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<document ID-DOI="10.1371/journal.pone.0149556" ID-GBIF-Dataset="f02345d5-4425-434a-8574-883833ae0b6f" ID-PMC="PMC4784953" ID-PubMed="26958842" ID-Zenodo-Dep="1161582" checkinTime="1517115034139" checkinUser="plazi" docAuthor="Benny K. K. Chan, H. - N. Chen, P. R. Dando, A. J. Southward &amp; E. C. Southward" docDate="2016" docId="03D887BE63078403C77949FC0B0CF967" docLanguage="en" docName="journal.pone.0149556.PDF" docOrigin="PLoS ONE 11 (3)" docStyle="DocumentStyle{}" docTitle="Chthamalus Ranzani 1817" docType="treatment" docVersion="11" lastPageNumber="14" masterDocId="FFE1FFC6630B840EC56C4C1A0E10FFDD" masterDocTitle="Biodiversity and Biogeography of Chthamalid Barnacles from the North-Eastern Pacific (Crustacea Cirripedia)" masterLastPageNumber="51" masterPageNumber="1" pageNumber="13" updateTime="1668134660285" updateUser="ExternalLinkService">
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<mods:title>Biodiversity and Biogeography of Chthamalid Barnacles from the North-Eastern Pacific (Crustacea Cirripedia)</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Benny K. K. Chan</mods:namePart>
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<mods:namePart>H. - N. Chen</mods:namePart>
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<mods:namePart>P. R. Dando</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>A. J. Southward</mods:namePart>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>E. C. Southward</mods:namePart>
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<mods:title>PLoS ONE</mods:title>
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<mods:date>2016</mods:date>
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<mods:number>2016-03-09</mods:number>
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<mods:number>11</mods:number>
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<mods:identifier type="DOI">10.1371/journal.pone.0149556</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4426652" ID-GBIF-Taxon="140512815" ID-Zenodo-Dep="4426652" LSID="urn:lsid:plazi:treatment:03D887BE63078403C77949FC0B0CF967" httpUri="http://treatment.plazi.org/id/03D887BE63078403C77949FC0B0CF967" lastPageId="13" lastPageNumber="14" pageId="12" pageNumber="13">
<subSubSection box="[533,1052,1510,1540]" pageId="12" pageNumber="13" type="nomenclature">
<paragraph blockId="12.[533,1052,1510,1540]" box="[533,1052,1510,1540]" pageId="12" pageNumber="13">
<heading box="[533,1052,1510,1540]" centered="true" fontSize="12" level="3" pageId="12" pageNumber="13" reason="1">
<emphasis box="[533,863,1510,1540]" italics="true" pageId="12" pageNumber="13">
<taxonomicName authorityName="Ranzani" authorityYear="1817" box="[533,701,1510,1540]" class="Maxillopoda" family="Chthamalidae" genus="Chthamalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Sessilia" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Chthamalus</taxonomicName>
anisopoma
</emphasis>
Pilsbry, 1916
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[533,704,1560,1585]" pageId="12" pageNumber="13" type="description">
<paragraph blockId="12.[533,1525,1560,1897]" box="[533,704,1560,1585]" pageId="12" pageNumber="13">
<figureCitation box="[533,613,1561,1585]" captionStart="Fig2" captionStartId="8.[96,128,1511,1531]" captionTargetBox="[99,1277,211,1487]" captionTargetId="figure@8.[96,1280,208,1490]" captionTargetPageId="8" captionText="Fig2. LiveChthamalusspeciesphotographedunderwater.A,mixedpopulationsofCanisopoma(CAN),withwhite-edgedtergoscutalflaps,Balanus inexpectatatus(BI)withwhitetergoscutalflapsandChthamalusalaninom.nov.(CA)withorangetergoscutalflaps(fromLaPaz,BajaCalifornia).B,C.alani showingorangetergoscutalflaps(fromLaPaz).C,C.hedgcockishowingorangetergoscutalflaps(fromPointLobos,TodosSantos,BajaCalifornia).D, Chthamalusnewmanisp.nov.showingbrowntergoscutalflaps(fromFarfanPoint,Panama).E,F,mixedpopulationofC.panamensis(CP)showingorange tergoscutalflapsandC.newmani(CN)showingbrowntergoscutalflaps(E,BalboaStatue.PanamaCityandF,NaosIsland). doi:10.1371/journal.pone.0149556.g002" httpUri="https://zenodo.org/record/1161639/files/figure.png" pageId="12" pageNumber="13">Figs 2A</figureCitation>
and
<figureCitation box="[665,704,1560,1585]" captionStart-0="Fig6" captionStart-1="Fig7" captionStart-2="Fig8" captionStartId-0="14.[96,128,1585,1605]" captionStartId-1="15.[96,128,1733,1753]" captionStartId-2="16.[96,128,1733,1753]" captionTargetBox-0="[99,1501,211,1561]" captionTargetBox-1="[100,1130,210,1708]" captionTargetBox-2="[100,1130,211,1708]" captionTargetId-0="figure@14.[96,1504,208,1564]" captionTargetId-1="figure@15.[96,1136,208,1712]" captionTargetId-2="figure@16.[96,1133,208,1712]" captionTargetPageId-0="14" captionTargetPageId-1="15" captionTargetPageId-2="16" captionText-0="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" captionText-1="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" captionText-2="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri-0="https://zenodo.org/record/1161608/files/figure.png" httpUri-1="https://zenodo.org/record/1161643/files/figure.png" httpUri-2="https://zenodo.org/record/1161594/files/figure.png" pageId="12" pageNumber="13">68</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="12" pageNumber="13" type="reference_group">
<paragraph blockId="12.[533,1525,1560,1897]" pageId="12" pageNumber="13">
<emphasis box="[565,815,1595,1619]" italics="true" pageId="12" pageNumber="13">
<taxonomicName authorityName="Ranzani" authorityYear="1817" box="[565,693,1595,1619]" class="Maxillopoda" family="Chthamalidae" genus="Chthamalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Sessilia" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Chthamalus</taxonomicName>
anisopoma
</emphasis>
Pilsbry, 1916: 317, pl 74, fig 22f. [
<bibRefCitation box="[1183,1196,1596,1620]" pageId="12" pageNumber="13" refString="2. Pilsbry HA. The sessile barnacles (Cirripedia) contained in the collections of the U. S. National Museum; including a monograph of the American species. U. S. National Museum Bulletin no. 93: 1 - 366.">2</bibRefCitation>
]—Barnes &amp; Barnes, 1965: 392. [
<bibRefCitation author="Barnes H &amp; Barnes M." box="[542,568,1630,1654]" journalOrPublisher="Journal of Animal Ecology" pageId="12" pageNumber="13" pagination="391 - 402" part="34" refString="26. Barnes H, Barnes M. Egg size, nauplius size and their variation with local, geographical and specific factors in some common cirripedes. Journal of Animal Ecology 1965; 34: 391 - 402." title="Egg size, nauplius size and their variation with local, geographical and specific factors in some common cirripedes" type="journal article" year="1965">26</bibRefCitation>
]—Henry, 1942: 127. [
<bibRefCitation author="Henry DP." box="[803,829,1630,1654]" journalOrPublisher="University of Washington Publications in Oceanography" pageId="12" pageNumber="13" pagination="1 - 48" part="4" refString="27. Henry DP. Studies on the sessile Cirripedia of the Pacific coast of North America. University of Washington Publications in Oceanography. 1942; 4: 1 - 48." title="Studies on the sessile Cirripedia of the Pacific coast of North America" type="journal article" year="1942">27</bibRefCitation>
]—Henry, 1943: 372. [
<bibRefCitation author="Henry DP." box="[1064,1090,1630,1654]" journalOrPublisher="Proceedings of the United States National Museum" pageId="12" pageNumber="13" pagination="367 - 73" part="93" refString="28. Henry DP. Notes on some barnacles from the Gulf of California. Proceedings of the United States National Museum. 1943; 93: 367 - 73." title="Notes on some barnacles from the Gulf of California" type="journal article" year="1943">28</bibRefCitation>
]—Henry, 1960: 144 [
<bibRefCitation author="Henry DP." box="[1319,1345,1630,1654]" journalOrPublisher="University of Washington Publications in Oceanography" pageId="12" pageNumber="13" pagination="135 - 58" part="4" refString="29. Henry DP. Thoracic Cirripedia of the Gulf of California. University of Washington Publications in Oceanography. 1960; 4: 135 - 58." title="Thoracic Cirripedia of the Gulf of California" type="journal article" year="1960">29</bibRefCitation>
]—Kolosvary, 1941: 70. [
<bibRefCitation author="Kolosvary G." box="[643,669,1665,1689]" journalOrPublisher="Zoologischerl Anzeiger" pageId="12" pageNumber="13" pagination="67 - 81" part="133" refString="30. Kolosvary G. Die Formenkreise der Chthamaliden. Zoologischerl Anzeiger. 1941; 133: 67 - 81." title="Die Formenkreise der Chthamaliden" type="journal article" year="1941">30</bibRefCitation>
]—Nilsson-Cantell, 1921: 276. [
<bibRefCitation author="Nilsson-Cantell CA." box="[1002,1028,1665,1689]" journalOrPublisher="Zoologiska bidrag fran Uppsala" pageId="12" pageNumber="13" pagination="75 - 395" part="7" refString="31. Nilsson-Cantell CA. Cirripedien-Studien. Zur Kenntnis der Biologie, Anatomie and Systematik dieser gruppe. Zoologiska bidrag fran Uppsala. 1921; 7: 75 - 395." title="Cirripedien-Studien. Zur Kenntnis der Biologie, Anatomie and Systematik dieser gruppe" type="journal article" year="1921">31</bibRefCitation>
]—Pitombo &amp; Burton, 2007: 14. [
<bibRefCitation author="Pitombo FB &amp; Burton R." box="[1380,1406,1665,1689]" journalOrPublisher="Zootaxa" pageId="12" pageNumber="13" pagination="1 - 30" part="1547" refString="12. Pitombo FB, Burton R. Systematics and biogeography of Tropical Eastern Pacific Chthamalus with descriptions of two new species (Cirripedia, Thoracica). Zootaxa. 2007; 1547: 1 - 30." title="Systematics and biogeography of Tropical Eastern Pacific Chthamalus with descriptions of two new species (Cirripedia, Thoracica)" type="journal article" year="2007">12</bibRefCitation>
]
</paragraph>
</subSubSection>
<subSubSection pageId="12" pageNumber="13" type="materials_examined">
<paragraph blockId="12.[533,1525,1560,1897]" pageId="12" pageNumber="13">
<emphasis bold="true" box="[565,802,1699,1723]" pageId="12" pageNumber="13">Specimens examined.</emphasis>
AJS-2, 36 specimens, intertidal shores, La Paz Bay, Baja California, 24° 13' N, 110° 18.6' W, 3 Nov 1978; AJS-3, 6 specimens, intertidal shores, Point Lobos,Todos Santos, Baja California Sur, Mexico, 23° 24.8' N, 110° 57' W, 4 Nov 1978.
</paragraph>
<paragraph blockId="12.[533,1525,1560,1897]" pageId="12" pageNumber="13">TEPE78-24, 12 specimens, intertidal rocks, Isla Cerralvo, Baja California Sur, Mexico, 24° 08' N, 109° 48' W, 14 April, 1978; TEPE78-35, 36 specimens, La Paz Promenade, Baja California Sur, Mexico, 24° 09' N, 110° 15' W, 18 April, 1978.</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="diagnosis">
<paragraph blockId="13.[533,1536,207,1722]" pageId="13" pageNumber="14">
<emphasis bold="true" box="[565,682,207,231]" pageId="13" pageNumber="14">Diagnosis.</emphasis>
<taxonomicName authorityName="Ranzani" authorityYear="1817" box="[703,831,208,232]" class="Maxillopoda" family="Chthamalidae" genus="Chthamalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Sessilia" pageId="13" pageNumber="14" phylum="Arthropoda" rank="genus">
<emphasis box="[703,831,208,232]" italics="true" pageId="13" pageNumber="14">Chthamalus</emphasis>
</taxonomicName>
with strongly asymmetrical scuta and terga. Orifice often filled by left or right tergum and scutum. Cirrus I distalmost segment of posterior ramus with 23 bidenticulate setae. Cirrus II with bidenticulate setae with basal guards on the 4 distalmost segments of the posterior ramus and with bidenticulate setae with basal guards on the two distal segments of the anterior ramus. White tergoscutal flaps in fresh specimens.
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="description">
<paragraph blockId="13.[533,1536,207,1722]" pageId="13" pageNumber="14">
<emphasis bold="true" box="[565,704,381,405]" pageId="13" pageNumber="14">Description.</emphasis>
Shell white, depressed conic, external surface strongly and irregularly ribbed (
<figureCitation box="[540,621,416,440]" captionStart="Fig2" captionStartId="8.[96,128,1511,1531]" captionTargetBox="[99,1277,211,1487]" captionTargetId="figure@8.[96,1280,208,1490]" captionTargetPageId="8" captionText="Fig2. LiveChthamalusspeciesphotographedunderwater.A,mixedpopulationsofCanisopoma(CAN),withwhite-edgedtergoscutalflaps,Balanus inexpectatatus(BI)withwhitetergoscutalflapsandChthamalusalaninom.nov.(CA)withorangetergoscutalflaps(fromLaPaz,BajaCalifornia).B,C.alani showingorangetergoscutalflaps(fromLaPaz).C,C.hedgcockishowingorangetergoscutalflaps(fromPointLobos,TodosSantos,BajaCalifornia).D, Chthamalusnewmanisp.nov.showingbrowntergoscutalflaps(fromFarfanPoint,Panama).E,F,mixedpopulationofC.panamensis(CP)showingorange tergoscutalflapsandC.newmani(CN)showingbrowntergoscutalflaps(E,BalboaStatue.PanamaCityandF,NaosIsland). doi:10.1371/journal.pone.0149556.g002" httpUri="https://zenodo.org/record/1161639/files/figure.png" pageId="13" pageNumber="14">Figs 2A</figureCitation>
and
<figureCitation box="[672,702,416,440]" captionStart="Fig6" captionStartId="14.[96,128,1585,1605]" captionTargetBox="[99,1501,211,1561]" captionTargetId="figure@14.[96,1504,208,1564]" captionTargetPageId="14" captionText="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" httpUri="https://zenodo.org/record/1161608/files/figure.png" pageId="13" pageNumber="14">6A</figureCitation>
). Eroded specimens often have the basal region of the shell ribbe d but the apical region is smooth. Orifice elliptical and often closed by the left tergum and scutum (
<figureCitation box="[1392,1473,450,474]" captionStart="Fig2" captionStartId="8.[96,128,1511,1531]" captionTargetBox="[99,1277,211,1487]" captionTargetId="figure@8.[96,1280,208,1490]" captionTargetPageId="8" captionText="Fig2. LiveChthamalusspeciesphotographedunderwater.A,mixedpopulationsofCanisopoma(CAN),withwhite-edgedtergoscutalflaps,Balanus inexpectatatus(BI)withwhitetergoscutalflapsandChthamalusalaninom.nov.(CA)withorangetergoscutalflaps(fromLaPaz,BajaCalifornia).B,C.alani showingorangetergoscutalflaps(fromLaPaz).C,C.hedgcockishowingorangetergoscutalflaps(fromPointLobos,TodosSantos,BajaCalifornia).D, Chthamalusnewmanisp.nov.showingbrowntergoscutalflaps(fromFarfanPoint,Panama).E,F,mixedpopulationofC.panamensis(CP)showingorange tergoscutalflapsandC.newmani(CN)showingbrowntergoscutalflaps(E,BalboaStatue.PanamaCityandF,NaosIsland). doi:10.1371/journal.pone.0149556.g002" httpUri="https://zenodo.org/record/1161639/files/figure.png" pageId="13" pageNumber="14">Figs 2A</figureCitation>
and
<figureCitation box="[533,564,485,509]" captionStart="Fig6" captionStartId="14.[96,128,1585,1605]" captionTargetBox="[99,1501,211,1561]" captionTargetId="figure@14.[96,1504,208,1564]" captionTargetPageId="14" captionText="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" httpUri="https://zenodo.org/record/1161608/files/figure.png" pageId="13" pageNumber="14">6A</figureCitation>
). Tergoscutal flaps have white edge (
<figureCitation box="[947,1017,485,509]" captionStart="Fig2" captionStartId="8.[96,128,1511,1531]" captionTargetBox="[99,1277,211,1487]" captionTargetId="figure@8.[96,1280,208,1490]" captionTargetPageId="8" captionText="Fig2. LiveChthamalusspeciesphotographedunderwater.A,mixedpopulationsofCanisopoma(CAN),withwhite-edgedtergoscutalflaps,Balanus inexpectatatus(BI)withwhitetergoscutalflapsandChthamalusalaninom.nov.(CA)withorangetergoscutalflaps(fromLaPaz,BajaCalifornia).B,C.alani showingorangetergoscutalflaps(fromLaPaz).C,C.hedgcockishowingorangetergoscutalflaps(fromPointLobos,TodosSantos,BajaCalifornia).D, Chthamalusnewmanisp.nov.showingbrowntergoscutalflaps(fromFarfanPoint,Panama).E,F,mixedpopulationofC.panamensis(CP)showingorange tergoscutalflapsandC.newmani(CN)showingbrowntergoscutalflaps(E,BalboaStatue.PanamaCityandF,NaosIsland). doi:10.1371/journal.pone.0149556.g002" httpUri="https://zenodo.org/record/1161639/files/figure.png" pageId="13" pageNumber="14">Fig 2A</figureCitation>
) (the white colour is still visible after preservation in formalin or ethanol). Scutum and tergum strongly asymetrical (
<figureCitation box="[1221,1333,519,544]" captionStart="Fig6" captionStartId="14.[96,128,1585,1605]" captionTargetBox="[99,1501,211,1561]" captionTargetId="figure@14.[96,1504,208,1564]" captionTargetPageId="14" captionText="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" httpUri="https://zenodo.org/record/1161608/files/figure.png" pageId="13" pageNumber="14">Fig 6B6D</figureCitation>
). Individuals can have the left scutum and tergum larger than the right scutum and tergum or vice versa (
<figureCitation captionStart="Fig6" captionStartId="14.[96,128,1585,1605]" captionTargetBox="[99,1501,211,1561]" captionTargetId="figure@14.[96,1504,208,1564]" captionTargetPageId="14" captionText="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" httpUri="https://zenodo.org/record/1161608/files/figure.png" pageId="13" pageNumber="14">Fig 6B and 6D</figureCitation>
). The larger scutum is triangular, with equal sides, the smaller one is narrower. The external surface of the scutum is smooth with growth lines near the basal margin (
<figureCitation box="[1383,1450,624,648]" captionStart="Fig6" captionStartId="14.[96,128,1585,1605]" captionTargetBox="[99,1501,211,1561]" captionTargetId="figure@14.[96,1504,208,1564]" captionTargetPageId="14" captionText="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" httpUri="https://zenodo.org/record/1161608/files/figure.png" pageId="13" pageNumber="14">Fig 6C</figureCitation>
), occludent margin smooth, tergal margin with shallow articular ridge, not extending beyond the tergal margin. Adductor muscle scar oval, lateral depressor muscle scar oval and smooth. Tergum triangular to trapezoid, 34 lateral depressor muscle crests on basal margin (
<figureCitation box="[1301,1450,728,752]" captionStart="Fig6" captionStartId="14.[96,128,1585,1605]" captionTargetBox="[99,1501,211,1561]" captionTargetId="figure@14.[96,1504,208,1564]" captionTargetPageId="14" captionText="Fig6. Chthamalusanisopoma,PointLobos,TodosSantos,BajaCaliforniaSur,Mexico.A,wholeviewshowingtheorificefilledbytheleftscutumand tergum.B,innerviewofscutumandtergum,showingthemarkedlyassymetricalplates,withlargerleftscutumandtergum.C,outerviewofpairedscutum andtergum.D,innerviewofscutumandtergum,showingalargerrightscutumandtergum. doi:10.1371/journal.pone.0149556.g006" httpUri="https://zenodo.org/record/1161608/files/figure.png" pageId="13" pageNumber="14">Fig 6B and 6D</figureCitation>
)
</paragraph>
<paragraph blockId="13.[533,1536,207,1722]" pageId="13" pageNumber="14">
Segment counts on cirri I-III were based on five specimens collected from La Paz Bay, Baja California (AJS-2). Segment counts on cirri IV-VI were based on a single specimen from La Paz Bay, Baja California (AJS-2) (
<tableCitation box="[887,965,832,856]" captionStart="Table4" captionStartId="12.[96,151,207,227]" captionTargetBox="[96,1536,250,661]" captionTargetId="graphics@12.[96,1536,380,505]" captionText="Table4. Segmentcounts(n=5individuals)ofChthamalusintheTropicalEasternPacificwaters." httpUri="http://table.plazi.org/id/DF0E662063078402C50C4CD50A0EFF3E" pageId="13" pageNumber="14" tableUuid="DF0E662063078402C50C4CD50A0EFF3E">Table 4</tableCitation>
). Cirrus I: posterior ramus with 6 or 7 segments, anterior ramus 7- or 8-segmented, both rami with serrulate setae dominant, the distalmost segment of the posterior ramus with 23 bidenticulate setae (
<figureCitation box="[1082,1232,901,925]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7A and 7B</figureCitation>
,
<tableCitation box="[1244,1322,901,925]" captionStart="Table4" captionStartId="12.[96,151,207,227]" captionTargetBox="[96,1536,250,661]" captionTargetId="graphics@12.[96,1536,380,505]" captionText="Table4. Segmentcounts(n=5individuals)ofChthamalusintheTropicalEasternPacificwaters." httpUri="http://table.plazi.org/id/DF0E662063078402C50C4CD50A0EFF3E" pageId="13" pageNumber="14" tableUuid="DF0E662063078402C50C4CD50A0EFF3E">Table 4</tableCitation>
). Cirrus II: posterior ramus 5-segmented, anterior ramus 6- or 7-segmented, serrulate type setae dominant on both rami. Posterior ramus with bidenticulate setae with basal guards on the 4 distalmost segments (
<figureCitation box="[613,767,1005,1029]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7C and 7D</figureCitation>
,
<tableCitation box="[778,857,1005,1029]" captionStart="Table4" captionStartId="12.[96,151,207,227]" captionTargetBox="[96,1536,250,661]" captionTargetId="graphics@12.[96,1536,380,505]" captionText="Table4. Segmentcounts(n=5individuals)ofChthamalusintheTropicalEasternPacificwaters." httpUri="http://table.plazi.org/id/DF0E662063078402C50C4CD50A0EFF3E" pageId="13" pageNumber="14" tableUuid="DF0E662063078402C50C4CD50A0EFF3E">Table 4</tableCitation>
), anterior ramus with bidenticulate setae with basal guards on the two distalmost segments (
<figureCitation box="[847,996,1040,1064]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7C and 7E</figureCitation>
,
<tableCitation box="[1007,1085,1040,1064]" captionStart="Table4" captionStartId="12.[96,151,207,227]" captionTargetBox="[96,1536,250,661]" captionTargetId="graphics@12.[96,1536,380,505]" captionText="Table4. Segmentcounts(n=5individuals)ofChthamalusintheTropicalEasternPacificwaters." httpUri="http://table.plazi.org/id/DF0E662063078402C50C4CD50A0EFF3E" pageId="13" pageNumber="14" tableUuid="DF0E662063078402C50C4CD50A0EFF3E">Table 4</tableCitation>
). Cirri III-VI: similar in morphology, serrulate type setae dominant, anterior ramus similar in length to the posterior ramus. Cirrus III: anterior ramus 13 to 19-segmented, posterior ramus 11 to 16- segmented (
<figureCitation box="[1317,1382,1109,1133]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7F</figureCitation>
,
<tableCitation box="[1394,1472,1109,1133]" captionStart="Table4" captionStartId="12.[96,151,207,227]" captionTargetBox="[96,1536,250,661]" captionTargetId="graphics@12.[96,1536,380,505]" captionText="Table4. Segmentcounts(n=5individuals)ofChthamalusintheTropicalEasternPacificwaters." httpUri="http://table.plazi.org/id/DF0E662063078402C50C4CD50A0EFF3E" pageId="13" pageNumber="14" tableUuid="DF0E662063078402C50C4CD50A0EFF3E">Table 4</tableCitation>
). Cirrus IV: anterior ramus 17-segmented, posterior ramus 15-segmented (
<figureCitation box="[1273,1344,1144,1168]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7G</figureCitation>
). Cirrus V and VI: anterior ramus 18-segmented, posterior ramus 17-segmented (
<figureCitation box="[1234,1306,1178,1202]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7H</figureCitation>
). Intermediate segments of anterior rami of cirri IV-VI have 4 pairs of long serrulate setae and 1 pair of short serrulate setae (
<figureCitation box="[667,779,1247,1272]" captionStart="Fig7" captionStartId="15.[96,128,1733,1753]" captionTargetBox="[100,1130,210,1708]" captionTargetId="figure@15.[96,1136,208,1712]" captionTargetPageId="15" captionText="Fig7. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,B,cirrus I,showingthepresenceofbidenticulatesetae(bi)withoutbasalguardsenlarged inB.C,D.E,cirrusII,showingthepresenceofbidenticulatesetaewithbasalguardsonthefirstfewsegments(indicatedbydoubleendarrows)inanterior ramus(D)andposteriorramus(E).F,cirrusIII.G,cirrusIV.H,cirrusV.IntermediatesegmentofanteriorramiofcirriIII-VareshownasinsertsinE-H.Scale barsin μm. doi:10.1371/journal.pone.0149556.g007" httpUri="https://zenodo.org/record/1161643/files/figure.png" pageId="13" pageNumber="14">Fig 7F7H</figureCitation>
).
</paragraph>
<paragraph blockId="13.[533,1536,207,1722]" pageId="13" pageNumber="14">
Maxilla bilobed, with serrulate setae on both lobes (
<figureCitation box="[1107,1178,1282,1307]" captionStart="Fig8" captionStartId="16.[96,128,1733,1753]" captionTargetBox="[100,1130,211,1708]" captionTargetId="figure@16.[96,1133,208,1712]" captionTargetPageId="16" captionText="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri="https://zenodo.org/record/1161594/files/figure.png" pageId="13" pageNumber="14">Fig 8A</figureCitation>
). Maxillule notched, 2 large and 4 medium sized setae above notch, 16 setae below notch of cutting margin (
<figureCitation box="[1328,1395,1317,1341]" captionStart="Fig8" captionStartId="16.[96,128,1733,1753]" captionTargetBox="[100,1130,211,1708]" captionTargetId="figure@16.[96,1133,208,1712]" captionTargetPageId="16" captionText="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri="https://zenodo.org/record/1161594/files/figure.png" pageId="13" pageNumber="14">Fig 8B</figureCitation>
). Mandible has 4 major teeth, first tooth separated from the remainder, fourth tooth bi-dentate. Pecten long and straight, with 30 fine teeth, inferior angle tipped with two pointed teeth (
<figureCitation captionStart="Fig8" captionStartId="16.[96,128,1733,1753]" captionTargetBox="[100,1130,211,1708]" captionTargetId="figure@16.[96,1133,208,1712]" captionTargetPageId="16" captionText="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri="https://zenodo.org/record/1161594/files/figure.png" pageId="13" pageNumber="14">Fig 8C and 8D</figureCitation>
). Mandibular palp rectangular, with serrulate setae on all margins (
<figureCitation box="[1277,1422,1421,1445]" captionStart="Fig8" captionStartId="16.[96,128,1733,1753]" captionTargetBox="[100,1130,211,1708]" captionTargetId="figure@16.[96,1133,208,1712]" captionTargetPageId="16" captionText="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri="https://zenodo.org/record/1161594/files/figure.png" pageId="13" pageNumber="14">Fig 8E and 8F</figureCitation>
). Labrum V-shaped, with ~ 10 small teeth on both sides of the cutting margin (
<figureCitation box="[1259,1329,1456,1480]" captionStart="Fig8" captionStartId="16.[96,128,1733,1753]" captionTargetBox="[100,1130,211,1708]" captionTargetId="figure@16.[96,1133,208,1712]" captionTargetPageId="16" captionText="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri="https://zenodo.org/record/1161594/files/figure.png" pageId="13" pageNumber="14">Fig 8G</figureCitation>
). The middle notch with dense setae (
<figureCitation box="[786,858,1490,1515]" captionStart="Fig8" captionStartId="16.[96,128,1733,1753]" captionTargetBox="[100,1130,211,1708]" captionTargetId="figure@16.[96,1133,208,1712]" captionTargetPageId="16" captionText="Fig8. Chthamalusanisopoma,LaPazBay,BajaCalifornia.A,maxilla.B,maxillule.C,mandible.D,thirdandfourthteeth,pectenandinferiorangleof mandible.E,mandibularpalp.F,serrulatesetaeonsuperiormarginofmandibularpalp.G,labrum.H,cuttingmarginoflabrumshowingthefineteeth.Scale barsin μm. doi:10.1371/journal.pone.0149556.g008" httpUri="https://zenodo.org/record/1161594/files/figure.png" pageId="13" pageNumber="14">Fig 8H</figureCitation>
).
</paragraph>
<paragraph blockId="13.[533,1536,207,1722]" box="[565,902,1525,1549]" pageId="13" pageNumber="14">Penis without basi-dorsal point.</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="distribution">
<paragraph blockId="13.[533,1536,207,1722]" pageId="13" pageNumber="14">
<emphasis bold="true" box="[565,712,1559,1583]" pageId="13" pageNumber="14">Distribution.</emphasis>
Present in the Gulf of California and on the Pacific coast of Baja California Sur to at least 23° 27' N.
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="discussion">
<paragraph blockId="13.[533,1536,207,1722]" pageId="13" pageNumber="14">
Remarks.
<emphasis box="[670,687,1629,1652]" italics="true" pageId="13" pageNumber="14">C</emphasis>
.
<emphasis box="[699,814,1630,1653]" italics="true" pageId="13" pageNumber="14">anisopoma</emphasis>
is sympatric with
<taxonomicName authorityName="Benny K. K. Chan &amp; H. -N. Chen &amp; P. R. Dando &amp; A. J. Southward &amp; E. C. Southward" authorityYear="2016" box="[1006,1089,1629,1653]" class="Maxillopoda" family="Chthamalidae" genus="Chthamalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Sessilia" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="alani" status="nom. nov.">
<emphasis box="[1006,1023,1629,1652]" italics="true" pageId="13" pageNumber="14">C</emphasis>
.
<emphasis box="[1035,1089,1629,1653]" italics="true" pageId="13" pageNumber="14">alani</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1095,1202,1630,1653]" pageId="13" pageNumber="14">nom. nov.</taxonomicNameLabel>
and
<taxonomicName box="[1253,1393,1629,1653]" class="Maxillopoda" family="Chthamalidae" genus="Chthamalus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Sessilia" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="hedgecocki">
<emphasis box="[1253,1270,1629,1652]" italics="true" pageId="13" pageNumber="14">C</emphasis>
.
<emphasis box="[1282,1393,1629,1653]" italics="true" pageId="13" pageNumber="14">hedgecocki</emphasis>
</taxonomicName>
on some shores.
<emphasis box="[613,630,1664,1687]" italics="true" pageId="13" pageNumber="14">C</emphasis>
.
<emphasis box="[641,756,1664,1687]" italics="true" pageId="13" pageNumber="14">anisopoma</emphasis>
can be easily identified
<emphasis box="[1007,1076,1664,1687]" italics="true" pageId="13" pageNumber="14">in-situ</emphasis>
by its strongly asymmetrical opercular plates, also by its white tergoscutal flaps when open under water (
<figureCitation box="[1222,1292,1698,1722]" captionStart="Fig2" captionStartId="8.[96,128,1511,1531]" captionTargetBox="[99,1277,211,1487]" captionTargetId="figure@8.[96,1280,208,1490]" captionTargetPageId="8" captionText="Fig2. LiveChthamalusspeciesphotographedunderwater.A,mixedpopulationsofCanisopoma(CAN),withwhite-edgedtergoscutalflaps,Balanus inexpectatatus(BI)withwhitetergoscutalflapsandChthamalusalaninom.nov.(CA)withorangetergoscutalflaps(fromLaPaz,BajaCalifornia).B,C.alani showingorangetergoscutalflaps(fromLaPaz).C,C.hedgcockishowingorangetergoscutalflaps(fromPointLobos,TodosSantos,BajaCalifornia).D, Chthamalusnewmanisp.nov.showingbrowntergoscutalflaps(fromFarfanPoint,Panama).E,F,mixedpopulationofC.panamensis(CP)showingorange tergoscutalflapsandC.newmani(CN)showingbrowntergoscutalflaps(E,BalboaStatue.PanamaCityandF,NaosIsland). doi:10.1371/journal.pone.0149556.g002" httpUri="https://zenodo.org/record/1161639/files/figure.png" pageId="13" pageNumber="14">Fig 2A</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>