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<document id="942BDBAEB34ED6F17BA66D4A1B3CA2A0" ID-DOI="10.11646/zootaxa.1479.1.3" ID-ISSN="1175­5334" ID-Zenodo-Dep="5086526" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1625847382580" checkinUser="felipe" docAuthor="Hooge, Matthew D. &amp; Tyler, Seth" docDate="2007" docId="C6048246FFF8FFA84EDF8525FDC5F9B0" docLanguage="en" docName="zt01479p033.pdf.imf" docOrigin="Zootaxa 1479 (1)" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Proporus carolinensis Hooge and Smith 2004" docType="treatment" docVersion="4" lastPageNumber="31" masterDocId="3A3DFA3EFFF0FFA24E488207FFC8FF8C" masterDocTitle="Acoela (Acoelomorpha) from Belize" masterLastPageNumber="33" masterPageNumber="21" pageNumber="29" updateTime="1698997358091" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="D4B4443C33FA18501BEAD7E9AB89D90F">Acoela (Acoelomorpha) from Belize</mods:title>
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<mods:name id="7E6D0662B8689EDB7F26DFA1428ACFAF" type="personal">
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<mods:namePart id="D0320433722586F0F610A303FE08CD45">Hooge, Matthew D.</mods:namePart>
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<mods:namePart id="4D1536E36A0F150C9F926A70665642F9">Tyler, Seth</mods:namePart>
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<mods:title id="79D397477C15A1C8869335BE2E3C6D07">Zootaxa</mods:title>
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<mods:date id="9291A87B131B04718B3F36576C85CA19">2007</mods:date>
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<treatment id="C6048246FFF8FFA84EDF8525FDC5F9B0" ID-DOI="http://doi.org/10.5281/zenodo.5086405" ID-Zenodo-Dep="5086405" LSID="urn:lsid:plazi:treatment:C6048246FFF8FFA84EDF8525FDC5F9B0" httpUri="http://treatment.plazi.org/id/C6048246FFF8FFA84EDF8525FDC5F9B0" lastPageId="10" lastPageNumber="31" pageId="8" pageNumber="29">
<subSubSection id="06B760DBFFF8FFAA4EDF8525FD01F8B0" box="[151,713,1826,1852]" pageId="8" pageNumber="29" type="nomenclature">
<paragraph id="4E123350FFF8FFAA4EDF8525FD01F8B0" blockId="8.[151,713,1826,1887]" box="[151,713,1826,1852]" pageId="8" pageNumber="29">
<heading id="155A843CFFF8FFAA4EDF8525FD01F8B0" bold="true" box="[151,713,1826,1852]" fontSize="11" level="1" pageId="8" pageNumber="29" reason="1">
<taxonomicName id="89AD48D3FFF8FFAA4EDF8525FD01F8B0" ID-CoL="6VY5T" authority="Hooge and Smith, 2004" authorityName="Hooge and Smith" authorityYear="2004" box="[151,713,1826,1852]" class="Acoelomorpha" family="Proporidae" genus="Proporus" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="29" phylum="Xenacoelomorpha" rank="species" species="carolinensis">
<emphasis id="7CD9EF42FFF8FFAA4EDF8525FD01F8B0" bold="true" box="[151,713,1826,1852]" pageId="8" pageNumber="29">
<emphasis id="7CD9EF42FFF8FFAA4EDF8525FE68F8B0" bold="true" box="[151,416,1826,1852]" italics="true" pageId="8" pageNumber="29">Proporus carolinensis</emphasis>
<bibRefCitation id="2A3C4EA1FFF8FFAA4FE08525FD01F8B0" author="Hooge, M. D. &amp; Smith, J. P. S." box="[424,713,1826,1852]" pageId="8" pageNumber="29" pagination="1 - 24" refId="ref4574" refString="Hooge, M. D. &amp; Smith, J. P. S. (2004) New acoels (Acoela, Acoelomorpha from North Carolina. Zootaxa, 442, 1 - 24." type="journal article" year="2004">Hooge and Smith, 2004</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="06B760DBFFF8FFAA4EDF8542FED0F8D3" box="[151,280,1861,1887]" pageId="8" pageNumber="29" type="description">
<paragraph id="4E123350FFF8FFAA4EDF8542FED0F8D3" blockId="8.[151,713,1826,1887]" box="[151,280,1861,1887]" pageId="8" pageNumber="29">
(
<figureCitation id="D6962FD5FFF8FFAA4ED78542FEC6F8D3" box="[159,270,1861,1887]" captionStart-0="FIGURE 7" captionStart-1="FIGURE 8" captionStartId-0="9.[151,255,1889,1913]" captionStartId-1="10.[151,255,1221,1245]" captionTargetBox-0="[276,1323,706,1877]" captionTargetBox-1="[306,1292,194,1197]" captionTargetId-0="figure-222@9.[264,1323,702,1877]" captionTargetId-1="figure-225@10.[294,1292,194,1197]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionText-0="FIGURE 7. Proporus carolinensis; photomicrographs of living specimens. A. Dorsal view of unsqueezed specimen. B. Lateral view of squeezed specimen. C. Lateral view of anterior end, showing the pharynx. D. Lateral view of posterior end, showing male copulatory organ." captionText-1="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi-0="http://doi.org/10.5281/zenodo.5086540" figureDoi-1="http://doi.org/10.5281/zenodo.5086542" httpUri-0="https://zenodo.org/record/5086540/files/figure.png" httpUri-1="https://zenodo.org/record/5086542/files/figure.png" pageId="8" pageNumber="29">Figs. 78</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="06B760DBFFF8FFAB4EDF8592FA5EFF56" lastPageId="9" lastPageNumber="30" pageId="8" pageNumber="29" type="materials_examined">
<paragraph id="4E123350FFF8FFAA4EDF8592FCEDF85B" blockId="8.[151,1436,1941,2007]" pageId="8" pageNumber="29">
<emphasis id="7CD9EF42FFF8FFAA4EDF8592FECCF823" bold="true" box="[151,260,1941,1967]" pageId="8" pageNumber="29">Material</emphasis>
.
<collectionCode id="28BCAB95FFF8FFAA4F5B8592FEA0F823" box="[275,360,1941,1967]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="8" pageNumber="29" type="Museum">USNM</collectionCode>
1096763, one set of 2-µm-thick serial sections of epoxy-embedded specimens stained with toluidine blue; living specimens in squeeze preparation.
</paragraph>
<paragraph id="4E123350FFF9FFAB4E8E8290FA5EFF56" blockId="9.[151,1436,151,658]" pageId="9" pageNumber="30">
<emphasis id="7CD9EF42FFF9FFAB4E8E8290FEE3FF3D" bold="true" box="[198,299,151,177]" pageId="9" pageNumber="30">Locality</emphasis>
. Carrie Bow Cay (
<geoCoordinate id="2B995597FFF9FFAB4C40829FFD6AFF3E" box="[520,674,152,178]" degrees="16" direction="north" minutes="48" orientation="latitude" pageId="9" pageNumber="30" precision="15" seconds="09" value="16.8025">16°4809” N</geoCoordinate>
,
<geoCoordinate id="2B995597FFF9FFAB4CE6829FFC86FF3E" box="[686,846,152,178]" degrees="88" direction="west" minutes="04" orientation="longitude" pageId="9" pageNumber="30" precision="15" seconds="55" value="-88.08194">88°0455” W</geoCoordinate>
), from a patch of clean, medium-grained sand that abuts the southern edge of a
<taxonomicName id="89AD48D3FFF9FFAB4FA882C7FDB2FF56" box="[480,634,192,218]" class="Liliopsida" family="Hydrocharitaceae" genus="Thalassia" kingdom="Animalia" order="Alismatales" pageId="9" pageNumber="30" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="7CD9EF42FFF9FFAB4FA882C7FD9AFF55" box="[480,594,192,217]" italics="true" pageId="9" pageNumber="30">Thalassia</emphasis>
sp.
</taxonomicName>
bed, approximately
<quantity id="89559EB5FFF9FFAB4D2082C7FC6BFF56" box="[872,931,192,218]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="9" pageNumber="30" unit="m" value="10.0">10 m</quantity>
from the northeast end of Carrie Bow Cay.
</paragraph>
</subSubSection>
<subSubSection id="06B760DBFFF9FFAB4E8E82E0FE65FD1E" pageId="9" pageNumber="30" type="description">
<paragraph id="4E123350FFF9FFAB4E8E82E0FD10FEA6" blockId="9.[151,1436,151,658]" pageId="9" pageNumber="30">
<emphasis id="7CD9EF42FFF9FFAB4E8E82E0FE9FFE8D" bold="true" box="[198,343,231,257]" pageId="9" pageNumber="30">Description</emphasis>
. Mature specimens
<quantity id="89559EB5FFF9FFAB4C0E82EFFCCCFE8E" box="[582,772,232,258]" metricMagnitude="-1" metricUnit="m" metricValue="8.35" metricValueMax="10.0" metricValueMin="6.7" pageId="9" pageNumber="30" unit="mm" value="835.0" valueMax="1000.0" valueMin="670.0">670 to 1000 µm</quantity>
long and ~
<quantity id="89559EB5FFF9FFAB4DC182EFFC2FFE8E" box="[905,999,232,258]" metricMagnitude="-1" metricUnit="m" metricValue="2.0" pageId="9" pageNumber="30" unit="mm" value="200.0">200 µm</quantity>
wide (
<figureCitation id="D6962FD5FFF9FFAB4A7182EFFB0DFE8E" box="[1081,1221,232,258]" captionStart="FIGURE 7" captionStartId="9.[151,255,1889,1913]" captionTargetBox="[276,1323,706,1877]" captionTargetId="figure-222@9.[264,1323,702,1877]" captionTargetPageId="9" captionText="FIGURE 7. Proporus carolinensis; photomicrographs of living specimens. A. Dorsal view of unsqueezed specimen. B. Lateral view of squeezed specimen. C. Lateral view of anterior end, showing the pharynx. D. Lateral view of posterior end, showing male copulatory organ." figureDoi="http://doi.org/10.5281/zenodo.5086540" httpUri="https://zenodo.org/record/5086540/files/figure.png" pageId="9" pageNumber="30">Figs. 7A, B</figureCitation>
,
<figureCitation id="D6962FD5FFF9FFAB4A9A82EFFB32FE8E" box="[1234,1274,232,258]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">8A</figureCitation>
). Body cylindrical. Anterior end rounded, posterior end blunt.
</paragraph>
<paragraph id="4E123350FFF9FFAB4E8E833FFF04FEF6" blockId="9.[151,1436,151,658]" pageId="9" pageNumber="30">
Mouth opening subterminal, ventral, anterior end of body. Mouth opens to ciliated pharynx (
<figureCitation id="D6962FD5FFF9FFAB4B65833FFA5EFEDE" box="[1325,1430,312,338]" captionStart="FIGURE 7" captionStartId="9.[151,255,1889,1913]" captionTargetBox="[276,1323,706,1877]" captionTargetId="figure-222@9.[264,1323,702,1877]" captionTargetPageId="9" captionText="FIGURE 7. Proporus carolinensis; photomicrographs of living specimens. A. Dorsal view of unsqueezed specimen. B. Lateral view of squeezed specimen. C. Lateral view of anterior end, showing the pharynx. D. Lateral view of posterior end, showing male copulatory organ." figureDoi="http://doi.org/10.5281/zenodo.5086540" httpUri="https://zenodo.org/record/5086540/files/figure.png" pageId="9" pageNumber="30">Figs. 7C</figureCitation>
,
<figureCitation id="D6962FD5FFF9FFAB4EDF8367FF76FEF6" box="[151,190,352,378]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">8A</figureCitation>
).
</paragraph>
<paragraph id="4E123350FFF9FFAB4E8E838FFE59FE46" blockId="9.[151,1436,151,658]" pageId="9" pageNumber="30">
Ovary unpaired, ventral. Testes paired, lateral; converge to central mass immediately anterior to seminal vesicle (
<figureCitation id="D6962FD5FFF9FFAB4EB083B7FE4BFE46" box="[248,387,432,458]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">Figs. 8A, B</figureCitation>
).
</paragraph>
<paragraph id="4E123350FFF9FFAB4E8E83DFFE65FD1E" blockId="9.[151,1436,151,658]" pageId="9" pageNumber="30">
Female gonopore, vagina, and seminal bursa all absent. Male gonopore terminal at posterior end, opens to ciliated, tubular male antrum (
<figureCitation id="D6962FD5FFF9FFAB4FB18007FDA9FD96" box="[505,609,512,538]" captionStart="FIGURE 7" captionStartId="9.[151,255,1889,1913]" captionTargetBox="[276,1323,706,1877]" captionTargetId="figure-222@9.[264,1323,702,1877]" captionTargetPageId="9" captionText="FIGURE 7. Proporus carolinensis; photomicrographs of living specimens. A. Dorsal view of unsqueezed specimen. B. Lateral view of squeezed specimen. C. Lateral view of anterior end, showing the pharynx. D. Lateral view of posterior end, showing male copulatory organ." figureDoi="http://doi.org/10.5281/zenodo.5086540" httpUri="https://zenodo.org/record/5086540/files/figure.png" pageId="9" pageNumber="30">Figs. 7D</figureCitation>
,
<figureCitation id="D6962FD5FFF9FFAB4C268007FD5BFD96" box="[622,659,512,538]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">8B</figureCitation>
). Wall of antrum with circular and longitudinal muscles (
<figureCitation id="D6962FD5FFF9FFAB4B798007FA45FD96" box="[1329,1421,512,538]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">Fig. 8B</figureCitation>
). Seminal vesicle at proximal end of male antrum; sperm in antrum aligned in parallel, longitudinally (
<figureCitation id="D6962FD5FFF9FFAB4B67802FFA5FFDCE" box="[1327,1431,552,578]" captionStart="FIGURE 7" captionStartId="9.[151,255,1889,1913]" captionTargetBox="[276,1323,706,1877]" captionTargetId="figure-222@9.[264,1323,702,1877]" captionTargetPageId="9" captionText="FIGURE 7. Proporus carolinensis; photomicrographs of living specimens. A. Dorsal view of unsqueezed specimen. B. Lateral view of squeezed specimen. C. Lateral view of anterior end, showing the pharynx. D. Lateral view of posterior end, showing male copulatory organ." figureDoi="http://doi.org/10.5281/zenodo.5086540" httpUri="https://zenodo.org/record/5086540/files/figure.png" pageId="9" pageNumber="30">Figs. 7D</figureCitation>
,
<figureCitation id="D6962FD5FFF9FFAB4EDF8057FF74FDE6" box="[151,188,592,618]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">8B</figureCitation>
). Sperm of seminal vesicle surrounded by long, filamentous, metachromatic red strands (
<figureCitation id="D6962FD5FFF9FFAB4A838057FAEEFDE6" box="[1227,1318,592,618]" captionStart="FIGURE 8" captionStartId="10.[151,255,1221,1245]" captionTargetBox="[306,1292,194,1197]" captionTargetId="figure-225@10.[294,1292,194,1197]" captionTargetPageId="10" captionText="FIGURE 8. Proporus carolinensis; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="9" pageNumber="30">Fig. 8B</figureCitation>
), likely to be glandular secretions.
</paragraph>
</subSubSection>
<caption id="1AD263D8FFF9FFAB4EDF8566FDEAF832" ID-DOI="http://doi.org/10.5281/zenodo.5086540" ID-Zenodo-Dep="5086540" httpUri="https://zenodo.org/record/5086540/files/figure.png" pageId="9" pageNumber="30" startId="9.[151,255,1889,1913]" targetBox="[276,1323,706,1877]" targetPageId="9">
<paragraph id="4E123350FFF9FFAB4EDF8566FDEAF832" blockId="9.[151,1436,1889,1982]" pageId="9" pageNumber="30">
<emphasis id="7CD9EF42FFF9FFAB4EDF8566FED1F8F5" bold="true" box="[151,281,1889,1913]" pageId="9" pageNumber="30">FIGURE 7.</emphasis>
<taxonomicName id="89AD48D3FFF9FFAB4F698565FDC5F8F5" authorityName="Hooge and Smith" authorityYear="2004" box="[289,525,1890,1913]" class="Acoelomorpha" family="Proporidae" genus="Proporus" kingdom="Animalia" order="Acoela" pageId="9" pageNumber="30" phylum="Xenacoelomorpha" rank="species" species="carolinensis">
<emphasis id="7CD9EF42FFF9FFAB4F698565FDC5F8F5" box="[289,525,1890,1913]" italics="true" pageId="9" pageNumber="30">Proporus carolinensis</emphasis>
</taxonomicName>
; photomicrographs of living specimens. A. Dorsal view of unsqueezed specimen. B. Lateral view of squeezed specimen. C. Lateral view of anterior end, showing the pharynx. D. Lateral view of posterior end, showing male copulatory organ.
</paragraph>
</caption>
<caption id="1AD263D8FFFAFFA84EDF86C2FA98FB73" ID-DOI="http://doi.org/10.5281/zenodo.5086542" ID-Zenodo-Dep="5086542" httpUri="https://zenodo.org/record/5086542/files/figure.png" pageId="10" pageNumber="31" startId="10.[151,255,1221,1245]" targetBox="[306,1292,194,1197]" targetPageId="10">
<paragraph id="4E123350FFFAFFA84EDF86C2FA98FB73" blockId="10.[151,1435,1221,1279]" pageId="10" pageNumber="31">
<emphasis id="7CD9EF42FFFAFFA84EDF86C2FED1FB51" bold="true" box="[151,281,1221,1245]" pageId="10" pageNumber="31">FIGURE 8.</emphasis>
<taxonomicName id="89AD48D3FFFAFFA84F5686C2FDC1FB50" authorityName="Hooge and Smith" authorityYear="2004" box="[286,521,1221,1244]" class="Acoelomorpha" family="Proporidae" genus="Proporus" kingdom="Animalia" order="Acoela" pageId="10" pageNumber="31" phylum="Xenacoelomorpha" rank="species" species="carolinensis">
<emphasis id="7CD9EF42FFFAFFA84F5686C2FDC1FB50" box="[286,521,1221,1244]" italics="true" pageId="10" pageNumber="31">Proporus carolinensis</emphasis>
</taxonomicName>
; photomicrographs of sagittal histological sections. A. Whole specimen. B. Male copulatory organ. Arrowheads point to metachromatic red filamentous strands surrounding sperm of seminal vesicle.
</paragraph>
</caption>
<subSubSection id="06B760DBFFFAFFA84E8E8735FDC5F9B0" pageId="10" pageNumber="31" type="discussion">
<paragraph id="4E123350FFFAFFA84E8E8735FDC5F9B0" blockId="10.[151,1436,1330,1596]" pageId="10" pageNumber="31">
<emphasis id="7CD9EF42FFFAFFA84E8E8735FEF0FAC0" bold="true" box="[198,312,1330,1356]" pageId="10" pageNumber="31">Remarks</emphasis>
. Previously known only from its
<typeStatus id="91168DF2FFFAFFA84C848735FD36FAC0" box="[716,766,1330,1356]" pageId="10" pageNumber="31">type</typeStatus>
locality at Oak Island,
<collectingRegion id="8C69FDB2FFFAFFA84A518735FB04FAC0" box="[1049,1228,1330,1356]" country="United States of America" name="North Carolina" pageId="10" pageNumber="31">North Carolina</collectingRegion>
(
<bibRefCitation id="2A3C4EA1FFFAFFA84A958735FF1EFAF8" author="Hooge, M. D. &amp; Smith, J. P. S." pageId="10" pageNumber="31" pagination="1 - 24" refId="ref4574" refString="Hooge, M. D. &amp; Smith, J. P. S. (2004) New acoels (Acoela, Acoelomorpha from North Carolina. Zootaxa, 442, 1 - 24." type="journal article" year="2004">
Hooge &amp;
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2004
</bibRefCitation>
),
<taxonomicName id="89AD48D3FFFAFFA84EA1875CFE5BFAF8" authorityName="Hooge and Smith" authorityYear="2004" box="[233,403,1371,1396]" class="Acoelomorpha" family="Proporidae" genus="Proporus" kingdom="Animalia" order="Acoela" pageId="10" pageNumber="31" phylum="Xenacoelomorpha" rank="species" species="carolinensis">
<emphasis id="7CD9EF42FFFAFFA84EA1875CFE5BFAF8" box="[233,403,1371,1396]" italics="true" pageId="10" pageNumber="31">P. carolinensis</emphasis>
</taxonomicName>
was uncommon in our samples and was found at only one collection site. The metachromatic red strands surrounding the sperm of the seminal vesicle in the newly collected specimens were not visible in the histological sections of the
<typeStatus id="91168DF2FFFAFFA84C1A87ADFD4CFA48" box="[594,644,1450,1476]" pageId="10" pageNumber="31">type</typeStatus>
material from
<collectingRegion id="8C69FDB2FFFAFFA84D7B87ADFC2FFA48" box="[819,999,1450,1476]" country="United States of America" name="North Carolina" pageId="10" pageNumber="31">North Carolina</collectingRegion>
; however, we wonder if these strands contribute to the appearance in living specimens that the seminal vesicle contains sclerotized needles. It was previously thought that this appearance was caused solely by the sperm of the seminal vesicle being aligned in parallel (
<bibRefCitation id="2A3C4EA1FFFAFFA84EB68425FDC9F9B0" author="Hooge, M. D. &amp; Smith, J. P. S." box="[254,513,1570,1596]" pageId="10" pageNumber="31" pagination="1 - 24" refId="ref4574" refString="Hooge, M. D. &amp; Smith, J. P. S. (2004) New acoels (Acoela, Acoelomorpha from North Carolina. Zootaxa, 442, 1 - 24." type="journal article" year="2004">
Hooge &amp;
<collectingRegion id="8C69FDB2FFFAFFA84F3B8425FE71F9B0" box="[371,441,1570,1596]" country="Bermuda" name="Smith's" pageId="10" pageNumber="31">Smith</collectingRegion>
2004
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>