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<document id="3908C22CE4E16C1E184A8E5487AC9297" 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. &amp; Rocha, Carlos E. F." docDate="2006" docId="03DE87D4E62EFFB4FE84126AFD35FE1B" 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 coneyi Hooge &amp; Rocha, 2006, sp. nov." docType="treatment" docVersion="9" lastPageNumber="5" 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="4" updateTime="1698219545359" updateUser="plazi">
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<mods:title id="4E15D7510F7460950A6866AFCB4BA238">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="88C240AFAC81BA479C66BC0AB166CE1F">Hooge, Matthew D.</mods:namePart>
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<mods:namePart id="A4B57FCB63C7EE57C1D62BAA6697B4BC">Rocha, Carlos E. F.</mods:namePart>
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<mods:date id="9B0BAFB19EBA772C2945960CB69F52F0">2006</mods:date>
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<mods:number id="C0C8C587672EC1BA4E43898705296A62">1335</mods:number>
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<mods:identifier id="143473E7CDFCAF1F85811D96BF03BC72" type="DOI">10.5281/zenodo.174287</mods:identifier>
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<treatment id="03DE87D4E62EFFB4FE84126AFD35FE1B" ID-DOI="http://doi.org/10.5281/zenodo.6263413" ID-GBIF-Taxon="119350881" ID-Zenodo-Dep="6263413" LSID="urn:lsid:plazi:treatment:03DE87D4E62EFFB4FE84126AFD35FE1B" httpUri="http://treatment.plazi.org/id/03DE87D4E62EFFB4FE84126AFD35FE1B" lastPageId="8" lastPageNumber="5" pageId="3" pageNumber="4">
<subSubSection id="C36D6549E62EFFBFFE84126AFE1EF944" pageId="3" pageNumber="4" type="nomenclature">
<paragraph id="8BC836C2E62EFFBFFE84126AFD0FF99B" blockId="3.[264,664,1636,1697]" box="[264,664,1636,1662]" pageId="3" pageNumber="4">
<heading id="D08081AEE62EFFBFFE84126AFD0FF99B" bold="true" box="[264,664,1636,1662]" fontSize="11" level="1" pageId="3" pageNumber="4" reason="1">
<emphasis id="B903EAD0E62EFFBFFE84126AFD0FF99B" bold="true" box="[264,664,1636,1662]" pageId="3" pageNumber="4">
<taxonomicName id="4C774D41E62EFFBFFE84126AFDA4F99B" box="[264,563,1636,1662]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="3" pageNumber="4" phylum="Xenacoelomorpha" rank="species" species="coneyi" status="sp. nov.">
<emphasis id="B903EAD0E62EFFBFFE84126AFDA4F99B" bold="true" box="[264,563,1636,1662]" italics="true" pageId="3" pageNumber="4">Philactinoposthia coneyi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23057ABE62EFFBFFDB6126AFD0FF99B" box="[570,664,1636,1662]" pageId="3" pageNumber="4" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BC836C2E62EFFBFFE841289FE1EF944" blockId="3.[264,664,1636,1697]" box="[264,393,1671,1697]" pageId="3" pageNumber="4">
(
<figureCitation id="134C2A47E62EFFBFFE9D1289FEE8F944" box="[273,383,1671,1697]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="5.[264,367,1793,1817]" captionStartId-1="6.[264,367,1706,1730]" captionStartId-2="7.[264,367,1528,1552]" captionTargetBox-0="[312,1275,326,1768]" captionTargetBox-1="[272,1323,326,1681]" captionTargetBox-2="[340,1246,326,1504]" captionTargetId-0="figure@5.[312,1275,326,1768]" captionTargetId-1="figure@6.[264,1323,326,1682]" captionTargetId-2="figure@7.[340,1248,326,1504]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="7" captionText-0="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." captionText-1="FIGURE 2. Philactinoposthia coneyi sp. nov.; photomicrographs of histological sections stained with toluidine blue. A. Sagittal sections through length of body. Statocyst label shows level at which statocyst is positioned. B. sagittal section of male copulatory organ. C. Sagittal section of bursal nozzle." captionText-2="FIGURE 3. Philactinoposthia coneyi sp. nov.; whole-mount stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Projection of posterior parenchymal musculature." httpUri-0="https://zenodo.org/record/174288/files/figure.png" httpUri-1="https://zenodo.org/record/174289/files/figure.png" httpUri-2="https://zenodo.org/record/174290/files/figure.png" pageId="3" pageNumber="4">Figs. 1–3</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C36D6549E62EFFB8FE8412DFFD42FE4B" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4" type="materials_examined">
<paragraph id="8BC836C2E62EFFBFFE8412DFFDECF8DE" blockId="3.[264,1323,1745,1891]" pageId="3" pageNumber="4">
<emphasis id="B903EAD0E62EFFBFFE8412DFFE21F90E" bold="true" box="[264,438,1745,1771]" pageId="3" pageNumber="4">
<typeStatus id="54CC8860E62EFFBFFE8412DFFED4F90E" box="[264,323,1745,1771]" pageId="3" pageNumber="4">Type</typeStatus>
material
</emphasis>
.
<typeStatus id="54CC8860E62EFFBFFE4412DFFDAEF90E" box="[456,569,1745,1771]" pageId="3" pageNumber="4" type="holotype">Holotype</typeStatus>
.
<collectionCode id="ED66AE07E62EFFBFFDC912DFFD30F90E" box="[581,679,1745,1771]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="3" pageNumber="4">MZUSP</collectionCode>
<collectionCode id="ED66AE07E62EFFBFFD2312DFFD42F90E" box="[687,725,1745,1771]" pageId="3" pageNumber="4">PL</collectionCode>
. 179, one set of 2-µm-thick serial sagittal sections of epoxy-embedded specimen stained with toluidine blue.
<typeStatus id="54CC8860E62EFFBFFC5412F7FBD5F8F6" box="[984,1090,1785,1811]" pageId="3" pageNumber="4" type="paratype">Paratype</typeStatus>
.
<collectionCode id="ED66AE07E62EFFBFFBDF12F7FB22F8F6" box="[1107,1205,1785,1811]" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="3" pageNumber="4">MZUSP</collectionCode>
<collectionCode id="ED66AE07E62EFFBFFB4D12F7FB70F8F6" box="[1217,1255,1785,1811]" pageId="3" pageNumber="4">PL</collectionCode>
. 180, epoxy-embedded whole mount.
</paragraph>
<paragraph id="8BC836C2E62EFFB8FEB41347FC8CFED3" blockId="3.[264,1323,1745,1891]" lastBlockId="4.[264,1323,284,1870]" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
<emphasis id="B903EAD0E62EFFBFFEB41347FE4CF886" bold="true" box="[312,475,1865,1891]" pageId="3" pageNumber="4">
<typeStatus id="54CC8860E62EFFBFFEB41347FEE2F886" box="[312,373,1865,1891]" pageId="3" pageNumber="4">Type</typeStatus>
locality
</emphasis>
. Praia de Feiticeira, Ilhabela, São Paulo,
<collectingCountry id="F3607652E62EFFBFFC6B1347FBA5F886" box="[999,1074,1865,1891]" name="Brazil" pageId="3" pageNumber="4">Brazil</collectingCountry>
, from subtidal finegrained sand (
<geoCoordinate id="EE435005E629FFB8FE211512FDC6FED3" box="[429,593,284,310]" direction="south" orientation="latitude" pageId="4" pageNumber="5" precision="1" value="-23.787777">23°47’16.0”S</geoCoordinate>
,
<geoCoordinate id="EE435005E629FFB8FDD11512FC99FED3" box="[605,782,284,310]" direction="west" orientation="longitude" pageId="4" pageNumber="5" precision="1" value="-45.708668">45°42’31.2”W</geoCoordinate>
).
</paragraph>
<paragraph id="8BC836C2E629FFB8FEB4154DFD42FE4B" blockId="4.[264,1323,284,1870]" pageId="4" pageNumber="5">
<emphasis id="B903EAD0E629FFB8FEB4154DFDE0FEB8" bold="true" box="[312,631,323,349]" pageId="4" pageNumber="5">Other material examined</emphasis>
. Whole mounts for fluorescence imaging of musculature; photographs of living specimens in squeeze preparations; two sets of 2-µm-thick serial sections of epoxy-embedded specimen.
</paragraph>
</subSubSection>
<subSubSection id="C36D6549E629FFB8FEB415B5FB7BFE33" box="[312,1260,443,470]" pageId="4" pageNumber="5" type="etymology">
<paragraph id="8BC836C2E629FFB8FEB415B5FB7BFE33" blockId="4.[264,1323,284,1870]" box="[312,1260,443,470]" pageId="4" pageNumber="5">
<emphasis id="B903EAD0E629FFB8FEB415B5FE2AFE30" bold="true" box="[312,445,443,469]" pageId="4" pageNumber="5">Etymology</emphasis>
. Species name in honor of Mr. Jon Coney of Portland, Oregon,
<collectingCountry id="F3607652E629FFB8FB2515B2FB70FE33" box="[1193,1255,444,470]" name="United States of America" pageId="4" pageNumber="5">USA</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C36D6549E629FFB8FEB415EDFD24F933" pageId="4" pageNumber="5" type="description">
<paragraph id="8BC836C2E629FFB8FEB415EDFB95FCF3" blockId="4.[264,1323,284,1870]" pageId="4" pageNumber="5">
<emphasis id="B903EAD0E629FFB8FEB415EDFE5EFE18" bold="true" box="[312,457,483,509]" pageId="4" pageNumber="5">Description</emphasis>
. Living specimens ~700 µm long and ~85 µm wide (
<figureCitation id="134C2A47E629FFB8FBE115EAFB23FE1B" box="[1133,1204,484,510]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
A). Body cylindrical, elongate. Anterior and posterior ends rounded. Body mostly without color by transmitted light, except for some yellow coloration of digestive syncytium (
<figureCitation id="134C2A47E629FFB8FB36163AFA96FDAB" box="[1210,1281,564,590]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
A). Epidermis completely ciliated. Large, red-colored rhabdoid glands scattered across body (
<figureCitation id="134C2A47E629FFB8FE9D168AFECAFD7B" box="[273,349,644,670]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Fig. 1</figureCitation>
D). Frontal organ well developed; cell bodies of frontal glands positioned approximately one-third of body-length behind frontal pore (
<figureCitation id="134C2A47E629FFB8FC5516A2FBB5FD23" box="[985,1058,684,710]" captionStart="FIGURE 2" captionStartId="6.[264,367,1706,1730]" captionTargetBox="[272,1323,326,1681]" captionTargetId="figure@6.[264,1323,326,1682]" captionTargetPageId="6" captionText="FIGURE 2. Philactinoposthia coneyi sp. nov.; photomicrographs of histological sections stained with toluidine blue. A. Sagittal sections through length of body. Statocyst label shows level at which statocyst is positioned. B. sagittal section of male copulatory organ. C. Sagittal section of bursal nozzle." httpUri="https://zenodo.org/record/174289/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
A). Mouth opening on ventral surface, middle of body. Digestive central syncytium extends from level anterior to position of mouth posteriorly to level of seminal bursa (
<figureCitation id="134C2A47E629FFB8FC1A16F2FC4AFCF3" box="[918,989,764,790]" captionStart="FIGURE 2" captionStartId="6.[264,367,1706,1730]" captionTargetBox="[272,1323,326,1681]" captionTargetId="figure@6.[264,1323,326,1682]" captionTargetPageId="6" captionText="FIGURE 2. Philactinoposthia coneyi sp. nov.; photomicrographs of histological sections stained with toluidine blue. A. Sagittal sections through length of body. Statocyst label shows level at which statocyst is positioned. B. sagittal section of male copulatory organ. C. Sagittal section of bursal nozzle." httpUri="https://zenodo.org/record/174289/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
A).
</paragraph>
<paragraph id="8BC836C2E629FFB8FEB4172AFB76FBCB" blockId="4.[264,1323,284,1870]" pageId="4" pageNumber="5">
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 with ventral diagonal muscles positioned between outer circular and inner longitudinal muscles (
<figureCitation id="134C2A47E629FFB8FBF9101AFB2DFBCB" box="[1141,1210,1044,1070]" captionStart="FIGURE 3" captionStartId="7.[264,367,1528,1552]" captionTargetBox="[340,1246,326,1504]" captionTargetId="figure@7.[340,1248,326,1504]" captionTargetPageId="7" captionText="FIGURE 3. Philactinoposthia coneyi sp. nov.; whole-mount stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Projection of posterior parenchymal musculature." httpUri="https://zenodo.org/record/174290/files/figure.png" pageId="4" pageNumber="5">Fig. 3</figureCitation>
A).
</paragraph>
<paragraph id="8BC836C2E629FFB8FEB41032FCA8FB43" blockId="4.[264,1323,284,1870]" pageId="4" pageNumber="5">
Ovary unpaired, ventral; extends from level of mouth posteriorly to bursal nozzle (
<figureCitation id="134C2A47E629FFB8FE9D106AFECAFB9B" box="[273,349,1124,1150]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Figs. 1</figureCitation>
A, 2A). Testes paired, lateral to ovary, compact. Testes extend anteriorly to level of mouth and posteriorly to male copulatory organ.
</paragraph>
<paragraph id="8BC836C2E629FFB8FEB410BAFC6DFAFB" blockId="4.[264,1323,284,1870]" pageId="4" pageNumber="5">
Female gonopore at level slightly anterior to seminal vesicle; connection to bursa poorly defined (
<figureCitation id="134C2A47E629FFB8FE5C10D2FD8AFB13" box="[464,541,1244,1270]" captionStart="FIGURE 2" captionStartId="6.[264,367,1706,1730]" captionTargetBox="[272,1323,326,1681]" captionTargetId="figure@6.[264,1323,326,1682]" captionTargetPageId="6" captionText="FIGURE 2. Philactinoposthia coneyi sp. nov.; photomicrographs of histological sections stained with toluidine blue. A. Sagittal sections through length of body. Statocyst label shows level at which statocyst is positioned. B. sagittal section of male copulatory organ. C. Sagittal section of bursal nozzle." httpUri="https://zenodo.org/record/174289/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
A). Bursa with wall; connects anteriorly to well-defined bursal nozzle with appearance like a stack of hats (
<figureCitation id="134C2A47E629FFB8FC80110AFCCFFAFB" box="[780,856,1284,1310]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Figs. 1</figureCitation>
A–C, 2A, C).
</paragraph>
<paragraph id="8BC836C2E629FFB8FE841122FD24F933" blockId="4.[264,1323,284,1870]" pageId="4" pageNumber="5">
Male gonopore positioned subterminally on ventral side. Opens immediately to muscular, glandular male copulatory organ with sclerotized penis (
<figureCitation id="134C2A47E629FFB8FC39115AFB90FA8B" box="[949,1031,1364,1390]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Figs. 1</figureCitation>
B, 2A, B, 3B). Seminal vesicle composed of outer longitudinal and inner circular muscles and packed with wellaligned sperm (
<figureCitation id="134C2A47E629FFB8FE4D11AAFD85FA5B" box="[449,530,1444,1470]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Figs. 1</figureCitation>
B, 2B, 3B). Penis not invaginated into seminal vesicle; positioned between seminal vesicle and male gonopore; composed of a cone of longitudinal muscles, some of which are continuous with longitudinal fibers of seminal vesicle. Inside longitudinal fibers is a cone-shaped sclerotized penis, which stains blue with toluidine blue in histological sections (
<figureCitation id="134C2A47E629FFB8FDCD124AFD06F9BB" box="[577,657,1604,1630]" captionStart="FIGURE 2" captionStartId="6.[264,367,1706,1730]" captionTargetBox="[272,1323,326,1681]" captionTargetId="figure@6.[264,1323,326,1682]" captionTargetPageId="6" captionText="FIGURE 2. Philactinoposthia coneyi sp. nov.; photomicrographs of histological sections stained with toluidine blue. A. Sagittal sections through length of body. Statocyst label shows level at which statocyst is positioned. B. sagittal section of male copulatory organ. C. Sagittal section of bursal nozzle." httpUri="https://zenodo.org/record/174289/files/figure.png" pageId="4" pageNumber="5">Fig. 2</figureCitation>
B), and stains with Alexa-488 labeled phalloidin in specimens viewed with confocal microscopy (
<figureCitation id="134C2A47E629FFB8FCDF1262FC36F963" box="[851,929,1644,1670]" captionStart="FIGURE 3" captionStartId="7.[264,367,1528,1552]" captionTargetBox="[340,1246,326,1504]" captionTargetId="figure@7.[340,1248,326,1504]" captionTargetPageId="7" captionText="FIGURE 3. Philactinoposthia coneyi sp. nov.; whole-mount stained with Alexa- 488 - labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. B. Projection of posterior parenchymal musculature." httpUri="https://zenodo.org/record/174290/files/figure.png" pageId="4" pageNumber="5">Fig. 3</figureCitation>
B). Penis surrounds a layer of glandular secretions that surround the sperm and stain metachromatically for glycoseaminoglycans (
<figureCitation id="134C2A47E629FFB8FD9812B2FDF5F933" box="[532,610,1724,1750]" captionStart="FIGURE 1" captionStartId="5.[264,367,1793,1817]" captionTargetBox="[312,1275,326,1768]" captionTargetId="figure@5.[312,1275,326,1768]" captionTargetPageId="5" captionText="FIGURE 1. Philactinoposthia coneyi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs. C. Seminal bursa and bursal nozzle. D. Rhabdoid glands." httpUri="https://zenodo.org/record/174288/files/figure.png" pageId="4" pageNumber="5">Figs. 1</figureCitation>
B, 2B)
</paragraph>
</subSubSection>
<subSubSection id="C36D6549E629FFB4FEB412EAFD35FE1B" lastPageId="8" lastPageNumber="9" pageId="4" pageNumber="5" type="discussion">
<paragraph id="8BC836C2E629FFB4FEB412EAFD35FE1B" blockId="4.[264,1323,284,1870]" lastBlockId="8.[264,1323,284,510]" lastPageId="8" lastPageNumber="9" pageId="4" pageNumber="5">
<emphasis id="B903EAD0E629FFB8FEB412EAFE3DF91B" bold="true" box="[312,426,1764,1790]" pageId="4" pageNumber="5">Remarks</emphasis>
. The family
<taxonomicName id="4C774D41E629FFB8FDC212EAFC81F91B" box="[590,790,1764,1790]" class="Acoelomorpha" family="Actinoposthiidae" kingdom="Animalia" order="Acoela" pageId="4" pageNumber="5" phylum="Xenacoelomorpha" rank="family">Actinoposthiidae</taxonomicName>
was erected by
<bibRefCitation id="EFE64B33E629FFB8FC6812EAFB1CF91B" author="Hooge" box="[996,1163,1764,1790]" pageId="4" pageNumber="49" refString="Hooge, M. D. (2001) Evolution of body-wall musculature in the Platyhelminthes (Acoela, Catenulida, Rhabditophora). Journal of Morphology, 249, 171 - 194." type="journal article" year="2001">Hooge (2001)</bibRefCitation>
as means of separating the ~30 species with typical body-wall muscle layering from species of
<taxonomicName id="4C774D41E629FFB8FB5F1302FE01F8AB" class="Acoelomorpha" family="Childiidae" genus="Childia" kingdom="Animalia" order="Acoela" pageId="4" pageNumber="5" phylum="Xenacoelomorpha" rank="genus">
<emphasis id="B903EAD0E629FFB8FB5F1302FABCF8C0" box="[1235,1323,1804,1829]" italics="true" pageId="4" pageNumber="5">Childia</emphasis>
(Childiidae)
</taxonomicName>
, which have reversed body-wall muscle layering (longitudinal fibers positioned outside of circular fibers). The
<taxonomicName id="4C774D41E62AFFBBFC9A1286FC49F947" box="[790,990,1672,1698]" class="Acoelomorpha" family="Actinoposthiidae" kingdom="Animalia" order="Acoela" pageId="7" pageNumber="8" phylum="Xenacoelomorpha" rank="family">Actinoposthiidae</taxonomicName>
includes species that have either a sclerotized or muscular penis that is not invaginated into a seminal vesicle. Unfortunately, the family and several of its genera appear to be polyphyletic and the distinctive characters have yet to be identified. The genus
<taxonomicName id="4C774D41E62AFFBBFC3D130FFB15F8FF" box="[945,1154,1793,1818]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="7" pageNumber="8" phylum="Xenacoelomorpha" rank="genus">
<emphasis id="B903EAD0E62AFFBBFC3D130FFB15F8FF" box="[945,1154,1793,1818]" italics="true" pageId="7" pageNumber="8">Philactinoposthia</emphasis>
</taxonomicName>
is particularly problematic because it contains some species with sclerotized penes and others with muscular penes, despite the unlikelihood that these structures are homologous. We place our new species in the genus
<taxonomicName id="4C774D41E625FFB4FD091512FCC2FED0" box="[645,853,284,309]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="9" phylum="Xenacoelomorpha" rank="genus">
<emphasis id="B903EAD0E625FFB4FD091512FCC2FED0" box="[645,853,284,309]" italics="true" pageId="8" pageNumber="9">Philactinoposthia</emphasis>
</taxonomicName>
because of its strong similarity to
<taxonomicName id="4C774D41E625FFB4FA991512FDCFFEBB" authority="Dorjes, 1968" authorityName="Dorjes" authorityYear="1968" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="9" phylum="Xenacoelomorpha" rank="species" species="viridorhabditis">
<emphasis id="B903EAD0E625FFB4FA991512FE20FEB8" italics="true" pageId="8" pageNumber="9">P. viridorhabditis</emphasis>
<bibRefCitation id="EFE64B33E625FFB4FE32154AFDCFFEBB" author="Dorjes" box="[446,600,324,350]" pageId="8" pageNumber="48" refString="Dorjes, J. (1968) Die Acoela (Turbellaria) der deutschen Nordseekuste und ein neues System der Ordnung. Zeitschrift fr Zoologische Systematik und Evolutionsforschung, 6, 56 - 452." type="journal article" year="1968">Dörjes, 1968</bibRefCitation>
</taxonomicName>
, a species that shares with
<taxonomicName id="4C774D41E625FFB4FC1C154AFC6EFEB8" box="[912,1017,324,349]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="9" phylum="Xenacoelomorpha" rank="species" species="coneyi">
<emphasis id="B903EAD0E625FFB4FC1C154AFC6EFEB8" box="[912,1017,324,349]" italics="true" pageId="8" pageNumber="9">P. coneyi</emphasis>
</taxonomicName>
an unpaired ovary, a male copulatory organ with a muscular seminal vesicle and an uninvaginated cone-shaped penis.
<taxonomicName id="4C774D41E625FFB4FEDA159AFE56FE48" box="[342,449,404,429]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="9" phylum="Xenacoelomorpha" rank="species" species="coneyi">
<emphasis id="B903EAD0E625FFB4FEDA159AFE56FE48" box="[342,449,404,429]" italics="true" pageId="8" pageNumber="9">P. coneyi</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C774D41E625FFB4FDEC159AFCB9FE48" box="[608,814,404,429]" class="Acoelomorpha" family="Actinoposthiidae" genus="Philactinoposthia" kingdom="Animalia" order="Acoela" pageId="8" pageNumber="9" phylum="Xenacoelomorpha" rank="species" species="viridorhabditis">
<emphasis id="B903EAD0E625FFB4FDEC159AFCB9FE48" box="[608,814,404,429]" italics="true" pageId="8" pageNumber="9">P. viridorhabditis</emphasis>
</taxonomicName>
in having a more elongate body, a shorter, less-irregularly shaped penis surrounded by longitudinal muscle fibers, and a distinctive stack-of-hats shaped bursal nozzle.
</paragraph>
</subSubSection>
</treatment>
</document>
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