229 lines
24 KiB
XML
229 lines
24 KiB
XML
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<mods:title id="A5525B6F87350D405B74D0DEDA2D0AE2">Diversity of Orbiniella (Orbiniidae, Annelida) in the North Atlantic and the Arctic</mods:title>
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<mods:namePart id="5884A396D7FF302EEBA09BC4DAB3AC90">Meca, Miguel A.</mods:namePart>
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<mods:affiliation id="755599AC72DBF2ABFE0655FBCB9A3FD3">Department of Natural History, University Museum of Bergen, University of Bergen, Bergen, Norway</mods:affiliation>
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<mods:affiliation id="470112806B8DC845039CBC45E52ED5C1">Department of Natural History, University Museum of Bergen, University of Bergen, Bergen, Norway</mods:affiliation>
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<mods:namePart id="59DE63A9C60AA780135A6E4FA2A04D46">Kongshavn, Katrine</mods:namePart>
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<mods:affiliation id="3D54921EC73CC68D50FAA258857760F1">Department of Natural History, University Museum of Bergen, University of Bergen, Bergen, Norway</mods:affiliation>
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<mods:number id="660BA7D6E7CB60E299E41E3DAB0C2852">2024-06-20</mods:number>
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<treatment id="D63DC3856406532E9F0426957C160FA9" ID-DOI="http://doi.org/10.5281/zenodo.12190919" ID-GBIF-Taxon="233241178" ID-Zenodo-Dep="12190919" ID-arpha="D63DC385-6406-532E-9F04-26957C160FA9" LSID="urn:lsid:plazi:treatment:D63DC3856406532E9F0426957C160FA9" httpUri="http://treatment.plazi.org/id/D63DC3856406532E9F0426957C160FA9">
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<subSubSection id="E3C0DE2F1FD45C975DA83957DEABDD83" type="nomenclature">
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<taxonomicName id="8CC85F5D574111BB88BE5A9EB2BCE801" ID-CoL="84RBM" authority="Day, 1954" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" order="Orbiniida" phylum="Annelida" rank="genus">
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<emphasis id="AF0C598661BB9BA3B0889B7AB1F1D99F" italics="true">Orbiniella</emphasis>
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<bibRefCitation id="EE3CAF68180852C3C2D52ABD5B6C5037" author="Day JH" refId="B12" refString="Day JH (1954) The Polychaeta of Tristan da Cunha 1937 - 1938. Results of the Norwegian Expedition to Tristan da Cunha 1937 - 1938 (29): 1 - 35." year="1954">Day, 1954</bibRefCitation>
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</taxonomicName>
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</paragraph>
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<treatmentCitation id="A2CA5E86724BED36B2D85C24AC8ED8C1" author="Hartman O" page="109" year="1967">
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<taxonomicName id="B27D94CB17AE371C752BAFEFC98F5BCF" ID-CoL="BFFBZ" authority="Hartman, 1967: 109" authorityName="Hartman" authorityPageNumber="109" authorityYear="1967" class="Polychaeta" family="Orbiniidae" genus="Falklandiella" kingdom="Animalia" order="Orbiniida" phylum="Annelida" rank="genus">
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<emphasis id="7693C99DB68275327A17FAF33EFC1BC5" italics="true">Falklandiella</emphasis>
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<comment id="359C9665D55C408035AA1AA43868CE3E">
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<bibRefCitation id="F8688B533918D313145E1C3494E4EDC2" author="Hartman O" journalOrPublisher="Allan Hancock Monographs in Marine Biology" pagination="1-387" refId="B17" refString="Hartman O (1967) Polychaetous annelids collected by the USNS Eltanin and Staten Island cruises, chiefly from Antarctic seas. Allan Hancock Monographs in Marine Biology 2: 1 - 387." title="Polychaetous annelids collected by the USNS Eltanin and Staten Island cruises, chiefly from Antarctic seas." volume="2" year="1967">Hartman, 1967: 109</bibRefCitation>
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. Fide
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<treatmentCitation id="1EC552FA1A29CCA51953360E32CF0D80" author="Parapar J & Moreira J & Helgason GV" page="333" year="2015">
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<bibRefCitation id="38EF74E5802C14D70C10BE6283E2078C" DOI="10.11646/zootaxa.4006.2.5" author="Parapar J & Moreira J & Helgason GV" etAl="et al." firstAuthor="Parapar" issue="2" journalOrPublisher="Zootaxa" page="333" pagination="330-346" refId="B29" refString="Parapar J, Moreira J, Helgason GV (2015) First record of genus Orbiniella Day, 1954 (Polychaeta: Orbiniidae) in North Atlantic Ocean with the description of a new species. Zootaxa 4006 (2): 330–346. https://doi.org/10.11646/zootaxa.4006.2.5" title="First record of genus Orbiniella Day, 1954 (Polychaeta: Orbiniidae) in North Atlantic Ocean with the description of a new species." volume="4006" year="2015">Parapar et al. 2015: 333</bibRefCitation>
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</treatmentCitation>
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.
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</comment>
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</taxonomicName>
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</treatmentCitation>
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</paragraph>
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<paragraph id="9614544E41A2AB948FA3495B58C59B7A">
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<treatmentCitationGroup id="69E8D083F62739DC64244E586EBB0C17">
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<treatmentCitation id="AE90C4AC7987E2A395B28A310E9B9DCF" ID-DOI="http://doi.org/10.5281/zenodo.5661908" ID-Zenodo-Dep="5661908" author="Parapar J & Moreira J & Helgason GV" httpUri="http://treatment.plazi.org/id/C268879DFF847232E0AAECBEFCADE639" page="333" year="2015">
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<taxonomicName id="EFAAFF709BBB5B466B4CC101F94C5054" ID-CoL="84RBM" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" order="Orbiniida" phylum="Annelida" rank="genus">
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<emphasis id="06896857C4E17CBDFFE665DD62401EDE" italics="true">Orbiniella</emphasis>
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</taxonomicName>
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<comment id="296C3E2781B471FED39FECB7D307A08A">
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–
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||
<bibRefCitation id="553AF8739BD99FAE08ED45042D1E7F66" DOI="10.11646/zootaxa.4006.2.5" author="Parapar J & Moreira J & Helgason GV" etAl="et al." firstAuthor="Parapar" issue="2" journalOrPublisher="Zootaxa" page="333" pagination="330-346" refId="B29" refString="Parapar J, Moreira J, Helgason GV (2015) First record of genus Orbiniella Day, 1954 (Polychaeta: Orbiniidae) in North Atlantic Ocean with the description of a new species. Zootaxa 4006 (2): 330–346. https://doi.org/10.11646/zootaxa.4006.2.5" title="First record of genus Orbiniella Day, 1954 (Polychaeta: Orbiniidae) in North Atlantic Ocean with the description of a new species." volume="4006" year="2015">Parapar et al. 2015: 333</bibRefCitation>
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;
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<treatmentCitation id="27944D4BFE9A66E41EFCCAC3A1AD214C" author="Blake JA" page="109" year="2017">
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<bibRefCitation id="F4BCBC44A715AA6E0AD095656D8D9E46" DOI="10.11646/zootaxa.4218.1.1" author="Blake JA" firstAuthor="Blake" issue="1" journalOrPublisher="Zootaxa" page="109" pagination="1-145" refId="B1" refString="Blake JA (2017) Polychaeta Orbiniidae from antarctica, the Southern Ocean, the Abyssal pacific Ocean, and off South America. Zootaxa 4218 (1): 1–145. https://doi.org/10.11646/zootaxa.4218.1.1" title="Polychaeta Orbiniidae from antarctica, the Southern Ocean, the Abyssal pacific Ocean, and off South America." volume="4218" year="2017">Blake 2017: 109</bibRefCitation>
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</treatmentCitation>
|
||
;
|
||
<treatmentCitation id="4B27F851DC30086E299A7F315BA60A42" author="Blake JA" page="38" year="2020">
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<bibRefCitation id="C86C73C16DE756040D62B888E56FEE4F" DOI="10.11646/zootaxa.4730.1.1" author="Blake JA" firstAuthor="Blake" issue="1" journalOrPublisher="Zootaxa" page="38" pagination="1-61" refId="B2" refString="Blake JA (2020) New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea. Zootaxa 4730 (1): 1–61. https://doi.org/10.11646/zootaxa.4730.1.1" title="New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea." volume="4730" year="2020">Blake 2020: 38</bibRefCitation>
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</treatmentCitation>
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;
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||
<treatmentCitation id="BC993021ACCAB92C68DD4B9C9CA624F3" author="Blake JA" page="99" year="2021">
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||
<bibRefCitation id="FCD492C86F772098BF4623B1A595E47F" DOI="10.11646/zootaxa.4930.1.1" author="Blake JA" firstAuthor="Blake" issue="1" journalOrPublisher="Zootaxa" page="99" pagination="1-123" refId="B3" refString="Blake JA (2021) New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean. Zootaxa 4930 (1): 1–123. https://doi.org/10.11646/zootaxa.4930.1.1" title="New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean." volume="4930" year="2021">Blake 2021: 99</bibRefCitation>
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</treatmentCitation>
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||
.
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||
</comment>
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||
</treatmentCitation>
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</treatmentCitationGroup>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="SECID0EOTAE" type="type_taxon">
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||
<paragraph id="376E921EE8CE7453F51277430B0843D2">
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||
<heading id="4BD0352F3BE58205CC427E74569D2466" reason="title">Type species.</heading>
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</paragraph>
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<paragraph id="E3A01956D6294BDC72BE2D994FD7B9AC">
|
||
<taxonomicName id="11713F0C85EE0D4B00E2043478FCC6A3" authority="Day, 1954" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="species" species="minuta">
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||
<emphasis id="61504D9352FC1D04CFE0DDEDF8F7653A" italics="true">Orbiniella minuta</emphasis>
|
||
<bibRefCitation id="DB197DF689FDBA93FACC40FD3FF154E9" author="Day JH" refId="B12" refString="Day JH (1954) The Polychaeta of Tristan da Cunha 1937 - 1938. Results of the Norwegian Expedition to Tristan da Cunha 1937 - 1938 (29): 1 - 35." year="1954">Day, 1954</bibRefCitation>
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</taxonomicName>
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||
, by monotypy.
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||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0E6TAE" type="diagnosis">
|
||
<paragraph id="4BD6AD18A3E1A0EB5183772E09950D3D">
|
||
<heading id="00F6E86F70D2C5A5838706BC1EAC25A8" reason="title">Diagnosis</heading>
|
||
</paragraph>
|
||
<paragraph id="96F6F2FC496ED82C1D78ADF259094B90">
|
||
(emended from
|
||
<bibRefCitation id="84A884F969D1E680F232AD68D4559473" DOI="10.11646/zootaxa.4930.1.1" author="Blake" firstAuthor="Blake" issue="1" journalOrPublisher="Zootaxa" pagination="1-123" refId="B3" refString="Blake JA (2021) New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean. Zootaxa 4930 (1): 1–123. https://doi.org/10.11646/zootaxa.4930.1.1" title="New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean." volume="4930" year="2021">Blake 2021</bibRefCitation>
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||
). Body usually elongated, not divided into thorax and abdomen. In some species segmental size can change gradually between anterior and posterior body. Prostomium broad or elongate with rounded anterior margin. One pair of nuchal organs usually present, sometimes pigmented. Eyes present or absent. Peristomium usually bearing two segments. Secondary annulation present with segments being uniannulate, biannulate, triannulate, or quadriannulate. Parapodia biramous with only simple postchaetal lobes, or these entirely absent. Capillary noto- and neurochaetae always crenulated or weakly crenulated with pointed tips; prominent acicular spines present in neuropodia and, usually, also in notopodia; furcate chaetae absent. Branchiae absent. Pygidium with two or four anal lobes, with or without cirri.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="SECID0EJUAE" type="remarks">
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<paragraph id="0958F8202596091A56276798D0FB8D59">
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||
<heading id="AEA14E226FE1CB8FA4F0306FB2473F2E" reason="title">Remarks.</heading>
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||
</paragraph>
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||
<paragraph id="177D0C52DF960340DDCD0FF4461B7B40">
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||
Blake reviewed
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||
<taxonomicName id="5F1EBC72A9DF5A6856FC56DA4297419F" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="genus">
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<emphasis id="8B8F9C979D9AEB6304A868B576007A0B" italics="true">Orbiniella</emphasis>
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||
</taxonomicName>
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||
in his monographs from 2017, 2020 and 2021, updating its generic diagnosis and the checklist of species. He reported segmental annulation pattern as a key character to separate
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<taxonomicName id="EAB093483679E3C587CE1EB6C70FB22E">
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||
<emphasis id="E94D83EE83A811DB1B81A53177626482" italics="true">Orbiniella</emphasis>
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species
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</taxonomicName>
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(
|
||
<bibRefCitation id="A7A0ACD440E8625FC603036E284573C0" DOI="10.11646/zootaxa.4730.1.1" author="Blake" firstAuthor="Blake" issue="1" journalOrPublisher="Zootaxa" pagination="1-61" refId="B2" refString="Blake JA (2020) New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea. Zootaxa 4730 (1): 1–61. https://doi.org/10.11646/zootaxa.4730.1.1" title="New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea." volume="4730" year="2020">Blake 2020</bibRefCitation>
|
||
), but this character was not included in the generic diagnosis. Similarly,
|
||
<bibRefCitation id="083936D2867C57694E781AD58ADF9AB6" DOI="10.11646/zootaxa.4730.1.1" author="Blake JA" firstAuthor="Blake" issue="1" journalOrPublisher="Zootaxa" pagination="1-61" refId="B2" refString="Blake JA (2020) New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea. Zootaxa 4730 (1): 1–61. https://doi.org/10.11646/zootaxa.4730.1.1" title="New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea." volume="4730" year="2020">Blake (2020)</bibRefCitation>
|
||
also reported and illustrated the anal lobes and cirri in the species descriptions without including them in the diagnosis. We consider these two characters, in combination with other characters discussed below, of high diagnostic value to separate
|
||
<taxonomicName id="99CF874D4F36E08E68FE6CB5B45AF204" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="35A2FC1E63AC6F825726AC36D6DF4281" italics="true">Orbiniella</emphasis>
|
||
</taxonomicName>
|
||
from other orbiniid genera and here we include them in the generic diagnosis of
|
||
<taxonomicName id="6A83D32BFEE96306A9BE944202F93B04" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="6568C10522F6D07D5CDF176BE2A3387D" italics="true">Orbiniella</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="5CCD2DFCA5C5EA8B4454FA64C844F466">
|
||
The main diagnostic characters to identify
|
||
<taxonomicName id="578CCF1BCAE2EB87E2B22A28B07E5516">
|
||
<emphasis id="B00541462E0B346D493AFD8810AA26C3" italics="true">Orbiniella</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
are absence of branchiae along with presence of acicular spines through the whole body, secondary annulation, and pygidium with or without anal cirri.
|
||
<taxonomicName id="1C8AAA97B1E0A4C83A2A8AF15C0F3ACC" authority="Hartman, 1965" authorityName="Hartman" authorityYear="1965" class="Polychaeta" family="Orbiniidae" genus="Microrbinia" kingdom="Animalia" phylum="Annelida" rank="species" species="linea">
|
||
<emphasis id="346420EE35B60B3191D820562E1FF9E4" italics="true">Microrbinia linea</emphasis>
|
||
Hartman, 1965
|
||
</taxonomicName>
|
||
, and some species of
|
||
<taxonomicName id="A54A0AC5DFF6DC171515DA6E7E917B84" authorityName="Hartman" authorityYear="1966" class="Polychaeta" family="Orbiniidae" genus="Questa" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="CAD6AF54608496183FAA7EA8FA7D02F3" italics="true">Questa</emphasis>
|
||
</taxonomicName>
|
||
also do not have branchiae; however, the former can be separated from
|
||
<taxonomicName id="2EE7D7915DD9550F7E2D53C390C52EA8" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="4D4E6D85B139A4A97D73F8A75425BC98" italics="true">Orbiniella</emphasis>
|
||
</taxonomicName>
|
||
by the presence of unusual long and serrated spines and the latter by the presence of bi- or tridentate crotchets. The other orbiniid having acicular spines through the whole body is
|
||
<taxonomicName id="A5A1F3B466C9FBE4FA2AADF79D2F067C" authority="Blake, 2000" authorityName="Blake" authorityYear="2000" class="Polychaeta" family="Orbiniidae" genus="Methanoaricia" kingdom="Animalia" phylum="Annelida" rank="species" species="dendrobranchiata">
|
||
<emphasis id="F67906B9051CBA5825414EAB50F2D7FA" italics="true">Methanoaricia dendrobranchiata</emphasis>
|
||
Blake, 2000
|
||
</taxonomicName>
|
||
. However, this species has very specialised morphology (i. e., elongate and narrow prostomium, long branched branchiae, long and cirriform parapodial lobes and pygidium with many anal cirri) and is easily distinguished. Secondary annulation has been reported also in some species of
|
||
<taxonomicName id="626A363065FDA8C19F95B580191EB9A5" authorityName="Hartman" authorityYear="1966" class="Polychaeta" family="Orbiniidae" genus="Questa" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="80726E2A7501B359F682B0FA7B4485FE" italics="true">Questa</emphasis>
|
||
</taxonomicName>
|
||
and in
|
||
<taxonomicName id="41176596DE81457BF841FBF9B540A161" authority="Hartman, 1965" authorityName="Hartman" authorityYear="1965" class="Polychaeta" family="Orbiniidae" genus="Microrbinia" kingdom="Animalia" phylum="Annelida" rank="species" species="linea">
|
||
<emphasis id="09AED53193CD2EABF58AFF6DDB0F1FA1" italics="true">Microrbinia linea</emphasis>
|
||
Hartman, 1965
|
||
</taxonomicName>
|
||
, but they can be separated from
|
||
<taxonomicName id="C1D58755F3C88AD36EB599BDE484C7C5" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="CD54B537410277D6021C756952884D91" italics="true">Orbiniella</emphasis>
|
||
</taxonomicName>
|
||
by their unique chaetae mentioned before. Most orbiniids bear two or four (rarely many) anal cirri in the pygidium, and only some
|
||
<taxonomicName id="5F0B402A019BA650D4FAC965BEBB0F92" authorityName="Day" authorityYear="1954" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="A23390AC88ABC9E57378D246C437423A" italics="true">Orbiniella</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="C49F50EB5130FFA7D651696A1E1710E9" authorityName="Hartman" authorityYear="1966" class="Polychaeta" family="Orbiniidae" genus="Questa" kingdom="Animalia" phylum="Annelida" rank="genus">
|
||
<emphasis id="6A6368C4DECD5D796DD72ACCFA23D5BF" italics="true">Questa</emphasis>
|
||
</taxonomicName>
|
||
show no anal cirri, being a unique feature of both genera.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |