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<mods:title id="B0E2CF53B04E5781B36C02DCCD3B67EF">Two new terebellid polychaetes (Polychaeta: Terebellidae) from the state of São Paulo, southeastern Brazil</mods:title>
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<mods:namePart id="764D2025A5EFF2BB365934549F8E491A">Nogueira, João Miguel De Matos</mods:namePart>
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<mods:namePart id="7147152B69F7166055CB3B4B52BF64B8">Alves, Tarsila Montrezoro</mods:namePart>
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<subSubSection id="94DEFDDCFF8BFFE21D40F954FAF3F8C2" pageId="2" pageNumber="33" type="nomenclature">
<paragraph id="DC7BAE57FF8BFFE21D40F954FC07F88A" blockId="2.[264,993,1782,1808]" box="[264,993,1782,1808]" pageId="2" pageNumber="33">
<heading id="8733193BFF8BFFE21D40F954FC07F88A" bold="true" box="[264,993,1782,1808]" fontSize="11" level="1" pageId="2" pageNumber="33" reason="1">
<emphasis id="EEB07245FF8BFFE21D40F954FC07F88A" bold="true" box="[264,993,1782,1808]" pageId="2" pageNumber="33">
<taxonomicName id="1BC4D5D4FF8BFFE21D40F954FC85F88A" ID-CoL="84SZB" authority="Hutchings and Murray, 1984" authorityName="Hutchings and Murray" authorityYear="1984" box="[264,867,1782,1808]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="33" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8BFFE21D40F954FE17F88A" bold="true" box="[264,497,1782,1808]" italics="true" pageId="2" pageNumber="33">Pseudostreblosoma</emphasis>
<bibRefCitation id="B855D3A6FF8BFFE21DB0F954FC85F88A" author="Hutchings" box="[504,867,1782,1808]" pageId="2" pageNumber="53" refString="Hutchings, P. &amp; Murray, A. (1984) Taxonomy of polychaetes from the Hawkesbury River and the southern estuaries of New South Wales, Australia. Records of the Australian Museum, 36 (3), 1 - 118." type="journal article" year="1984">Hutchings and Murray, 1984</bibRefCitation>
</taxonomicName>
, emended
</emphasis>
</heading>
</paragraph>
<paragraph id="DC7BAE57FF8BFFE21D40F8E3FAF3F8C2" blockId="2.[264,1301,1857,1881]" box="[264,1301,1857,1881]" pageId="2" pageNumber="33">
Type­species:
<taxonomicName id="1BC4D5D4FF8BFFE21DE9F8E0FBF6F8C2" authority="Hutchings and Murray, 1984" authorityName="Hutchings and Murray" authorityYear="1984" box="[417,1040,1857,1881]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="2" pageNumber="33" phylum="Annelida" rank="species" species="serratum">
<emphasis id="EEB07245FF8BFFE21DE9F8E0FD31F8C3" box="[417,727,1858,1881]" italics="true" pageId="2" pageNumber="33">Pseudostreblosoma serratum</emphasis>
<bibRefCitation id="B855D3A6FF8BFFE21E96F8E3FBF6F8C2" author="Hutchings" box="[734,1040,1857,1880]" pageId="2" pageNumber="53" refString="Hutchings, P. &amp; Murray, A. (1984) Taxonomy of polychaetes from the Hawkesbury River and the southern estuaries of New South Wales, Australia. Records of the Australian Museum, 36 (3), 1 - 118." type="journal article" year="1984">Hutchings and Murray, 1984</bibRefCitation>
</taxonomicName>
by original designation.
</paragraph>
</subSubSection>
<subSubSection id="94DEFDDCFF8AFFE31D40FEBEFDD6FC8C" pageId="3" pageNumber="34" type="diagnosis">
<paragraph id="DC7BAE57FF8AFFE31D40FEBEFE99FEAF" blockId="3.[264,1322,284,790]" box="[264,383,284,309]" pageId="3" pageNumber="34">
<emphasis id="EEB07245FF8AFFE31D40FEBEFE99FEAF" box="[264,383,284,309]" italics="true" pageId="3" pageNumber="34">Diagnosis</emphasis>
</paragraph>
<paragraph id="DC7BAE57FF8AFFE31D70FEE6FDD6FC8C" blockId="3.[264,1322,284,790]" pageId="3" pageNumber="34">Upper lip short and rounded, lower lip restricted to oral area. Basal part of prostomium bearing eyespots. Lobes on anterior segments sometimes present. Three pairs of branchiae formed by numerous simple filaments. Notopodia from segment 2, extending for a variable number of segments. Each notopodium with two rows of chaetae; chaetae on posterior row distinctly longer than chaetae on anterior row. On anterior notopodia, chaetae on both rows as smooth, limbate capillaries; on posterior notopodia, chaetae on anterior row of notochaetae as serrated capillaries, with elongated and thin blades, and chaetae on posterior row of notochaetae as smooth, limbate capillaries. Neuropodia from segment 5 until near pygidium, uncini in single rows throughout. Uncini high (considered as the distance from top of crest to bottom of base) and elongated (considered as the distance from end of heel to end of prow), heel and prow conspicuous, dorsal button away from the anterior margin.</paragraph>
</subSubSection>
<subSubSection id="94DEFDDCFF8AFFE41D40FCEEFAC7FEC4" lastPageId="4" lastPageNumber="35" pageId="3" pageNumber="34" type="discussion">
<paragraph id="DC7BAE57FF8AFFE31D40FCEEFE88FCFF" blockId="3.[264,1323,844,1830]" box="[264,366,844,869]" pageId="3" pageNumber="34">
<emphasis id="EEB07245FF8AFFE31D40FCEEFE88FCFF" box="[264,366,844,869]" italics="true" pageId="3" pageNumber="34">Remarks</emphasis>
</paragraph>
<paragraph id="DC7BAE57FF8AFFE31D70FCD6FCF3FBE4" blockId="3.[264,1323,844,1830]" pageId="3" pageNumber="34">
<bibRefCitation id="B855D3A6FF8AFFE31D70FCD6FD53FC14" author="Hutchings" box="[312,693,884,910]" pageId="3" pageNumber="53" refString="Hutchings, P. &amp; Murray, A. (1984) Taxonomy of polychaetes from the Hawkesbury River and the southern estuaries of New South Wales, Australia. Records of the Australian Museum, 36 (3), 1 - 118." type="journal article" year="1984">Hutchings and Murray (1984)</bibRefCitation>
erected
<taxonomicName id="1BC4D5D4FF8AFFE31F65FCD6FBF4FC17" box="[813,1042,884,909]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8AFFE31F65FCD6FBF4FC17" box="[813,1042,884,909]" italics="true" pageId="3" pageNumber="34">Pseudostreblosoma</emphasis>
</taxonomicName>
to accommodate one species which was otherwise similar to
<taxonomicName id="1BC4D5D4FF8AFFE31EABFC3EFC1BFC2C" authority="Sars, 1872" authorityName="Sars" authorityYear="1872" box="[739,1021,924,950]" class="Polychaeta" family="Terebellidae" genus="Streblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8AFFE31EABFC3EFC95FC2F" box="[739,883,924,949]" italics="true" pageId="3" pageNumber="34">Streblosoma</emphasis>
Sars, 1872
</taxonomicName>
, but had serrated chaetae and “Amphitritinae­like” (= Terebellinae­like) uncini, with conspicuous heel and prow, and dorsal button situated subdistally. Later,
<bibRefCitation id="B855D3A6FF8AFFE31F6CFC4EFB63FB9C" author="Hutchings" box="[804,1157,1004,1030]" pageId="3" pageNumber="53" refString="Hutchings, P. &amp; Glasby, C. (1987) The Thelepinae (Terebellidae) from Australia, with a discussion of the generic and specific characters of the subfamily. Bulletin of the Biological Society of Washington, 7, 217 - 250." type="journal article" year="1987">Hutchings and Glasby (1987)</bibRefCitation>
emended the diagnosis of the genus, noticing that smooth (= limbate) capillaries were also present, and included a species from the Arabian Gulf, which had originally been described as
<taxonomicName id="1BC4D5D4FF8AFFE31D40FBC6FE7EFBE7" box="[264,408,1124,1149]" class="Polychaeta" family="Terebellidae" genus="Streblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8AFFE31D40FBC6FE7EFBE7" box="[264,408,1124,1149]" italics="true" pageId="3" pageNumber="34">Streblosoma</emphasis>
</taxonomicName>
,
<taxonomicName id="1BC4D5D4FF8AFFE31DEFFBC6FCF7FBE4" authority="Mohammed, 1973" authorityName="Mohammed" authorityYear="1973" box="[423,785,1124,1150]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="species" species="longum">
<emphasis id="EEB07245FF8AFFE31DEFFBC6FDFAFBE7" box="[423,540,1124,1149]" italics="true" pageId="3" pageNumber="34">P. longum</emphasis>
(
<bibRefCitation id="B855D3A6FF8AFFE31E63FBC6FCEEFBE4" author="Mohammed" box="[555,776,1124,1150]" pageId="3" pageNumber="53" refString="Mohammed, M. B. M. (1973) New species and records of polychaete annelids from Kuwait, Arabian Gulf. Zoological Journal of the Linnean Society, 52, 23 - 44." type="journal article" year="1973">Mohammed, 1973</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
<paragraph id="DC7BAE57FF8AFFE31D70FB2EFB8AF9AC" blockId="3.[264,1323,844,1830]" pageId="3" pageNumber="34">
The uncini of
<taxonomicName id="1BC4D5D4FF8AFFE31D96FB2EFD24FB3F" box="[478,706,1164,1189]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8AFFE31D96FB2EFD24FB3F" box="[478,706,1164,1189]" italics="true" pageId="3" pageNumber="34">Pseudostreblosoma</emphasis>
</taxonomicName>
, as confirmed in the present paper, are very unusual for a
<taxonomicName id="1BC4D5D4FF8AFFE31D02FB16FE0BFB54" box="[330,493,1204,1230]" class="Polychaeta" family="Terebellidae" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="subFamily" subFamily="Thelepodinae">Thelepodinae</taxonomicName>
. Although still being longer than high, as typical of the uncini of the subfamily, they have a short posterior heel, developed prow and dorsal button away from the anterior margin of uncini, all these characters being characteristic of the uncini of
<taxonomicName id="1BC4D5D4FF8AFFE31D40FA8EFE7AFADC" box="[264,412,1324,1350]" class="Polychaeta" family="Terebellidae" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="subFamily" subFamily="Terebellinae">Terebellinae</taxonomicName>
, as commented on by
<bibRefCitation id="B855D3A6FF8AFFE31EEAFA8EFBE3FADC" author="Hutchings" box="[674,1029,1324,1350]" pageId="3" pageNumber="53" refString="Hutchings, P. &amp; Murray, A. (1984) Taxonomy of polychaetes from the Hawkesbury River and the southern estuaries of New South Wales, Australia. Records of the Australian Museum, 36 (3), 1 - 118." type="journal article" year="1984">Hutchings and Murray (1984)</bibRefCitation>
. However, in spite of the atypical position of the dorsal button of the uncini of
<taxonomicName id="1BC4D5D4FF8AFFE31FCBFAF6FB81FAF7" box="[899,1127,1364,1389]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8AFFE31FCBFAF6FB81FAF7" box="[899,1127,1364,1389]" italics="true" pageId="3" pageNumber="34">Pseudostreblosoma</emphasis>
</taxonomicName>
, its morphology is similar to that of other species of
<taxonomicName id="1BC4D5D4FF8AFFE31EE7FADEFCB4FA0C" box="[687,850,1404,1430]" class="Polychaeta" family="Terebellidae" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="subFamily" subFamily="Thelepodinae">Thelepodinae</taxonomicName>
, a small circle of low bristles projecting for a short extension above the integument (
<figureCitation id="44FFB2D2FF8AFFE31F5AFA06FCBFFA24" box="[786,857,1444,1470]" captionStart="FIGURE 4" captionStartId="8.[264,368,1317,1341]" captionTargetBox="[319,1277,328,1300]" captionTargetId="figure@8.[317,1279,326,1310]" captionTargetPageId="8" captionText="FIGURE 4. Pseudostreblosoma brevitentaculatum sp. nov .. A: posterior thoracic neuropodium; B: uncini, segment 5; C F: posterior thoracic uncini; arrows point to dorsal buttons. Scale bars: A: 70 µm; B, C, F: 6 µm; D: 4 µm; E: 5 µm." httpUri="https://zenodo.org/record/172371/files/figure.png" pageId="3" pageNumber="34">Fig. 4</figureCitation>
BF), as shown in several other studies which included SEMs of uncini of species of thelepodines (
<bibRefCitation id="B855D3A6FF8AFFE31FABFA6EFAC0FA7C" author="Hutchings" box="[995,1318,1484,1510]" pageId="3" pageNumber="53" refString="Hutchings, P. &amp; Glasby, C. (1987) The Thelepinae (Terebellidae) from Australia, with a discussion of the generic and specific characters of the subfamily. Bulletin of the Biological Society of Washington, 7, 217 - 250." type="journal article" year="1987">Hutchings &amp; Glasby 1987</bibRefCitation>
,
<bibRefCitation id="B855D3A6FF8AFFE31D40FA56FDD1F994" author="Nogueira" box="[264,567,1524,1550]" pageId="3" pageNumber="53" refString="Nogueira, J. M. M. &amp; Amaral, A. C. Z. (2001) New terebellids (Polychaeta: Terebellidae) living in colonies of a stony coral in the state of Sao Paulo, Brazil. Proceedings of the Biological Society of Washington, 114 (1), 285 - 296." type="journal article" year="2001">Nogueira &amp; Amaral 2001</bibRefCitation>
,
<bibRefCitation id="B855D3A6FF8AFFE31E0BFA56FCD3F994" author="Nogueira" box="[579,821,1524,1550]" pageId="3" pageNumber="53" refString="Nogueira, J. M. M., Garraffoni, A. R. S. &amp; Alves, T. M. (2004) A new species of Streblosoma Sars, 1872 (Polychaeta, Terebellidae, Thelepodinae) from Brazil, with comments on Streblosoma oligobranchiatum Nogueira &amp; Amaral, 2001. Beaufortia, 54 (7), 93 - 103." type="journal article" year="2004">
Nogueira
<emphasis id="EEB07245FF8AFFE31EFFFA56FD14F997" box="[695,754,1524,1549]" italics="true" pageId="3" pageNumber="34">et al.</emphasis>
2004
</bibRefCitation>
) instead of a tuft of longer bristles holding the tip of main fang, as typical of the uncini of
<taxonomicName id="1BC4D5D4FF8AFFE31F78F9BEFC26F9AC" box="[816,960,1564,1590]" class="Polychaeta" family="Terebellidae" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="subFamily" subFamily="Terebellinae">Terebellinae</taxonomicName>
(
<figureCitation id="44FFB2D2FF8AFFE31F98F9BEFBC6F9AC" box="[976,1056,1564,1590]" captionStart="FIGURE 8" captionStartId="18.[264,368,1555,1579]" captionTargetBox="[301,1290,338,1537]" captionTargetId="figure@18.[299,1292,326,1557]" captionTargetPageId="18" captionText="FIGURE 8. Phisidia rubra sp. nov. A: uncini, segment 5; B: uncini, segment 10; C D: uncini, segment 13; E: uncini, segment 21 (first segment after the ending of the uncini arranged in double rows); F: detail of the uncini of segment 21; G: posterior abdominal uncini; H: detail of posterior abdominal uncini. Scale bars: A, E, G H: 2 µm; B: 3 µm; C D: 4 µm; F: 1.5 µm." httpUri="https://zenodo.org/record/172375/files/figure.png" pageId="3" pageNumber="34">Figs. 8</figureCitation>
AH).
</paragraph>
<paragraph id="DC7BAE57FF8AFFE31D70F9E6FB43F8BC" blockId="3.[264,1323,844,1830]" pageId="3" pageNumber="34">
The diagnosis of the genus is now emended again, to allow for the presence of lobes on anterior segments, a feature of the Brazilian species described below. Lobes on anterior segments have been referred to in the literature as “lateral lobes”, or “lateral lappets”, however we consider these terms misleading because such lobes are often situated ventrolaterally or even mid­ventrally, instead of laterally, as in the case of the mid­ventral lobe on segment 1 of the new species of
<taxonomicName id="1BC4D5D4FF8AFFE31EE2F8AEFC69F8BF" box="[682,911,1804,1829]" class="Polychaeta" family="Terebellidae" genus="Pseudostreblosoma" kingdom="Animalia" order="Terebellida" pageId="3" pageNumber="34" phylum="Annelida" rank="genus">
<emphasis id="EEB07245FF8AFFE31EE2F8AEFC69F8BF" box="[682,911,1804,1829]" italics="true" pageId="3" pageNumber="34">Pseudostreblosoma</emphasis>
</taxonomicName>
described in this paper.
</paragraph>
<paragraph id="DC7BAE57FF8DFFE41D70FEBEFAC7FEC4" blockId="4.[264,1323,284,350]" pageId="4" pageNumber="35">The most important features to characterise this genus are the segments on which the noto­ and neuropodia begin, and the morphology of notochaetae and neurochaetal uncini.</paragraph>
</subSubSection>
</treatment>
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