315 lines
35 KiB
XML
315 lines
35 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.586.8209" ID-GBIF-Dataset="e3cb31c1-d560-4e5f-9375-dfdb80666cec" ID-PMC="PMC4857031" ID-Pensoft-Pub="1313-2970-586-95" ID-PubMed="27199609" ID-ZBK="D247100A63434E19BCDA93B8E3122D10" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-586-95" ModsDocOrigin="ZooKeys 586" ModsDocTitle="Position of the dentifera-group in the Coronatella-branch and its relocation to a new genus: Magnospina gen. n. (Crustacea, Chydoridae, Aloninae)" checkinTime="1462414037231" checkinUser="pensoft" docAuthor="Sousa, Francisco Diogo R., Elmoor-Loureiro, Lourdes Maria Abdu & Santos, Sandro" docDate="2016" docId="03C3664E2FD6AAA70D8AAF5F3AFBE652" docLanguage="en" docName="ZooKeys 586: 95-119" docOrigin="ZooKeys 586" docSource="http://dx.doi.org/10.3897/zookeys.586.8209" docTitle="Magnospina Sousa, Elmoor-Loureiro & Santos, 2016, gen. n." docType="treatment" docUuid="8BA31D3E-9088-4642-B489-EB9DB45FE9FA" docUuidSource="ZooBank" docVersion="5" lastPageNumber="100" masterDocId="2926FFA5FFDEFFE5FFFADA64654B0A27" masterDocTitle="Position of the dentifera-group in the Coronatella-branch and its relocation to a new genus: Magnospina gen. n. (Crustacea, Chydoridae, Aloninae)" masterLastPageNumber="119" masterPageNumber="95" pageNumber="96" updateTime="1668163078065" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Position of the dentifera-group in the Coronatella-branch and its relocation to a new genus: Magnospina gen. n. (Crustacea, Chydoridae, Aloninae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Sousa, Francisco Diogo R.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Elmoor-Loureiro, Lourdes Maria Abdu</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Santos, Sandro</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>586</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>95</mods:start>
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<mods:end>119</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.586.8209</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.586.8209</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-586-95</mods:identifier>
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<mods:identifier type="ZBK">D247100A63434E19BCDA93B8E3122D10</mods:identifier>
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<mods:identifier type="ZooBank">D247100A63434E19BCDA93B8E3122D10</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127892623" LSID="urn:lsid:zoobank.org:act:8BA31D3E-9088-4642-B489-EB9DB45FE9FA" httpUri="http://treatment.plazi.org/id/03C3664E2FD6AAA70D8AAF5F3AFBE652" lastPageId="5" lastPageNumber="100" pageId="1" pageNumber="96">
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<subSubSection pageId="1" pageNumber="96" type="multiple">
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<paragraph pageId="1" pageNumber="96">Taxon classification Animalia Diplostraca Chydoridae</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="96" type="nomenclature">
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<paragraph pageId="1" pageNumber="96">
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<taxonomicName LSID="http://zoobank.org/8BA31D3E-9088-4642-B489-EB9DB45FE9FA" genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="1" pageNumber="96" rank="genus">Magnospina</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="96">gen. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="96" type="type species of the genus">
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<paragraph pageId="1" pageNumber="96">Type species of the genus.</paragraph>
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<paragraph pageId="1" pageNumber="96">
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="1" pageNumber="96" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
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comb. n. =
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<taxonomicName class="Branchiopoda" genus="Alona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alona dentifera" order="Diplostraca" pageId="1" pageNumber="96" phylum="Arthropoda" rank="species" species="dentifera">Alona dentifera</taxonomicName>
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(Sars, 1901).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="96" type="etymology">
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<paragraph pageId="1" pageNumber="96">Etymology.</paragraph>
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<paragraph pageId="1" pageNumber="96">
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The name "
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="1" pageNumber="96" rank="genus">Magnospina</taxonomicName>
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" is derived from two Latin words, magna = large, long and spina = spine. The generic name refers to the long basal spine on the postabdominal claw.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="98" pageId="2" pageNumber="97" type="description">
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<paragraph pageId="2" pageNumber="97">
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<pageBreakToken pageId="2" pageNumber="97" start="start">Description</pageBreakToken>
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.
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</paragraph>
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<paragraph lastPageId="3" lastPageNumber="98" pageId="2" pageNumber="97">
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Parthenogenetic female.Habitus without dorsal keel, ovoid or with moderate lateral compression, length 0.32-0.48 mm, maximum height before the mid-length of body; body height/length about 1.3-.17. Head Eye and ocellus of subequal or different sizes. Rostrum short from a lateral view, wide from a frontal view, not pointed, rounded or truncated; head shield wide, with the distance between the mandibular articulations higher than length of its posterior portion, with or without ornamentation; head pores absent or presents, in last case three connected main head pores, lateral head pores minute. Labral keel wide, oval and naked, apex not elongated. Carapace ornamentation not evident, slightly punctuated or with narrow longitudinal lines; valves armed with 40-53 setae internally inserted at the ventral margin and differentiated in three groups, setae from the anterior group markedly longer than median and posterior groups; ventral margin with a distinctive rounded angle at 1/3 of the length of the margin. Anteroventral corner of valves rounded; posteroventral corner armed with 1-4 large denticles, broad at their bases, protruding downwards, without setules between them; posterodorsal corner poorly defined. Posterior margin almost straight, armed with inner setules on the carapace which are not arranged in groups. Antennule not exceeding the tip of the rostrum, about 2.5 times as long as it is wide; three or four rows of setules on the antennular body. Antennular sensory seta about 1/2 length of antennular body. Nine aesthetascs of different length present in a distal position not exceeding the length of antennular body. Antenna with formula of antennal setae 003/113, spines 101/001; first segment of endopod and exopod elongated, about two times longer than the others segments; weak setules or spicules on the segments. First exopod segment with a narrow, naked or plumose seta, with length similar or slightly longer than the branches. Spine on the first endopod segment longer than second endopod segment. Apical spines slightly longer than the apical segments or about two times shorter than the apical segment itself. Three plumose apical setae not differentiated in size among themselves. Postabdomen approxamately 1.3-2.5 times as long as wide, narrowing distally. Dorsal margin weakly convex or straight. Preanal angle clearly prominent; preanal, anal and postanal margins of different length; postanal margin about 1.5-1.8 longer than anal margin, armed with 9-13 marginal denticles, of which the most distal (1-4) might be individualized, proximal denticles organized in clusters; 8-10 lateral fascicles with setules relatively weak. Postabdominal claw inserted on the projection of postabdomen, 1.3-1.5 times longer than anal margin; spinules on the ventral margin may be present; pecten of spinules on the internal and external face of claw, median pecten with strong spinules; base of the claw armed with 1-5 long and strong spinules. Basal spine almost straight, remarkably long, longer than 2/3 of the postabdominal claw length, with or without spinules on the dorsal margin. First Maxilla with two setulated setae. Limb I with epipod oval, with a finger-like projection. ODL with bisegmented seta, serrated from middle portion towards the distal portion; accessory seta implanted near the base of the ODL. IDL (en 4) with two robust setae (2-3), seta (1) rudimentary or absent; IDL setae 2-3 thick, armed with thick basal denticles. Endite 3 with four setae, anterior seta (1) shorter or similar in length to posterior setae (a-b); setae (a-b) of similar or different length; a sensillum might
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<pageBreakToken pageId="3" pageNumber="98" start="start">be</pageBreakToken>
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present on the endite. Endite 2 with three posterior long setae (d-f) which differ strongly in length among themselves; seta (d) shorter than the seta (e), setae (e-f) with thick spinules on the lateral face; a sensillum might be present on the endite. Endite 3 armed with three posterior setae (g-i); seta (i) plumose, about 1/2 of the setae (g-h). Ejector hooks relatively short. Ventral face of the limb with six-seven groups of setules organized in clusters. Limb II with exopod elongated, short seta present which might be plumose, about two-three times shorter than exopod itself. Inner portion armed with eight scrapers not specialized and decreasing in length towards distal portion, but with some denticles on the scrapers 6-8; anterior soft setae absent; gnathobase armed with four elements, filter comb armed with seven setae, of which two proximal are shorter than the others. Limb III with pre-epipod rounded and setulated, epipod oval with a short finger-like projection. Exopod with four distal and two lateral setae; fifth and sixth setae differentiated in length, third and fourth setae long; second seta about 1.4-1.7 times longer than first setae. Setae 3-6 clearly plumose. Distal endite armed with three setae and one sensillum, setae 1-2 scraper-like of different length; third seta curved and armed with many bilaterally implanted setules (3); four plumose posterior setae present. Basal endite with four soft anterior setae increasing in length towards the gnathobase, a sensillum might be present. Gnathobase with three elements, filtercomb with seven setae. Limb IV with pre-epipod rounded or rectangular and setulated, epipod oval with a long finger-like projection. Exopod with six marginal setae; first and second setae long, not plumose; third seta plumose, short, about two times shorter than the second seta; fourth seta long and plumose; fifth and sixth setae plumose and with similar lengths; Distal endite with four setae (1-4), one scraper-like (1), three flaming-torch-like (3-4); flaming-torch setae not modified. Basal endite with three slightly setulated soft setae. Gnathobase armed with a setulated seta shorter than the length endite itself, filter comb with five setae. Limb V with pre-epipod rounded or rectangular and setulated, epipod oval with a long finger-like projection. Exopod not divided in lobes, armed with four plumose setae. Setae 2-4 of subequal lengths; first seta about two-three times shorter than the other setae. Internal lobe wide, oval and with long setules apically and laterally implanted; two setulated setae on the inner face which are shorter than the length of lobe itself. Filter comb with one or without seta. Limb VI absent.
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</paragraph>
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<paragraph pageId="3" pageNumber="98">
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Adult male. As for
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="3" pageNumber="98" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
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comb. n.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="4" lastPageNumber="99" pageId="3" pageNumber="98" type="diagnosis of the genus">
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<paragraph pageId="3" pageNumber="98">Diagnosis of the genus.</paragraph>
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<paragraph lastPageId="4" lastPageNumber="99" pageId="3" pageNumber="98">
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Parthenogenetic female.Habitus ovoid, without dorsal keel. Head with rostrum wide, not pointed; head shield wide with distance between mandibular articulations higher than length of its posterior portion, main head pores absent in adults of
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="3" pageNumber="98" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
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comb. n. or with three connected main head pores in
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina siamensis" pageId="3" pageNumber="98" rank="species" species="siamensis">Magnospina siamensis</taxonomicName>
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comb. n.; lateral head pores absent (
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina detifera" pageId="3" pageNumber="98" rank="species" species="detifera">Magnospina detifera</taxonomicName>
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comb. n.) or present (
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina siamensis" pageId="3" pageNumber="98" rank="species" species="siamensis">Magnospina siamensis</taxonomicName>
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comb. n.). Labral keel wide and naked, apex not elongated. Carapace ornamentation not evident, punctuated or with narrow longitudinal lines; valves armed with 40-53 setae internally inserted at the ventral margin and differentiated in three groups, setae from the anterior group markedly longer than median and posterior groups; ventral margin with a distinctive rounded angle at 1/3 of the margin length;
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<pageBreakToken pageId="4" pageNumber="99" start="start">posteroventral</pageBreakToken>
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corner armed with 1-4 large denticles, broad at their bases, protruding downwards, without setules between them. Antennule not exceeding the tip of the rostrum, nine aesthetascs of different lengths present distally. Antenna with formula of antennal setae 003/113; spines 101/001; basal segments on the exopod and endopod about two times longer than the other segments; weak setules or spicules on the segments. Postabdomen narrowing distally, preanal angle prominent; postanal margin armed with 9-13 marginal denticles which the most distal (1-4) might be individualized, proximal denticles organized in clusters; eight-10 lateral fascicles with weak setules. Postabdominal claw inserted on the projection of postabdomen, longer than anal margin; spinules on the ventral margin may be present; pecten of spinules on the internal and external face of the claw, base of claw armed with 1-5 long and spinules. Basal spine remarkably long, longer than 2/3 of postabdominal claw length, with or without spinules on the dorsal margin (absent in
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina siamensis" pageId="4" pageNumber="99" rank="species" species="siamensis">Magnospina siamensis</taxonomicName>
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comb. n.). Limb I with endite 1 armed with three setae (g-i); IDL (en 4) with two robust setae (2-3), seta 1 rudimentary (
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="4" pageNumber="99" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
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comb. n.) or absent (
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina siamensis" pageId="4" pageNumber="99" rank="species" species="siamensis">Magnospina siamensis</taxonomicName>
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comb. n.); IDL setae 2-3 thick, armed with thick basal denticles. Limb II without soft setae; short seta on the exopod; scrapers not specialized, but with some denticles, especially on scrapers 6-8; gnathobase armed with four elements, filter comb armed with seven setae, of which two proximal are shorter than others. Limb III with six setae on the exopod, third and fourth setae long; distal endite armed with three setae and one sensillum; gnathobase with three elements, filter comb with seven setae. Limb IV relatively short, six setae on the exopod; third seta plumose, short, about two times shorter than the second seta; flaming-torch setae on the distal endite not modified; gnathobase armed with a setulated setae shorter than the length of endite itself, filter comb with five setae. Limb V relatively short, setae 3-4 of exopod subequal in length; filter comb reduced, with one short seta in
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="4" pageNumber="99" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
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comb. n. and none in
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina siamensis" pageId="4" pageNumber="99" rank="species" species="siamensis">Magnospina siamensis</taxonomicName>
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comb. n.. Limb VI absent.
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</paragraph>
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<paragraph pageId="4" pageNumber="99">Adult male. Habitus smaller than female (Figure 27). Postabdomen strongly narrowing distally. Postabdominal claw short and ticker than female (Figures 30-31). Basal spine about half-length of postabdominal claw, with tip forked (Figure 31). Limb I with two setae on the IDL (en4), setae armed with denticles; male seta with tip slightly curved; copulatory hook with one projection on the tip (Figures 32-33).</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="100" pageId="4" pageNumber="99" type="differential diagnosis">
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<paragraph pageId="4" pageNumber="99">Differential diagnosis.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="100" pageId="4" pageNumber="99">
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The synapomorphies of
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="4" pageNumber="99" rank="genus">Magnospina</taxonomicName>
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gen. n. are (1) basal spines longer than 2/3 of postabdominal claw, (2) presence of 1-4 large denticles, broad at their bases, protruding downwards, without setules between them.
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="4" pageNumber="99" rank="genus">Magnospina</taxonomicName>
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gen. n. can also be differentiated from the genus
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<taxonomicName class="Branchiopoda" genus="Coronatella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coronatella" order="Diplostraca" pageId="4" pageNumber="99" phylum="Arthropoda" rank="genus">Coronatella</taxonomicName>
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because it has a distinctive rounded angle at 1/3 of the length of the ventral margin, marginal setae of valves differentiated in three groups, setae from anterior group markedly longer, wide rostrum, postabdomen narrowing distally; the males of
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<taxonomicName class="Branchiopoda" genus="Coronatella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coronatella" order="Diplostraca" pageId="4" pageNumber="99" phylum="Arthropoda" rank="genus">Coronatella</taxonomicName>
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do not bear two lateral aesthetascs on the antennules.
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="4" pageNumber="99" rank="genus">Magnospina</taxonomicName>
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gen. n. differs from
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<taxonomicName class="Branchiopoda" family="Chydoridae" genus="Anthalona" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Anthalona" order="Diplostraca" pageId="4" pageNumber="99" phylum="Arthropoda" rank="genus">Anthalona</taxonomicName>
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in the presence of a distinctive rounded angle at 1/3 of the length of the ventral margin, sacks underneath lateral head pores (cosmaria) being absent, shape of postabdomen, poorly developed setules of the lateral fascicles, morphology of IDL (which does not have specialized denticles), and armature of limb I; the males of
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<taxonomicName class="Branchiopoda" family="Chydoridae" genus="Anthalona" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Anthalona" order="Diplostraca" pageId="4" pageNumber="99" phylum="Arthropoda" rank="genus">Anthalona</taxonomicName>
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also do not
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<pageBreakToken pageId="5" pageNumber="100" start="start">bear</pageBreakToken>
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lateral aesthetascs on the antennules. The new genus differs from
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<taxonomicName class="Branchiopoda" genus="Karualona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Karualona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Karualona</taxonomicName>
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in the morphology of IDL setae, shape of the postabdomen, poorly developed setules of the lateral fascicles, seta on the exopod of limb II (present in
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
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gen. n. and absent in
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<taxonomicName class="Branchiopoda" genus="Karualona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Karualona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Karualona</taxonomicName>
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) and endite basal of limb IV armed with three flaming-torch; the antennule of
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<taxonomicName class="Branchiopoda" genus="Karualona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Karualona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Karualona</taxonomicName>
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males bear just one lateral aesthetasc.
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
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gen. n. is closer to
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<taxonomicName class="Branchiopoda" genus="Leberis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leberis" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Leberis</taxonomicName>
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according to
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<bibRefCitation author="Elias-Guttierez, M" journalOrPublisher="Zootaxa" pageId="13" pageNumber="108" pagination="1 - 42" title="DNA barcodes for Cladocera and Copepoda from Mexico and Guatemala, highlights and new discoveries." volume="1839" year="2008">
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<normalizedToken originalValue="Eliáz-Gutiérrez">Eliaz-Gutierrez</normalizedToken>
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et al. (2008)
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</bibRefCitation>
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; however, it is distinguished by the presence of long setae on anterior group of ventral margin of the carapace, in the morphology of setae 2-3 of the IDL (Figures 18-19), presence of seta on exopod of limb II, absence of a dorsal keel (Figures 1-5), and presence of a long basal spine on postabdominal claw of postabdomen (Figures 13-16); males of
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<taxonomicName class="Branchiopoda" genus="Leberis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leberis" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Leberis</taxonomicName>
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also do not bear denticles on the posteroventral corner of valves.
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<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
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gen. n. differs from
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<taxonomicName class="Branchiopoda" genus="Celsinotum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Celsinotum" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Celsinotum</taxonomicName>
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|
Frey, 1991 in the absence of a dorsal keel, absence of spine-like setae on the posterior portion of valves, presence of relatively long apical (endopod and exopod) and basal (endopod) spines on the segment of the antenna, long basal spine on the postadbominal claw, absence of a rudimentary seta (i) on endite 1 of limb I (in
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
|
|
gen. n. setae (i) is developed). The new genus differs clearly from
|
|
<taxonomicName class="Branchiopoda" family="Chydoridae" genus="Bergamina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bergamina" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Bergamina</taxonomicName>
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|
Elmoor-Loureiro, Santos-Wisniewski & Rocha, 2013 in morphology of postabdomen, presence of denticles on the posteroventral margin of valves and absence of anterior seta between endites 1-2 of limb I (see
|
|
<bibRefCitation author="Elmoor-Loureiro, LMA" journalOrPublisher="Zootaxa" pageId="13" pageNumber="108" pagination="571 - 581" title="Redescription of Alonellalineolata Sars, 1901 (Crustacea, Cladocera, Chydoridae) and its translocation to the subfamily Aloninae and to the new genus Bergamina gen. nov." url="10.11646/zootaxa.3630.3.11" volume="3630" year="2013">Elmoor-Loureiro et al. 2013</bibRefCitation>
|
|
).
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|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
|
|
gen. n. differs from
|
|
<taxonomicName class="Branchiopoda" genus="Extremalona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Extremalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Extremalona</taxonomicName>
|
|
Sinev & Shiel, 2012 in general morphology, presence of denticles on the posteroventral margin of valves, postabdomen morphology and armature of setae 2-3 of IDL; male of
|
|
<taxonomicName class="Branchiopoda" genus="Extremalona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Extremalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Extremalona</taxonomicName>
|
|
also bears six lateral aesthetascs on the antennules.
|
|
<taxonomicName class="Branchiopoda" genus="Ovalona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ovalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Ovalona</taxonomicName>
|
|
Van Damme & Dumont, 2008 has a well-developed seta 1 on the IDL, endite 1 of the limb I without seta (i) and exopod of the limb III armed with seven setae.
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
|
|
gen. n. does not present any of aforementioned morphological traits to
|
|
<taxonomicName class="Branchiopoda" genus="Ovalona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ovalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Ovalona</taxonomicName>
|
|
. Table 1 shows the main differences and similarities between genera of the
|
|
<taxonomicName class="Branchiopoda" genus="Coronatella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coronatella" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Coronatella</taxonomicName>
|
|
-branch.
|
|
</paragraph>
|
|
<caption pageId="5" pageNumber="100">
|
|
<paragraph pageId="5" pageNumber="100">
|
|
Figures 1-7.
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="5" pageNumber="100" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
|
|
comb. n., parthenogenetic female. 1habitus from Pantanal, Mato Grosso do Sul, Brazil 2habitus from
|
|
<normalizedToken originalValue="São">Sao</normalizedToken>
|
|
Paulo, Brazil 3-4habitus from San Pedro, Argentina parthenogenetic female adult from 5habitus, parthenogenetic female juvenile from San Pedro, Argentina 6 ventral margin of carapace from Distrito Federal, Brazil 7 denticles on the posteroventral margin of carapace. Scale bars: 50
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
.
|
|
</paragraph>
|
|
</caption>
|
|
<caption pageId="5" pageNumber="100">
|
|
<paragraph pageId="5" pageNumber="100">
|
|
Figures 8-15.
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="5" pageNumber="100" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
|
|
comb. n., parthenogenetic females. 8 head shield 9 main head pores, female juvenile 10 labral kell 11 antennule 12 antenna 13 -14 postabdomen 15 postabdominal claw. Scale bars: 50
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
.
|
|
</paragraph>
|
|
</caption>
|
|
<caption pageId="5" pageNumber="100">
|
|
<paragraph pageId="5" pageNumber="100">
|
|
Figures 16-26.
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="5" pageNumber="100" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
|
|
comb. n., adult parthenogenetic females. 16 limb I 17 limb I, gnathobase 18-19 limb I, IDL and ODL20 limb II 21 limb III, exopod 22 limb III, endites 23 limb IV, exopod 24 limb IV, endites 25 limb V 26 limb V, internal lobe. Scale bars: 50
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
.
|
|
</paragraph>
|
|
</caption>
|
|
<caption pageId="5" pageNumber="100">
|
|
<paragraph pageId="5" pageNumber="100">
|
|
Figures 27-33.
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="5" pageNumber="100" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
|
|
comb. n., adult male from Henrique Pond,
|
|
<normalizedToken originalValue="Brasília">Brasilia</normalizedToken>
|
|
National Park, Distrito Federal, Brazil. 27habitus28 antennule 29 antenna 30 postabdomen 31 postabdominal claw 32 limb I, IDL and ODL33 limb I, copulatory hook. Scale bars: 50
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(27-30); 25
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
(31-33).
|
|
</paragraph>
|
|
</caption>
|
|
<caption pageId="5" pageNumber="100">
|
|
<paragraph pageId="5" pageNumber="100">
|
|
Table 1. Main differences and similarities between genera related to
|
|
<taxonomicName class="Branchiopoda" genus="Coronatella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coronatella" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Coronatella</taxonomicName>
|
|
-branch. To date, there is no description of males of
|
|
<taxonomicName class="Branchiopoda" family="Chydoridae" genus="Bergamina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bergamina" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Bergamina</taxonomicName>
|
|
. From
|
|
<taxonomicName class="Branchiopoda" genus="Karualona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Karualona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Karualona</taxonomicName>
|
|
, only the male of
|
|
<taxonomicName class="Branchiopoda" genus="Karualona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Karualona iberica" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="species" species="iberica">Karualona iberica</taxonomicName>
|
|
is known (see
|
|
<bibRefCitation author="Alonso, MJ" journalOrPublisher="Journal of Crustacean Biology" pageId="13" pageNumber="108" pagination="453 - 476" title="Alonaiberica, New species: First Evidence of Noncosmopolitanism within the A. karua complex (Cladocera: Chydoridae)." url="10.2307/1548571" volume="9" year="1989">Alonso and Pretus 1989</bibRefCitation>
|
|
). From
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
|
|
gen. n., only the male of
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina dentifera" pageId="5" pageNumber="100" rank="species" species="dentifera">Magnospina dentifera</taxonomicName>
|
|
comb. n. is known.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="5" pageNumber="100">
|
|
<table pageId="5" pageNumber="100">
|
|
<tr pageId="5" pageNumber="100">
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" genus="Extremalona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Extremalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Extremalona</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" genus="Ovalona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ovalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Ovalona</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" genus="Leberis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leberis" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Leberis</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" genus="Celsinotum" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Celsinotum" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Celsinotum</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName genus="Magnospina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Magnospina" pageId="5" pageNumber="100" rank="genus">Magnospina</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" genus="Coronatella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coronatella" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Coronatella</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" family="Chydoridae" genus="Anthalona" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Anthalona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Anthalona</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" genus="Karualona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Karualona" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Karualona</taxonomicName>
|
|
</th>
|
|
<th colspan="1" pageId="5" pageNumber="100" rowspan="1">
|
|
<taxonomicName class="Branchiopoda" family="Chydoridae" genus="Bergamina" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bergamina" order="Diplostraca" pageId="5" pageNumber="100" phylum="Arthropoda" rank="genus">Bergamina</taxonomicName>
|
|
</th>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">Female characters</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">A2</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">PA</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">PA</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">PA</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">IDL</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">IDL</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">Male characters</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">A1</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">PA</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">PA</td>
|
|
</tr>
|
|
<tr pageId="5" pageNumber="100">
|
|
<td colspan="1" pageId="5" pageNumber="100" rowspan="1">PA</td>
|
|
</tr>
|
|
</table>
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |