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<mods:title id="6F2D8A85194EDCF2F95C8D68F47D6045">The whale barnacle Cryptolepas rhachianecti (Cirripedia: Coronulidae), a phoront of the grey whale Eschrichtius robustus (Cetacea: Eschrichtiidae), from a sandy beach in The Netherlands</mods:title>
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<taxonomicName id="4C694D5A2E08FFACFF4B952BFDAF4569" authority="Dall, 1872" authorityName="Dall" authorityYear="1872" box="[151,587,1063,1090]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianecti">
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<emphasis id="B91DEACB2E08FFACFF4B952BFE22456A" bold="true" box="[151,454,1063,1089]" italics="true" pageId="2" pageNumber="333">Cryptolepas rhachianecti</emphasis>
<bibRefCitation id="EFF84B282E08FFACFE129524FDAF4569" author="Dall" box="[462,587,1064,1090]" pageId="2" pageNumber="333" refString="Dall, W. H. (1872) On the parasites of the cetaceans of the N. W. coast of America, with descriptions of new forms. Proceedings of the California Academy of Sciences, 4, 299 - 301." type="journal article" year="1872">Dall, 1872</bibRefCitation>
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<figureCitation id="13522A5C2E08FFACFF4B9546FF3D4548" box="[151,217,1098,1123]" captionStart="FIGURE 2" captionStartId="3.[151,250,1918,1940]" captionTargetBox="[281,1286,193,1899]" captionTargetId="figure@3.[281,1286,193,1900]" captionTargetPageId="3" captionText="FIGURE 2. NHG 27 0 0 1, Cryptolepas rhachianecti Dall, 1872, single left compartment (latus or carinolatus) collected from Recent beach deposits in Zoutelande (Walcheren, The Netherlands): a, alar view; b, external view; c, internal view; d, radial view; e, apical view. Scale bar: 5 mm. Scanning electron microscope (SEM) images by Julien Cillis, Koninklijk Belgisch Instituut voor Natuurwetenschappen, Brussels." httpUri="https://zenodo.org/record/272174/files/figure.png" pageId="2" pageNumber="333">Fig. 2</figureCitation>
</paragraph>
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<paragraph id="8BD636D92E08FFACFF4B959EFDD94583" blockId="2.[151,961,1170,1223]" box="[151,573,1170,1192]" pageId="2" pageNumber="333">
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<taxonomicName id="4C694D5A2E08FFACFF4B959EFDD94583" authority="Dall, 1872: 300" authorityName="Dall" authorityPageNumber="300" authorityYear="1872" box="[151,573,1170,1192]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianecti">
<emphasis id="B91DEACB2E08FFACFF4B959EFE7C4583" box="[151,408,1170,1192]" italics="true" pageId="2" pageNumber="333">Cryptolepas rhachianecti</emphasis>
<treatmentCitation id="0AC810C82E08FFACFE43959EFDD94583" author="Dall" box="[415,573,1170,1192]" page="300" pageId="2" pageNumber="333" year="1872">
<bibRefCitation id="EFF84B282E08FFACFE43959EFDE94583" author="Dall" box="[415,525,1170,1192]" pageId="2" pageNumber="333" refString="Dall, W. H. (1872) On the parasites of the cetaceans of the N. W. coast of America, with descriptions of new forms. Proceedings of the California Academy of Sciences, 4, 299 - 301." type="journal article" year="1872">Dall, 1872</bibRefCitation>
: 300
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<taxonomicName id="4C694D5A2E08FFACFF4B95BDFD8745EC" authority="Gruvel, 1903: 153" authorityName="Gruvel" authorityPageNumber="153" authorityYear="1903" box="[151,611,1201,1223]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianectis">
<emphasis id="B91DEACB2E08FFACFF4B95BDFE4645EC" box="[151,418,1201,1223]" italics="true" pageId="2" pageNumber="333">Cryptolepas rhachianectis</emphasis>
<treatmentCitation id="0AC810C82E08FFACFE7595BDFD8745EC" author="Gruvel" box="[425,611,1201,1223]" page="153" pageId="2" pageNumber="333" year="1903">
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: 153
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, pl. 2, figs. 410; pl. 3, figs. 10-11
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<emphasis id="B91DEACB2E08FFACFF4B95F8FE6D4426" bold="true" box="[151,393,1268,1293]" pageId="2" pageNumber="333">Material examined.</emphasis>
<specimenCode id="DBCF9EA22E08FFACFE4595F8FDE54427" box="[409,513,1268,1292]" collectionCode="NHG" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15855" name="Naturhistorische Gesellschaft e. V." pageId="2" pageNumber="333">
<collectionCode id="ED78AE1C2E08FFACFE4595F8FE324427" box="[409,470,1268,1292]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15855" name="Naturhistorische Gesellschaft e. V." pageId="2" pageNumber="333">NHG</collectionCode>
27
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0 0 1, left latus or carinolatus collected from beach deposits in
<location id="8EB660022E08FFACFAC295F8FA784426" LSID="urn:lsid:plazi:treatment:03C087CF2E08FFACFF4B952BFB67465B:8EB660022E08FFACFAC295F8FA784426" box="[1310,1436,1268,1293]" country="Netherlands" county="River Scheldt." municipality="Walcheren" name="Zoutelande" pageId="2" pageNumber="333">Zoutelande</location>
(
<collectingMunicipality id="6BB2ACA32E08FFACFF42941BFEFE441B" box="[158,282,1303,1328]" pageId="2" pageNumber="333">Walcheren</collectingMunicipality>
,
<collectingCountry id="F37E76492E08FFACFEF9941BFE00441B" box="[293,484,1303,1328]" name="Netherlands" pageId="2" pageNumber="333">The Netherlands</collectingCountry>
), at the mouth of the
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<subSubSection id="C37365522E08FFACFF1B9430FB67465B" pageId="2" pageNumber="333" type="description">
<paragraph id="8BD636D92E08FFACFF1B9430FB67465B" blockId="2.[151,1437,1268,1904]" pageId="2" pageNumber="333">
<emphasis id="B91DEACB2E08FFACFF1B9430FDE0447E" bold="true" box="[199,516,1340,1365]" pageId="2" pageNumber="333">Description and remarks.</emphasis>
The size and aspect of this isolated left lateral or carinolateral compartment matches well the descriptions of the hard parts of
<taxonomicName id="4C694D5A2E08FFACFD11946CFC0F4453" box="[717,1003,1376,1400]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianecti">
<emphasis id="B91DEACB2E08FFACFD11946CFC0F4453" box="[717,1003,1376,1400]" italics="true" pageId="2" pageNumber="333">Cryptolepas rhachianecti</emphasis>
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given by
<bibRefCitation id="EFF84B282E08FFACFB829453FAE64453" author="Pilsbry" box="[1118,1282,1375,1400]" pageId="2" pageNumber="333" refString="Pilsbry, H. A. (1916) The sessile barnacles (Cirripedia) contained in the collections of the U. S. National Museum; including a monograph of the American species. United States National Museum Bulletin, 93, 1 - 366. http: // dx. doi. org / 10.5479 / si. 03629236.93.1" type="journal article" year="1916">Pilsbry (1916)</bibRefCitation>
,
<bibRefCitation id="EFF84B282E08FFACFAD39453FA734453" author="Zullo" box="[1295,1431,1375,1400]" pageId="2" pageNumber="333" refString="Zullo, V. A. (1961) A new whale barnacle from Late Pleistocene deposits at San Quintin bay, Baja California. The Veliger, 4, 13 - 14." type="journal article" year="1961">Zullo (1961</bibRefCitation>
,
<bibRefCitation id="EFF84B282E08FFACFF4B9488FF3744B6" author="Zullo" box="[151,211,1412,1437]" pageId="2" pageNumber="333" refString="Zullo, V. A. (1969) Thoracic Cirripedia of the San Diego Formation, San Diego County, California. Contributions in Science, Los Angeles County Museum, 159, 1 - 25." type="journal article" year="1969">1969</bibRefCitation>
),
<bibRefCitation id="EFF84B282E08FFACFF359488FE6444B7" author="Davis" box="[233,384,1412,1437]" pageId="2" pageNumber="333" refString="Davis, C. W. (1972) Studies on the barnacles epizoic on marine vertebrates. MA thesis, California State University, San Francisco, 60 pp." type="book" year="1972">Davis (1972)</bibRefCitation>
,
<bibRefCitation id="EFF84B282E08FFACFE529489FD9844B7" author="Ross" box="[398,636,1412,1437]" pageId="2" pageNumber="333" refString="Ross, A. &amp; Frick, M. G. (2011) Nomenclatural emendations of the family-group names Cylindrolepadinae, Stomatolepadinae, Chelolepadinae, Cryptolepadinae, and Tubicinellinae of Ross &amp; Frick, 2007 - including current definitions of familygroups within the Coronuloidea (Cirripedia: Balanomorpha). Zootaxa, 3106, 60 - 66." type="journal article" year="2011">Ross &amp; Frick (2011)</bibRefCitation>
and
<bibRefCitation id="EFF84B282E08FFACFD6B9488FC8E44B7" author="Hayashi" box="[695,874,1412,1437]" pageId="2" pageNumber="333" refString="Hayashi, R. (2012) Atlas of the barnacles on marine vertebrates in Japanese waters including taxonomic review of superfamily Coronuloidea (Cirripedia: Thoracica). Journal of the Marine Biological Association of the United Kingdom, 92 (1), 107 - 127. http: // dx. doi. org / 10.1017 / s 0025315411000737" type="journal article" year="2012">Hayashi (2012)</bibRefCitation>
. In particular, NHG 27 0 0 1 strikingly recalls the illustration of a cylinder-shaped specimen of
<taxonomicName id="4C694D5A2E08FFACFD7894A4FCA944EB" box="[676,845,1448,1472]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachanecti">
<emphasis id="B91DEACB2E08FFACFD7894A4FCA944EB" box="[676,845,1448,1472]" italics="true" pageId="2" pageNumber="333">C. rhachanecti</emphasis>
</taxonomicName>
, with very short external ribs, provided by
<bibRefCitation id="EFF84B282E08FFACFA9094ABFE5A44CF" author="Pilsbry" pageId="2" pageNumber="333" refString="Pilsbry, H. A. (1916) The sessile barnacles (Cirripedia) contained in the collections of the U. S. National Museum; including a monograph of the American species. United States National Museum Bulletin, 93, 1 - 366. http: // dx. doi. org / 10.5479 / si. 03629236.93.1" type="journal article" year="1916" yearSuffix="a">Pilsbry (1916, pl. 66, figs. 2, 2a)</bibRefCitation>
.
<bibRefCitation id="EFF84B282E08FFACFE1094C0FD9444CE" author="Pilsbry" box="[460,624,1484,1509]" pageId="2" pageNumber="333" refString="Pilsbry, H. A. (1916) The sessile barnacles (Cirripedia) contained in the collections of the U. S. National Museum; including a monograph of the American species. United States National Museum Bulletin, 93, 1 - 366. http: // dx. doi. org / 10.5479 / si. 03629236.93.1" type="journal article" year="1916">Pilsbry (1916)</bibRefCitation>
described
<taxonomicName id="4C694D5A2E08FFACFD3394C0FC4444CF" box="[751,928,1484,1508]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianecti">
<emphasis id="B91DEACB2E08FFACFD3394C0FC4444CF" box="[751,928,1484,1508]" italics="true" pageId="2" pageNumber="333">C. rhachianecti</emphasis>
</taxonomicName>
as follows: &quot;[
<taxonomicName id="4C694D5A2E08FFACFB9994C0FB1244CF" box="[1093,1270,1484,1508]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianecti">
<emphasis id="B91DEACB2E08FFACFB9994C0FB1244CF" box="[1093,1270,1484,1508]" italics="true" pageId="2" pageNumber="333">C. rhachianecti</emphasis>
</taxonomicName>
] differs [from
<taxonomicName id="4C694D5A2E08FFACFF4B94FCFE7F4723" box="[151,411,1520,1544]" class="Maxillopoda" family="Coronulidae" genus="Cetopirus" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="complanatus">
<emphasis id="B91DEACB2E08FFACFF4B94FCFE7F4723" box="[151,411,1520,1544]" italics="true" pageId="2" pageNumber="333">Cetopirus complanatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C694D5A2E08FFACFE0C94FCFDDF4723" box="[464,571,1520,1544]" class="Maxillopoda" family="Coronulidae" genus="Coronula" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="genus">
<emphasis id="B91DEACB2E08FFACFE0C94FCFDDF4723" box="[464,571,1520,1544]" italics="true" pageId="2" pageNumber="333">Coronula</emphasis>
</taxonomicName>
spp.] by lacking terminal flanges uniting the radial lamellae [i.e., the external ribs, or buttresses] into a solid outer wall, though there is sometimes a suggestive approach to this structure. [...] four to six ribs are seen on each compartment above. These ribs are denticulate along both sides. [...] They are finely striated vertically and crenulated at the basal edges. [...] The radii are as thick as the compartments [...]. The sheath is transversely grooved, a little shorter than the body-chamber, and its lower margin is not overhanging or prominent&quot;. Most of these characters can be clearly observed in NHG 27 0 0 1 (
<figureCitation id="13522A5C2E08FFACFBDE97A8FBA14797" box="[1026,1093,1700,1725]" captionStart="FIGURE 2" captionStartId="3.[151,250,1918,1940]" captionTargetBox="[281,1286,193,1899]" captionTargetId="figure@3.[281,1286,193,1900]" captionTargetPageId="3" captionText="FIGURE 2. NHG 27 0 0 1, Cryptolepas rhachianecti Dall, 1872, single left compartment (latus or carinolatus) collected from Recent beach deposits in Zoutelande (Walcheren, The Netherlands): a, alar view; b, external view; c, internal view; d, radial view; e, apical view. Scale bar: 5 mm. Scanning electron microscope (SEM) images by Julien Cillis, Koninklijk Belgisch Instituut voor Natuurwetenschappen, Brussels." httpUri="https://zenodo.org/record/272174/files/figure.png" pageId="2" pageNumber="333">Fig. 2</figureCitation>
) and, on the whole, they allow us to unambiguously attribute NHG 27 0 0 1 to
<taxonomicName id="4C694D5A2E08FFACFD1097C4FC9B47CB" box="[716,895,1736,1760]" class="Maxillopoda" family="Coronulidae" genus="Cryptolepas" kingdom="Animalia" order="Sessilia" pageId="2" pageNumber="333" phylum="Arthropoda" rank="species" species="rhachianecti">
<emphasis id="B91DEACB2E08FFACFD1097C4FC9B47CB" box="[716,895,1736,1760]" italics="true" pageId="2" pageNumber="333">C. rhachianecti</emphasis>
</taxonomicName>
. Nevertheless, the specimen from Zoutelande appears slightly damaged, and the external ribs are moderately eroded and worn (likely as a consequence of mechanical degradation in the current beach environment). Whereas extant coronulid shells are typically whitecoloured and rather translucent, the specimen here studied is brownish and strongly opaque; as such, it was likely affected by some process of early fossilization (e.g. recrystalisation or permineralisation).
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</subSubSection>
</treatment>
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