160 lines
21 KiB
XML
160 lines
21 KiB
XML
<document id="0DB5E6952BE50E19B570732123CCBAF2" ID-DOI="10.11646/zootaxa.5419.2.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="10792055" ID-ZooBank="88353CBA-6C4D-40E3-8475-B1FCA2C48637" IM.bibliography_approvedBy="valdenar" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="valdenar" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="valdenar" IM.taxonomicNames_approvedBy="valdenar" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="valdenar" checkinTime="1709795503569" checkinUser="plazi" docAuthor="Holzmann, Maria, Barrenechea-Angeles, Inés, Lim, Swee-Cheng & Pawlowski, Jan" docDate="2024" docId="03A987A17B5AAF7966C44388FD29D985" docLanguage="en" docName="zootaxa.5419.2.1.pdf" docOrigin="Zootaxa 5419 (2)" docSource="http://dx.doi.org/10.11646/zootaxa.5419.2.1" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Psammina multiloculata Kamenskaya, Gooday, Tendal 2015" docType="treatment" docVersion="3" lastPageNumber="176" masterDocId="FF90FFD97B43AF636653407FFF99D97C" masterDocTitle="New xenophyophores (Foraminifera, Monothalamea) from the eastern Clarion-Clipperton Zone (equatorial Pacific)" masterLastPageNumber="188" masterPageNumber="151" pageNumber="176" updateTime="1710250611128" updateUser="valdenar" zenodo-license-document="CLOSED">
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<mods:title id="846A8CE99E24F1D0D9DBE075F5BE3C60">New xenophyophores (Foraminifera, Monothalamea) from the eastern Clarion-Clipperton Zone (equatorial Pacific)</mods:title>
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<mods:name id="056FA9990354B4E3CAAAFB73DC604F08" type="personal">
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<mods:namePart id="746EC0F36A5F02502054DDE82F889B39">Holzmann, Maria</mods:namePart>
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<mods:nameIdentifier id="D8855FF5AE80EC4421B21F65585BAA28" type="ORCID">0000-0003-2460-6210</mods:nameIdentifier>
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<mods:affiliation id="F40C2D945E6ED4D3F812551FF5D9CA72">Department of Genetics and Evolution, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Geneva, Switzerland.</mods:affiliation>
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<mods:nameIdentifier id="17802391D21377BE88075255549806BE" type="email">olzmann@unige.ch</mods:nameIdentifier>
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<mods:namePart id="34EBC9E6222CF1CAD789C493771BDF06">Barrenechea-Angeles, Inés</mods:namePart>
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<mods:affiliation id="DD954A26C8B7A569D32F4CDC13AE0344">Department of Genetics and Evolution, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Geneva, Switzerland. & Department of Geosciences, The Arctic University of Norway, Dramsvegen 201, 9037 TromsØ, Norway.</mods:affiliation>
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<mods:namePart id="BC4862F2520B8E61E076433FA857EB48">Lim, Swee-Cheng</mods:namePart>
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<mods:affiliation id="3E074BE166318C8DCB736B8B33556A5D">Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, Singapore 119227, Singapore. & Lee Kong Chian Natural History Museum, National University of Singapore, 2 Conservatory Drive, Singapore 117377</mods:affiliation>
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<mods:namePart id="FE8C543B328C4C1D3B9ED64BA445910C">Pawlowski, Jan</mods:namePart>
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<mods:affiliation id="912A2901F6FE827159883614AD6DC2F7">Institute of Oceanology, Polish Academy of Sciences, 81 - 712 Sopot, Poland. & ID-Gene Ecodiagnostics, Chemin du Pont-du-Centenaire 109, 1228 Plan-les-Ouates, Switzerland.</mods:affiliation>
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<mods:date id="89800F44F9A79ECD91A7F3198DFF64E2">2024</mods:date>
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<paragraph id="8BBF36B77B5AAF7A66C44388FC21DD6C" blockId="25.[151,952,1014,1077]" box="[151,952,1014,1041]" pageId="25" pageNumber="176">
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<heading id="D0F781DB7B5AAF7A66C44388FC21DD6C" bold="true" box="[151,952,1014,1041]" fontSize="11" level="1" pageId="25" pageNumber="176" reason="1">
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<taxonomicName id="4C004D347B5AAF7A66C44388FC21DD6C" ID-CoL="4NBCH" authority="Kamenskaya, Gooday, Tendal, 2015" authorityName="Kamenskaya, Gooday, Tendal" authorityYear="2015" box="[151,952,1014,1041]" class="Monothalamea" family="Psamminidae" genus="Psammina" isUncertain="true" kingdom="Chromista" pageId="25" pageNumber="176" phylum="Foraminifera" rank="species" species="multiloculata">
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<emphasis id="B974EAA57B5AAF7A66C44388FC21DD6C" bold="true" box="[151,952,1014,1041]" pageId="25" pageNumber="176">
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<emphasis id="B974EAA57B5AAF7A66C44388FE81DD6D" bold="true" box="[151,280,1015,1041]" italics="true" pageId="25" pageNumber="176">Psammina</emphasis>
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aff.
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<emphasis id="B974EAA57B5AAF7A67034389FE68DD6D" bold="true" box="[336,497,1014,1041]" italics="true" pageId="25" pageNumber="176">multiloculata</emphasis>
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Kamenskaya, Gooday, Tendal, 2015
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C31A653C7B5AAF7A66C44464FE51DD49" box="[151,456,1050,1077]" pageId="25" pageNumber="176" type="description">
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<paragraph id="8BBF36B77B5AAF7A66C44464FE51DD49" blockId="25.[151,952,1014,1077]" box="[151,456,1050,1077]" pageId="25" pageNumber="176">
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Supplementary
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<figureCitation id="133B2A327B5AAF7A671B4464FE06DD49" box="[328,415,1051,1077]" captionStart="FIGURE 4" captionStartId="10.[151,250,1168,1192]" captionTargetBox="[151,1436,181,1144]" captionTargetId="figure-20@10.[151,1436,181,1144]" captionTargetPageId="10" captionText="FIGURE 4. Aschemonella tani Gooday & Holzmann sp. nov., laboratory photographs of fragments from holotype; RC1555 (BC036). A, Detail of Part 1 from summit of nodule showing dark stercomare seen through wall of test. B, Part 2 broken open to expose stercomare. C, Detail of stercomare in Part 2. D, Granellare strands." figureDoi="http://doi.org/10.5281/zenodo.10792063" httpUri="https://zenodo.org/record/10792063/files/figure.png" pageId="25" pageNumber="176">Figs S4</figureCitation>
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, S
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<figureCitation id="133B2A327B5AAF7A67E94465FE51DD49" box="[442,456,1050,1077]" captionStart="FIGURE 5" captionStartId="11.[151,250,1753,1777]" captionTargetBox="[151,1436,376,1729]" captionTargetId="figure-47@11.[151,1436,376,1729]" captionTargetPageId="11" captionText="FIGURE 5. Abyssalia foliformis Gooday & Holzmann 2020; RC0612 (BC015). A, Shipboard photograph of unique test fragment. B–F, Laboratory photographs of test fragment; the stercomare had been lost from the central part of the fragment. C, D, Details of fragment showing granellare. E, Fragments of cytoplasm detached from test; note that the fragments are partly attached to sponge spicules. F, Loose stercomare pellets that had fallen out of the test." figureDoi="http://doi.org/10.5281/zenodo.10792067" httpUri="https://zenodo.org/record/10792067/files/figure.png" pageId="25" pageNumber="176">5</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C31A653C7B5AAF7A66C4441DFAA7DE79" pageId="25" pageNumber="176" type="materials_examined">
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<paragraph id="8BBF36B77B5AAF7A66C4441DFCBEDD01" blockId="25.[151,1437,1122,2013]" box="[151,807,1122,1149]" pageId="25" pageNumber="176">
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<emphasis id="B974EAA57B5AAF7A66C4441DFDC7DD00" bold="true" box="[151,606,1122,1148]" pageId="25" pageNumber="176">Material examined (morphology only)</emphasis>
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. BC044, RC1830
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</paragraph>
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<paragraph id="8BBF36B77B5AAF7A669444F8FC96DC4D" blockId="25.[151,1437,1122,2013]" pageId="25" pageNumber="176">
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Shipboard observations. The specimen was found lying flat on the surface of the box core and was probably incomplete. In shipboard photographs it formed a flat plate, fairly elongated, more than
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<quantity id="4CF89B527B5AAF7A622F44D5FB55DDB9" box="[1148,1228,1194,1221]" metricMagnitude="-2" metricUnit="m" metricValue="5.7" pageId="25" pageNumber="176" unit="mm" value="57.0">57 mm</quantity>
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long and ~
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<quantity id="4CF89B527B5AAF7A631F44D4FA04DDB9" box="[1356,1437,1195,1221]" metricMagnitude="-2" metricUnit="m" metricValue="2.9" pageId="25" pageNumber="176" unit="mm" value="29.0">29 mm</quantity>
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in maximum width, making it the largest specimen in our collection (Supplementary
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<figureCitation id="133B2A327B5AAF7A620B44B0FB58DD95" box="[1112,1217,1231,1257]" captionStart="FIGURE 4" captionStartId="10.[151,250,1168,1192]" captionTargetBox="[151,1436,181,1144]" captionTargetId="figure-20@10.[151,1436,181,1144]" captionTargetPageId="10" captionText="FIGURE 4. Aschemonella tani Gooday & Holzmann sp. nov., laboratory photographs of fragments from holotype; RC1555 (BC036). A, Detail of Part 1 from summit of nodule showing dark stercomare seen through wall of test. B, Part 2 broken open to expose stercomare. C, Detail of stercomare in Part 2. D, Granellare strands." figureDoi="http://doi.org/10.5281/zenodo.10792063" httpUri="https://zenodo.org/record/10792063/files/figure.png" pageId="25" pageNumber="176">Fig. S4A</figureCitation>
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). One of the longer sides was convex and probably included parts of the intact margin. The opposite side of the test was concave and appeared broken, as did the two irregularly shaped ends.
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</paragraph>
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<paragraph id="8BBF36B77B5AAF7A66944544FE0BDCBD" blockId="25.[151,1437,1122,2013]" pageId="25" pageNumber="176">
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Preserved specimen. On arrival in
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<collectingRegion id="49C4F8557B5AAF7A64324544FD20DC29" box="[609,697,1339,1365]" country="Switzerland" name="Geneve" pageId="25" pageNumber="176">Geneva</collectingRegion>
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, the plate had broken into several fragments, the largest about
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long and
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<quantity id="4CF89B527B5AAF7A67244521FD98DC05" box="[375,513,1374,1401]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" metricValueMax="1.5" metricValueMin="1.1" pageId="25" pageNumber="176" unit="mm" value="1.3" valueMax="1.5" valueMin="1.1">1.1–1.5 mm</quantity>
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thick (Supplementary
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<figureCitation id="133B2A327B5AAF7A65584520FCEEDC05" box="[779,887,1374,1401]" captionStart="FIGURE 5" captionStartId="11.[151,250,1753,1777]" captionTargetBox="[151,1436,376,1729]" captionTargetId="figure-47@11.[151,1436,376,1729]" captionTargetPageId="11" captionText="FIGURE 5. Abyssalia foliformis Gooday & Holzmann 2020; RC0612 (BC015). A, Shipboard photograph of unique test fragment. B–F, Laboratory photographs of test fragment; the stercomare had been lost from the central part of the fragment. C, D, Details of fragment showing granellare. E, Fragments of cytoplasm detached from test; note that the fragments are partly attached to sponge spicules. F, Loose stercomare pellets that had fallen out of the test." figureDoi="http://doi.org/10.5281/zenodo.10792067" httpUri="https://zenodo.org/record/10792067/files/figure.png" pageId="25" pageNumber="176">Fig. S5A</figureCitation>
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). The following description is based mainly on observations made at this stage, since the fragments themselves had almost totally disintegrated by the time they reached
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<collectingRegion id="49C4F8557B5AAF7A66A645D8FE17DCBD" box="[245,398,1447,1473]" country="United Kingdom" name="Southampton" pageId="25" pageNumber="176">Southampton</collectingRegion>
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.
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</paragraph>
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<paragraph id="8BBF36B77B5AAF7A669445B4FAA7DE79" blockId="25.[151,1437,1122,2013]" pageId="25" pageNumber="176">
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The surface showed concentric lineations following a rather irregular, wavy course, in places comprising a series of short, curved sections to create a scalloped effect. The lineations are sometimes joined by faint transverse lines, reflecting the cell-like compartments that occupy the test interior. The outer wall is very thin (30–68 µm), delicate and easily damaged (Supplementary
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<figureCitation id="133B2A327B5AAF7A646D4648FD53DF2D" box="[574,714,1590,1617]" captionStart="FIGURE 5" captionStartId="11.[151,250,1753,1777]" captionTargetBox="[151,1436,376,1729]" captionTargetId="figure-47@11.[151,1436,376,1729]" captionTargetPageId="11" captionText="FIGURE 5. Abyssalia foliformis Gooday & Holzmann 2020; RC0612 (BC015). A, Shipboard photograph of unique test fragment. B–F, Laboratory photographs of test fragment; the stercomare had been lost from the central part of the fragment. C, D, Details of fragment showing granellare. E, Fragments of cytoplasm detached from test; note that the fragments are partly attached to sponge spicules. F, Loose stercomare pellets that had fallen out of the test." figureDoi="http://doi.org/10.5281/zenodo.10792067" httpUri="https://zenodo.org/record/10792067/files/figure.png" pageId="25" pageNumber="176">Fig. S5B–D</figureCitation>
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). It is composed of very small mineral grains, which include a scattering of tiny orange and white grains, together with sponge spicule fragments and occasional radiolarians. The internal compartments are clearly visible in broken sections (Supplementary
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<figureCitation id="133B2A327B5AAF7A621E4600FB4CDFE5" box="[1101,1237,1662,1689]" captionStart="FIGURE 5" captionStartId="11.[151,250,1753,1777]" captionTargetBox="[151,1436,376,1729]" captionTargetId="figure-47@11.[151,1436,376,1729]" captionTargetPageId="11" captionText="FIGURE 5. Abyssalia foliformis Gooday & Holzmann 2020; RC0612 (BC015). A, Shipboard photograph of unique test fragment. B–F, Laboratory photographs of test fragment; the stercomare had been lost from the central part of the fragment. C, D, Details of fragment showing granellare. E, Fragments of cytoplasm detached from test; note that the fragments are partly attached to sponge spicules. F, Loose stercomare pellets that had fallen out of the test." figureDoi="http://doi.org/10.5281/zenodo.10792067" httpUri="https://zenodo.org/record/10792067/files/figure.png" pageId="25" pageNumber="176">Fig. S5E, F</figureCitation>
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) and are defined by partitions with the same thickness and composition as the external walls, with which they merge. Some of the partitions span the two outer walls more or less transversely, but overall, the compartments are not particularly regular and the partitions between them are orientated in various directions with respect to the outer walls.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C31A653C7B5AAF7966944770FD29D985" lastPageId="26" lastPageNumber="177" pageId="25" pageNumber="176" type="discussion">
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<paragraph id="8BBF36B77B5AAF7966944770FD29D985" blockId="25.[151,1437,1122,2013]" lastBlockId="26.[151,1437,150,249]" lastPageId="26" lastPageNumber="177" pageId="25" pageNumber="176">
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<emphasis id="B974EAA57B5AAF7A66944770FEA2DE55" bold="true" box="[199,315,1807,1833]" pageId="25" pageNumber="176">Remarks.</emphasis>
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This specimen resembles
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<taxonomicName id="4C004D347B5AAF7A64314770FCEDDE55" authorityName="Kamenskaya, Gooday, Tendal" authorityYear="2015" box="[610,884,1807,1833]" class="Monothalamea" family="Psamminidae" genus="Psammina" kingdom="Chromista" pageId="25" pageNumber="176" phylum="Foraminifera" rank="species" species="multiloculata">
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<emphasis id="B974EAA57B5AAF7A64314770FCEDDE55" box="[610,884,1807,1833]" italics="true" pageId="25" pageNumber="176">Psammina multiloculata</emphasis>
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</taxonomicName>
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in terms of its wall structure and composition, as well as the compartmentalised test interior. However, although damaged, it is still much larger than the specimen described above (
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compared to only
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!), and has a flat, plate-like morphology with no sign of a stalk or multiple radiating plates. Nevertheless, the
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<typeStatus id="54BB88157B5AAF7A64C54704FD61DEE9" box="[662,760,1915,1941]" pageId="25" pageNumber="176" type="holotype">holotype</typeStatus>
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of
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<taxonomicName id="4C004D347B5AAF7A65484704FC52DEE9" authorityName="Kamenskaya, Gooday, Tendal" authorityYear="2015" box="[795,971,1915,1941]" class="Monothalamea" family="Psamminidae" genus="Psammina" kingdom="Chromista" pageId="25" pageNumber="176" phylum="Foraminifera" rank="species" species="multiloculata">
|
||
<emphasis id="B974EAA57B5AAF7A65484704FC52DEE9" box="[795,971,1915,1941]" italics="true" pageId="25" pageNumber="176">P. multiloculata</emphasis>
|
||
</taxonomicName>
|
||
was originally described as being flat and plate-like (Kamenskaya
|
||
<emphasis id="B974EAA57B5AAF7A67F847E0FE47DEC5" box="[427,478,1951,1977]" italics="true" pageId="25" pageNumber="176">et al</emphasis>
|
||
., 2015). It was much smaller (
|
||
<quantity id="4CF89B527B5AAF7A656947E0FC15DEC5" box="[826,908,1951,1977]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="25" pageNumber="176" unit="mm" value="24.0">24 mm</quantity>
|
||
) than the present specimen, although an intact example of the species described in a later study (Kamenskaya
|
||
<emphasis id="B974EAA57B5AAF7A650A47BCFC13DEA1" box="[857,906,1987,2013]" italics="true" pageId="25" pageNumber="176">et al</emphasis>
|
||
., 2017), which was also flat and plate-like, was closer in size (
|
||
<quantity id="4CF89B527B59AF79676C40E9FE08D9CD" box="[319,401,150,177]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="26" pageNumber="177" unit="mm" value="45.0">45 mm</quantity>
|
||
compared to
|
||
<quantity id="4CF89B527B59AF79646340E9FD1CD9CD" box="[560,645,150,177]" metricMagnitude="-2" metricUnit="m" metricValue="5.7" pageId="26" pageNumber="177" unit="mm" value="57.0">57 mm</quantity>
|
||
). It is therefore possible that this large plate should be assigned to
|
||
<taxonomicName id="4C004D347B59AF7963DB40E8FEB5D9A9" authorityName="Kamenskaya, Gooday, Tendal" authorityYear="2015" class="Monothalamea" family="Psamminidae" genus="Psammina" kingdom="Chromista" pageId="26" pageNumber="177" phylum="Foraminifera" rank="species" species="multiloculata">
|
||
<emphasis id="B974EAA57B59AF7963DB40E8FEB5D9A9" italics="true" pageId="26" pageNumber="177">P. multiloculata</emphasis>
|
||
</taxonomicName>
|
||
. However, this and the specimen described above are so different morphologically that in the absence of genetic data we prefer to keep them separate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |