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107 lines
11 KiB
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<document id="2B7EC89841555D4C3249B6F9621162C1" ID-DOI="http://dx.doi.org/10.3897/AfrInvertebr.57.10048" ID-GBIF-Dataset="37a47f0c-75e9-4cab-a3eb-f8d31c2f1d45" ID-Pensoft-Pub="2305-2562-2-83" ID-ZooBank="055AF7F9AF2B472D901CA2E648244687" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="2305-2562-2-83" ModsDocOrigin="African Invertebrates 57 (2)" ModsDocTitle="The second species of the endemic Malagasy earthworm genus Howascolex Michaelsen, 1901; Howascolexfarafangana sp. n. (Clitellata, Megadrili)" checkinTime="1472674852540" checkinUser="pensoft" docAuthor="Csuzdi, Csaba, Razafindrakoto, Malalatiana & Hong, Yong" docDate="2016" docId="EB78BC0706979560CC5579B12FD8F1C6" docLanguage="en" docName="AfrInvert 57(2): 83-91" docOrigin="African Invertebrates 57 (2)" docSource="http://dx.doi.org/10.3897/AfrInvertebr.57.10048" docTitle="Howascolex madagascariensis Michaelsen 1901" docType="treatment" docVersion="6" lastPageNumber="86" masterDocId="FFEA2E07FF8CAB3C8F1FFFF7DE21FFDC" masterDocTitle="The second species of the endemic Malagasy earthworm genus Howascolex Michaelsen, 1901; Howascolexfarafangana sp. n. (Clitellata, Megadrili)" masterLastPageNumber="91" masterPageNumber="83" pageNumber="86" updateTime="1701315076050" updateUser="plazi">
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<mods:title id="4F6B5A99C3A478B83D7E7D6CC6DC685C">The second species of the endemic Malagasy earthworm genus Howascolex Michaelsen, 1901; Howascolexfarafangana sp. n. (Clitellata, Megadrili)</mods:title>
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<mods:namePart id="9097775B685CDD8D547FA5F30CD649BF">Csuzdi, Csaba</mods:namePart>
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<mods:namePart id="9BAAD3310C9CFD6BCA32E0589A3C96B9">Razafindrakoto, Malalatiana</mods:namePart>
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<mods:namePart id="45C4EBC2955C07E878B6347801463B1D">Hong, Yong</mods:namePart>
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<mods:title id="D2605DE140E21D8B4BFD6D10EC4838B6">African Invertebrates</mods:title>
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<mods:date id="9D4D2FC80F9C5C491642B1703F639AD4">2016</mods:date>
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<mods:number id="C0892FD2C440AC23701F7CA051582F41">57</mods:number>
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<mods:url id="75C222284DDC0EB544161E6752E3B1CF">http://dx.doi.org/10.3897/AfrInvertebr.57.10048</mods:url>
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<mods:classification id="BD97D44708DA8B152902BA19E17DEEAE">journal article</mods:classification>
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<mods:identifier id="E87E8FC98541D76D643B5E52129A0E26" type="DOI">http://dx.doi.org/10.3897/AfrInvertebr.57.10048</mods:identifier>
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<treatment id="EB78BC0706979560CC5579B12FD8F1C6" ID-GBIF-Taxon="127876968" LSID="urn:lsid:plazi:treatment:EB78BC0706979560CC5579B12FD8F1C6" httpUri="http://treatment.plazi.org/id/EB78BC0706979560CC5579B12FD8F1C6" lastPageNumber="86" pageId="3" pageNumber="86">
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<subSubSection id="B1B5BDF5EF674D7E1155792077A1BE71" pageId="3" pageNumber="86" type="multiple">
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<paragraph id="EDD29821089DE94EBC81C633E8E5E6A6" pageId="3" pageNumber="86">Taxon classification Animalia Haplotaxida Acanthodrilidae</paragraph>
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</subSubSection>
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<subSubSection id="872D65AF8148F8CF544FD00A93C1D937" pageId="3" pageNumber="86" type="nomenclature">
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<paragraph id="F56C2451AEEBCF08D899CAAD10855459" pageId="3" pageNumber="86">
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<taxonomicName id="BF3E5175861B4E1E4F97371B3317B465" authority="Michaelsen, 1901" authorityName="Michaelsen" authorityYear="1901" class="Clitellata" family="Acanthodrilidae" genus="Howascolex" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Howascolex madagascariensis" order="Haplotaxida" pageId="3" pageNumber="86" phylum="Annelida" rank="species" species="madagascariensis">Howascolex madagascariensis Michaelsen, 1901</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="D865CD0A8833A5EE4F2C24C50FC5E439" pageId="3" pageNumber="86" type="reference_group">
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<paragraph id="9CD0389718888DC9A8E9C391F66AF01B" pageId="3" pageNumber="86">
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<taxonomicName id="0C8E5A5E1E14BF854E5FDF9D780061B8" class="Clitellata" family="Acanthodrilidae" genus="Howascolex" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Howascolex madagascariensis" order="Haplotaxida" pageId="3" pageNumber="86" phylum="Annelida" rank="species" species="madagascariensis">Howascolex madagascariensis</taxonomicName>
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Michaelsen, 1901: 202,
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<bibRefCitation id="415BACC84D4519754C368D6557709BE7" author="Pickford, GE" journalOrPublisher="Heffer & Sons, Cambridge" pageId="7" pageNumber="90" title="A Monograph of the Acanthodriline Earthworms of South Africa." year="1937">Pickford 1937</bibRefCitation>
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: 605,
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<bibRefCitation id="825376D6E4618D3BF6E6F55E6DE84B40" author="Julka, JM" journalOrPublisher="Zoological Survey of India, Calcutta" pageId="6" pageNumber="89" title="Fauna of India. Megadrile Oligochaeta (Earthworms). Family Octochaetidae." year="1988">Julka 1988</bibRefCitation>
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: 344.
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</paragraph>
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</subSubSection>
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<subSubSection id="DD449B69CD8B824E5CC93935B7E6EDCE" pageId="3" pageNumber="86" type="diagnosis">
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<paragraph id="0685813E4669E0A8DA3C44749A9C2730" pageId="3" pageNumber="86">Diagnosis.</paragraph>
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<paragraph id="3D5F087E2F339F882401F99BDC9BD898" pageId="3" pageNumber="86">
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Length 90-100 mm diameter 4-6 mm. Colour pale, pigmentation lacking. First dorsal pore in 12/13. Clitellum 13-19. ♀ 14 paired, presetal in
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<normalizedToken id="91840C5D7F9E3927F717995014DA7FD9" originalValue="a–a">a-a</normalizedToken>
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. Prostatic pores 17, 19. Spermathecal pores on the rim of 8 and 9, spermathecae with elongated oval ampoule, and a small duct bearing an acinous diverticula almost encircling the duct. Gizzard large in 5 or 6, last pair of hearts in 13. Calciferous glands large intramural encircles the oesophagus in 16. Excretory system holoic? before clitellum and meroic with 5-6 meronephridia and a stomate ventralmedian megameronephridium per side. Penial setae present. Ectal third highly bent, tip somewhat spoon-shaped. Length 2 mm diameter 0.04 mm, ornamentation small scattered teeth.
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</paragraph>
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</subSubSection>
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<subSubSection id="F10D20F3EFC72309401E574AF36EC2F3" pageId="3" pageNumber="86" type="materials_examined">
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<paragraph id="E0CEA37BF5015C1FC85E932E1FFE4609" pageId="3" pageNumber="86">Material examined.</paragraph>
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<paragraph id="A409A3A7837330130360FFA0B6D1618A" pageId="3" pageNumber="86">
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ZMUH V5616
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<taxonomicName id="C788AE95DC66EC6BA138D0F031195D16" class="Clitellata" family="Acanthodrilidae" genus="Howascolex" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Howascolex madagascariensis" order="Crassiclitellata" pageId="3" pageNumber="86" phylum="Annelida" rank="species" species="madagascariensis">Howascolex madagascariensis</taxonomicName>
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syntypes 8 ex. S. Madagaskar, Andrahomana in
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<normalizedToken id="84F10C466DE987AE63C45593ECC7DC6A" originalValue="Höhlen">Hoehlen</normalizedToken>
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. Leg. Sikora.
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</paragraph>
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<paragraph id="9C3B7F67E0E889B54C3CC618886D1268" pageId="3" pageNumber="86">
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HNHM/AF5667 1+1 juvenile ex., HNHM/AF5668 1 ex. Madagascar, Vatovavy Fito Vinany Region, Farafangana District, Tsararafa, Ankazomafaitsa
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<geoCoordinate id="9B0A023D045FFAAFE2A1601C9B242AE6" direction="south" orientation="latitude" precision="15" value="-22.645">22°38'42"S</geoCoordinate>
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,
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<geoCoordinate id="F90A050B2641D5057394DDBFA55F267D" direction="east" orientation="longitude" precision="15" value="47.834442">47°50'04"E</geoCoordinate>
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, 63 asl, Legit: Y. Hong & M. Razafindrakoto.
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</paragraph>
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</subSubSection>
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<subSubSection id="E484218023484974749732D7C7F776A9" pageId="3" pageNumber="86" type="remarks">
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<paragraph id="DBF2294DB94177D7BB9F5334FB119FD2" pageId="3" pageNumber="86">Remarks.</paragraph>
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<paragraph id="FB5ABBC7CC52DA7ECA4623E91267D882" pageId="3" pageNumber="86">
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We had the possibility to examine the syntypes of
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<taxonomicName id="7A1D0AE571EC165A12C596BD9853BCF4" class="Clitellata" family="Acanthodrilidae" genus="Howascolex" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Howascolex madagascariensis" order="Crassiclitellata" pageId="3" pageNumber="86" phylum="Annelida" rank="species" species="madagascariensis">Howascolex madagascariensis</taxonomicName>
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housed in the Zoological Museum of the University of Hamburg (ZMUH). The specimens are softened but all the inner structures are clearly seen. The nephridial system is completely identical with that of described in
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<bibRefCitation id="2F80C84F4DA7D454DB36FE0BD7120AA8" author="Michaelsen, W" journalOrPublisher="Bulletin de l'Academie Imperiale des Sciences de St. Petersbourg" pageId="7" pageNumber="90" pagination="136 - 215" title="Oligochaeten der Zoologischen Museum zu St. Petersburg und Kiew." volume="15" year="1901">Michaelsen (1901)</bibRefCitation>
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. In the praeclitellar segments there is a pair of highly coiled stomate, exoic and avesiculate tubular holonephridium. In the postclitellar region the larger nephridia (megameronephridia) are accompanied by several smaller highly coiled meronephridia.
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</paragraph>
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<paragraph id="96C5B022812C960911DE0543A6B9E1BE" pageId="3" pageNumber="86">Our specimens agree well with the syntypes but their nephridia are not so well preserved and it seems that the praeclitellar holonephridium consists of 2-3 interconnected more compact regions which became separated after the clitellum to form 4-6 normal meronephridia. The shape of the spermathecae, the penial setae, and the distribution of the characteristic genital papillae are identical in the syntypes and the new material.</paragraph>
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</subSubSection>
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</treatment>
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