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<document id="F3131E2CE75989C0977CA7399EE78D3C" ID-CLB-Dataset="3108" ID-DOI="10.1093/zoolinnean/zlab002" ID-GBIF-Dataset="f769f705-8e4e-4c74-be78-ee5ce40f482c" ID-ISSN="0024-4082" ID-Zenodo-Dep="5761768" ID-ZooBank="AAA956A8-14F7-49E4-888F-072FAC7D3826" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1638522585989" checkinUser="plazi" docAuthor="Huston, Daniel C., Cutmore, Scott C., Miller, Terrence L., Sasal, Pierre, Smit, Nico J. &amp; Cribb, Thomas H." docDate="2021" docId="03815953FFAB2E33146879B1FD3A1D87" docLanguage="en" docName="zlab002.pdf" docOrigin="Zoological Journal of the Linnean Society 193 (4)" docSource="https://doi.org/10.1093/zoolinnean/zlab002" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-2023.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-2023.journal_article" docStyleVersion="7" docTitle="Gorgocephalus graboides Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb 2021, SP. NOV." docType="treatment" docUuid="D684AF8B-5CF6-40A0-91AD-7B26A304D47B" docUuidSource="ZooBank" docVersion="7" lastPageNumber="1448" masterDocId="FFB8212BFFB62E1317107800FF901B1C" masterDocTitle="Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range" masterLastPageNumber="1455" masterPageNumber="1416" pageNumber="1445" updateTime="1699471917047" updateUser="ExternalLinkService">
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<mods:title id="DDCA54D9F317DEA8281F1C3CFE362AC1">Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range</mods:title>
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<mods:namePart id="CA96789D237D8900EF798ED618E74A4E">Huston, Daniel C.</mods:namePart>
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<mods:namePart id="5D489F028019C9352B4A303C3BA859C7">Cutmore, Scott C.</mods:namePart>
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<mods:namePart id="AEFEBA135C682E73797E95696943A906">Miller, Terrence L.</mods:namePart>
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<mods:namePart id="8BE3F05868441D279655EBF6E8D791A5">Sasal, Pierre</mods:namePart>
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<mods:namePart id="E66CFBEA89FAD4AC81C9F0CA6F08ED4D">Smit, Nico J.</mods:namePart>
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<mods:namePart id="139E1E96295A91F7FDEBCBDAC83178FC">Cribb, Thomas H.</mods:namePart>
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<mods:date id="61343BAC4FA67AED08636C8D1EA0C42F">2021</mods:date>
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<treatment id="03815953FFAB2E33146879B1FD3A1D87" ID-DOI="http://doi.org/10.5281/zenodo.5761796" ID-GBIF-Taxon="191131940" ID-Zenodo-Dep="5761796" LSID="urn:lsid:zoobank.org:act:D684AF8B-5CF6-40A0-91AD-7B26A304D47B" httpUri="http://treatment.plazi.org/id/03815953FFAB2E33146879B1FD3A1D87" lastPageId="32" lastPageNumber="1448" pageId="29" pageNumber="1445">
<subSubSection id="C332BBCEFFAB2E0E146879B1FAD21AD5" box="[888,1346,433,457]" pageId="29" pageNumber="1445" type="nomenclature">
<paragraph id="8B97E845FFAB2E0E146879B1FAD21AD5" blockId="29.[888,1346,433,457]" box="[888,1346,433,457]" pageId="29" pageNumber="1445">
<heading id="D0DF5F29FFAB2E0E146879B1FAD21AD5" box="[888,1346,433,457]" centered="true" fontSize="9" level="2" pageId="29" pageNumber="1445" reason="2">
<taxonomicName id="4C2893C6FFAB2E0E146879B1FB481ADB" ID-CoL="86Y7V" authority="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb, 2021" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[888,1240,433,457]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="29" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides" status="sp. nov.">GORGOCEPHALUS GRABOIDES</taxonomicName>
<emphasis id="B95C3457FFAB2E0E13CF79B4FAD21AD5" bold="true" box="[1247,1346,433,457]" pageId="29" pageNumber="1445">
<taxonomicNameLabel id="A26F892CFFAB2E0E13CF79B4FAD21AD5" box="[1247,1346,433,457]" pageId="29" pageNumber="1445" rank="species">SP. NOV.</taxonomicNameLabel>
</emphasis>
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<subSubSection id="C332BBCEFFAB2E3314A279DDFEF71F6F" lastPageId="32" lastPageNumber="1448" pageId="29" pageNumber="1445" type="description">
<paragraph id="8B97E845FFAB2E0E14A279DDFA971AEA" blockId="29.[946,1287,477,502]" box="[946,1287,477,502]" pageId="29" pageNumber="1445">
(
<figureCitation id="1313F4C0FFAB2E0E14AA79DDFBD31AEA" box="[954,1091,477,502]" captionStart="Figure 12" captionStartId="28.[163,243,1591,1613]" captionTargetBox="[163,1442,195,1551]" captionTargetId="figure-62@28.[163,1443,195,1551]" captionTargetPageId="28" captionText="Figure 12. Gorgocephalus euryaleae and Gorgocephalus graboides, scanning electron micrographs. A, B, oral suckers of adult Gorgocephalus euryaleae ex Kyphosus gladius, Point Peron, Rockingham, Western Australia. C, tegument of adult Gorgocephalus euryaleae, ex Kyphosus gladius, Point Peron. D, E, oral suckers of adult Gorgocephalus graboides ex Kyphosus cinerascens, Lizard Island, Queensland, Australia. F, tegument of adult Gorgocephalus graboides ex Kyphosus cinerascens, Lizard Island. Scale bars: A, E, 40 µm; B, D, 50 µm; C, F, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.5761802" httpUri="https://zenodo.org/record/5761802/files/figure.png" pageId="29" pageNumber="1445">FIGS 12DF</figureCitation>
,
<figureCitation id="1313F4C0FFAB2E0E134079DDFBFC1AEA" box="[1104,1132,477,502]" captionStart="Figure 13" captionStartId="30.[163,242,1683,1705]" captionTargetBox="[164,1305,196,1637]" captionTargetId="figure-25@30.[163,1306,195,1638]" captionTargetPageId="30" captionText="Figure 13. Gorgocephalus graboides A, paratype ex Kyphosus cinerascens, Lizard Island, Queensland, Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of paratype; lateral perspective. C, redia ex Echinolittorina vidua, Lizard Island; ventral perspective. D, emerged cercaria ex Echinolittorina vidua, Lizard Island; ventral perspective. E, holotype ex Kyphosus cinerascens, Lizard Island; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm." figureDoi="http://doi.org/10.5281/zenodo.5761804" httpUri="https://zenodo.org/record/5761804/files/figure.png" pageId="29" pageNumber="1445">13</figureCitation>
;
<tableCitation id="C6AADDFEFFAB2E0E136879DDFB741AEA" box="[1144,1252,477,502]" captionStart="Table 4" captionStartId="10.[163,227,196,217]" captionTargetPageId="10" captionText="Table 4. Morphometric data for two new species of Gorgocephalus expressed as a range and mean in micrometres or as percentages. Number of specimens measured presented as total (whole mounts + hologenophores). A dash (-) indicates distance between two features. Abbreviations: Bd, body; L, length; B, breadth; FBd, forebody; OS, oral sucker; ant, measurement taken at anterior; post, measurement taken at posterior; VS, ventral sucker; PPh, prepharynx; Ph, pharynx; Oe, oesophagus; Cae, caecum; PCae, post-caecal space; Csac, cirrus-sac; AT, anterior testis; PT, posterior testis; Ptest, post-testicular space; OV, ovary; Previt, previtteline region; Postvit, postvitteline region; VitOcc, vitellarium occupies. Egg measurements represent the mean obtained from multiple subsamples per specimen. An asterisk (*) next to a feature indicates it was included in the PCA" httpUri="http://table.plazi.org/id/DF57B8CDFFBC2E1917B378C4FD8E1ABB" pageId="29" pageNumber="1445" tableUuid="DF57B8CDFFBC2E1917B378C4FD8E1ABB">TABLES 4</tableCitation>
,
<tableCitation id="C6AADDFEFFAB2E0E13E179DDFB6F1AEA" box="[1265,1279,477,502]" captionStart="Table 6" captionStartId="20.[163,227,196,217]" captionText="Table 6. Morphometric data for Gorgocephalus spp. cercariae and rediae expressed as a range and mean in micrometres or as percentages. Number of specimens measured presented as cercariae/rediae. Abbreviations: Bd, body; L, length; B, breadth; FBd, forebody; Esp, eyespot; OS, oral sucker; VS, ventral sucker; PPh, prepharynx; Ph, pharynx; Ta, tail; Int, Intestine. Egg measurements represent the mean obtained from multiple subsamples per specimen. Measurements of both eyespots combined for each cercaria" pageId="29" pageNumber="1445">6</tableCitation>
)
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397A26FA021946" blockId="29.[809,1426,549,602]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397A26FBFE1927" box="[809,1134,549,571]" italics="true" pageId="29" pageNumber="1445">Z o o b a n k r e g i s t r a t i o n:</emphasis>
u r n: l s i d: z o o b a n k. org:act:
<uuid id="FF8ED290FFAB2E0E14677A44FA1E1946" box="[887,1422,580,602]" pageId="29" pageNumber="1445">D684AF8B-5CF6-40A0-91AD-7B26A304D47B</uuid>
.
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397A83FB5319E8" blockId="29.[809,1425,642,756]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397A83FB8C198B" box="[809,1052,642,664]" italics="true" pageId="29" pageNumber="1445">
<typeStatus id="549356E7FFAB2E0E14397A83FCCE1984" box="[809,862,643,664]" pageId="29" pageNumber="1445">Type</typeStatus>
host and locality:
</emphasis>
<taxonomicName id="4C2893C6FFAB2E0E133C7A82FCFC19AB" authority="(Forsskal, 1775)" baseAuthorityName="Forsskal" baseAuthorityYear="1775" class="Actinopterygii" family="Kyphosidae" genus="Kyphosus" kingdom="Animalia" order="Perciformes" pageId="29" pageNumber="1445" phylum="Chordata" rank="species" species="cinerascens">
<emphasis id="B95C3457FFAB2E0E133C7A82FA8E1984" box="[1068,1310,642,664]" italics="true" pageId="29" pageNumber="1445">Kyphosus cinerascens</emphasis>
(Forsskål, 1775)
</taxonomicName>
, highfin chub (
<taxonomicName id="4C2893C6FFAB2E0E13317AA1FB2219AB" box="[1057,1202,673,695]" class="Actinopterygii" kingdom="Animalia" order="Perciformes" pageId="29" pageNumber="1445" phylum="Chordata" rank="order">Perciformes</taxonomicName>
:
<taxonomicName id="4C2893C6FFAB2E0E13AE7AA1FAD919AB" authorityName="Jordan" authorityYear="1887" box="[1214,1353,673,695]" class="Actinopterygii" family="Kyphosidae" kingdom="Animalia" order="Perciformes" pageId="29" pageNumber="1445" phylum="Chordata" rank="family">Kyphosidae</taxonomicName>
) from off Lizard Island, Great Barrier Reef,
<collectingRegion id="49EC26A7FFAB2E0E13EB7AC0FA1C19CA" box="[1275,1420,704,726]" country="Australia" name="Queensland" pageId="29" pageNumber="1445">Queensland</collectingRegion>
,
<collectingCountry id="F33FA8D5FFAB2E0E14397ADEFC0519E8" box="[809,917,734,756]" name="Australia" pageId="29" pageNumber="1445">Australia</collectingCountry>
(
<geoCoordinate id="EE1C8E82FFAB2E0E14B47ADFFB8E19E8" box="[932,1054,735,756]" degrees="14" direction="south" minutes="41" orientation="latitude" pageId="29" pageNumber="1445" precision="15" seconds="10" value="-14.686111">14°4110S</geoCoordinate>
,
<geoCoordinate id="EE1C8E82FFAB2E0E133A7ADEFB2719E8" box="[1066,1207,734,756]" degrees="145" direction="east" minutes="28" orientation="longitude" pageId="29" pageNumber="1445" precision="15" seconds="15" value="145.47083">145°2815E</geoCoordinate>
).
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397B1DFC52186C" blockId="29.[809,1425,797,880]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397B1DFA01182E" box="[809,1425,797,818]" italics="true" pageId="29" pageNumber="1445">
Other hosts (intermediate):
<taxonomicName id="4C2893C6FFAB2E0E13987B1DFA01182E" box="[1160,1425,797,818]" class="Gastropoda" family="Littorinidae" genus="Echinolittorina" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="1445" phylum="Mollusca" rank="species" species="vidua">Echinolittorina vidua</taxonomicName>
</emphasis>
(G o u l d, 1 8 5 9) (G a s t r o p o d a: L i t t o r i n i m o r p h a:
<taxonomicName id="4C2893C6FFAB2E0E14397B5AFC26186C" authorityName="Children" authorityYear="1834" box="[809,950,858,880]" class="Gastropoda" family="Littorinidae" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="1445" phylum="Mollusca" rank="family">Littorinidae</taxonomicName>
).
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397B9AFB391F17" blockId="29.[809,1426,921,1035]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397B9AFC7618B2" box="[809,998,921,943]" italics="true" pageId="29" pageNumber="1445">Type material:</emphasis>
<materialsCitation id="3B40E218FFAB2E0E13127B99FBAE18D1" ID-GBIF-Occurrence="3414904317" collectionCode="QM" pageId="29" pageNumber="1445" specimenCode="G238605" specimenCount="1" typeStatus="holotype">
<typeStatus id="549356E7FFAB2E0E13127B99FBE518B3" box="[1026,1141,921,943]" pageId="29" pageNumber="1445" type="holotype">Holotype</typeStatus>
(
<collectionCode id="ED397080FFAB2E0E139A7B99FB2918B2" box="[1162,1209,921,942]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="29" pageNumber="1445" type="Museum">QM</collectionCode>
<specimenCode id="DB8E403EFFAB2E0E13D67B99FAA918B3" box="[1222,1337,921,943]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="29" pageNumber="1445" type="Museum">G238605</specimenCode>
) ex
<taxonomicName id="4C2893C6FFAB2E0E12677B9AFC2018D1" baseAuthorityName="Forsskal" baseAuthorityYear="1775" class="Actinopterygii" family="Kyphosidae" genus="Kyphosus" kingdom="Animalia" order="Perciformes" pageId="29" pageNumber="1445" phylum="Chordata" rank="species" species="cinerascens">
<emphasis id="B95C3457FFAB2E0E12677B9AFA1918B3" box="[1399,1417,922,943]" italics="true" pageId="29" pageNumber="1445">K</emphasis>
.
<emphasis id="B95C3457FFAB2E0E14397BB8FC2018D1" box="[809,944,952,973]" italics="true" pageId="29" pageNumber="1445">cinerascens</emphasis>
</taxonomicName>
from off LI
</materialsCitation>
.
<materialsCitation id="3B40E218FFAB2E0E135B7BB8FB341F17" ID-GBIF-Occurrence="3414904305" collectionCode="QM" pageId="29" pageNumber="1445" specimenCode="G238606, G238622" specimenCount="1" typeStatus="paratype">
<typeStatus id="549356E7FFAB2E0E135B7BB8FB5518D1" box="[1099,1221,952,973]" pageId="29" pageNumber="1445" type="paratype">Paratypes</typeStatus>
: 14 whole mount and three hologenophore specimens ex
<taxonomicName id="4C2893C6FFAB2E0E13FE7BD7FA0118F0" baseAuthorityName="Forsskal" baseAuthorityYear="1775" box="[1262,1425,983,1004]" class="Actinopterygii" family="Kyphosidae" genus="Kyphosus" kingdom="Animalia" order="Perciformes" pageId="29" pageNumber="1445" phylum="Chordata" rank="species" species="cinerascens">
<emphasis id="B95C3457FFAB2E0E13FE7BD7FA9018F0" box="[1262,1280,983,1004]" italics="true" pageId="29" pageNumber="1445">K</emphasis>
.
<emphasis id="B95C3457FFAB2E0E121E7BD7FA0118F0" box="[1294,1425,983,1004]" italics="true" pageId="29" pageNumber="1445">cinerascens</emphasis>
</taxonomicName>
from LI (
<collectionCode id="ED397080FFAB2E0E149E7BF5FC2A1F16" box="[910,954,1013,1034]" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="29" pageNumber="1445" type="Museum">QM</collectionCode>
<specimenCode id="DB8E403EFFAB2E0E14D07BF5FBB71F17" box="[960,1063,1013,1035]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="29" pageNumber="1445" type="Museum">G238606</specimenCode>
<specimenCode id="DB8E403EFFAB2E0E13267BF5FB0D1F17" box="[1078,1181,1013,1035]" collectionCode="QM" country="Australia" lsid="urn:lsid:biocol.org:col:35019" name="Queensland Museum" pageId="29" pageNumber="1445" type="Museum">G238622</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397C34FB811F9B" blockId="29.[809,1425,1076,1159]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397C34FAD81F55" box="[809,1352,1076,1097]" italics="true" pageId="29" pageNumber="1445">Additional voucher material (intramolluscan):</emphasis>
Five slides of cercariae and rediae ex
<taxonomicName id="4C2893C6FFAB2E0E138A7C53FB6A1F7B" box="[1178,1274,1106,1128]" class="Gastropoda" family="Littorinidae" genus="Echinolittorina" kingdom="Animalia" order="Littorinimorpha" pageId="29" pageNumber="1445" phylum="Mollusca" rank="species" species="vidua">
<emphasis id="B95C3457FFAB2E0E138A7C53FB3C1F74" box="[1178,1196,1107,1128]" italics="true" pageId="29" pageNumber="1445">E</emphasis>
.
<emphasis id="B95C3457FFAB2E0E13A97C52FB6A1F7B" box="[1209,1274,1106,1127]" italics="true" pageId="29" pageNumber="1445">vidua</emphasis>
</taxonomicName>
from LI (QM G238623G238627).
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397CB0FB8B1FF8" blockId="29.[809,1425,1200,1252]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397CB0FC3D1FD9" box="[809,941,1200,1221]" italics="true" pageId="29" pageNumber="1445">Site in host:</emphasis>
Pyloric caeca (definitive); gonad/digestive gland (intermediate).
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397D0EFAE01EA0" blockId="29.[809,1425,1293,1468]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397D0EFB501E3F" box="[809,1216,1293,1315]" italics="true" pageId="29" pageNumber="1445">Representative DNA sequences:</emphasis>
Six sequences deposited for
<emphasis id="B95C3457FFAB2E0E14D87D2CFC681E5D" box="[968,1016,1324,1345]" italics="true" pageId="29" pageNumber="1445">COI</emphasis>
mtDNA (
<accessionNumber id="947B75A6FFAB2E0E137A7D2CFB601E5E" box="[1130,1264,1324,1346]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MW353677" pageId="29" pageNumber="1445">MW353677</accessionNumber>
<accessionNumber id="947B75A6FFAB2E0E13EE7D2CFA151E5E" box="[1278,1413,1324,1346]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MW353682" pageId="29" pageNumber="1445">MW353682</accessionNumber>
); six sequences deposited for 5.8S-ITS2-partial 28S rDNA (
<accessionNumber id="947B75A6FFAB2E0E14967D69FB881E63" box="[902,1048,1385,1407]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MW353959" pageId="29" pageNumber="1445">MW353959</accessionNumber>
<accessionNumber id="947B75A6FFAB2E0E13377D69FB281E63" box="[1063,1208,1385,1407]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MW353964" pageId="29" pageNumber="1445">MW353964</accessionNumber>
); four sequences deposited for partial 28S rDNA (
<accessionNumber id="947B75A6FFAB2E0E13E07D88FA111E82" box="[1264,1409,1416,1438]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MW353905" pageId="29" pageNumber="1445">MW353905</accessionNumber>
<accessionNumber id="947B75A6FFAB2E0E14397DA6FC3E1EA0" box="[809,942,1446,1468]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/MW353908" pageId="29" pageNumber="1445">MW353908</accessionNumber>
); see Supporting Information,
<tableCitation id="C6AADDFEFFAB2E0E12167DA6FAF91EA0" box="[1286,1385,1446,1468]" captionStart="Table 2" captionStartId="6.[163,227,196,217]" captionTargetBox="[162,1422,459,1897]" captionText="Table 2. Morphometric data for Gorgocephalus kyphosi expressed as a range and mean in micrometres or as percentages. Number of specimens measured presented as total (whole mounts + hologenophores). A dash (-) indicates distance between two features. Abbreviations: Bd, body; L, length; B, breadth; FBd, forebody; OS, oral sucker; ant, measurement taken at anterior; post, measurement taken at posterior; VS, ventral sucker; PPh, prepharynx; Ph, pharynx; Oe, oesophagus; Cae, caecum; PCae, post-caecal space; Csac, cirrus-sac; AT, anterior testis; PT, posterior testis; Ptest, posttesticular space; OV, ovary; Previt, previtteline region; Postvit, postvitteline region; VitOcc, vitellarium occupies. Egg measurements represent the mean obtained from multiple subsamples per specimen. An asterisk (*) next to a feature indicates it was included in the PCA" httpUri="http://table.plazi.org/id/DF57B8CDFFB02E1517B378C4FD8E1ABB" pageId="29" pageNumber="1445" tableUuid="DF57B8CDFFB02E1517B378C4FD8E1ABB">Table S2</tableCitation>
.
</paragraph>
<paragraph id="8B97E845FFAB2E0E14397DE5FB001DEC" blockId="29.[809,1425,1509,1776]" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397DE5FC361EE6" box="[809,934,1509,1530]" italics="true" pageId="29" pageNumber="1445">Etymology:</emphasis>
This species is named for its resemblance to the monsters from the
<emphasis id="B95C3457FFAB2E0E13727E04FB541D05" box="[1122,1220,1540,1561]" italics="true" pageId="29" pageNumber="1445">Tremors</emphasis>
films, graboids. Graboids are blind, subterranean, worm-like predators with grasping tentacles that emerge from their beaklike maws. Graboids even have complex life-cycles, transitioning through several radically different phenotypes. The name is formed by combination of graboid and a Latinized Greek suffix indicating a resemblance or likeness, oides.
</paragraph>
<paragraph id="8B97E845FFAB2E0C14397F1AFDA81880" blockId="29.[809,1425,1817,1870]" lastBlockId="31.[145,761,197,1905]" lastPageId="31" lastPageNumber="1447" pageId="29" pageNumber="1445">
<emphasis id="B95C3457FFAB2E0E14397F1AFA011C32" box="[809,1425,1817,1839]" italics="true" pageId="29" pageNumber="1445">
Description of adult (
<figureCitation id="1313F4C0FFAB2E0E13427F1AFB7A1C32" box="[1106,1258,1817,1839]" captionStart="Figure 12" captionStartId="28.[163,243,1591,1613]" captionTargetBox="[163,1442,195,1551]" captionTargetId="figure-62@28.[163,1443,195,1551]" captionTargetPageId="28" captionText="Figure 12. Gorgocephalus euryaleae and Gorgocephalus graboides, scanning electron micrographs. A, B, oral suckers of adult Gorgocephalus euryaleae ex Kyphosus gladius, Point Peron, Rockingham, Western Australia. C, tegument of adult Gorgocephalus euryaleae, ex Kyphosus gladius, Point Peron. D, E, oral suckers of adult Gorgocephalus graboides ex Kyphosus cinerascens, Lizard Island, Queensland, Australia. F, tegument of adult Gorgocephalus graboides ex Kyphosus cinerascens, Lizard Island. Scale bars: A, E, 40 µm; B, D, 50 µm; C, F, 20 µm." figureDoi="http://doi.org/10.5281/zenodo.5761802" httpUri="https://zenodo.org/record/5761802/files/figure.png" pageId="29" pageNumber="1445">Figs 12DF</figureCitation>
,
<figureCitation id="1313F4C0FFAB2E0E13EE7F19FAEF1C33" box="[1278,1407,1817,1839]" captionStart="Figure 13" captionStartId="30.[163,242,1683,1705]" captionTargetBox="[164,1305,196,1637]" captionTargetId="figure-25@30.[163,1306,195,1638]" captionTargetPageId="30" captionText="Figure 13. Gorgocephalus graboides A, paratype ex Kyphosus cinerascens, Lizard Island, Queensland, Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of paratype; lateral perspective. C, redia ex Echinolittorina vidua, Lizard Island; ventral perspective. D, emerged cercaria ex Echinolittorina vidua, Lizard Island; ventral perspective. E, holotype ex Kyphosus cinerascens, Lizard Island; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm." figureDoi="http://doi.org/10.5281/zenodo.5761804" httpUri="https://zenodo.org/record/5761804/files/figure.png" pageId="29" pageNumber="1445">13A, B, E</figureCitation>
):
</emphasis>
Measurements in
<tableCitation id="C6AADDFEFFAB2E0E14EC7F38FBC31C51" box="[1020,1107,1848,1870]" captionStart="Table 4" captionStartId="10.[163,227,196,217]" captionTargetPageId="10" captionText="Table 4. Morphometric data for two new species of Gorgocephalus expressed as a range and mean in micrometres or as percentages. Number of specimens measured presented as total (whole mounts + hologenophores). A dash (-) indicates distance between two features. Abbreviations: Bd, body; L, length; B, breadth; FBd, forebody; OS, oral sucker; ant, measurement taken at anterior; post, measurement taken at posterior; VS, ventral sucker; PPh, prepharynx; Ph, pharynx; Oe, oesophagus; Cae, caecum; PCae, post-caecal space; Csac, cirrus-sac; AT, anterior testis; PT, posterior testis; Ptest, post-testicular space; OV, ovary; Previt, previtteline region; Postvit, postvitteline region; VitOcc, vitellarium occupies. Egg measurements represent the mean obtained from multiple subsamples per specimen. An asterisk (*) next to a feature indicates it was included in the PCA" httpUri="http://table.plazi.org/id/DF57B8CDFFBC2E1917B378C4FD8E1ABB" pageId="29" pageNumber="1445" tableUuid="DF57B8CDFFBC2E1917B378C4FD8E1ABB">Table 4</tableCitation>
. Description based on
<typeStatus id="549356E7FFAB2E0E124E7F38FA001C51" box="[1374,1424,1848,1869]" pageId="29" pageNumber="1445">type</typeStatus>
material and SEM images of
<specimenCount id="9D2E23CCFFA92E0C16FD78C5FDE21BC7" box="[493,626,197,219]" pageId="31" pageNumber="1447" type="adult">three adult</specimenCount>
specimens. Body elongate, cylindrical, broadest in region of ventral sucker, tapering slightly posteriorly. Tegument armed with alternating rows of partially overlapping comblike scales; distal portion of scales forming up to 15 distinct tendrils. Eyespot pigment sparsely scattered in forebody and anterior third of hindbody. Oral sucker terminal, partially retractable, infundibuliform, broadest in anterior region with distinct reduction in diameter about mid-length continuing through to posterior margin; margin of anterior portion bearing crown of 14 bifid tentacles; outer branch of tentacles broad, conoid; inner branch of tentacles longer than outer, tendril-like, tapering distally. Ventral sucker in anterior third of body, round, smaller than oral sucker. Prepharynx short, distinct, sigmoid or looped. Pharynx ellipsoidal to dolioform, in line with oral sucker or rotated up to 90°. Oesophagus short, bifurcates just posterior to pharynx with proximal section reaching to ventral surface and opening as ventral anus, and distal portion expanding to form caecum. Caecum single, broadest in anterior region, passes from midforebody to close to posterior extremity, terminates blindly; gastrodermis well developed.
</paragraph>
<caption id="DF57B8CDFFA82E0D17B37E93FAD71C1E" ID-DOI="http://doi.org/10.5281/zenodo.5761804" ID-Zenodo-Dep="5761804" httpUri="https://zenodo.org/record/5761804/files/figure.png" pageId="30" pageNumber="1446" startId="30.[163,242,1683,1705]" targetBox="[164,1305,196,1637]" targetPageId="30">
<paragraph id="8B97E845FFA82E0D17B37E93FAD71C1E" blockId="30.[163,1444,1683,1794]" pageId="30" pageNumber="1446">
<emphasis id="B95C3457FFA82E0D17B37E93FE8A1DB4" bold="true" box="[163,282,1683,1705]" pageId="30" pageNumber="1446">Figure 13.</emphasis>
<taxonomicName id="4C2893C6FFA82E0D16357E94FDBD1DB6" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[293,557,1684,1706]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="30" pageNumber="1446" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FFA82E0D16357E94FDBD1DB6" box="[293,557,1684,1706]" italics="true" pageId="30" pageNumber="1446">Gorgocephalus graboides</emphasis>
</taxonomicName>
A, paratype ex
<taxonomicName id="4C2893C6FFA82E0D15C47E94FB9B1DB6" authority=", Lizard" authorityName="Lizard" box="[724,1035,1684,1706]" class="Actinopterygii" family="Kyphosidae" genus="Kyphosus" kingdom="Animalia" order="Perciformes" pageId="30" pageNumber="1446" phylum="Chordata" rank="species" species="cinerascens">
<emphasis id="B95C3457FFA82E0D15C47E94FC281DB6" box="[724,952,1684,1706]" italics="true" pageId="30" pageNumber="1446">Kyphosus cinerascens</emphasis>
, Lizard
</taxonomicName>
Island, Queensland, Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of paratype; lateral perspective. C, redia ex
<taxonomicName id="4C2893C6FFA82E0D12127EB1FEA01DF8" authority=", Lizard" authorityName="Lizard" class="Gastropoda" family="Littorinidae" genus="Echinolittorina" kingdom="Animalia" order="Littorinimorpha" pageId="30" pageNumber="1446" phylum="Mollusca" rank="species" species="vidua">
<emphasis id="B95C3457FFA82E0D12127EB1FF4F1DFF" italics="true" pageId="30" pageNumber="1446">Echinolittorina vidua</emphasis>
, Lizard
</taxonomicName>
Island; ventral perspective. D, emerged cercaria ex
<taxonomicName id="4C2893C6FFA82E0D145D7ECEFB101DF8" authority=", Lizard" authorityName="Lizard" box="[845,1152,1742,1764]" class="Gastropoda" family="Littorinidae" genus="Echinolittorina" kingdom="Animalia" order="Littorinimorpha" pageId="30" pageNumber="1446" phylum="Mollusca" rank="species" species="vidua">
<emphasis id="B95C3457FFA82E0D145D7ECEFBBF1DFF" box="[845,1071,1742,1763]" italics="true" pageId="30" pageNumber="1446">Echinolittorina vidua</emphasis>
, Lizard
</taxonomicName>
Island; ventral perspective. E, holotype ex
<taxonomicName id="4C2893C6FFA82E0D162C7EECFDFE1C1E" authority=", Lizard" authorityName="Lizard" box="[316,622,1772,1794]" class="Actinopterygii" family="Kyphosidae" genus="Kyphosus" kingdom="Animalia" order="Perciformes" pageId="30" pageNumber="1446" phylum="Chordata" rank="species" species="cinerascens">
<emphasis id="B95C3457FFA82E0D162C7EECFD8D1C1E" box="[316,541,1772,1794]" italics="true" pageId="30" pageNumber="1446">Kyphosus cinerascens</emphasis>
, Lizard
</taxonomicName>
Island; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm.
</paragraph>
</caption>
<paragraph id="8B97E845FFA92E0C17B97BA5FD831E74" blockId="31.[145,761,197,1905]" pageId="31" pageNumber="1447">Testes two, ellipsoidal, tandem, contiguous or separated, in mid hindbody. Vasa deferentia narrow, passing relatively direct from testes to cirrus-sac. Cirrus-sac elongate, cylindrical, gently winding, reaching from just anterior to ovary to posterior margin of ventral sucker. Internal seminal vesicle tubular, loops once about mid-length, occupies less than half length of cirrus-sac. Pars prostatica distinct, vesicular, less than half length of internal seminal vesicle, lined with anuclear cell-like bodies. Ejaculatory duct distinct, approximately equal in length to, or longer than, pars prostatica; opens into genital atrium. Genital atrium narrow, posterior-dorsal and subequal to ventral sucker. Genital pore small, round to irregular, opening dorsally at level of ventral sucker.</paragraph>
<paragraph id="8B97E845FFA92E0C17B97D71FBCC1A49" blockId="31.[145,761,197,1905]" lastBlockId="31.[809,1425,197,341]" pageId="31" pageNumber="1447">Ovary pre-testicular, pyriform, narrowing posteriorly toward union with oötype. Mehlis gland indistinct. Laurers canal opens dorsally at level of ovary. Canalicular seminal vesicle saccular, contiguous with and dorsal to ovary. Uterus narrow, passes posteriorly from oötype to anterior testis, loops back, gently winding anteriorly, forming muscular metraterm about mid-level of pars prostatica, opening into genital atrium adjacent to ejaculatory duct. Eggs few, oval, operculate, large; length often exceeding that of ovary. Vitellarium follicular, restricted to hindbody; fields reaching from about mid-cirrus-sac to near posterior extremity; dorsal, lateral and ventral fields confluent, wrap around body from dorsal midline to ventrosinistral and ventrodextral regions anterior to testes, wrap entire body posterior to testes. Vitelline reservoir between ovary and anterior testis; collecting ducts indistinct. Excretory pore terminal; excretory vesicle Y-shaped, passes anteriorly, bifurcating in testicular region, ducts passing anteriorly sinistrally and dextrally, terminating as enlarged pyriform sacs on either side of cirrus-sac.</paragraph>
<paragraph id="8B97E845FFA92E0C14397987FA021929" blockId="31.[809,1426,390,565]" pageId="31" pageNumber="1447">
<emphasis id="B95C3457FFA92E0C14397987FB351A87" box="[809,1189,390,412]" italics="true" pageId="31" pageNumber="1447">
Description of redia (
<figureCitation id="1313F4C0FFA92E0C132A7987FB0C1A87" box="[1082,1180,390,412]" captionStart="Figure 13" captionStartId="30.[163,242,1683,1705]" captionTargetBox="[164,1305,196,1637]" captionTargetId="figure-25@30.[163,1306,195,1638]" captionTargetPageId="30" captionText="Figure 13. Gorgocephalus graboides A, paratype ex Kyphosus cinerascens, Lizard Island, Queensland, Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of paratype; lateral perspective. C, redia ex Echinolittorina vidua, Lizard Island; ventral perspective. D, emerged cercaria ex Echinolittorina vidua, Lizard Island; ventral perspective. E, holotype ex Kyphosus cinerascens, Lizard Island; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm." figureDoi="http://doi.org/10.5281/zenodo.5761804" httpUri="https://zenodo.org/record/5761804/files/figure.png" pageId="31" pageNumber="1447">Fig 13C</figureCitation>
)
</emphasis>
: Measurements in
<tableCitation id="C6AADDFEFFA92E0C143979A5FCED1AA7" box="[809,893,421,443]" captionStart="Table 6" captionStartId="20.[163,227,196,217]" captionText="Table 6. Morphometric data for Gorgocephalus spp. cercariae and rediae expressed as a range and mean in micrometres or as percentages. Number of specimens measured presented as cercariae/rediae. Abbreviations: Bd, body; L, length; B, breadth; FBd, forebody; Esp, eyespot; OS, oral sucker; VS, ventral sucker; PPh, prepharynx; Ph, pharynx; Ta, tail; Int, Intestine. Egg measurements represent the mean obtained from multiple subsamples per specimen. Measurements of both eyespots combined for each cercaria" pageId="31" pageNumber="1447">Table 6</tableCitation>
. Description based on voucher material. Body elongate, broadest anteriorly, tapering posteriorly. Cercarial embryos numerous, poorly developed. Mouth terminal. Pharynx dolioform. Intestine short, globular, immediately posterior and subequal in size to pharynx.
</paragraph>
<paragraph id="8B97E845FFA92E0C14397A67FA031F54" blockId="31.[809,1427,614,1096]" pageId="31" pageNumber="1447">
<emphasis id="B95C3457FFA92E0C14397A67FB201967" box="[809,1200,614,636]" italics="true" pageId="31" pageNumber="1447">
Description of cercaria (
<figureCitation id="1313F4C0FFA92E0C13597A67FB381967" box="[1097,1192,614,636]" captionStart="Figure 13" captionStartId="30.[163,242,1683,1705]" captionTargetBox="[164,1305,196,1637]" captionTargetId="figure-25@30.[163,1306,195,1638]" captionTargetPageId="30" captionText="Figure 13. Gorgocephalus graboides A, paratype ex Kyphosus cinerascens, Lizard Island, Queensland, Australia; lateral perspective. B, genital atrium, cirrus-sac and ovarian complex of paratype; lateral perspective. C, redia ex Echinolittorina vidua, Lizard Island; ventral perspective. D, emerged cercaria ex Echinolittorina vidua, Lizard Island; ventral perspective. E, holotype ex Kyphosus cinerascens, Lizard Island; ventral perspective. Scale bars: A, E, 500 µm; B, C, D, 250 µm." figureDoi="http://doi.org/10.5281/zenodo.5761804" httpUri="https://zenodo.org/record/5761804/files/figure.png" pageId="31" pageNumber="1447">Fig 13E</figureCitation>
)
</emphasis>
: Measurements in
<tableCitation id="C6AADDFEFFA92E0C14397A85FCE91987" box="[809,889,645,667]" captionStart="Table 6" captionStartId="20.[163,227,196,217]" captionText="Table 6. Morphometric data for Gorgocephalus spp. cercariae and rediae expressed as a range and mean in micrometres or as percentages. Number of specimens measured presented as cercariae/rediae. Abbreviations: Bd, body; L, length; B, breadth; FBd, forebody; Esp, eyespot; OS, oral sucker; VS, ventral sucker; PPh, prepharynx; Ph, pharynx; Ta, tail; Int, Intestine. Egg measurements represent the mean obtained from multiple subsamples per specimen. Measurements of both eyespots combined for each cercaria" pageId="31" pageNumber="1447">Table 6</tableCitation>
. Description based on voucher material. Oculate gymnocephalous cercariae. Body elongate, fusiform. Eyespots two, in anterior forebody; additional pigment conspicuous, dispersed in forebody. Oral sucker terminal, infundibuliform. Ventral sucker post-equatorial, round. Prepharynx short, passes between eyespots. Pharynx ellipsoidal. Caecum single, terminating in region dorsal to ventral sucker. Tail longer than body, bipartite; proximal portion bearing series of lateral projections; distal portion scaled, lacking lateral projections. Excretory vesicle Y-shaped, arms extending to ventral sucker, stem extending to near posterior extremity; posterior collecting duct visible to first few scales of distal potion of tail; anterior collecting ducts not visible beyond ventral sucker. Genital primordia darkly stained, dorsal to ventral sucker.
</paragraph>
<paragraph id="8B97E845FFA92E0C14397C79FB011D65" blockId="31.[809,1426,1145,1903]" pageId="31" pageNumber="1447">
<emphasis id="B95C3457FFA92E0C14397C79FC051F92" box="[809,917,1145,1166]" italics="true" pageId="31" pageNumber="1447">Remarks:</emphasis>
There are no clear morphometric features that differentiate this species from
<taxonomicName id="4C2893C6FFA92E0C13F07C97FC111FD7" authorityName="Manter" authorityYear="1966" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="kyphosi">
<emphasis id="B95C3457FFA92E0C13F07C97FC111FD7" italics="true" pageId="31" pageNumber="1447">Gorgocephalus kyphosi</emphasis>
</taxonomicName>
, and these two species have overlapping host ranges at both the definitive and intermediate host level. However, the cirrus-sac can again be used for differentiation. In
<taxonomicName id="4C2893C6FFA92E0C131C7D12FB1B1E3B" authorityName="Manter" authorityYear="1966" box="[1036,1163,1298,1319]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="kyphosi">
<emphasis id="B95C3457FFA92E0C131C7D12FB8F1E3B" box="[1036,1055,1298,1319]" italics="true" pageId="31" pageNumber="1447">G</emphasis>
.
<emphasis id="B95C3457FFA92E0C13207D12FB1B1E3B" box="[1072,1163,1298,1319]" italics="true" pageId="31" pageNumber="1447">kyphosi</emphasis>
</taxonomicName>
, the ejaculatory duct is short and the internal seminal vesicle and pars prostatica each occupy about half of the cirrus-sac, whereas in
<taxonomicName id="4C2893C6FFA92E0C14A17D6EFBD21E9F" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[945,1090,1390,1411]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FFA92E0C14A17D6EFBD21E9F" box="[945,1090,1390,1411]" italics="true" pageId="31" pageNumber="1447">G. graboides</emphasis>
</taxonomicName>
the internal seminal vesicle occupies less than half of the cirrus-sac and the pars prostatica is less than half the length of the internal seminal vesicle; the remaining space is occupied by a long, distinct ejaculatory duct, which is about as long as, or longer than, the pars prostatica. Furthermore, the genital atrium is larger than the ventral sucker in specimens of
<taxonomicName id="4C2893C6FFA92E0C14D47E45FBAD1D46" authorityName="Manter" authorityYear="1966" box="[964,1085,1605,1626]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="kyphosi">
<emphasis id="B95C3457FFA92E0C14D47E45FC471D46" box="[964,983,1605,1626]" italics="true" pageId="31" pageNumber="1447">G</emphasis>
.
<emphasis id="B95C3457FFA92E0C14F57E45FBAD1D46" box="[997,1085,1605,1626]" italics="true" pageId="31" pageNumber="1447">kyphosi</emphasis>
</taxonomicName>
, whereas in
<taxonomicName id="4C2893C6FFA92E0C13C37E45FAF41D46" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[1235,1380,1605,1626]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FFA92E0C13C37E45FB761D46" box="[1235,1254,1605,1626]" italics="true" pageId="31" pageNumber="1447">G</emphasis>
.
<emphasis id="B95C3457FFA92E0C13E47E45FAF41D46" box="[1268,1380,1605,1626]" italics="true" pageId="31" pageNumber="1447">graboides</emphasis>
</taxonomicName>
the two features are similar in size.
</paragraph>
<paragraph id="8B97E845FFA92E0C14517E82FBC21C73" blockId="31.[809,1426,1145,1903]" pageId="31" pageNumber="1447">
From
<taxonomicName id="4C2893C6FFA92E0C14967E82FB341D8B" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[902,1188,1666,1687]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="euryaleae">
<emphasis id="B95C3457FFA92E0C14967E82FB341D8B" box="[902,1188,1666,1687]" italics="true" pageId="31" pageNumber="1447">Gorgocephalus euryaleae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C2893C6FFA92E0C13A17E82FAAF1D8B" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[1201,1343,1666,1687]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="31" pageNumber="1447" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FFA92E0C13A17E82FB541D8B" box="[1201,1220,1666,1687]" italics="true" pageId="31" pageNumber="1447">G</emphasis>
.
<emphasis id="B95C3457FFA92E0C13C17E82FAAF1D8B" box="[1233,1343,1666,1687]" italics="true" pageId="31" pageNumber="1447">graboides</emphasis>
</taxonomicName>
differs in having a shorter pars prostatica (occupying less than half, rather than more than half, of the cirrus-sac) and in having a longer ejaculatory duct (equal or greater in length than the pars prostatica vs. shorter than the pars prostatica). Although both species share
<taxonomicName id="4C2893C6FFA92E0C12687F1CFC3A1C4C" class="Actinopterygii" family="Kyphosidae" genus="Kyphosus" kingdom="Animalia" order="Perciformes" pageId="31" pageNumber="1447" phylum="Chordata" rank="species" species="cinerascens">
<emphasis id="B95C3457FFA92E0C12687F1CFA1A1C2D" box="[1400,1418,1820,1841]" italics="true" pageId="31" pageNumber="1447">K</emphasis>
.
<emphasis id="B95C3457FFA92E0C14397F3BFC3A1C4C" box="[809,938,1851,1872]" italics="true" pageId="31" pageNumber="1447">cinerascens</emphasis>
</taxonomicName>
as a host, they appear to be geographically isolated from one another.
</paragraph>
<paragraph id="8B97E845FF962E3317AB78C6FE751911" blockId="32.[163,780,197,1691]" pageId="32" pageNumber="1448">
From
<taxonomicName id="4C2893C6FF962E33161378C5FD851BC7" authorityName="Zhukov" authorityYear="1983" box="[259,533,197,219]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="manteri">
<emphasis id="B95C3457FF962E33161378C5FD851BC7" box="[259,533,197,219]" italics="true" pageId="32" pageNumber="1448">Gorgocephalus manteri</emphasis>
</taxonomicName>
,
<taxonomicName id="4C2893C6FF962E33153378C6FD261BC6" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[547,694,197,219]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E33153378C6FDA61BC7" box="[547,566,198,219]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33155578C5FD261BC6" box="[581,694,197,218]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
differs primarily in having a larger body and in having vitelline follicles restricted to the hindbody, rather than having them extend into the forebody. The cirrus-sac of
<taxonomicName id="4C2893C6FF962E3317AF7940FEC01A49" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[191,336,320,341]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3317AF7940FF421A49" box="[191,210,320,341]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317F07940FEC01A49" box="[224,336,320,341]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
also lacks the strong sigmoidal shape of that of
<taxonomicName id="4C2893C6FF962E331604795FFE1F1A68" authorityName="Zhukov" authorityYear="1983" box="[276,399,351,372]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="manteri">
<emphasis id="B95C3457FF962E331604795FFEB71A68" box="[276,295,351,372]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E331624795FFE1F1A68" box="[308,399,351,372]" italics="true" pageId="32" pageNumber="1448">manteri</emphasis>
</taxonomicName>
and based on the calculations of
<bibRefCitation id="EFB995B4FF962E3317B3797EFE1F1A8F" author="Bray RA &amp; Cribb TH" box="[163,399,381,403]" pageId="32" pageNumber="1448" pagination="39 - 46" refId="ref26480" refString="Bray RA, Cribb TH. 2005. Gorgocephalus yaaji n. sp. (Digenea: Gorgocephalidae) from the brassy chub Kyphosus vaigiensis (Perciformes: Kyphosidae) off Lizard Island, northern Great Barrier Reef and further records of G. kyphosi. Zootaxa 1068: 39 - 46." type="journal article" year="2005">Bray &amp; Cribb (2005)</bibRefCitation>
,
<taxonomicName id="4C2893C6FF962E33168C797DFD881A8F" authorityName="Zhukov" authorityYear="1983" box="[412,536,381,403]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="manteri">
<emphasis id="B95C3457FF962E33168C797DFE3F1A8E" box="[412,431,381,402]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316AD797EFD881A8F" box="[445,536,382,403]" italics="true" pageId="32" pageNumber="1448">manteri</emphasis>
</taxonomicName>
has, as a percentage of body length, a much greater body width (2834% vs. 811%), lesser ovary to ventral sucker distance (~5% vs. 2733%) and greater ovary to testis distance (~17% vs. 49%) than
<taxonomicName id="4C2893C6FF962E33164179F8FE4F1911" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[337,479,504,525]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E33164179F8FEF41911" box="[337,356,504,525]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33166179F8FE4F1911" box="[369,479,504,525]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8B97E845FF962E3317AB7A16FEF71F6F" blockId="32.[163,780,197,1691]" pageId="32" pageNumber="1448">
<taxonomicName id="4C2893C6FF962E3317AB7A16FE451937" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[187,469,534,555]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3317AB7A16FE451937" box="[187,469,534,555]" italics="true" pageId="32" pageNumber="1448">Gorgocephalus graboides</emphasis>
</taxonomicName>
is easily distinguished from
<taxonomicName id="4C2893C6FF962E3317B37A35FF6E1957" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[163,254,565,587]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3317B37A35FF261956" box="[163,182,565,586]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317D47A36FF6E1957" box="[196,254,566,587]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
in having a far less dorsoventrally flattened body, and in having vitelline follicles restricted to the hindbody, rather than having them extend into the forebody.
<taxonomicName id="4C2893C6FF962E3316047A91FDAE19BA" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[276,574,657,678]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3316047A91FDAE19BA" box="[276,574,657,678]" italics="true" pageId="32" pageNumber="1448">Gorgocephalus graboides</emphasis>
</taxonomicName>
also differs from
<taxonomicName id="4C2893C6FF962E3317B37AB0FE9319D9" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[163,259,688,709]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3317B37AB0FF2619D9" box="[163,182,688,709]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317D77AB0FE9319D9" box="[199,259,688,709]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
morphometrically, namely in having, as a percentage of body length, a shorter forebody (2126% vs. 3142%), a shorter pharynx (3.04.3% vs. 6.0 10.2%) and a longer testis to ventral sucker distance (3644% vs. 2232%).
<taxonomicName id="4C2893C6FF962E3316BB7B2AFD441823" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[427,724,810,831]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3316BB7B2AFD441823" box="[427,724,810,831]" italics="true" pageId="32" pageNumber="1448">Gorgocephalus graboides</emphasis>
</taxonomicName>
also has a lesser pharynx length to oral sucker length ratio than
<taxonomicName id="4C2893C6FF962E3317F07B68FEA91861" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[224,313,872,893]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3317F07B68FF631861" box="[224,243,872,893]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316107B68FEA91861" box="[256,313,872,893]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
(0.270.35 vs. 0.370.55). The inner and outer portions of the oral sucker tentacles of
<taxonomicName id="4C2893C6FF962E3315A07B87FC9B1880" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[688,779,903,924]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3315A07B87FD531880" box="[688,707,903,924]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3315C17B87FC9B1880" box="[721,779,903,924]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
are approximately equal in length, rather than having the inner portion longer like in
<taxonomicName id="4C2893C6FF962E3315287BC4FD4318C5" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[568,723,964,985]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3315287BC4FDDB18C5" box="[568,587,964,985]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33154D7BC4FD4318C5" box="[605,723,964,985]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
and the tegument scales of
<taxonomicName id="4C2893C6FF962E3316A77BE3FD8418E4" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[439,532,995,1016]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3316A77BE3FE5A18E4" box="[439,458,995,1016]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316C97BE3FD8418E4" box="[473,532,995,1016]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
have more posterior tendrils than those of
<taxonomicName id="4C2893C6FF962E3316B47C01FDA41F0A" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[420,564,1025,1046]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3316B47C01FE271F0A" box="[420,439,1025,1046]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316D57C01FDA41F0A" box="[453,564,1025,1046]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
(up to 18 vs. up to 15). Lastly, the cirrus-sac of
<taxonomicName id="4C2893C6FF962E3316F37C20FDFF1F29" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[483,623,1056,1077]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3316F37C20FDFF1F29" box="[483,623,1056,1077]" italics="true" pageId="32" pageNumber="1448">G. graboides</emphasis>
</taxonomicName>
is less robust than that of
<taxonomicName id="4C2893C6FF962E3316297C3FFE051F48" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[313,405,1087,1108]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3316297C3FFEDC1F48" box="[313,332,1087,1108]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33164B7C3FFE051F48" box="[347,405,1087,1108]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
and does not have the anterior portion recurved.
</paragraph>
</subSubSection>
<subSubSection id="C332BBCEFF962E3317AB7C7CFD3A1D87" pageId="32" pageNumber="1448" type="reference_group">
<paragraph id="8B97E845FF962E3317AB7C7CFD3A1D87" blockId="32.[163,780,197,1691]" pageId="32" pageNumber="1448">
<taxonomicName id="4C2893C6FF962E3317AB7C7CFE5B1F8D" ID-CoL="3H33C" authorityName="Manter" authorityYear="1966" box="[187,459,1148,1169]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="kyphosi">
<emphasis id="B95C3457FF962E3317AB7C7CFE5B1F8D" box="[187,459,1148,1169]" italics="true" pageId="32" pageNumber="1448">Gorgocephalus kyphosi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C2893C6FF962E3315187C7CFD0B1F8D" ID-CoL="86Y7V" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[520,667,1148,1169]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3315187C7CFD8B1F8D" box="[520,539,1148,1169]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33153A7C7CFD0B1F8D" box="[554,667,1148,1169]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
share an intermediate host,
<taxonomicName id="4C2893C6FF962E3316987C9AFD1C1FB3" ID-CoL="38JFB" box="[392,652,1178,1199]" class="Gastropoda" family="Littorinidae" genus="Echinolittorina" kingdom="Animalia" order="Littorinimorpha" pageId="32" pageNumber="1448" phylum="Mollusca" rank="species" species="vidua">
<emphasis id="B95C3457FF962E3316987C9AFD1C1FB3" box="[392,652,1178,1199]" italics="true" pageId="32" pageNumber="1448">Echinolittorina vidua</emphasis>
</taxonomicName>
, at Lizard Island, GBR, and other than the cercariae of
<taxonomicName id="4C2893C6FF962E3315E07CB9FE881FF1" ID-CoL="86Y7V" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3315E07CB9FC931FD2" box="[752,771,1209,1230]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317B37CD8FE881FF1" box="[163,280,1240,1261]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
having a somewhat more fusiform body shape, we were unable to find any clear morphometric or qualitative differences between the intramolluscan stages of these two species. Thus, intramolluscan stages of
<taxonomicName id="4C2893C6FF962E3316097D53FE091E7B" ID-CoL="3H33C" authorityName="Manter" authorityYear="1966" box="[281,409,1362,1384]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="kyphosi">
<emphasis id="B95C3457FF962E3316097D53FEBC1E74" box="[281,300,1363,1384]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33162D7D52FE091E7B" box="[317,409,1362,1383]" italics="true" pageId="32" pageNumber="1448">kyphosi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C2893C6FF962E3316CB7D53FDE41E7B" ID-CoL="86Y7V" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[475,628,1362,1384]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3316CB7D53FE7E1E74" box="[475,494,1363,1384]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316EF7D52FDE41E7B" box="[511,628,1362,1383]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
can only be distinguished on a molecular basis. The same subtle differences found between intramolluscan stages of
<taxonomicName id="4C2893C6FF962E3317D07DAFFEAB1EDF" ID-CoL="3H33C" authorityName="Manter" authorityYear="1966" box="[192,315,1454,1476]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="kyphosi">
<emphasis id="B95C3457FF962E3317D07DAFFF431ED8" box="[192,211,1455,1476]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317F27DAEFEAB1EDF" box="[226,315,1454,1475]" italics="true" pageId="32" pageNumber="1448">kyphosi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C2893C6FF962E3316687DAFFE441ED8" ID-CoL="6L28L" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[376,468,1455,1476]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3316687DAFFE1B1ED8" box="[376,395,1455,1476]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33168A7DAFFE441ED8" box="[410,468,1455,1476]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
apply when comparing
<taxonomicName id="4C2893C6FF962E3315E17DAFFE821EFE" ID-CoL="86Y7V" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3315E17DAFFC941ED8" box="[753,772,1455,1476]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317B37DCDFE821EFE" box="[163,274,1485,1506]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
to
<taxonomicName id="4C2893C6FF962E3316277DCDFE011EFF" ID-CoL="6L28L" authorityName="Bray &amp; Cribb" authorityYear="2005" box="[311,401,1485,1507]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E3316277DCDFEDA1EFE" box="[311,330,1485,1506]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316487DCEFE011EFF" box="[344,401,1486,1507]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
</taxonomicName>
. We obtained naturally emerged cercariae of
<taxonomicName id="4C2893C6FF962E33162D7DECFE481D1D" ID-CoL="86Y7V" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[317,472,1516,1537]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E33162D7DECFEC01D1D" box="[317,336,1516,1537]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3316727DECFE481D1D" box="[354,472,1516,1537]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
and did not observe the eyespot lenses described for naturally emerged cercariae of
<taxonomicName id="4C2893C6FF962E33163F7E29FDEC1D22" ID-CoL="6L28L" authority="(Huston et al., 2016)" baseAuthorityName="Huston" baseAuthorityYear="2016" box="[303,636,1577,1599]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="yaaji">
<emphasis id="B95C3457FF962E33163F7E29FED21D22" box="[303,322,1577,1598]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E33165F7E2AFE181D23" box="[335,392,1578,1599]" italics="true" pageId="32" pageNumber="1448">yaaji</emphasis>
(
<bibRefCitation id="EFB995B4FF962E3316887E29FDE21D23" author="Huston DC &amp; Cutmore SC &amp; Cribb TH" box="[408,626,1577,1599]" pageId="32" pageNumber="1448" pagination="653 - 665" refId="ref27118" refString="Huston DC, Cutmore SC, Cribb TH. 2016. The life-cycle of Gorgocephalus yaaji Bray &amp; Cribb, 2005 (Digenea: Gorgocephalidae) with a review of the first intermediate hosts for the superfamily Lepocreadioidea Odhner, 1905. Systematic Parasitology 93: 653 - 665." type="journal article" year="2016">
Huston
<emphasis id="B95C3457FF962E3316E47E2AFDBD1D22" box="[500,557,1577,1599]" italics="true" pageId="32" pageNumber="1448">et al.</emphasis>
, 2016
</bibRefCitation>
)
</taxonomicName>
. We also did not observe the posterior protuberance in the rediae of
<taxonomicName id="4C2893C6FF962E3317D17E67FEC61D67" ID-CoL="86Y7V" authorityName="Huston &amp; Cutmore &amp; Miller &amp; Sasal &amp; Smit &amp; Cribb" authorityYear="2021" box="[193,342,1638,1660]" class="Trematoda" family="Gorgocephalidae" genus="Gorgocephalus" kingdom="Animalia" order="Plagiorchiida" pageId="32" pageNumber="1448" phylum="Platyhelminthes" rank="species" species="graboides">
<emphasis id="B95C3457FF962E3317D17E67FF441D60" box="[193,212,1639,1660]" italics="true" pageId="32" pageNumber="1448">G</emphasis>
.
<emphasis id="B95C3457FF962E3317F47E66FEC61D67" box="[228,342,1638,1659]" italics="true" pageId="32" pageNumber="1448">graboides</emphasis>
</taxonomicName>
. However, as discussed above, these seem weak characters for species delineation.
</paragraph>
</subSubSection>
</treatment>
</document>