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<document id="249D42898410F3BF73BDF57A41C5B9B6" ID-CLB-Dataset="39222" ID-DOI="10.11646/zootaxa.4059.2.5" ID-GBIF-Dataset="35c9232b-6917-43f7-a169-bc4faacb4f47" ID-ISSN="1175-5326" ID-Zenodo-Dep="242703" ID-ZooBank="5D06E0D9-6529-4495-872B-2916A4849F9C" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461362017540" checkinUser="plazi" docAuthor="Caira, J. N. &amp; Jensen, K." docDate="2015" docId="03F9834FFF83FFD8FF6FFF21FBF5BBF9" docLanguage="en" docName="zt04059p350.pdf" docOrigin="Zootaxa 4059 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Phoreiobothrium jahki Caira &amp; Jensen, 2015, n. sp." docType="treatment" docVersion="8" lastPageNumber="337" masterDocId="FFC0FB37FF81FFDCFFF8FFFCFFC3BA71" masterDocTitle="Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)" masterLastPageNumber="350" masterPageNumber="335" pageNumber="337" updateTime="1698661853918" updateUser="ExternalLinkService">
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<mods:title id="F804985ED3364F45F991AAA51F3F6522">Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)</mods:title>
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<mods:namePart id="00D5BCA23B64F4820CA899F118D88861">Caira, J. N.</mods:namePart>
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<treatment id="03F9834FFF83FFD8FF6FFF21FBF5BBF9" ID-DOI="http://doi.org/10.5281/zenodo.6102842" ID-GBIF-Taxon="119648700" ID-Zenodo-Dep="6102842" LSID="urn:lsid:plazi:treatment:03F9834FFF83FFD8FF6FFF21FBF5BBF9" httpUri="http://treatment.plazi.org/id/03F9834FFF83FFD8FF6FFF21FBF5BBF9" lastPageId="4" lastPageNumber="337" pageId="2" pageNumber="337">
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<paragraph id="8BEF3259FF83FFDEFF6FFF21FE35BA86" blockId="2.[151,502,221,280]" box="[151,502,221,247]" pageId="2" pageNumber="337">
<heading id="D0A78535FF83FFDEFF6FFF21FE35BA86" bold="true" box="[151,502,221,247]" fontSize="11" level="1" pageId="2" pageNumber="337" reason="1">
<emphasis id="B924EE4BFF83FFDEFF6FFF21FE35BA86" bold="true" box="[151,502,221,247]" pageId="2" pageNumber="337">
<taxonomicName id="4C5049DAFF83FFDEFF6FFF21FE6EBA86" box="[151,429,221,247]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="2" pageNumber="337" phylum="Platyhelminthes" rank="species" species="jahki" status="sp. nov.">
<emphasis id="B924EE4BFF83FFDEFF6FFF21FE6EBA86" bold="true" box="[151,429,221,247]" italics="true" pageId="2" pageNumber="337">Phoreiobothrium jahki</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2175330FF83FFDEFE4CFF21FE35BA86" box="[436,502,221,247]" pageId="2" pageNumber="337" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BEF3259FF83FFDEFF6FFF03FED1BB69" blockId="2.[151,502,221,280]" box="[151,274,255,280]" pageId="2" pageNumber="337">
(
<figureCitation id="136B2EDCFF83FFDEFF67FF03FF2FBB69" box="[159,236,255,280]" captionStart="FIGURE 1" captionStartId="3.[151,250,1590,1612]" captionTargetBox="[174,1413,295,1562]" captionTargetId="figure@3.[156,1430,285,1577]" captionTargetPageId="3" captionText="FIGURE 1. Line drawings of Phoreiobothrium jahki n. sp. A. Scolex (LRP No. 8743). B. Hooks (USNM No. 1283353). C. Whole worm (MZUM [P] No. 2015.1 [H]). D. Terminal, immature proglottid (MZUM [P] No. 2015.1 [H])." httpUri="https://zenodo.org/record/242704/files/figure.png" pageId="2" pageNumber="337">Figs. 1</figureCitation>
,
<figureCitation id="136B2EDCFF83FFDEFF02FEFCFECABB69" box="[250,265,256,280]" captionStart="FIGURE 2" captionStartId="4.[151,250,1570,1592]" captionTargetBox="[151,1436,433,1538]" captionTargetId="figure@4.[151,1436,433,1548]" captionTargetPageId="4" captionText="FIGURE 2. Scanning electron micrographs of Phoreiobothrium jahki n. sp. A. Scolex, small letters indicate locations of Figures 2 D F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface." httpUri="https://zenodo.org/record/242705/files/figure.png" pageId="2" pageNumber="337">2</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C34A61D2FF83FFDEFF6FFEBBFD83B8F1" pageId="2" pageNumber="337" type="materials_examined">
<paragraph id="8BEF3259FF83FFDEFF6FFEBBFAF9BB11" blockId="2.[151,1437,327,2009]" box="[151,1338,327,352]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF6FFEBBFED2BB11" bold="true" box="[151,273,327,352]" pageId="2" pageNumber="337">
<typeStatus id="54EB8CFBFF83FFDEFF6FFEBBFF11BB11" box="[151,210,327,352]" pageId="2" pageNumber="337">Type</typeStatus>
host.
</emphasis>
<taxonomicName id="4C5049DAFF83FFDEFEE0FEBBFD83BB11" box="[280,576,327,352]" class="Elasmobranchii" family="Carcharhinidae" genus="Rhizoprionodon" kingdom="Animalia" order="Carcharhiniformes" pageId="2" pageNumber="337" phylum="Chordata" rank="species" species="acutus">
<emphasis id="B924EE4BFF83FFDEFEE0FEBBFE0EBB11" box="[280,461,327,352]" italics="true" pageId="2" pageNumber="337">Rhizoprionodon</emphasis>
cf.
<emphasis id="B924EE4BFF83FFDEFE0FFEB5FD83BB11" box="[503,576,329,352]" italics="true" pageId="2" pageNumber="337">acutus</emphasis>
</taxonomicName>
3 (sensu
<bibRefCitation id="EFC14FA8FF83FFDEFD53FEBBFC44BB11" author="Naylor" box="[683,903,327,352]" pageId="2" pageNumber="337" refString="Naylor, G. J. P., Caira, J. N., Jensen, K., Rosana, K. A. M., White, W. T. &amp; Last, P. R. (2012 b) A DNA sequence-based approached to the identification of shark and ray species and its implications for global elasmobranch diversity and parasitology. Bulletin of the American Museum of Natural History, 367, 1 - 262. http: // dx. doi. org / 10.1206 / 754.1" type="journal article" year="2012" yearSuffix="b">
Naylor
<emphasis id="B924EE4BFF83FFDEFCF8FEB5FCFBBB11" box="[768,824,327,352]" italics="true" pageId="2" pageNumber="337">et al.</emphasis>
2012b
</bibRefCitation>
) (
<taxonomicName id="4C5049DAFF83FFDEFC65FEBBFBB7BB11" box="[925,1140,327,352]" class="Elasmobranchii" kingdom="Animalia" order="Carcharhiniformes" pageId="2" pageNumber="337" phylum="Chordata" rank="order">Carcharhiniformes</taxonomicName>
,
<taxonomicName id="4C5049DAFF83FFDEFB86FEBBFAEDBB11" box="[1150,1326,327,352]" class="Elasmobranchii" family="Carcharhinidae" kingdom="Animalia" order="Carcharhiniformes" pageId="2" pageNumber="337" phylum="Chordata" rank="family">Carcharhinidae</taxonomicName>
).
</paragraph>
<paragraph id="8BEF3259FF83FFDEFF3FFE90FAD2BBF4" blockId="2.[151,1437,327,2009]" box="[199,1297,364,389]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF3FFE90FEA6BBF4" bold="true" box="[199,357,364,389]" pageId="2" pageNumber="337">
<typeStatus id="54EB8CFBFF83FFDEFF3FFE90FEC1BBF4" box="[199,258,364,389]" pageId="2" pageNumber="337">Type</typeStatus>
locality.
</emphasis>
South
<collectingCountry id="F34772C9FF83FFDEFE4CFE90FE34BBF4" box="[436,503,364,389]" name="China" pageId="2" pageNumber="337">China</collectingCountry>
Sea off
<collectingCountry id="F34772C9FF83FFDEFDADFE90FD7BBBF4" box="[597,696,364,389]" name="Malaysia" pageId="2" pageNumber="337">Sarawak</collectingCountry>
,
<collectingCountry id="F34772C9FF83FFDEFD3BFE90FCEFBBF4" box="[707,812,364,389]" name="Malaysia" pageId="2" pageNumber="337">Malaysia</collectingCountry>
, Borneo (
<geoCoordinate id="EE64549EFF83FFDEFC61FE90FB87BBF5" box="[921,1092,364,388]" direction="north" orientation="latitude" pageId="2" pageNumber="337" precision="1" value="2.817">02°49'01.20&quot;N</geoCoordinate>
,
<geoCoordinate id="EE64549EFF83FFDEFBB7FE90FAC7BBF4" box="[1103,1284,364,389]" direction="east" orientation="longitude" pageId="2" pageNumber="337" precision="1" value="110.87977">110°52'47.16&quot;E</geoCoordinate>
).
</paragraph>
<paragraph id="8BEF3259FF83FFDEFF3FFE73FD8BBBD9" blockId="2.[151,1437,327,2009]" box="[199,584,399,424]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF3FFE73FE5EBBD9" bold="true" box="[199,413,399,424]" pageId="2" pageNumber="337">Date of collection.</emphasis>
<date id="FFEE1499FF83FFDEFE5CFE6CFD86BBD9" box="[420,581,399,424]" pageId="2" pageNumber="337" value="2004-04-20">20 April 2004</date>
.
</paragraph>
<paragraph id="8BEF3259FF83FFDEFF3FFE48FACAB82D" blockId="2.[151,1437,327,2009]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF3FFE48FEB9BBBC" bold="true" box="[199,378,436,461]" pageId="2" pageNumber="337">
<typeStatus id="54EB8CFBFF83FFDEFF3FFE48FEC1BBBC" box="[199,258,436,461]" pageId="2" pageNumber="337">Type</typeStatus>
material.
</emphasis>
<typeStatus id="54EB8CFBFF83FFDEFE7EFE48FE2DBBBC" box="[390,494,436,461]" pageId="2" pageNumber="337" type="holotype">Holotype</typeStatus>
(
<collectionCode id="ED41AA9CFF83FFDEFDFBFE48FD9FBBBD" box="[515,604,436,460]" pageId="2" pageNumber="337">MZUM</collectionCode>
[P] No. 2015.1[H]; whole mount of immature worm) and 1
<typeStatus id="54EB8CFBFF83FFDEFAC4FE49FA5FBBBC" box="[1340,1436,437,461]" pageId="2" pageNumber="337" type="paratype">paratype</typeStatus>
(
<collectionCode id="ED41AA9CFF83FFDEFF66FE24FF34BB81" box="[158,247,472,496]" pageId="2" pageNumber="337">MZUM</collectionCode>
[P] No. 2015.2[P]; whole mount of immature worm); 1
<typeStatus id="54EB8CFBFF83FFDEFC76FE24FC2CBB81" box="[910,1007,472,496]" pageId="2" pageNumber="337" type="paratype">paratype</typeStatus>
(SBC No. P-00067; whole mount of immature worm); 4
<typeStatus id="54EB8CFBFF83FFDEFE81FE01FE26B864" box="[377,485,509,533]" pageId="2" pageNumber="337" type="paratype">paratypes</typeStatus>
(
<collectionCode id="ED41AA9CFF83FFDEFE0BFE00FD85B865" LSID="urn:lsid:biocol.org:col:34871" box="[499,582,508,532]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="2" pageNumber="337">USNM</collectionCode>
Nos. 12833531283356; whole mounts of 4 immature worms); 7
<typeStatus id="54EB8CFBFF83FFDEFAC9FE01FA5FB864" box="[1329,1436,509,533]" pageId="2" pageNumber="337" type="paratype">paratypes</typeStatus>
(LRP Nos. 87438749; whole mounts of 4 incomplete worms and 3 whole-mounted SEM strobilar vouchers). Scoleces examined with SEM retained at the University of Connecticut and the University of Kansas.
</paragraph>
<paragraph id="8BEF3259FF83FFDEFF3FFD9BFD83B8F1" blockId="2.[151,1437,327,2009]" box="[199,576,615,640]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF3FFD9BFE4AB8F1" bold="true" box="[199,393,615,640]" pageId="2" pageNumber="337">Site of infection.</emphasis>
Spiral intestine.
</paragraph>
</subSubSection>
<subSubSection id="C34A61D2FF83FFDEFF3FFD70FDF1B8B6" pageId="2" pageNumber="337" type="etymology">
<paragraph id="8BEF3259FF83FFDEFF3FFD70FDF1B8B6" blockId="2.[151,1437,327,2009]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF3FFD70FE8DB8D4" bold="true" box="[199,334,652,677]" pageId="2" pageNumber="337">Etymology.</emphasis>
This species honors Joseph (Jahk) Baer who, through the generosity of his mother Jennifer, now has a tapeworm to call his very own.
</paragraph>
</subSubSection>
<subSubSection id="C34A61D2FF83FFD8FF3FFD28FBF5BBF9" lastPageId="4" lastPageNumber="339" pageId="2" pageNumber="337" type="description">
<paragraph id="8BEF3259FF83FFDEFF3FFD28FE3CBF21" blockId="2.[151,1437,327,2009]" pageId="2" pageNumber="337">
<emphasis id="B924EE4BFF83FFDEFF3FFD28FE9AB89C" bold="true" box="[199,345,724,749]" pageId="2" pageNumber="337">Description.</emphasis>
(Based on 11 whole mounts of immature worms, and 3 immature worms prepared for SEM with their strobilar vouchers). Worms 4.47.8 (5.5 ± 1.1; 7) mm long, euapolytic or possibly hyperapolytic, greatest width 174311 (215 ± 56; 5) generally at level of posterior proglottid; 2941 (35 ± 4; 7) proglottids per worm. Scolex consisting of scolex proper bearing 4 essentially rectangular bothridia and cephalic peduncle, 152173 (164 ± 8; 10) wide at level of hooks. Bothridia 164196 (179 ± 10; 20; 10) long by 97125 (110 ± 9; 20; 11) wide; each bearing anterior muscular pad in form of loculus, 1 pair of hooks, and post-hook region divided into subequal anterior and posterior loculi. Muscular pad 2448 (33 ± 6; 16; 9) long, anterior margin without papillae. Anterior loculus conspicuously longer than posterior loculus, 111152 (128 ± 10; 19; 10) long, posterior margin bearing numerous papillae-like projections; posterior loculus shallowly obovoid in form, 3663 (50 ± 7; 22; 11) long, subdivided into 1015 (12 ± 2; 20; 10) subloculi; subloculi 815 (11 ± 2; 33; 11) wide, medial subloculi substantially longer than lateral subloculi; boundary between anterior and posterior loculi with double septum (
<figureCitation id="136B2EDCFF83FFDEFF66FBA3FEC7BE09" box="[158,260,1119,1144]" captionStart="FIGURE 2" captionStartId="4.[151,250,1570,1592]" captionTargetBox="[151,1436,433,1538]" captionTargetId="figure@4.[151,1436,433,1548]" captionTargetPageId="4" captionText="FIGURE 2. Scanning electron micrographs of Phoreiobothrium jahki n. sp. A. Scolex, small letters indicate locations of Figures 2 D F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface." httpUri="https://zenodo.org/record/242705/files/figure.png" pageId="2" pageNumber="337">Figure 2</figureCitation>
B). Hooks tri-pronged, each with blunt talon embedded in musculature of scolex; prongs unequal in length, hollow, covered with thin layer of tissue; accessory piece between bases of hooks in a pair absent. Lateral hook measurements: A 3239 (36 ± 3; 7), B 3041 (36 ± 4; 7), C 2229 (27 ± 2; 7), D 3548 (41 ± 5; 7), E 1823 (21 ± 2; 7), F 1419 (17 ± 2; 7); medial hook measurements: A' 3246 (38 ± 4; 14; 11), B' 3245 (40 ± 5; 14; 11), C' 2437 (31 ± 3; 14; 11), D' 4058 (50 ± 6; 14; 11), E' 1831 (23 ± 3; 14; 11), F' 1419 (17 ± 2; 14; 11); lateral and medial hooks approximately equal in length. Cephalic peduncle 6591,164 (919 ± 138.5; 11) long, with inconspicuous posterior margin.
</paragraph>
<paragraph id="8BEF3259FF83FFDEFF3FFAA0FD52BF91" blockId="2.[151,1437,327,2009]" pageId="2" pageNumber="337">
Apex of scolex proper, muscular pad, and proximal (
<figureCitation id="136B2EDCFF83FFDEFCCCFAA0FC5BBF05" box="[820,920,1372,1397]" captionStart="FIGURE 2" captionStartId="4.[151,250,1570,1592]" captionTargetBox="[151,1436,433,1538]" captionTargetId="figure@4.[151,1436,433,1548]" captionTargetPageId="4" captionText="FIGURE 2. Scanning electron micrographs of Phoreiobothrium jahki n. sp. A. Scolex, small letters indicate locations of Figures 2 D F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface." httpUri="https://zenodo.org/record/242705/files/figure.png" pageId="2" pageNumber="337">Figure 2</figureCitation>
E) and distal bothridial (
<figureCitation id="136B2EDCFF83FFDEFB41FAA0FADEBF05" box="[1209,1309,1372,1397]" captionStart="FIGURE 2" captionStartId="4.[151,250,1570,1592]" captionTargetBox="[151,1436,433,1538]" captionTargetId="figure@4.[151,1436,433,1548]" captionTargetPageId="4" captionText="FIGURE 2. Scanning electron micrographs of Phoreiobothrium jahki n. sp. A. Scolex, small letters indicate locations of Figures 2 D F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface." httpUri="https://zenodo.org/record/242705/files/figure.png" pageId="2" pageNumber="337">Figure 2</figureCitation>
F) surfaces covered with papilliform filitriches only. Cephalic peduncle covered with acicular filitriches and large gladiate spinitriches (
<figureCitation id="136B2EDCFF83FFDEFED7FA58FE5ABFCD" box="[303,409,1444,1469]" captionStart="FIGURE 2" captionStartId="4.[151,250,1570,1592]" captionTargetBox="[151,1436,433,1538]" captionTargetId="figure@4.[151,1436,433,1548]" captionTargetPageId="4" captionText="FIGURE 2. Scanning electron micrographs of Phoreiobothrium jahki n. sp. A. Scolex, small letters indicate locations of Figures 2 D F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface." httpUri="https://zenodo.org/record/242705/files/figure.png" pageId="2" pageNumber="337">Figure 2</figureCitation>
D). Strobila covered with capilliform filitriches and sparsely arranged large gladiate spinitriches decreasing in density posteriorly.
</paragraph>
<paragraph id="8BEF3259FF83FFD8FF3FFA10FBF5BBF9" blockId="2.[151,1437,327,2009]" lastBlockId="4.[151,1436,151,392]" lastPageId="4" lastPageNumber="339" pageId="2" pageNumber="337">
Proglottids acraspedote. Immature proglottids 2941 (35 ± 4; 7) in number, initially wider than long, becoming longer than wide with maturity; posterior-most immature proglottid 2711,146 (639 ± 274; 8) long by 168311 (211 ± 54; 7) wide. Mature and gravid proglottids not observed. Testes 72163 (110 ± 33; 8; 4) in number, of these 818 (12 ± 4; 7; 4) in postvaginal poral field, elongate oval to round, 1323 (18 ± 4; 9; 3) long by 12-42 (30 ± 8; 9; 3) wide, 1 layer deep in cross section, extending from anterior of proglottid to anterior margin of ovary, in 46 irregular columns anterior to cirrus sac. Vas deferens minimal, coiling at antero-medial margin of cirrus sac, entering cirrus sac at its antero-medial margin. Cirrus sac bent anteriorly, oblong, 77107 (87 ± 14; 4) long by 23 30 (27 ± 3; 5) wide, containing coiled cirrus; cirrus armed with spinitriches. Genital pores marginal, irregular alternating, 3957 (47 ± 7; 6) % of proglottid length from posterior end. Vagina weakly sinuous, extending along midline of proglottid from ootype region to anterior margin of cirrus sac, then laterally along anterior margin of cirrus sac, opening into common genital atrium anterior to cirrus sac. Ovary near posterior margin of proglottid, Hshaped in frontal view, bilobed in cross section, lobulated, essentially symmetrical, 89305 (185 ± 84; 5) long by 105171 (131 ± 35; 3) wide. Mehlis gland posterior to ovarian isthmus. Vitellarium follicular, in 2 lateral bands; each band consisting of 1 dorsal and 1 ventral column of follicles, extending from near anterior margin of
<emphasis id="B924EE4BFF82FFDFFF3FF96EFEF8BCDA" bold="true" box="[199,315,1682,1707]" pageId="3" pageNumber="338">Remarks.</emphasis>
<taxonomicName id="4C5049DAFF82FFDFFEBAF96EFD81BCDA" box="[322,578,1682,1707]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="jahki" status="sp. nov.">
<emphasis id="B924EE4BFF82FFDFFEBAF96EFD81BCDA" box="[322,578,1682,1707]" italics="true" pageId="3" pageNumber="338">Phoreiobothrium jahki</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2175330FF82FFDFFDB2F96EFD4ABCDA" box="[586,649,1682,1707]" pageId="3" pageNumber="338" rank="species">
<emphasis id="B924EE4BFF82FFDFFDB2F96EFD4ABCDA" bold="true" box="[586,649,1682,1707]" pageId="3" pageNumber="338">n. sp.</emphasis>
</taxonomicNameLabel>
is easily distinguished from the 11 valid members of the genus based on the unique presence of a shallowly obovoid posterior loculus in which the medial subloculi are conspicuously longer than the lateral subloculi. Furthermore, it possesses tri-pronged, rather than bi-pronged, hooks as seen in
<taxonomicName id="4C5049DAFF82FFDFFA7FF927FD9ABD66" authority="Caira, Healy &amp; Swanson, 1996" authorityName="Caira, Healy &amp; Swanson" authorityYear="1996" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="manieri">
<emphasis id="B924EE4BFF82FFDFFA7FF927FF2DBD67" italics="true" pageId="3" pageNumber="338">P. manieri</emphasis>
<bibRefCitation id="EFC14FA8FF82FFDFFF0EF902FD9ABD66" author="Caira" box="[246,601,1790,1815]" pageId="3" pageNumber="338" refString="Caira, J. N., Healy, C. J. &amp; Swanson, J. (1996) A new species of Phoreiobothrium (Cestoidea: Tetraphyllidea) from the great hammerhead shark Sphyrna mokarran and its implications for the evolution of the onchobothriid scolex. Journal of Parasitology, 82, 458 - 462." type="journal article" year="1996">Caira, Healy &amp; Swanson, 1996</bibRefCitation>
</taxonomicName>
, and basal prongs that are well developed, rather than extremely reduced, as in
<taxonomicName id="4C5049DAFF82FFDFFF21F8DFFDC0BD4B" authority="Linton, 1924" authorityName="Linton" authorityYear="1924" box="[217,515,1826,1851]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="exceptum">
<emphasis id="B924EE4BFF82FFDFFF21F8DFFEA1BD4B" box="[217,354,1827,1850]" italics="true" pageId="3" pageNumber="338">P. exceptum</emphasis>
<bibRefCitation id="EFC14FA8FF82FFDFFE94F8DEFDC0BD4B" author="Linton" box="[364,515,1826,1851]" pageId="3" pageNumber="338" refString="Linton, E. (1924) Notes on cestode parasites of sharks and skates. Proceedings of the United States National Museum, 64, 1 - 114." type="journal article" year="1924">Linton, 1924</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C5049DAFF82FFDFFDEAF8DFFB85BD4A" authority="Caira, Richmond &amp; Swanson, 2005" authorityName="Caira, Richmond &amp; Swanson" authorityYear="2005" box="[530,1094,1826,1851]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="lewinense">
<emphasis id="B924EE4BFF82FFDFFDEAF8DFFD5CBD4A" box="[530,671,1826,1851]" italics="true" pageId="3" pageNumber="338">P. lewinense</emphasis>
<bibRefCitation id="EFC14FA8FF82FFDFFD52F8DEFB85BD4A" author="Caira" box="[682,1094,1826,1851]" pageId="3" pageNumber="338" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">Caira, Richmond &amp; Swanson, 2005</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C5049DAFF82FFDFFB7BF8DFFEF1BD2E" authority="Srivastav &amp; Capoor, 1982" authorityName="Srivastav &amp; Capoor" authorityYear="1982" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="puriensis">
<emphasis id="B924EE4BFF82FFDFFB7BF8DFFACABD4B" box="[1155,1289,1827,1850]" italics="true" pageId="3" pageNumber="338">P. puriensis</emphasis>
<bibRefCitation id="EFC14FA8FF82FFDFFAEBF8DEFEF1BD2E" author="Srivastav" pageId="3" pageNumber="338" refString="Srivastav, A. K. &amp; Capoor, V. N. (1982) On a new cestode, Phoreiobothrium puriensis n. sp. Journal of the Zoological Society of India, 34, 82 - 85." type="journal article" year="1982">Srivastav &amp; Capoor, 1982</bibRefCitation>
</taxonomicName>
. Unlike those of
<taxonomicName id="4C5049DAFF82FFDFFE08F8BBFBF0BD2E" authority="Caira, Richmond &amp; Swanson, 2005" authorityName="Caira, Richmond &amp; Swanson" authorityYear="2005" box="[496,1075,1862,1887]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="anticaporum">
<emphasis id="B924EE4BFF82FFDFFE08F8BBFD59BD2F" box="[496,666,1863,1886]" italics="true" pageId="3" pageNumber="338">P. anticaporum</emphasis>
<bibRefCitation id="EFC14FA8FF82FFDFFD5AF8BAFBF0BD2E" author="Caira" box="[674,1075,1862,1887]" pageId="3" pageNumber="338" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">Caira, Richmond &amp; Swanson, 2005</bibRefCitation>
</taxonomicName>
, the genital pores are positioned in the middle, rather than at the extreme anterior margin of the proglottids (3957 vs. 8595% of proglottid length from posterior end). The anterior margin of its muscular pad (pre-hook region of
<bibRefCitation id="EFC14FA8FF82FFDFFBC6F872FAC2BDD6" author="Caira" box="[1086,1281,1934,1959]" pageId="3" pageNumber="338" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">
Caira
<emphasis id="B924EE4BFF82FFDFFB7CF873FB7EBDD6" box="[1156,1213,1934,1959]" italics="true" pageId="3" pageNumber="338">et al.</emphasis>
2005
</bibRefCitation>
) lacks, rather than possesses, 45 small, muscular papillae as seen in
<taxonomicName id="4C5049DAFF82FFDFFD06F84FFAA4BDBA" authority="Caira, Richmond &amp; Swanson, 2005" authorityName="Caira, Richmond &amp; Swanson" authorityYear="2005" box="[766,1383,1970,1995]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="3" pageNumber="338" phylum="Platyhelminthes" rank="species" species="perilocrocodilus">
<emphasis id="B924EE4BFF82FFDFFD06F84FFC12BDBA" box="[766,977,1970,1995]" italics="true" pageId="3" pageNumber="338">P. perilocrocodilus</emphasis>
<bibRefCitation id="EFC14FA8FF82FFDFFC2FF84EFAA4BDBA" author="Caira" box="[983,1383,1970,1995]" pageId="3" pageNumber="338" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">Caira, Richmond &amp; Swanson, 2005</bibRefCitation>
</taxonomicName>
. The number of subloculi distinguishes
<emphasis id="B924EE4BFF82FFDFFDD4F82BFD42BD9F" box="[556,641,2006,2031]" italics="true" pageId="3" pageNumber="338">P. j a hk i</emphasis>
<emphasis id="B924EE4BFF82FFDFFD69F82AFD17BD9E" bold="true" box="[657,724,2006,2031]" pageId="3" pageNumber="338">n. sp.</emphasis>
from an additional four species: it has a greater number of subloculi than
<taxonomicName id="4C5049DAFF85FFD8FEBFFF65FD4BBAC1" authority="Linton, 1924" authorityName="Linton" authorityYear="1924" box="[327,648,151,176]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="pectinatum">
<emphasis id="B924EE4BFF85FFD8FEBFFF65FE96BAC1" box="[327,341,153,176]" italics="true" pageId="4" pageNumber="339">P</emphasis>
.
<emphasis id="B924EE4BFF85FFD8FE91FF65FE26BAC1" box="[361,485,153,176]" italics="true" pageId="4" pageNumber="339">pectinatum</emphasis>
<bibRefCitation id="EFC14FA8FF85FFD8FE0AFF6BFD4BBAC1" author="Linton" box="[498,648,151,176]" pageId="4" pageNumber="339" refString="Linton, E. (1924) Notes on cestode parasites of sharks and skates. Proceedings of the United States National Museum, 64, 1 - 114." type="journal article" year="1924">Linton, 1924</bibRefCitation>
</taxonomicName>
(1015 vs. 67) but fewer than
<taxonomicName id="4C5049DAFF85FFD8FBE0FF65FE86BAA4" authority="Caira, Richmond &amp; Swanson, 2005" authorityName="Caira, Richmond &amp; Swanson" authorityYear="2005" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="blissorum">
<emphasis id="B924EE4BFF85FFD8FBE0FF65FB64BAC1" box="[1048,1191,151,176]" italics="true" pageId="4" pageNumber="339">P. blissorum</emphasis>
<bibRefCitation id="EFC14FA8FF85FFD8FB4CFF6BFE86BAA4" author="Caira" pageId="4" pageNumber="339" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">Caira, Richmond &amp; Swanson, 2005</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C5049DAFF85FFD8FEA9FF41FD93BAA5" authority="Linton, 1889" authorityName="Linton" authorityYear="1889" box="[337,592,188,213]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="lasium">
<emphasis id="B924EE4BFF85FFD8FEA9FF41FE77BAA4" box="[337,436,188,213]" italics="true" pageId="4" pageNumber="339">P. lasium</emphasis>
<bibRefCitation id="EFC14FA8FF85FFD8FE47FF40FD93BAA5" author="Linton" box="[447,592,188,213]" pageId="4" pageNumber="339" refString="Linton, E. (1889) Notes on Entozoa of marine fishes of New England, with descriptions of several new species. Annual Report of the Commissioner of Fish and Fisheries (1886), 14, 453 - 511." type="journal article" year="1889">Linton, 1889</bibRefCitation>
</taxonomicName>
(as redescribed by
<bibRefCitation id="EFC14FA8FF85FFD8FCD3FF40FC2ABAA4" author="Caira" box="[811,1001,188,213]" pageId="4" pageNumber="339" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">
Caira
<emphasis id="B924EE4BFF85FFD8FC97FF41FC6BBAA4" box="[879,936,188,213]" italics="true" pageId="4" pageNumber="339">et al.</emphasis>
2005
</bibRefCitation>
) and
<taxonomicName id="4C5049DAFF85FFD8FBD0FF41FE86BA89" authority="Caira, Richmond &amp; Swanson, 2005" authorityName="Caira, Richmond &amp; Swanson" authorityYear="2005" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="robertsoni">
<emphasis id="B924EE4BFF85FFD8FBD0FF41FB7BBAA4" box="[1064,1208,188,213]" italics="true" pageId="4" pageNumber="339">P. robertsoni</emphasis>
<bibRefCitation id="EFC14FA8FF85FFD8FB47FF40FE86BA89" author="Caira" pageId="4" pageNumber="339" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">Caira, Richmond &amp; Swanson, 2005</bibRefCitation>
</taxonomicName>
(1015 vs. 2331, 2530 and 2529, respectively).
<taxonomicName id="4C5049DAFF85FFD8FC5DFF23FB64BA89" box="[933,1191,223,248]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="jahki" status="sp. nov.">
<emphasis id="B924EE4BFF85FFD8FC5DFF23FB64BA89" box="[933,1191,223,248]" italics="true" pageId="4" pageNumber="339">Phoreiobothrium jahki</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2175330FF85FFD8FB49FF23FB31BA89" box="[1201,1266,223,248]" pageId="4" pageNumber="339" rank="species">
<emphasis id="B924EE4BFF85FFD8FB49FF23FB31BA89" bold="true" box="[1201,1266,223,248]" pageId="4" pageNumber="339">n. sp.</emphasis>
</taxonomicNameLabel>
further differs from
<taxonomicName id="4C5049DAFF85FFD8FF20FEF9FD3FBB6D" authority="Cheung, Nigrelli &amp; Ruggieri, 1982" authorityName="Cheung, Nigrelli &amp; Ruggieri" authorityYear="1982" box="[216,764,260,285]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="tiburonis">
<emphasis id="B924EE4BFF85FFD8FF20FEF9FF25BB6D" box="[216,230,261,284]" italics="true" pageId="4" pageNumber="339">P</emphasis>
.
<emphasis id="B924EE4BFF85FFD8FF0FFEF8FE98BB6C" box="[247,347,260,285]" italics="true" pageId="4" pageNumber="339">tiburonis</emphasis>
<bibRefCitation id="EFC14FA8FF85FFD8FE9DFEF8FD3FBB6D" author="Cheung" box="[357,764,260,285]" pageId="4" pageNumber="339" refString="Cheung, P. L., Nigrelli, R. F. &amp; Ruggieri, G. D. (1982) Phoreiobothrium tiburonis, new species, (Cestoda: Onchobothriidae) from bonnethead shark, Sphyrna tiburo (L.). Journal of Aquariculture, 2, 81 - 85." type="journal article" year="1982">Cheung, Nigrelli &amp; Ruggieri, 1982</bibRefCitation>
</taxonomicName>
(as redescribed by
<bibRefCitation id="EFC14FA8FF85FFD8FC1CFEF8FB68BB6C" author="Caira" box="[996,1195,260,285]" pageId="4" pageNumber="339" refString="Caira, J. N., Richmond, C. &amp; Swanson, J. (2005) A revision of Phoreiobothrium (Tetraphyllidea: Onchobothriidae) with descriptions of five new species. Journal of Parasitology, 91, 1153 - 1174. http: // dx. doi. org / 10.1645 / GE- 3459.1" type="journal article" year="2005">
Caira
<emphasis id="B924EE4BFF85FFD8FBD3FEF9FBA4BB6C" box="[1067,1127,260,285]" italics="true" pageId="4" pageNumber="339">et al.</emphasis>
2005
</bibRefCitation>
) in its possession of smaller hooks (e.g., B 3041 vs. 4060, C 2220 vs. 3553); these species also differ in that whereas fully mature proglottids were never seen on the strobila of the new species,
<taxonomicName id="4C5049DAFF85FFD8FC7AFEB1FBC6BB14" box="[898,1029,332,357]" class="Cestoda" family="Onchobothriidae" genus="Phoreiobothrium" kingdom="Animalia" order="Tetraphyllidea" pageId="4" pageNumber="339" phylum="Platyhelminthes" rank="species" species="tiburonis">
<emphasis id="B924EE4BFF85FFD8FC7AFEB1FBC6BB14" box="[898,1029,332,357]" italics="true" pageId="4" pageNumber="339">P. tiburonis</emphasis>
</taxonomicName>
bears 13 on the strobila. In their original description of this species
<bibRefCitation id="EFC14FA8FF85FFD8FDE6FE93FCC6BBF9" box="[542,773,367,392]" pageId="4" pageNumber="339" refString="Cheung, P. L., Nigrelli, R. F. &amp; Ruggieri, G. D. (1982) Phoreiobothrium tiburonis, new species, (Cestoda: Onchobothriidae) from bonnethead shark, Sphyrna tiburo (L.). Journal of Aquariculture, 2, 81 - 85." type="journal article">
Cheung
<emphasis id="B924EE4BFF85FFD8FD84FE8DFD77BBF9" box="[636,692,367,392]" italics="true" pageId="4" pageNumber="339">et al.</emphasis>
(1982)
</bibRefCitation>
even reported seeing eggs.
</paragraph>
</subSubSection>
</treatment>
</document>