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<document ID-DOI="10.1093/zoolinnean/zlac015" ID-GBIF-Dataset="372f8265-c53c-43fa-9448-07d5a58d311f" ID-ISSN="0024-4082" ID-Zenodo-Dep="7037958" ID-ZooBank="78C56409-FCCF-4116-8D8C-FF66B247C56C" approvalRequired="5" approvalRequired_for_taxonomicNames="1" approvalRequired_for_textStreams="3" approvalRequired_for_treatments="1" checkinTime="1661767832469" checkinUser="plazi" docAuthor="Kajihara, Hiroshi, Abukawa, Shushi &amp; Chernyshev, Alexei V." docDate="2022" docId="038A8132EE71ED5DFC42CD45FD5DFCBF" docLanguage="en" docName="zlac015.pdf" docOrigin="Zoological Journal of the Linnean Society 196" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-.journal_article" docStyleVersion="7" docTitle="Baseodiscus zebra Kajihara &amp; Abukawa &amp; Chernyshev 2022, SP. NOV." docType="treatment" docVersion="8" lastPageNumber="530" masterDocId="FFB3F94AEE6BED46FFE9CE7DFFF7FFBC" masterDocTitle="Exploring the basal topology of the heteronemertean tree of life: establishment of a new family, along with turbotaxonomy of Valenciniidae (Nemertea: Pilidiophora: Heteronemertea)" masterLastPageNumber="548" masterPageNumber="503" pageNumber="529" updateTime="1673544958704" updateUser="felipe">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Exploring the basal topology of the heteronemertean tree of life: establishment of a new family, along with turbotaxonomy of Valenciniidae (Nemertea: Pilidiophora: Heteronemertea)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kajihara, Hiroshi</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Abukawa, Shushi</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chernyshev, Alexei V.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Zoological Journal of the Linnean Society</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="volume">
<mods:number>196</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>503</mods:start>
<mods:end>548</mods:end>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.1093/zoolinnean/zlac015</mods:identifier>
<mods:identifier type="GBIF-Dataset">372f8265-c53c-43fa-9448-07d5a58d311f</mods:identifier>
<mods:identifier type="ISSN">0024-4082</mods:identifier>
<mods:identifier type="Zenodo-Dep">7037958</mods:identifier>
<mods:identifier type="ZooBank">78C56409-FCCF-4116-8D8C-FF66B247C56C</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.7043846" ID-GBIF-Taxon="199902320" ID-Zenodo-Dep="7043846" LSID="urn:lsid:plazi:treatment:038A8132EE71ED5DFC42CD45FD5DFCBF" httpUri="http://treatment.plazi.org/id/038A8132EE71ED5DFC42CD45FD5DFCBF" lastPageId="27" lastPageNumber="530" pageId="26" pageNumber="529">
<subSubSection box="[939,1294,823,847]" pageId="26" pageNumber="529" type="nomenclature">
<paragraph blockId="26.[939,1294,823,847]" box="[939,1294,823,847]" pageId="26" pageNumber="529">
<heading box="[939,1294,823,847]" centered="true" fontSize="9" level="2" pageId="26" pageNumber="529" reason="2">
<taxonomicName authority="Kajihara &amp; Abukawa &amp; Chernyshev, 2022" authorityName="Kajihara &amp; Abukawa &amp; Chernyshev" authorityYear="2022" box="[939,1188,824,847]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="26" pageNumber="529" phylum="Nemertea" rank="species" species="zebra" status="SP. NOV.">BASEODISCUS ZEBRA</taxonomicName>
<emphasis bold="true" box="[1195,1294,823,847]" pageId="26" pageNumber="529">
<taxonomicNameLabel box="[1195,1294,823,847]" pageId="26" pageNumber="529" rank="species">SP. NOV.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[1066,1167,862,887]" pageId="26" pageNumber="529" type="description">
<paragraph blockId="26.[1066,1167,862,887]" box="[1066,1167,862,887]" pageId="26" pageNumber="529">
(
<figureCitation box="[1074,1159,862,887]" captionStart="Figure 2" captionStartId="11.[168,247,1520,1542]" captionTargetBox="[328,1288,196,1480]" captionTargetId="figure-25@11.[328,1288,196,1480]" captionTargetPageId="11" captionText="Figure 2. A, Eopilidion misakiense gen. et sp. nov., holotype, ICHUM 6303, lateral view, head to the right; B, Oxypolella hiebertae sp. nov., holotype, MIMB 42256; C, Cephalomastax brevis Iwata, 1957, ICHUM 6304; D, E, Valencinura jambio sp. nov., holotype, ICHUM 6305, anterior body fragment (D) and enlargement of intestinal region (E) showing yellowish proboscis (indicated by arrowheads); F, Baseodiscus takakurai Gibson, 1995, ICHUM 6306; G, Baseodiscus profundus sp. nov., holotype, MIMB 42257; H, I, Baseodiscus narusei sp. nov., holotype, ICHUM 6310, anterior end of body, dorsal (H) and ventral (I) views; J, Baseodiscus paracelensis sp. nov., holotype, MIMB 33132; K, Baseodiscus komatsui sp. nov., holotype, NMNS-Ne 1; L, Baseodiscus unicolor Stiasny-Wijnhoff, 1925; M, Baseodiscus giribeti sp. nov., holotype, MCZ IZ-135324; N, Baseodiscus cf. amboinensis (Staub, 1900); O, Baseodiscus hemprichii (Ehrenberg, 1828-1831), specimen from Okinawa, different from any voucher specimens in this study; P, Baseodiscus zebra sp. nov., holotype, RUMF-ZN-00001; Q, Baseodiscus quinquelineatus (Quoy &amp; Gaimard, 1833), ICHUM 6319. Photographs by H. Kajihara (A, C, D, E, F, O), A.V. Chernyshev (B, G, J), T. Naruse (H, I), H. Komatsu (K), G. Giribet (L, M), D. Uyeno (P), and R.Yoshida (Q)." figureDoi="http://doi.org/10.5281/zenodo.7037964" httpUri="https://zenodo.org/record/7037964/files/figure.png" pageId="26" pageNumber="529">FIG. 2P</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection pageId="26" pageNumber="529" type="reference_group">
<paragraph blockId="26.[809,1426,902,1047]" pageId="26" pageNumber="529">
<treatmentCitationGroup pageId="26" pageNumber="529">
<treatmentCitation author="Colin PL &amp; Arneson C" page="151" pageId="26" pageNumber="529" year="1995">
<taxonomicName ID-CoL="84XNX" authority=": Colin &amp; Arneson, 1995: 150 - 151" authorityName=": Colin &amp; Arneson" authorityPageNumber="150 - 151" authorityYear="1995" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="26" pageNumber="529" phylum="Nemertea" rank="species" species="mexicanus">
<emphasis box="[809,1076,902,924]" italics="true" pageId="26" pageNumber="529">Baseodiscus mexicanus</emphasis>
:
<bibRefCitation author="Colin PL &amp; Arneson C" pageId="26" pageNumber="529" refId="ref35658" refString="Colin PL, Arneson C. 1995. Tropical Pacific invertebrates: a field guide to the marine invertebrates occurring on tropical Pacific coral reefs, seagrass beds and mangroves. Beverly Hills: Coral Reef Press." type="book" year="1995">Colin &amp; Arneson, 1995: 150 151</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, fig. 686 (
<collectingCountry box="[992,1060,933,955]" name="Palau" pageId="26" pageNumber="529">Palau</collectingCountry>
);
<treatmentCitation author="Chernyshev AV &amp; Volvenko IE" page="106" pageId="26" pageNumber="529" year="2008">
<bibRefCitation author="Chernyshev AV &amp; Volvenko IE" pageId="26" pageNumber="529" pagination="104 - 117" refId="ref35124" refString="Chernyshev AV, Volvenko IE. 2008. Katalog nemertin (Nemertini) kollektsii zoologicheskogo muzeia DVGU. In: Starostin BK, ed. Trudy Uchebno-nauchnogo Muzeya Dal'nevostochnogo Gosudarstvennogo Univesiteta, Vol. 4. Vladivostok: FESU Press, 104 - 117. [In Russian]" type="book chapter" year="2008">Chernyshev &amp; Volvenko, 2008: 106</bibRefCitation>
</treatmentCitation>
(Komodo,
<collectingCountry box="[1026,1140,964,986]" name="Indonesia" pageId="26" pageNumber="529">Indonesia</collectingCountry>
);
<treatmentCitation author="Kajihara H &amp; Yoshida R &amp; Uyeno D" page="754" pageId="26" pageNumber="529" year="2012">
<bibRefCitation author="Kajihara H &amp; Yoshida R &amp; Uyeno D" pageId="26" pageNumber="529" pagination="754 - 755" refId="ref38482" refString="Kajihara H, Yoshida R, Uyeno D. 2012. First record of Baseodiscus mexicanus (Burger, 1893) (Nemertea: Heteronemertea) from Japanese waters. Check List 8: 754 - 755." type="journal article" year="2012">Kajihara, Yoshida &amp; Uyeno, 2012: 754755</bibRefCitation>
</treatmentCitation>
, fig. 2A, B (
<collectingRegion box="[1224,1329,994,1016]" country="Japan" name="Okinawa" pageId="26" pageNumber="529">Okinawa</collectingRegion>
,
<collectingCountry box="[1341,1412,995,1016]" name="Japan" pageId="26" pageNumber="529">Japan</collectingCountry>
);
<treatmentCitation author="Kajihara H" box="[841,1066,1025,1047]" page="423" pageId="26" pageNumber="529" year="2017">
<bibRefCitation author="Kajihara H" box="[841,1066,1025,1047]" pageId="26" pageNumber="529" pagination="419 - 444" refId="ref38160" refString="Kajihara H. 2017. Species diversity of Japanese ribbon worms (Nemertea). In: Motokawa M, Kajihara H, eds. Species diversity of animals in Japan. Tokyo: Springer Japan, 419 - 444." type="book chapter" year="2017">Kajihara, 2017: 423</bibRefCitation>
</treatmentCitation>
, fig. 16.2d.
</treatmentCitationGroup>
</paragraph>
<paragraph blockId="26.[809,1426,1088,1140]" pageId="26" pageNumber="529">
<emphasis box="[809,1143,1088,1109]" italics="true" pageId="26" pageNumber="529">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 box="[884,1422,1119,1140]" pageId="26" pageNumber="529">EAA8D387-3EC0-4F9B-AE38-2DED799D7DFB</uuid>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="27" lastPageNumber="530" pageId="26" pageNumber="529" type="materials_examined">
<paragraph blockId="26.[809,1425,1178,1323]" pageId="26" pageNumber="529">
<emphasis box="[809,1029,1178,1199]" italics="true" pageId="26" pageNumber="529">Material examined:</emphasis>
<materialsCitation ID-GBIF-Occurrence="3897229371" collectingDate="2012-03-31" collectionCode="SCUBA" collectorName="D. Uyeno." country="Japan" elevation="4" latitude="26.504444" location="Cape Manza" longLatPrecision="20" longitude="127.84417" municipality="Okinawa-jima" pageId="26" pageNumber="529" specimenCode="ICHUM 6317" specimenCount="1" typeStatus="holotype">
<typeStatus box="[1041,1142,1178,1200]" pageId="26" pageNumber="529">Holotype</typeStatus>
, RUMF-ZN-00001 (DNA voucher
<specimenCode box="[908,1066,1209,1231]" collectionCode="ICHUM" country="Japan" httpUri="http://grbio.org/cool/dk9x-54ca" name="Invertebrate Collection of the Hokkaido University Museum" pageId="26" pageNumber="529">ICHUM 6317</specimenCode>
),
<date box="[1086,1262,1209,1231]" pageId="26" pageNumber="529" value="2012-03-31">
<collectingDate box="[1086,1262,1209,1231]" pageId="26" pageNumber="529" value="2012-03-31">31 March 2012</collectingDate>
</date>
,
<elevation box="[1273,1420,1209,1231]" metricMagnitude="0" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="26" pageNumber="529" unit="m" value="3.5" valueMax="4.0" valueMin="3.0">
<quantity box="[1273,1345,1209,1231]" metricMagnitude="0" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="26" pageNumber="529" unit="m" value="3.5" valueMax="4.0" valueMin="3.0">34 m</quantity>
depth
</elevation>
,
<location LSID="urn:lsid:plazi:treatment:038A8132EE71ED5DFC42CD45FD5DFCBF:8EFC66FFEE71ED5CFCC0CAA5FC49FB51" box="[809,958,1240,1261]" country="Japan" latitude="26.504444" longLatPrecision="20" longitude="127.84417" municipality="Okinawa-jima" name="Cape Manza" pageId="26" pageNumber="529">Cape Manza</location>
(
<geoCoordinate box="[976,1112,1239,1262]" degrees="26" direction="north" minutes="30" orientation="latitude" pageId="26" pageNumber="529" precision="15" seconds="16" value="26.504444">26°3016″N</geoCoordinate>
,
<geoCoordinate box="[1126,1275,1239,1262]" degrees="127" direction="east" minutes="50" orientation="longitude" pageId="26" pageNumber="529" precision="15" seconds="39" value="127.84417">127°5039″E</geoCoordinate>
), Onna-son, west coast of
<collectingMunicipality box="[963,1128,1270,1292]" pageId="26" pageNumber="529">Okinawa-jima</collectingMunicipality>
,
<collectingCountry box="[1139,1211,1271,1292]" name="Japan" pageId="26" pageNumber="529">Japan</collectingCountry>
,
<collectionCode box="[1223,1314,1271,1292]" pageId="26" pageNumber="529">SCUBA</collectionCode>
, collected by
<collectorName box="[843,953,1302,1323]" pageId="26" pageNumber="529">D. Uyeno.</collectorName>
</materialsCitation>
</paragraph>
<paragraph blockId="26.[809,1425,1369,1452]" pageId="26" pageNumber="529">
<emphasis box="[809,945,1369,1390]" italics="true" pageId="26" pageNumber="529">Sequences:</emphasis>
From
<materialsCitation ID-GBIF-Occurrence="3897229452" accessionNumber="LC178607" collectionCode="ICHUM" pageId="26" pageNumber="529" specimenCode="ICHUM 6317" specimenCount="1">
<specimenCode box="[1040,1215,1369,1391]" collectionCode="ICHUM" country="Japan" httpUri="http://grbio.org/cool/dk9x-54ca" name="Invertebrate Collection of the Hokkaido University Museum" pageId="26" pageNumber="529">ICHUM 6317</specimenCode>
:
<accessionNumber box="[1230,1361,1369,1391]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/LC178607" pageId="26" pageNumber="529">LC178607</accessionNumber>
, 18S (1795 bp)
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="3897229432" accessionNumber="LC178639" box="[935,1234,1400,1422]" pageId="26" pageNumber="529" specimenCount="1">
<accessionNumber box="[935,1057,1400,1422]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/LC178639" pageId="26" pageNumber="529">LC178639</accessionNumber>
, 28S (2086 bp)
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="3897229465" accessionNumber="LC178688" pageId="26" pageNumber="529" specimenCount="1">
<accessionNumber box="[1247,1369,1400,1422]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/LC178688" pageId="26" pageNumber="529">LC178688</accessionNumber>
, 16S (505 bp)
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="3897229479" accessionNumber="LC190960" box="[914,1192,1430,1452]" pageId="26" pageNumber="529" specimenCount="1">
<accessionNumber box="[914,1033,1430,1452]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/LC190960" pageId="26" pageNumber="529">LC190960</accessionNumber>
,
<emphasis box="[1043,1090,1431,1452]" italics="true" pageId="26" pageNumber="529">COI</emphasis>
(658 bp)
</materialsCitation>
.
</paragraph>
<paragraph blockId="26.[809,1426,1493,1576]" pageId="26" pageNumber="529">
<emphasis box="[809,940,1493,1514]" italics="true" pageId="26" pageNumber="529">Etymology:</emphasis>
The new specific name is a noun in the nominative case, referring to the colour pattern of the species.
</paragraph>
<paragraph blockId="26.[807,1425,1614,1790]" pageId="26" pageNumber="529">
<emphasis box="[809,943,1615,1636]" italics="true" pageId="26" pageNumber="529">Description:</emphasis>
Head white, with indigo dorsal and ventral cephalic patches; with transverse cephalic furrow encircling neck; numerous secondary furrows present; numerous, small, black eyes distributed laterally along sides of head. Body white, with numerous bands of same colour as cephalic patches (
<figureCitation box="[1112,1190,1768,1790]" captionStart="Figure 2" captionStartId="11.[168,247,1520,1542]" captionTargetBox="[328,1288,196,1480]" captionTargetId="figure-25@11.[328,1288,196,1480]" captionTargetPageId="11" captionText="Figure 2. A, Eopilidion misakiense gen. et sp. nov., holotype, ICHUM 6303, lateral view, head to the right; B, Oxypolella hiebertae sp. nov., holotype, MIMB 42256; C, Cephalomastax brevis Iwata, 1957, ICHUM 6304; D, E, Valencinura jambio sp. nov., holotype, ICHUM 6305, anterior body fragment (D) and enlargement of intestinal region (E) showing yellowish proboscis (indicated by arrowheads); F, Baseodiscus takakurai Gibson, 1995, ICHUM 6306; G, Baseodiscus profundus sp. nov., holotype, MIMB 42257; H, I, Baseodiscus narusei sp. nov., holotype, ICHUM 6310, anterior end of body, dorsal (H) and ventral (I) views; J, Baseodiscus paracelensis sp. nov., holotype, MIMB 33132; K, Baseodiscus komatsui sp. nov., holotype, NMNS-Ne 1; L, Baseodiscus unicolor Stiasny-Wijnhoff, 1925; M, Baseodiscus giribeti sp. nov., holotype, MCZ IZ-135324; N, Baseodiscus cf. amboinensis (Staub, 1900); O, Baseodiscus hemprichii (Ehrenberg, 1828-1831), specimen from Okinawa, different from any voucher specimens in this study; P, Baseodiscus zebra sp. nov., holotype, RUMF-ZN-00001; Q, Baseodiscus quinquelineatus (Quoy &amp; Gaimard, 1833), ICHUM 6319. Photographs by H. Kajihara (A, C, D, E, F, O), A.V. Chernyshev (B, G, J), T. Naruse (H, I), H. Komatsu (K), G. Giribet (L, M), D. Uyeno (P), and R.Yoshida (Q)." figureDoi="http://doi.org/10.5281/zenodo.7037964" httpUri="https://zenodo.org/record/7037964/files/figure.png" pageId="26" pageNumber="529">Fig. 2P</figureCitation>
).
</paragraph>
<paragraph blockId="26.[809,1425,1825,1908]" pageId="26" pageNumber="529">
<emphasis box="[809,963,1825,1846]" italics="true" pageId="26" pageNumber="529">Distribution:</emphasis>
Although molecularly confirmed only from the
<typeStatus box="[922,973,1856,1877]" pageId="26" pageNumber="529">type</typeStatus>
locality,
<collectingRegion box="[1082,1188,1856,1878]" country="Japan" name="Okinawa" pageId="26" pageNumber="529">Okinawa</collectingRegion>
(
<collectingCountry box="[1205,1280,1856,1877]" name="Japan" pageId="26" pageNumber="529">Japan</collectingCountry>
),
<taxonomicName authorityName="Kajihara &amp; Abukawa &amp; Chernyshev" authorityYear="2022" box="[1302,1396,1856,1877]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="26" pageNumber="529" phylum="Nemertea" rank="species" species="zebra">
<emphasis box="[1302,1396,1856,1877]" italics="true" pageId="26" pageNumber="529">B. zebra</emphasis>
</taxonomicName>
is probably distributed widely in the western Pacific.
</paragraph>
<paragraph blockId="27.[163,780,197,771]" pageId="27" pageNumber="530">
<emphasis box="[163,271,197,218]" italics="true" pageId="27" pageNumber="530">Remarks:</emphasis>
Sequences
<accessionNumber box="[413,530,197,219]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/LC190960" pageId="27" pageNumber="530">LC190960</accessionNumber>
(
<emphasis box="[546,593,198,219]" italics="true" pageId="27" pageNumber="530">
<collectionCode box="[546,593,198,219]" country="Portugal" lsid="urn:lsid:biocol.org:col:14498" name="University of Coimbra Botany Department" pageId="27" pageNumber="530" type="Herbarium">COI</collectionCode>
</emphasis>
) and
<accessionNumber box="[661,778,197,219]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/LC178688" pageId="27" pageNumber="530">LC178688</accessionNumber>
(16S) from the
<typeStatus box="[353,457,228,250]" pageId="27" pageNumber="530">holotype</typeStatus>
differ by 12.6% and 6.8% in uncorrected
<emphasis box="[359,373,259,280]" italics="true" pageId="27" pageNumber="530">p</emphasis>
-distance from
<accessionNumber box="[570,698,258,280]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/KF935503" pageId="27" pageNumber="530">KF935503</accessionNumber>
(
<emphasis box="[719,769,259,280]" italics="true" pageId="27" pageNumber="530">
<collectionCode box="[719,769,259,280]" country="Portugal" lsid="urn:lsid:biocol.org:col:14498" name="University of Coimbra Botany Department" pageId="27" pageNumber="530" type="Herbarium">COI</collectionCode>
</emphasis>
) and
<accessionNumber box="[217,341,289,311]" httpUri="http://www.ncbi.nlm.nih.gov/nucleotide/KF935449" pageId="27" pageNumber="530">KF935449</accessionNumber>
(16S), respectively, both from
<collectionCode box="[721,778,289,310]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:33791" lsid="urn:lsid:biocol.org:col:33791" name="Museum of Comparative Zoology" pageId="27" pageNumber="530" type="Museum">MCZ</collectionCode>
<collectionCode box="[163,200,320,342]" pageId="27" pageNumber="530">IZ-</collectionCode>
135321 collected in
<collectingRegion box="[440,628,320,342]" country="Mexico" name="Baja California" pageId="27" pageNumber="530">Baja California</collectingRegion>
,
<collectingCountry box="[642,725,320,342]" name="Mexico" pageId="27" pageNumber="530">Mexico</collectingCountry>
and identified as
<taxonomicName authorityName=": Colin &amp; Arneson" authorityYear="1995" box="[317,469,351,372]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="27" pageNumber="530" phylum="Nemertea" rank="species" species="mexicanus">
<emphasis box="[317,469,351,372]" italics="true" pageId="27" pageNumber="530">B. mexicanus</emphasis>
</taxonomicName>
by G. Giribet (
<bibRefCitation author="Kvist S &amp; Laumer CE &amp; Junoy J &amp; Giribet G" pageId="27" pageNumber="530" pagination="287 - 308" refId="ref39075" refString="Kvist S, Laumer CE, Junoy J, Giribet G. 2014. New insights into the phylogeny, systematics and DNA barcoding of Nemertea. Invertebrate Systematics 28: 287 - 308." type="journal article" year="2014">
Kvist
<emphasis box="[715,773,350,372]" italics="true" pageId="27" pageNumber="530">et al.</emphasis>
, 2014
</bibRefCitation>
; MCZbase, www.mcz.harvard.edu).
<bibRefCitation author="Kajihara H &amp; Yoshida R &amp; Uyeno D" pageId="27" pageNumber="530" pagination="754 - 755" refId="ref38482" refString="Kajihara H, Yoshida R, Uyeno D. 2012. First record of Baseodiscus mexicanus (Burger, 1893) (Nemertea: Heteronemertea) from Japanese waters. Check List 8: 754 - 755." type="journal article" year="2012">
Kajihara
<emphasis box="[725,777,381,403]" italics="true" pageId="27" pageNumber="530">et al.</emphasis>
(2012)
</bibRefCitation>
argued a possible amphi-Pacific distribution for
<taxonomicName authorityName=": Colin &amp; Arneson" authorityYear="1995" box="[203,357,443,464]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="27" pageNumber="530" phylum="Nemertea" rank="species" species="mexicanus">
<emphasis box="[203,357,443,464]" italics="true" pageId="27" pageNumber="530">B. mexicanus</emphasis>
</taxonomicName>
, but the western-Pacific population (possibly extending from
<collectingCountry box="[448,518,474,495]" name="Japan" pageId="27" pageNumber="530">Japan</collectingCountry>
via
<collectingCountry box="[565,631,473,495]" name="Palau" pageId="27" pageNumber="530">Palau</collectingCountry>
to
<collectingCountry box="[665,775,473,495]" name="Australia" pageId="27" pageNumber="530">Australia</collectingCountry>
;
<bibRefCitation author="Colin PL &amp; Arneson C" box="[163,418,504,526]" pageId="27" pageNumber="530" refId="ref35658" refString="Colin PL, Arneson C. 1995. Tropical Pacific invertebrates: a field guide to the marine invertebrates occurring on tropical Pacific coral reefs, seagrass beds and mangroves. Beverly Hills: Coral Reef Press." type="book" year="1995">Colin &amp; Arneson, 1995</bibRefCitation>
;
<bibRefCitation author="Chernyshev AV &amp; Volvenko IE" box="[431,771,504,526]" pageId="27" pageNumber="530" pagination="104 - 117" refId="ref35124" refString="Chernyshev AV, Volvenko IE. 2008. Katalog nemertin (Nemertini) kollektsii zoologicheskogo muzeia DVGU. In: Starostin BK, ed. Trudy Uchebno-nauchnogo Muzeya Dal'nevostochnogo Gosudarstvennogo Univesiteta, Vol. 4. Vladivostok: FESU Press, 104 - 117. [In Russian]" type="book chapter" year="2008">Chernyshev &amp; Volvenko, 2008</bibRefCitation>
) is here regarded as a distinct species.
</paragraph>
<paragraph blockId="27.[163,780,197,771]" pageId="27" pageNumber="530">
Because the
<typeStatus box="[326,375,566,587]" pageId="27" pageNumber="530">type</typeStatus>
locality of
<taxonomicName authorityName=": Colin &amp; Arneson" authorityYear="1995" box="[488,637,566,587]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="27" pageNumber="530" phylum="Nemertea" rank="species" species="mexicanus">
<emphasis box="[488,637,566,587]" italics="true" pageId="27" pageNumber="530">B. mexicanus</emphasis>
</taxonomicName>
is Mazatlán,
<collectingCountry box="[163,243,596,618]" name="Mexico" pageId="27" pageNumber="530">Mexico</collectingCountry>
(
<bibRefCitation author="Burger O" box="[258,405,596,617]" pageId="27" pageNumber="530" pagination="207 - 240" refId="ref34361" refString="Burger O. 1893. Sudgeorgische und andere exotische Nemertinen. Zoologische Jahrbucher, Abteilung fur Systematik, Okologie und Biologie der Thiere 7: 207 - 240, pls 8, 9." type="book chapter" year="1893">Bürger, 1893</bibRefCitation>
), the name
<taxonomicName authorityName=": Colin &amp; Arneson" authorityYear="1995" box="[542,662,596,617]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="27" pageNumber="530" phylum="Nemertea" rank="species" species="mexicanus">
<emphasis box="[542,662,596,617]" italics="true" pageId="27" pageNumber="530">mexicanus</emphasis>
</taxonomicName>
should be applied to the eastern-Pacific population, in which
<bibRefCitation author="Coe WR" pageId="27" pageNumber="530" pagination="247 - 322" refId="ref35559" refString="Coe WR. 1940. Revision of the nemertean fauna of the Pacific coasts of North, Central, and northern South America. Allan Hancock Pacific Expeditions 2: 247 - 322." type="journal article" year="1940">Coe (1940: 261)</bibRefCitation>
noted the colour to be variably brownish green, maroon, deep red, mahogany or brownish violet. The body colour appears to be generally reddish in
<emphasis box="[164,317,750,771]" italics="true" pageId="27" pageNumber="530">
<taxonomicName authorityName=": Colin &amp; Arneson" authorityYear="1995" box="[164,313,750,771]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="27" pageNumber="530" phylum="Nemertea" rank="species" species="mexicanus">B. mexicanus</taxonomicName>
,
</emphasis>
whereas in
<taxonomicName authorityName="Kajihara &amp; Abukawa &amp; Chernyshev" authorityYear="2022" box="[456,546,749,771]" class="Pilidiophora" family="Valenciniidae" genus="Baseodiscus" kingdom="Animalia" order="Heteronemertea" pageId="27" pageNumber="530" phylum="Nemertea" rank="species" species="zebra">
<emphasis box="[456,546,749,771]" italics="true" pageId="27" pageNumber="530">B. zebra</emphasis>
</taxonomicName>
it is bluish.
</paragraph>
</subSubSection>
</treatment>
</document>