taxonomicName id="F6D96AC0FFCEFFEBFE662260FD2CFAB6" authorityName="Ponomarenko" authorityYear="1977" box="[509,661,1334,1357]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFE662260FD2CFAB6" box="[509,661,1334,1357]" italics="true" pageId="14" pageNumber="103">Mesosperchus</emphasis>
</taxonomicName>
is understood here as a paraphyletic formal taxon defined solely by the absence of the apomorphies of any other subgenus of
<taxonomicName id="F6D96AC0FFCEFFEBFC732200FBDFFA96" authorityName="Fabricius" authorityYear="1775" box="[1000,1126,1366,1389]" class="Insecta" family="Helophoridae" genus="Helophorus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFC732200FBDFFA96" box="[1000,1126,1366,1389]" italics="true" pageId="14" pageNumber="103">Helophorus</emphasis>
</taxonomicName>
(hence, it is defined by plesiomorphies only). It is designed to accommodate fossil species which can be clearly assigned to the genus
<taxonomicName id="F6D96AC0FFCEFFEBFDED22C0FD4DFA56" authorityName="Fabricius" authorityYear="1775" box="[630,756,1430,1453]" class="Insecta" family="Helophoridae" genus="Helophorus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFDED22C0FD4DFA56" box="[630,756,1430,1453]" italics="true" pageId="14" pageNumber="103">Helophorus</emphasis>
</taxonomicName>
, but lack any characters allowing further subgeneric assignment. As such,
<taxonomicName id="F6D96AC0FFCEFFEBFDD822E0FD62FA36" authorityName="Ponomarenko" authorityYear="1977" box="[579,731,1462,1485]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFDD822E0FD62FA36" box="[579,731,1462,1485]" italics="true" pageId="14" pageNumber="103">Mesosperchus</emphasis>
</taxonomicName>
may be understood as a formal taxon containing Late-Jurassic stem taxa of the genus
<taxonomicName id="F6D96AC0FFCEFFEBFD302280FC90FA16" authorityName="Fabricius" authorityYear="1775" box="[683,809,1494,1517]" class="Insecta" family="Helophoridae" genus="Helophorus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFD302280FC90FA16" box="[683,809,1494,1517]" italics="true" pageId="14" pageNumber="103">Helophorus</emphasis>
</taxonomicName>
. We are, however, unable to distinguish between fossil species in which additional apomorphies have been really absent from those in which they are only not preserved. Hence,
<taxonomicName id="F6D96AC0FFCEFFEBFC972140FC1DF9D6" authorityName="Ponomarenko" authorityYear="1977" box="[780,932,1558,1581]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="103" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCEFFEBFC972140FC1DF9D6" box="[780,932,1558,1581]" italics="true" pageId="14" pageNumber="103">Mesosperchus</emphasis>
</taxonomicName>
may also contain species representing extinct basal lineages of
<taxonomicName id="F6D96AC0FFCFFFEAFDFD278BFD5DFF0F" authorityName="Fabricius" authorityYear="1775" box="[614,740,221,244]" class="Insecta" family="Helophoridae" genus="Helophorus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFDFD278BFD5DFF0F" box="[614,740,221,244]" italics="true" pageId="15" pageNumber="104">Helophorus</emphasis>
</taxonomicName>
(rather than stem taxa) or even species which would be classified as a part of an other subgenus recognized at present if their preservation was better.
</paragraph>
<paragraph id="31661143FFCFFFEAFF0B266AFD6AFE08" blockId="15.[113,1089,220,596]" pageId="15" pageNumber="104">
<bibRefCitation id="55486CB2FFCFFFEAFF0B266AFECAFEAF" author="PONOMARENKO A. G." box="[144,371,316,340]" pageId="15" pageNumber="104" pagination="179 - 188" refId="ref15829" refString="PONOMARENKO A. G. 1992: Upper Liassic beetles (Coleoptera) from Lower Saxony, Germany. Senckenbergiana Lethaea 72: 179 - 188." type="journal article" year="1992">PONOMARENKO (1992)</bibRefCitation>
synonymised
<taxonomicName id="F6D96AC0FFCFFFEAFD90266BFD1AFEAF" authorityName="Ponomarenko" authorityYear="1977" box="[523,675,317,340]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFD90266BFD1AFEAF" box="[523,675,317,340]" italics="true" pageId="15" pageNumber="104">Mesosperchus</emphasis>
</taxonomicName>
with the genus
<taxonomicName id="F6D96AC0FFCFFFEAFCD3266BFB84FEA8" authority="Bode, 1953" authorityName="Bode" authorityYear="1953" box="[840,1085,315,340]" class="Insecta" family="Hydrophilidae" genus="Zetemenos" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFCD3266BFC03FEAF" box="[840,954,317,340]" italics="true" pageId="15" pageNumber="104">Zetemenos</emphasis>
<bibRefCitation id="55486CB2FFCFFFEAFC5B266AFB84FEA8" author="BODE A." box="[960,1085,315,340]" pageId="15" pageNumber="104" pagination="1 - 375" refId="ref14118" refString="BODE A. 1953: Die Insektenfauna des ostniedersachsischen oberen Lias. Palaeontographica, Abteilung A 103 (1 - 4): 1 - 375." type="journal article" year="1953">Bode, 1953</bibRefCitation>
</taxonomicName>
, previously containing a single species,
<taxonomicName id="F6D96AC0FFCFFFEAFDBA260BFCF8FE88" authority="Bode, 1953" authorityName="Bode" authorityYear="1953" box="[545,833,347,372]" class="Insecta" family="Hydrophilidae" genus="Zetemenos" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="species" species="sexlineatus">
<emphasis id="03ADCD51FFCFFFEAFDBA260BFD0EFE8F" box="[545,695,349,372]" italics="true" pageId="15" pageNumber="104">Z. sexlineatus</emphasis>
<bibRefCitation id="55486CB2FFCFFFEAFD24260AFCF8FE88" author="BODE A." box="[703,833,347,372]" pageId="15" pageNumber="104" pagination="1 - 375" refId="ref14118" refString="BODE A. 1953: Die Insektenfauna des ostniedersachsischen oberen Lias. Palaeontographica, Abteilung A 103 (1 - 4): 1 - 375." type="journal article" year="1953">Bode, 1953</bibRefCitation>
</taxonomicName>
. The re-examination of the
<typeStatus id="EE62AFE1FFCFFFEAFF02262AFF4FFE6F" box="[153,246,380,404]" pageId="15" pageNumber="104" type="holotype">holotype</typeStatus>
of this species (see below for details) showed that the specimen is very poorly preserved and does not bear any synapomorphy indicating its assignment to the
<taxonomicName id="F6D96AC0FFCFFFEAFC2B26CAFBF8FE4F" authorityName="Leach" authorityYear="1815" box="[944,1089,412,436]" class="Insecta" family="Helophoridae" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="family">Helophoridae</taxonomicName>
or
<taxonomicName id="F6D96AC0FFCFFFEAFF1726EAFE8CFE2F" authorityName="Latreille" authorityYear="1802" box="[140,309,444,468]" class="Magnoliopsida" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="15" pageNumber="89" phylum="Tracheophyta" rank="superFamily" superFamily="Hydrophiloidea">Hydrophiloidea</taxonomicName>
. For that reason, the synonymy of
<taxonomicName id="F6D96AC0FFCFFFEAFD0F26EBFC93FE2F" authorityName="Ponomarenko" authorityYear="1977" box="[660,810,445,468]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFD0F26EBFC93FE2F" box="[660,810,445,468]" italics="true" pageId="15" pageNumber="104">Mesosperchus</emphasis>
</taxonomicName>
with
<taxonomicName id="F6D96AC0FFCFFFEAFCF926EBFC6AFE2F" authorityName="Bode" authorityYear="1953" box="[866,979,445,468]" class="Insecta" family="Hydrophilidae" genus="Zetemenos" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFCF926EBFC6AFE2F" box="[866,979,445,468]" italics="true" pageId="15" pageNumber="104">Zetemenos</emphasis>
</taxonomicName>
is rejected here and
<taxonomicName id="F6D96AC0FFCFFFEAFF48268BFED2FE0F" authorityName="Ponomarenko" authorityYear="1977" box="[211,363,477,500]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFF48268BFED2FE0F" box="[211,363,477,500]" italics="true" pageId="15" pageNumber="104">Mesosperchus</emphasis>
</taxonomicName>
is re-established as a valid taxon.
</paragraph>
<paragraph id="31661143FFCFFFEAFFEA26AAFE4BFDAF" blockId="15.[113,1089,220,596]" pageId="15" pageNumber="104">
<emphasis id="03ADCD51FFCFFFEAFFEA26AAFDB6FDEF" bold="true" box="[113,527,507,532]" pageId="15" pageNumber="104">
Taxa excluded from
<taxonomicName id="F6D96AC0FFCFFFEAFEF326ADFDB1FDEF" authorityName="Ponomarenko" authorityYear="1977" box="[360,520,507,532]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="genus">
<emphasis id="03ADCD51FFCFFFEAFEF326ADFDB1FDEF" bold="true" box="[360,520,507,532]" italics="true" pageId="15" pageNumber="104">Mesosperchus</emphasis>
</taxonomicName>
.
</emphasis>
<taxonomicName id="F6D96AC0FFCFFFEAFD8226ABFBACFDE8" authority="Ponomarenko, 1985" authorityName="Ponomarenko" authorityYear="1985" box="[537,1045,507,532]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="species" species="angulatus">
<emphasis id="03ADCD51FFCFFFEAFD8226ABFC90FDEF" box="[537,809,509,532]" italics="true" pageId="15" pageNumber="104">Mesosperchus angulatus</emphasis>
Ponomarenko, 1985
</taxonomicName>
,
<taxonomicName id="F6D96AC0FFCFFFEAFBB826ABFE25FDCF" authority="Ponomarenko, 1977" authorityName="Ponomarenko" authorityYear="1977" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="species" species="notatus">
<emphasis id="03ADCD51FFCFFFEAFBB826ABFF79FDCF" italics="true" pageId="15" pageNumber="104">M. notatus</emphasis>
Ponomarenko, 1977
</taxonomicName>
and
<taxonomicName id="F6D96AC0FFCFFFEAFE4B254BFC98FDC8" authority="Ponomarenko, 1985" authorityName="Ponomarenko" authorityYear="1985" box="[464,801,539,564]" class="Insecta" family="Hydrophilidae" genus="Mesosperchus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="104" phylum="Arthropoda" rank="species" species="schultzi">
<emphasis id="03ADCD51FFCFFFEAFE4B254BFDFDFDCF" box="[464,580,541,564]" italics="true" pageId="15" pageNumber="104">M. schultzi</emphasis>
Ponomarenko, 1985
</taxonomicName>
(for details see under Taxa excluded from the
<taxonomicName id="F6D96AC0FFCFFFEAFEA1256AFE5EFDAF" authorityName="Latreille" authorityYear="1802" box="[314,487,572,596]" class="Magnoliopsida" higherTaxonomySource="GBIF" kingdom="Plantae" order="Malvales" pageId="15" pageNumber="89" phylum="Tracheophyta" rank="superFamily" superFamily="Hydrophiloidea">Hydrophiloidea</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>