217 lines
31 KiB
XML
217 lines
31 KiB
XML
<document id="734AB63084E4E8DA72E2A7BD1AAB5C80" ID-DOI="10.5281/zenodo.174287" ID-GBIF-Dataset="26ac73b9-1c53-4f82-bc02-78a055ba31e9" ID-ISSN="1175-5326" ID-Zenodo-Dep="174287" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459794690970" checkinUser="plazi" docAuthor="Hooge, Matthew D. & Rocha, Carlos E. F." docDate="2006" docId="03DE87D4E625FFB7FE841652FB3DFC83" docLanguage="en" docName="zt01335p050.pdf" docOrigin="Zootaxa 1335" docStyle="DocumentStyle:FA7E419B012A62B0FC3AC15A186C3DAF.3:Zootaxa.2001-2006.journal_article" docStyleId="FA7E419B012A62B0FC3AC15A186C3DAF" docStyleName="Zootaxa.2001-2006.journal_article" docStyleVersion="3" docTitle="Philactinoposthia stylifera subsp. brasiliensis Hooge & Rocha, 2006, subsp. nov." docType="treatment" docVersion="9" lastPageNumber="12" masterDocId="FFE7FFACE62DFFBCFF8C140EFF97FFE5" masterDocTitle="Acoela (Acoelomorpha) from the northern beaches of the state of São Paulo, Brazil, and a systematic revision of the family Otocelididae" masterLastPageNumber="50" masterPageNumber="1" pageNumber="9" updateTime="1698219545359" updateUser="plazi">
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<mods:title id="AA73A7F39CAFDF83528A90DB22188A35">Acoela (Acoelomorpha) from the northern beaches of the state of São Paulo, Brazil, and a systematic revision of the family Otocelididae</mods:title>
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<mods:namePart id="9027F4CE8F9BC4EFCDC55CF691439F37">Hooge, Matthew D.</mods:namePart>
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<mods:namePart id="A71093766D7F500B868422BD2BFB01B7">Rocha, Carlos E. F.</mods:namePart>
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<mods:title id="AC334D36FD4AD43DE5C36CC16D3AB275">Zootaxa</mods:title>
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<mods:part id="262FEA96C6C857F08E87B31BB88F32D0">
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<mods:date id="A0FF329237D1BE5933903883B3ED0677">2006</mods:date>
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<mods:identifier id="5D55C773A32B06AD123754B373972533" type="DOI">10.5281/zenodo.174287</mods:identifier>
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<mods:identifier id="13B6FA0C8E2B6ECF138D8C9984825899" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03DE87D4E625FFB7FE841652FB3DFC83" ID-DOI="http://doi.org/10.5281/zenodo.6263417" ID-GBIF-Taxon="119350882" ID-Zenodo-Dep="6263417" LSID="urn:lsid:plazi:treatment:03DE87D4E625FFB7FE841652FB3DFC83" httpUri="http://treatment.plazi.org/id/03DE87D4E625FFB7FE841652FB3DFC83" lastPageId="11" lastPageNumber="12" pageId="8" pageNumber="9">
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<subSubSection id="C36D6549E625FFB4FE841652FE1FFD7C" pageId="8" pageNumber="9" type="nomenclature">
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<paragraph id="8BC836C2E625FFB4FE841652FCF0FD90" blockId="8.[264,871,603,665]" box="[264,871,603,630]" pageId="8" pageNumber="9">
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<heading id="D08081AEE625FFB4FE841652FCF0FD90" bold="true" box="[264,871,603,630]" fontSize="11" level="1" pageId="8" pageNumber="9" reason="1">
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<emphasis id="B903EAD0E625FFB4FE841652FCF0FD90" bold="true" box="[264,871,603,630]" pageId="8" pageNumber="9">
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<taxonomicName id="4C774D41E625FFB4FE841652FD40FD93" box="[264,727,604,630]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="9" phylum="Xenacoelomorpha" rank="subSpecies" species="stylifera" status="subsp. nov." subSpecies="brasiliensis">
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<emphasis id="B903EAD0E625FFB4FE841652FD40FD93" bold="true" box="[264,727,604,630]" italics="true" pageId="8" pageNumber="9">Philactinoposthia stylifera brasiliensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A23057ABE625FFB4FD521655FCF0FD90" box="[734,871,603,629]" pageId="8" pageNumber="9" rank="subSpecies">subsp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BC836C2E625FFB4FE841671FE1FFD7C" blockId="8.[264,871,603,665]" box="[264,392,639,665]" pageId="8" pageNumber="9">
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(
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<figureCitation id="134C2A47E625FFB4FE9D1671FE17FD7C" box="[273,384,639,665]" captionStart-0="FIGURE 4" captionStart-1="FIGURE 5" captionStartId-0="9.[264,367,1769,1793]" captionStartId-1="10.[264,367,1357,1381]" captionTargetBox-0="[302,1284,446,1745]" captionTargetBox-1="[264,1322,326,1333]" captionTargetId-0="figure@9.[302,1285,446,1745]" captionTargetId-1="figure@10.[264,1323,326,1333]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionText-0="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." captionText-1="FIGURE 5. Philactinoposthia stylifera brasiliensis subsp. nov.; whole-mounts stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Lateral projection of copulatory organs. C. Dorsal projection of copulatory organs." httpUri-0="https://zenodo.org/record/174291/files/figure.png" httpUri-1="https://zenodo.org/record/174292/files/figure.png" pageId="8" pageNumber="9">Figs. 4–5</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C36D6549E625FFB4FE8416C0FC3FFBE4" pageId="8" pageNumber="9" type="materials_examined">
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<paragraph id="8BC836C2E625FFB4FE8416C0FE3EFC84" blockId="8.[264,1323,718,1905]" pageId="8" pageNumber="9">
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<emphasis id="B903EAD0E625FFB4FE8416C0FE21FD0D" bold="true" box="[264,438,718,744]" pageId="8" pageNumber="9">
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<typeStatus id="54CC8860E625FFB4FE8416C0FED4FD0D" box="[264,323,718,744]" pageId="8" pageNumber="9">Type</typeStatus>
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material
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</emphasis>
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.
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<typeStatus id="54CC8860E625FFB4FE4416C1FDAEFD0C" box="[456,569,719,745]" pageId="8" pageNumber="9" type="holotype">Holotype</typeStatus>
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.
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<collectionCode id="ED66AE07E625FFB4FDC916C1FD30FD0C" box="[581,679,719,745]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="8" pageNumber="9">MZUSP</collectionCode>
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<collectionCode id="ED66AE07E625FFB4FD2316C1FD42FD0C" box="[687,725,719,745]" pageId="8" pageNumber="9">PL</collectionCode>
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. 181, one set of 2-µm-thick serial sagittal sections of epoxy-embedded specimen stained with toluidine blue.
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<typeStatus id="54CC8860E625FFB4FC3916F9FB88FCF4" box="[949,1055,759,785]" pageId="8" pageNumber="9" type="paratype">Paratype</typeStatus>
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.
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<collectionCode id="ED66AE07E625FFB4FBA716F9FB1AFCF4" box="[1067,1165,759,785]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="8" pageNumber="9">MZUSP</collectionCode>
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<collectionCode id="ED66AE07E625FFB4FB1816F9FB2DFCF4" box="[1172,1210,759,785]" pageId="8" pageNumber="9">PL</collectionCode>
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. 182, one set of 2-µm-thick serial sagittal sections of epoxy-embedded specimen stained with toluidine blue
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</paragraph>
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<paragraph id="8BC836C2E625FFB4FEB41760FBADFC54" blockId="8.[264,1323,718,1905]" pageId="8" pageNumber="9">
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<emphasis id="B903EAD0E625FFB4FEB41760FE40FC6D" bold="true" box="[312,471,878,904]" pageId="8" pageNumber="9">
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<typeStatus id="54CC8860E625FFB4FEB41760FEE2FC6D" box="[312,373,878,904]" pageId="8" pageNumber="9">Type</typeStatus>
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locality
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</emphasis>
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. Itaçucê Island, São Sebastião Channel, São Paulo,
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<collectingCountry id="F3607652E625FFB4FBCA1761FB07FC6C" box="[1094,1168,879,905]" name="Brazil" pageId="8" pageNumber="9">Brazil</collectingCountry>
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, from coarse shelly sand with silt taken from
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<quantity id="4C8F9B27E625FFB4FDF31799FD3AFC54" box="[639,685,919,945]" metricMagnitude="0" metricUnit="m" metricValue="5.0" pageId="8" pageNumber="9" unit="m" value="5.0">5 m</quantity>
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water depth (
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<geoCoordinate id="EE435005E625FFB4FCC21799FC26FC54" box="[846,945,919,945]" direction="south" orientation="latitude" pageId="8" pageNumber="9" precision="925" value="-23.816668">23°49’S</geoCoordinate>
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,
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<geoCoordinate id="EE435005E625FFB4FC311799FBBAFC54" box="[957,1069,919,945]" direction="west" orientation="longitude" pageId="8" pageNumber="9" precision="925" value="-45.333332">45°20’W</geoCoordinate>
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).
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</paragraph>
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<paragraph id="8BC836C2E625FFB4FEB417B0FC3FFBE4" blockId="8.[264,1323,718,1905]" pageId="8" pageNumber="9">
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<emphasis id="B903EAD0E625FFB4FEB417B0FDE0FC3D" bold="true" box="[312,631,958,984]" pageId="8" pageNumber="9">Other material examined</emphasis>
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. Whole mounts for fluorescence imaging of musculature; photographs of living specimens in squeeze preparations.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36D6549E625FFB4FEB41000FB24FBCC" box="[312,1203,1038,1065]" pageId="8" pageNumber="9" type="etymology">
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<paragraph id="8BC836C2E625FFB4FEB41000FB24FBCC" blockId="8.[264,1323,718,1905]" box="[312,1203,1038,1065]" pageId="8" pageNumber="9">
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<emphasis id="B903EAD0E625FFB4FEB41000FE2AFBCD" bold="true" box="[312,445,1038,1064]" pageId="8" pageNumber="9">Etymology</emphasis>
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. The subspecies epithet refers to the country of the
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<typeStatus id="54CC8860E625FFB4FB971001FBD9FBCC" box="[1051,1102,1039,1065]" pageId="8" pageNumber="9">type</typeStatus>
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locality.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36D6549E625FFB6FEB41038FD12F8D2" lastPageId="10" lastPageNumber="11" pageId="8" pageNumber="9" type="description">
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<paragraph id="8BC836C2E625FFB4FEB41038FC8CFA74" blockId="8.[264,1323,718,1905]" pageId="8" pageNumber="9">
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<emphasis id="B903EAD0E625FFB4FEB41038FE5EFBB5" bold="true" box="[312,457,1078,1104]" pageId="8" pageNumber="9">Description</emphasis>
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. Unsqueezed living specimens ~510 µm long and ~110 µm wide (
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<figureCitation id="134C2A47E625FFB4FB771039FE8FFB9C" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="8" pageNumber="9">Fig. 4</figureCitation>
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C). Fixed, contracted specimens ~300–400 µm long. Anterior and posterior ends rounded. Body mostly colorless by transmitted light; contents of digestive syncytium often red (
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<figureCitation id="134C2A47E625FFB4FECF10A1FE0DFB2C" box="[323,410,1199,1225]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="8" pageNumber="9">Figs. 4</figureCitation>
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A, C). Epidermis completely ciliated. Short (~7 µm) rod-shaped rhabdoid glands scattered across body (
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<figureCitation id="134C2A47E625FFB4FDE810D9FD3CFB14" box="[612,683,1239,1265]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="8" pageNumber="9">Fig. 4</figureCitation>
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B). Frontal organ well developed; cell bodies of frontal glands positioned approximately one-third to three-eighths of body-length behind frontal pore (
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<figureCitation id="134C2A47E625FFB4FEDF1129FE35FAA4" box="[339,418,1319,1345]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="8" pageNumber="9">Fig. 4</figureCitation>
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A). Mouth opening on ventral surface, middle of body (
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<figureCitation id="134C2A47E625FFB4FBFD1129FB5DFAA4" box="[1137,1226,1319,1345]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="8" pageNumber="9">Figs. 4</figureCitation>
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A, 5A). Digestive central syncytium extends from position immediately behind statocyst posteriorly to level of male copulatory organ.
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</paragraph>
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<paragraph id="8BC836C2E625FFB4FEB41191FE75F94C" blockId="8.[264,1323,718,1905]" pageId="8" pageNumber="9">
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Body-wall musculature with circular muscles that encircle the body along entire length of animal; straight longitudinal muscles present between frontal pore and anterior edge of mouth; longitudinal-cross-over muscles (fibers with a longitudinal orientation anteriorly, but bend medially to cross diagonally) present in both dorsal and ventral body wall; longitudinal muscles in anterior half of body that wrap around posterior rim of mouth (U-shaped muscles) present in ventral body wall; anterior end without ventral diagonal muscles (
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<figureCitation id="134C2A47E625FFB4FEFA1281FE2BF94C" box="[374,444,1679,1705]" captionStart="FIGURE 5" captionStartId="10.[264,367,1357,1381]" captionTargetBox="[264,1322,326,1333]" captionTargetId="figure@10.[264,1323,326,1333]" captionTargetPageId="10" captionText="FIGURE 5. Philactinoposthia stylifera brasiliensis subsp. nov.; whole-mounts stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Lateral projection of copulatory organs. C. Dorsal projection of copulatory organs." httpUri="https://zenodo.org/record/174292/files/figure.png" pageId="8" pageNumber="9">Fig. 5</figureCitation>
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A).
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</paragraph>
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<paragraph id="8BC836C2E625FFB4FEB412B9FC4AF8C4" blockId="8.[264,1323,718,1905]" pageId="8" pageNumber="9">
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Ovaries paired, ventral; eggs extend from level of mouth posteriorly to bursal nozzle (
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<figureCitation id="134C2A47E625FFB4FE9D12D1FEC0F91C" box="[273,343,1759,1785]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="8" pageNumber="9">Fig. 4</figureCitation>
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A). Testes paired, separate and lateral to ovaries, diffuse. Testes extend from level of frontal glands posteriorly to middle of male copulatory organ.
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</paragraph>
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<paragraph id="8BC836C2E625FFB5FEB41321FE4AFE63" blockId="8.[264,1323,718,1905]" lastBlockId="9.[264,1322,284,390]" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9">
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Female gonopore absent in all five specimens examined. Thick-walled, muscular seminal bursa located in posterior end of body, at body midline, immediately underneath ventral body wall (
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<figureCitation id="134C2A47E624FFB5FE7D1512FDD1FED3" box="[497,582,284,310]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="9" pageNumber="10">Figs. 4</figureCitation>
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A, B, 5B, C). Bursa with well-developed, anteriorly directed bursal nozzle; ~14 µm long; in live animals appearance is like stack of coins with rounded tip (
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<figureCitation id="134C2A47E624FFB5FEBB1562FE1EFE63" box="[311,393,364,390]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="9" pageNumber="10">Figs. 4</figureCitation>
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B, 5C).
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</paragraph>
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<caption id="DF08664AE624FFB5FE8412E7FE60F88D" httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="9" pageNumber="10" targetBox="[302,1284,446,1745]" targetPageId="9">
|
||
<paragraph id="8BC836C2E624FFB5FE8412E7FE60F88D" blockId="9.[264,1322,1769,1896]" pageId="9" pageNumber="10">
|
||
<emphasis id="B903EAD0E624FFB5FE8412E7FE05F8E4" bold="true" box="[264,402,1769,1793]" pageId="9" pageNumber="10">FIGURE 4.</emphasis>
|
||
<taxonomicName id="4C774D41E624FFB5FE2D12E7FCDAF8E5" box="[417,845,1769,1792]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="9" pageNumber="10" phylum="Xenacoelomorpha" rank="subSpecies" species="stylifera" status="subsp. nov." subSpecies="brasiliensis">
|
||
<emphasis id="B903EAD0E624FFB5FE2D12E7FCDAF8E5" box="[417,845,1769,1792]" italics="true" pageId="9" pageNumber="10">Philactinoposthia stylifera brasiliensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B903EAD0E624FFB5FCD012E7FC76F8E4" bold="true" box="[860,993,1769,1793]" pageId="9" pageNumber="10">
|
||
<taxonomicNameLabel id="A23057ABE624FFB5FCD012E7FC76F8E4" box="[860,993,1769,1793]" pageId="9" pageNumber="10" rank="subSpecies">subsp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF08664AE627FFB6FE841143FABFFA4F" httpUri="https://zenodo.org/record/174292/files/figure.png" pageId="10" pageNumber="11" targetBox="[264,1322,326,1333]" targetPageId="10">
|
||
<paragraph id="8BC836C2E627FFB6FE841143FABFFA4F" blockId="10.[264,1323,1357,1450]" pageId="10" pageNumber="11">
|
||
<emphasis id="B903EAD0E627FFB6FE841143FE1EFA80" bold="true" box="[264,393,1357,1381]" pageId="10" pageNumber="11">FIGURE 5.</emphasis>
|
||
<taxonomicName id="4C774D41E627FFB6FE1C1143FCBBFA81" box="[400,812,1357,1380]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="10" pageNumber="11" phylum="Xenacoelomorpha" rank="subSpecies" species="stylifera" status="subsp. nov." subSpecies="brasiliensis">
|
||
<emphasis id="B903EAD0E627FFB6FE1C1143FCBBFA81" box="[400,812,1357,1380]" italics="true" pageId="10" pageNumber="11">Philactinoposthia stylifera brasiliensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B903EAD0E627FFB6FCBE1143FC38FA80" bold="true" box="[818,943,1357,1381]" pageId="10" pageNumber="11">
|
||
<taxonomicNameLabel id="A23057ABE627FFB6FCBE1143FC38FA80" box="[818,943,1357,1381]" pageId="10" pageNumber="11" rank="subSpecies">subsp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
; whole-mounts stained with Alexa- 488-labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Lateral projection of copulatory organs. C. Dorsal projection of copulatory organs.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BC836C2E627FFB6FEB411D3FD12F8D2" blockId="10.[264,1323,1501,1887]" pageId="10" pageNumber="11">
|
||
Opening to male copulatory organ often absent or covered by body wall (
|
||
<figureCitation id="134C2A47E627FFB6FB1D11D3FB76FA12" box="[1169,1249,1501,1527]" captionStart="FIGURE 5" captionStartId="10.[264,367,1357,1381]" captionTargetBox="[264,1322,326,1333]" captionTargetId="figure@10.[264,1323,326,1333]" captionTargetPageId="10" captionText="FIGURE 5. Philactinoposthia stylifera brasiliensis subsp. nov.; whole-mounts stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Lateral projection of copulatory organs. C. Dorsal projection of copulatory organs." httpUri="https://zenodo.org/record/174292/files/figure.png" pageId="10" pageNumber="11">Figs. 5</figureCitation>
|
||
A, B); when present, male gonopore positioned subterminally on ventral side. Gonopore opens directly to cluster of ~6–10 sclerotized penis needles ~90–100 µm in length (
|
||
<figureCitation id="134C2A47E627FFB6FB001223FB4AF9A2" box="[1164,1245,1581,1607]" captionStart="FIGURE 4" captionStartId="9.[264,367,1769,1793]" captionTargetBox="[302,1284,446,1745]" captionTargetId="figure@9.[302,1285,446,1745]" captionTargetPageId="9" captionText="FIGURE 4. Philactinoposthia stylifera brasiliensis subsp. nov.; photomicrographs of living specimens. A. Ventral view of squeezed specimen. B. Dorsal view of male and female copulatory organs. Note that copulatory stylets extend anteriorly to level of bursal nozzle. C. Dorsal view of unsqueezed specimen." httpUri="https://zenodo.org/record/174291/files/figure.png" pageId="10" pageNumber="11">Figs. 4</figureCitation>
|
||
A, 5B, C). Penis needles thickest and most widely spaced at gonopore, taper toward proximal end; extend dorsally to body wall (
|
||
<figureCitation id="134C2A47E627FFB6FD3A1273FD68F972" box="[694,767,1661,1687]" captionStart="FIGURE 5" captionStartId="10.[264,367,1357,1381]" captionTargetBox="[264,1322,326,1333]" captionTargetId="figure@10.[264,1323,326,1333]" captionTargetPageId="10" captionText="FIGURE 5. Philactinoposthia stylifera brasiliensis subsp. nov.; whole-mounts stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Lateral projection of copulatory organs. C. Dorsal projection of copulatory organs." httpUri="https://zenodo.org/record/174292/files/figure.png" pageId="10" pageNumber="11">Fig. 5</figureCitation>
|
||
B). Penis needles surrounded by thin layer of tissue with scattered nuclei. Seminal vesicle absent. Small masses of sperm (false seminal vesicles) cluster on both sides of the penis needles; positioned posterior to level of seminal bursa. Connection between false seminal vesicles and penis needles not visible in live material or histological sections.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C36D6549E627FFB7FEB4134BFB3DFC83" lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11" type="discussion">
|
||
<paragraph id="8BC836C2E627FFB7FEB4134BFC3FFDC3" blockId="10.[264,1323,1501,1887]" lastBlockId="11.[264,1323,284,870]" lastPageId="11" lastPageNumber="12" pageId="10" pageNumber="11">
|
||
<emphasis id="B903EAD0E627FFB6FEB4134BFE3DF8BA" bold="true" box="[312,426,1861,1887]" pageId="10" pageNumber="11">Remarks</emphasis>
|
||
. Our specimens are remarkably similar to
|
||
<taxonomicName id="4C774D41E627FFB7FC641348FE42FED3" authority="Westblad, 1946" authorityName="Westblad" authorityYear="1946" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" lastPageId="11" lastPageNumber="12" order="Acoela" pageId="10" pageNumber="11" phylum="Xenacoelomorpha" rank="species" species="stylifera">
|
||
<emphasis id="B903EAD0E627FFB6FC641348FABCF8BA" box="[1000,1323,1862,1887]" italics="true" pageId="10" pageNumber="11">Philactinoposthia stylifera</emphasis>
|
||
(
|
||
<bibRefCitation id="EFE64B33E626FFB7FE9C1512FE5CFED3" author="Westblad" box="[272,459,284,310]" pageId="11" pageNumber="50" refString="Westblad, E. (1946) Studien uber skandinavische Turbellaria Acoela. IV. Arkiv for Zoologi, 38 A, 1 - 56." type="journal article" year="1946">Westblad, 1946</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, which occurs rarely at
|
||
<quantity id="4C8F9B27E626FFB7FD631512FCC0FED3" box="[751,855,284,310]" metricMagnitude="1" metricUnit="m" metricValue="2.0" metricValueMax="3.0" metricValueMin="1.0" pageId="11" pageNumber="12" unit="m" value="20.0" valueMax="30.0" valueMin="10.0">10–30 m</quantity>
|
||
depth from Gullmarfjord,
|
||
<collectingCountry id="F3607652E626FFB7FB1F1512FB64FED3" box="[1171,1267,284,310]" name="Sweden" pageId="11" pageNumber="12">Sweden</collectingCountry>
|
||
, and as such, should be considered a subspecies. Our specimens are of similar size to
|
||
<taxonomicName id="4C774D41E626FFB7FB22154AFABCFEB8" box="[1198,1323,324,349]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="11" pageNumber="12" phylum="Xenacoelomorpha" rank="species" species="stylifera">
|
||
<emphasis id="B903EAD0E626FFB7FB22154AFABCFEB8" box="[1198,1323,324,349]" italics="true" pageId="11" pageNumber="12">P. stylifera</emphasis>
|
||
</taxonomicName>
|
||
and have a copulatory organ that is similarly constructed and positioned.
|
||
<taxonomicName id="4C774D41E626FFB7FBE51562FB71FE60" box="[1129,1254,364,389]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="11" pageNumber="12" phylum="Xenacoelomorpha" rank="species" species="stylifera">
|
||
<emphasis id="B903EAD0E626FFB7FBE51562FB71FE60" box="[1129,1254,364,389]" italics="true" pageId="11" pageNumber="12">P. stylifera</emphasis>
|
||
</taxonomicName>
|
||
has a female gonopore, which is absent in our specimens, but the pore is likely to be facultative and is probably present at other stages of its life history. Additionally,
|
||
<bibRefCitation id="EFE64B33E626FFB7FBE915B2FABDFE33" author="Westblad" box="[1125,1322,444,470]" pageId="11" pageNumber="50" refString="Westblad, E. (1946) Studien uber skandinavische Turbellaria Acoela. IV. Arkiv for Zoologi, 38 A, 1 - 56." type="journal article" year="1946">Westblad (1946)</bibRefCitation>
|
||
describes large rhabdoids, 20 µm in length, for
|
||
<taxonomicName id="4C774D41E626FFB7FCB815EAFC26FE18" box="[820,945,484,509]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="11" pageNumber="12" phylum="Xenacoelomorpha" rank="species" species="stylifera">
|
||
<emphasis id="B903EAD0E626FFB7FCB815EAFC26FE18" box="[820,945,484,509]" italics="true" pageId="11" pageNumber="12">P. stylifera</emphasis>
|
||
</taxonomicName>
|
||
, while our specimens have very small, rod-shaped rhabdoids that are only 7 µm in length.
|
||
</paragraph>
|
||
<paragraph id="8BC836C2E626FFB7FEB4163AFB3DFC83" blockId="11.[264,1323,284,870]" pageId="11" pageNumber="12">
|
||
In Dörjes and Karling’s (1975) review of the turbellarian
|
||
<typeStatus id="54CC8860E626FFB7FC72163AFBA6FDAB" box="[1022,1073,564,590]" pageId="11" pageNumber="12">type</typeStatus>
|
||
material held at the Swedish Museum of Natural History, they report that, contrary to the description of
|
||
<bibRefCitation id="EFE64B33E626FFB7FE84168AFE59FD7B" author="Westblad" box="[264,462,644,670]" pageId="11" pageNumber="50" refString="Westblad, E. (1946) Studien uber skandinavische Turbellaria Acoela. IV. Arkiv for Zoologi, 38 A, 1 - 56." type="journal article" year="1946">Westblad (1946)</bibRefCitation>
|
||
,
|
||
<taxonomicName id="4C774D41E626FFB7FE50168AFDCDFD78" box="[476,602,644,669]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="11" pageNumber="12" phylum="Xenacoelomorpha" rank="species" species="stylifera">
|
||
<emphasis id="B903EAD0E626FFB7FE50168AFDCDFD78" box="[476,602,644,669]" italics="true" pageId="11" pageNumber="12">P. stylifera</emphasis>
|
||
</taxonomicName>
|
||
has a true seminal vesicle positioned at the proximal end of the penis needles. We are skeptical of this report in light of Westblad’s (1946) original description, in which he clearly shows paired strands of sperm from the testes positioned well posterior and lateral to the proximal end of the penis needles and converging upon the needles at the middle of their length. This configuration is the same as in our specimens, and as such, we continue to regard
|
||
<taxonomicName id="4C774D41E626FFB7FD281742FCB6FC80" box="[676,801,844,869]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="11" pageNumber="12" phylum="Xenacoelomorpha" rank="species" species="stylifera">
|
||
<emphasis id="B903EAD0E626FFB7FD281742FCB6FC80" box="[676,801,844,869]" italics="true" pageId="11" pageNumber="12">P. stylifera</emphasis>
|
||
</taxonomicName>
|
||
as lacking a true seminal vesicle.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |