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<document id="A3224939F3BE3EDFC9ACBF91EA102203" 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 &amp; Pawlowski, Jan" docDate="2024" docId="03A987A17B44AF6A66C44747FEE7D985" 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="Aschemonella tani Gooday &amp; Holzmann 2024, sp. nov." docType="treatment" docUuid="EE7E2E5C-6D23-4DF8-8A88-C5B4D6BEEBA2" docUuidSource="ZooBank" docVersion="3" lastPageNumber="159" masterDocId="FF90FFD97B43AF636653407FFF99D97C" masterDocTitle="New xenophyophores (Foraminifera, Monothalamea) from the eastern Clarion-Clipperton Zone (equatorial Pacific)" masterLastPageNumber="188" masterPageNumber="151" pageNumber="158" updateTime="1710250611128" updateUser="valdenar" zenodo-license-document="CLOSED">
<mods:mods id="F2C28B507C290CACFA7323F2C2D5A304" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="BB0FA77DC9C8B20C8E043399F1DD9C5E">
<mods:title id="3A13C0C6A20B80166F16BE8BA20AB4EF">New xenophyophores (Foraminifera, Monothalamea) from the eastern Clarion-Clipperton Zone (equatorial Pacific)</mods:title>
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<mods:name id="0E2B7FB69060452F4E43BD81A9D3E579" type="personal">
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<mods:namePart id="3C3ADAE3BC37BD2456BD9ADA34D91ABC">Holzmann, Maria</mods:namePart>
<mods:nameIdentifier id="47DAA28D2A7151D54C2234811D32AA0D" type="ORCID">0000-0003-2460-6210</mods:nameIdentifier>
<mods:affiliation id="97331F547ACE289E68E559C9DD901051">Department of Genetics and Evolution, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Geneva, Switzerland.</mods:affiliation>
<mods:nameIdentifier id="E96B1CC82138EE9A3FCB9E8F7E7F7FA0" type="email">olzmann@unige.ch</mods:nameIdentifier>
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<mods:namePart id="072F76C3956F7F112260FC2ED52A078F">Barrenechea-Angeles, Inés</mods:namePart>
<mods:affiliation id="2943BB6CBD6F5C19197DA4E6CB6E099E">Department of Genetics and Evolution, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Geneva, Switzerland. &amp; Department of Geosciences, The Arctic University of Norway, Dramsvegen 201, 9037 TromsØ, Norway.</mods:affiliation>
</mods:name>
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<mods:role id="61C336D33B122BF8306B737CD31B69C3">
<mods:roleTerm id="F59375626EFAEC9A2096E5BF42DB8EEA">Author</mods:roleTerm>
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<mods:namePart id="88440EB996AA7F94BA3EE025EA0437BC">Lim, Swee-Cheng</mods:namePart>
<mods:affiliation id="A9CD355C2A5408061EB61CDF88D8D197">Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, Singapore 119227, Singapore. &amp; Lee Kong Chian Natural History Museum, National University of Singapore, 2 Conservatory Drive, Singapore 117377</mods:affiliation>
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<mods:namePart id="A8FB5780BFA45DED75BE9FABB969BF6F">Pawlowski, Jan</mods:namePart>
<mods:affiliation id="B251ACA477A1F4EEDA120F3A795584BC">Institute of Oceanology, Polish Academy of Sciences, 81 - 712 Sopot, Poland. &amp; ID-Gene Ecodiagnostics, Chemin du Pont-du-Centenaire 109, 1228 Plan-les-Ouates, Switzerland.</mods:affiliation>
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<mods:title id="313DB0B340CAB92189A4553043A2AAA6">Zootaxa</mods:title>
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<mods:part id="37740B40146F480E516F881C61066EE9">
<mods:date id="EBAFEE8114AB1761D2C584AB2B9A1357">2024</mods:date>
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<mods:number id="7F7E78202DAB1F378B4AA683A0EA8115">2024-03-06</mods:number>
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<mods:detail id="A969569251F6A049EC208796EF16B72F" type="volume">
<mods:number id="B16F294BECCDE0889F9E8B8C4F1D97C7">5419</mods:number>
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<mods:number id="E7D26FD0D26D764093A6FE36A7FA40EE">2</mods:number>
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<mods:url id="BF15CDF723F6CB8E3D98EEB77B952D88">http://dx.doi.org/10.11646/zootaxa.5419.2.1</mods:url>
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<mods:identifier id="1F279BAAB683D796C6E630A6381AEDB8" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="908D2D866E05059E20F6F23F684F6696" type="Zenodo-Dep">10792055</mods:identifier>
<mods:identifier id="B092DEFE755417452BCF67BBDCB40E61" type="ZooBank">88353CBA-6C4D-40E3-8475-B1FCA2C48637</mods:identifier>
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<treatment id="03A987A17B44AF6A66C44747FEE7D985" LSID="urn:lsid:zoobank.org:act:EE7E2E5C-6D23-4DF8-8A88-C5B4D6BEEBA2" httpUri="http://treatment.plazi.org/id/03A987A17B44AF6A66C44747FEE7D985" lastPageId="9" lastPageNumber="159" pageId="7" pageNumber="158">
<subSubSection id="C31A653C7B44AF6466C44747FD69DE2E" box="[151,752,1848,1875]" pageId="7" pageNumber="158" type="nomenclature">
<paragraph id="8BBF36B77B44AF6466C44747FD69DE2E" blockId="7.[151,752,1848,1910]" box="[151,752,1848,1875]" pageId="7" pageNumber="158">
<heading id="D0F781DB7B44AF6466C44747FD69DE2E" bold="true" box="[151,752,1848,1875]" fontSize="11" level="1" pageId="7" pageNumber="158" reason="1">
<emphasis id="B974EAA57B44AF6466C44747FD69DE2E" bold="true" box="[151,752,1848,1875]" pageId="7" pageNumber="158">
<taxonomicName id="4C004D347B44AF6466C44747FD12DE2E" authority="Gooday &amp; Holzmann" authorityName="Gooday &amp; Holzmann" authorityYear="2024" box="[151,651,1848,1875]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="7" pageNumber="158" phylum="Foraminifera" rank="species" species="tani" status="sp. nov.">
<emphasis id="B974EAA57B44AF6466C44747FEE0DE2E" bold="true" box="[151,377,1848,1875]" italics="true" pageId="7" pageNumber="158">Aschemonella tani</emphasis>
Gooday &amp; Holzmann
</taxonomicName>
<taxonomicNameLabel id="A24757DE7B44AF6464C04747FD69DE2E" box="[659,752,1848,1874]" pageId="7" pageNumber="158" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C31A653C7B44AF6466C44723FF61DE0A" box="[151,248,1884,1910]" pageId="7" pageNumber="158" type="description">
<paragraph id="8BBF36B77B44AF6466C44723FF61DE0A" blockId="7.[151,752,1848,1910]" box="[151,248,1884,1910]" pageId="7" pageNumber="158">
<figureCitation id="133B2A327B44AF6466C44723FF44DE0A" box="[151,221,1884,1910]" captionStart="FIGURE 3" captionStartId="9.[151,250,1888,1912]" captionTargetBox="[151,1436,273,1865]" captionTargetId="figure-56@9.[151,1436,273,1865]" captionTargetPageId="9" captionText="FIGURE 3. Aschemonella tani Gooday &amp; Holzmann sp. nov.; holotype RC1555 (BC036). A, Shipboard photograph showing grouping of structures on nodule summit; numbers 1–3 identify parts illustrated in other photographs. B–F, Laboratory photographs. B, Part 1 from top of nodule. C, Part 2. D, E, Part 3 viewed from different sides. F, Detail of Part 3." figureDoi="http://doi.org/10.5281/zenodo.10792061" httpUri="https://zenodo.org/record/10792061/files/figure.png" pageId="7" pageNumber="158">Figs 3</figureCitation>
,
<figureCitation id="133B2A327B44AF6466B94723FF61DE0A" box="[234,248,1884,1910]" 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 &amp; 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="7" pageNumber="158">4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C31A653C7B44AF6B66C447DBFBEDD985" lastPageId="8" lastPageNumber="159" pageId="7" pageNumber="158" type="diagnosis">
<paragraph id="8BBF36B77B44AF6B66C447DBFBEDD985" blockId="7.[151,1437,1956,2019]" lastBlockId="8.[151,1437,151,2013]" lastPageId="8" lastPageNumber="159" pageId="7" pageNumber="158">
<emphasis id="B974EAA57B44AF6466C447DBFE93DEC2" bold="true" box="[151,266,1956,1982]" pageId="7" pageNumber="158">Diagnosis</emphasis>
. Species of
<taxonomicName id="4C004D347B44AF6467CA47DBFDAFDEC2" authorityName="Brady" authorityYear="1879" box="[409,566,1956,1982]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="7" pageNumber="158" phylum="Foraminifera" rank="genus">
<emphasis id="B974EAA57B44AF6467CA47DBFDAFDEC2" box="[409,566,1956,1982]" italics="true" pageId="7" pageNumber="158">Aschemonella</emphasis>
</taxonomicName>
with attached test forming tubular branching structures that grow free from solid substrate. Branches are relatively wide compared to their length and in places display vague segmentation. Upstanding parts extend into basal system of flat, branching tubes that encrust parts of the substrate surface. Stercomare forms irregular, sometimes discontinuous masses, but more elongated, continuous masses run along branches. Granellare forms pale yellowish, branching strands, typically 21–36 µm wide.
</paragraph>
</subSubSection>
<subSubSection id="C31A653C7B4BAF6B6694417CFE2DD819" pageId="8" pageNumber="159" type="etymology">
<paragraph id="8BBF36B77B4BAF6B6694417CFE2DD819" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
<emphasis id="B974EAA57B4BAF6B6694417CFED1D861" bold="true" box="[199,328,259,285]" pageId="8" pageNumber="159">Etymology</emphasis>
. The new species is named for Dr Koh Siang Tan, Head of the Marine Biology and Ecology Laboratory at the Tropical Marine Science Institute,
<collectingCountry id="F31776277B4BAF6B64B04158FCCED83D" box="[739,855,295,321]" name="Singapore" pageId="8" pageNumber="159">Singapore</collectingCountry>
, who has led research by
<collectingCountry id="F31776277B4BAF6B62244158FB70D83D" box="[1143,1257,295,321]" name="Singapore" pageId="8" pageNumber="159">Singapore</collectingCountry>
scientists in the Clarion-Clipperton Zone.
</paragraph>
</subSubSection>
<subSubSection id="C31A653C7B4BAF6B66944110FDC3D889" pageId="8" pageNumber="159" type="materials_examined">
<paragraph id="8BBF36B77B4BAF6B66944110FDC3D889" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
<emphasis id="B974EAA57B4BAF6B66944110FD81D8F5" bold="true" box="[199,536,366,393]" pageId="8" pageNumber="159">Type specimen and locality.</emphasis>
<materialsCitation id="3B683CEA7B4BAF6B64704110FD09D8D1" collectionCode="FOR" country="Singapore" location="Lee Kong Chian Natural History" municipality="Kong Chian Natural History Museum" pageId="8" pageNumber="159" specimenCount="1" typeStatus="holotype">
The
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(
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Lee
<collectingMunicipality id="6BDBACCD7B4BAF6B65534110FBDFD8F5" box="[768,1094,367,393]" pageId="8" pageNumber="159">Kong Chian Natural History</collectingMunicipality>
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Museum,
<collectingCountry id="F31776277B4BAF6B62904110FAAED8F5" box="[1219,1335,367,393]" name="Singapore" pageId="8" pageNumber="159">Singapore</collectingCountry>
, reg. no. ZR
<emphasis id="B974EAA57B4BAF6B66E841ECFF4CD8D1" box="[187,213,403,429]" italics="true" pageId="8" pageNumber="159">C.</emphasis>
<collectionCode id="ED11AE727B4BAF6B668641ECFE96D8D1" box="[213,271,403,429]" country="Finland" httpUri="http://biocol.org/urn:lsid:biocol.org:col:12841" lsid="urn:lsid:biocol.org:col:12841" name="Forssa Museum of Natural History" pageId="8" pageNumber="159" type="Herbarium">FOR</collectionCode>
.0002, preserved in 10% formalin)
</materialsCitation>
<materialsCitation id="3B683CEA7B4BAF6B64CA41ECFDCCD889" collectionCode="RC" country="Singapore" elevation="4196" latitude="12.445972" longLatPrecision="1" longitude="-117.82808" pageId="8" pageNumber="159" specimenCode="RC1555" specimenCount="1">
was collected in box core BC036 (specimen
<specimenCode id="DBA69ECC7B4BAF6B62C041EDFB6CD8D1" box="[1171,1269,402,429]" collectionCode="RC" pageId="8" pageNumber="159">RC1555</specimenCode>
); OMS license area,
<geoCoordinate id="EE3450707B4BAF6B668641C8FEE6D8AD" box="[213,383,438,465]" degrees="12" direction="north" minutes="26" orientation="latitude" pageId="8" pageNumber="159" precision="1" seconds="45.5" value="12.445972">12° 26' 45.5&quot;N</geoCoordinate>
,
<geoCoordinate id="EE3450707B4BAF6B67DF41C8FDD0D8AD" box="[396,585,439,465]" degrees="117" direction="west" minutes="49" orientation="longitude" pageId="8" pageNumber="159" precision="1" seconds="41.1" value="-117.82808">117° 49' 41.1&quot;W</geoCoordinate>
;
<quantity id="4CF89B527B4BAF6B640541C8FD32D8AD" box="[598,683,439,465]" metricMagnitude="3" metricUnit="m" metricValue="4.196" pageId="8" pageNumber="159" unit="m" value="4196.0">
<elevation id="002DD1847B4BAF6B640541C8FD32D8AD" box="[598,683,439,465]" metricMagnitude="3" metricUnit="m" metricValue="4.196" pageId="8" pageNumber="159" unit="m" value="4196.0">4196 m</elevation>
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water depth. A fragment was used for genetics (sequenced isolate: 21430). There were no
<typeStatus id="54BB88157B4BAF6B67CE41A4FDCCD889" box="[413,597,475,501]" isOtherTypeStatus="true" pageId="8" pageNumber="159">other specimens</typeStatus>
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.
</paragraph>
</subSubSection>
<subSubSection id="C31A653C7B4BAF6B66944181FBA1DF75" pageId="8" pageNumber="159" type="description">
<paragraph id="8BBF36B77B4BAF6B66944181FE84DA45" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
<emphasis id="B974EAA57B4BAF6B66944181FEC0DB65" bold="true" box="[199,345,510,537]" pageId="8" pageNumber="159">Description.</emphasis>
Shipboard photographs. The main part of the test (labelled ‘1’ in
<figureCitation id="133B2A327B4BAF6B620D4180FB20DB65" box="[1118,1209,511,537]" captionStart="FIGURE 3" captionStartId="9.[151,250,1888,1912]" captionTargetBox="[151,1436,273,1865]" captionTargetId="figure-56@9.[151,1436,273,1865]" captionTargetPageId="9" captionText="FIGURE 3. Aschemonella tani Gooday &amp; Holzmann sp. nov.; holotype RC1555 (BC036). A, Shipboard photograph showing grouping of structures on nodule summit; numbers 1–3 identify parts illustrated in other photographs. B–F, Laboratory photographs. B, Part 1 from top of nodule. C, Part 2. D, E, Part 3 viewed from different sides. F, Detail of Part 3." figureDoi="http://doi.org/10.5281/zenodo.10792061" httpUri="https://zenodo.org/record/10792061/files/figure.png" pageId="8" pageNumber="159">Fig. 3A</figureCitation>
) stands erect at the summit of a roughly conical nodule. Its overall height is around
<quantity id="4CF89B527B4BAF6B6534425CFC59DB41" box="[871,960,547,573]" metricMagnitude="-3" metricUnit="m" metricValue="3.9" pageId="8" pageNumber="159" unit="mm" value="3.9">3.9 mm</quantity>
. There is a short stalk, ~
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long and
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wide, that gives rise to three branches, also short and relatively wide (length
<quantity id="4CF89B527B4BAF6B62D24239FA92DB1D" box="[1153,1291,582,609]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" metricValueMax="1.7" metricValueMin="1.5" pageId="8" pageNumber="159" unit="mm" value="1.6" valueMax="1.7" valueMin="1.5">1.5–1.7 mm</quantity>
; width 0.60– 1.0 mm). At its top, the test bifurcates into two further branches, the longer one
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in length and
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wide. The structure is rusty brown in overall colour. The base of the stalk continues as an encrusting structure that spreads across part of the nodule summit. The base also gives rise to two short branches that project from the nodule surface near the summit; one is ~
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long and the other at least of similar length. The summit region of the nodule hosts at least two other projecting structures (labelled ‘2’ and ‘3’ in
<figureCitation id="133B2A327B4BAF6B624E4284FBEDDA69" box="[1053,1140,763,789]" captionStart="FIGURE 3" captionStartId="9.[151,250,1888,1912]" captionTargetBox="[151,1436,273,1865]" captionTargetId="figure-56@9.[151,1436,273,1865]" captionTargetPageId="9" captionText="FIGURE 3. Aschemonella tani Gooday &amp; Holzmann sp. nov.; holotype RC1555 (BC036). A, Shipboard photograph showing grouping of structures on nodule summit; numbers 1–3 identify parts illustrated in other photographs. B–F, Laboratory photographs. B, Part 1 from top of nodule. C, Part 2. D, E, Part 3 viewed from different sides. F, Detail of Part 3." figureDoi="http://doi.org/10.5281/zenodo.10792061" httpUri="https://zenodo.org/record/10792061/files/figure.png" pageId="8" pageNumber="159">Fig. 3A</figureCitation>
) with a weakly segmented appearance.
</paragraph>
<paragraph id="8BBF36B77B4BAF6B6694433CFE26DD6D" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
Preserved fragments. Parts 1, 2 and
<quantity id="4CF89B527B4BAF6B6408433CFD1EDA21" box="[603,647,835,861]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="8" pageNumber="159" unit="in" value="3.0">3 in</quantity>
<figureCitation id="133B2A327B4BAF6B64DD433CFD7BDA21" box="[654,738,835,861]" captionStart="FIGURE 3" captionStartId="9.[151,250,1888,1912]" captionTargetBox="[151,1436,273,1865]" captionTargetId="figure-56@9.[151,1436,273,1865]" captionTargetPageId="9" captionText="FIGURE 3. Aschemonella tani Gooday &amp; Holzmann sp. nov.; holotype RC1555 (BC036). A, Shipboard photograph showing grouping of structures on nodule summit; numbers 1–3 identify parts illustrated in other photographs. B–F, Laboratory photographs. B, Part 1 from top of nodule. C, Part 2. D, E, Part 3 viewed from different sides. F, Detail of Part 3." figureDoi="http://doi.org/10.5281/zenodo.10792061" httpUri="https://zenodo.org/record/10792061/files/figure.png" pageId="8" pageNumber="159">Fig. 3A</figureCitation>
are all recognisable among the preserved fragments. They are identical in general appearance and wall structure, suggesting that they are parts of the same organism. The wall is pale, brownish yellow, and about 40 µm thick. It is composed largely of small mineral grains (less than about 25 µm in size), mainly resembling quartz but with a scattering of blackish and reddish grains, and with sponge spicule fragments making a subordinate but important contribution. A few tests of agglutinated foraminifera are also incorporated into the wall.
</paragraph>
<paragraph id="8BBF36B77B4BAF6B66944464FD4CDD95" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
The stercomare can be seen dimly through the test wall when illuminated with transmitted light. In the central parts of the fragments (
<figureCitation id="133B2A327B4BAF6B67F54440FD9ADD25" box="[422,515,1087,1113]" 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 &amp; 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="8" pageNumber="159">Fig. 4A</figureCitation>
), it forms irregularly shaped, apparently disconnected masses up to ~800 µm in maximum extent but usually less. More elongated, continuous masses occupy the branches of the part 1 fragment (
<figureCitation id="133B2A327B4BAF6B66CC44F8FF61DDDD" box="[159,248,1159,1185]" captionStart="FIGURE 3" captionStartId="9.[151,250,1888,1912]" captionTargetBox="[151,1436,273,1865]" captionTargetId="figure-56@9.[151,1436,273,1865]" captionTargetPageId="9" captionText="FIGURE 3. Aschemonella tani Gooday &amp; Holzmann sp. nov.; holotype RC1555 (BC036). A, Shipboard photograph showing grouping of structures on nodule summit; numbers 1–3 identify parts illustrated in other photographs. B–F, Laboratory photographs. B, Part 1 from top of nodule. C, Part 2. D, E, Part 3 viewed from different sides. F, Detail of Part 3." figureDoi="http://doi.org/10.5281/zenodo.10792061" httpUri="https://zenodo.org/record/10792061/files/figure.png" pageId="8" pageNumber="159">Fig. 3B</figureCitation>
). Part 3 appears to have more strongly developed stercomare since the interior is filled with dark material when viewed through the test wall. The granellare forms pale yellowish, branching strands, typically 21–36 µm wide but swelling in places to 50–65 µm (
<figureCitation id="133B2A327B4BAF6B643D44B0FD50DD95" box="[622,713,1231,1257]" 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 &amp; 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="8" pageNumber="159">Fig. 4D</figureCitation>
).
</paragraph>
<paragraph id="8BBF36B77B4BAF6B6694448CFE1EDCE1" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
The test, including the lower encrusting part, is to some extent obscured by another agglutinated structure. This is basically tubular, branches and is to some extent reticulated. The width is variable (
<quantity id="4CF89B527B4BAF6B622B4568FAB8DC4D" box="[1144,1313,1303,1329]" metricMagnitude="-4" metricUnit="m" metricValue="6" metricValueMax="8.0" metricValueMin="4.0" pageId="8" pageNumber="159" unit="mm" value="0.6" valueMax="0.8" valueMin="0.4">0.40–0.80 mm</quantity>
) and there are several inflated segments. It is most likely another monothalamid species. In preserved fragments as well as in shipboard photographs (
<figureCitation id="133B2A327B4BAF6B67F44520FDBADC05" box="[423,547,1375,1401]" captionStart="FIGURE 3" captionStartId="9.[151,250,1888,1912]" captionTargetBox="[151,1436,273,1865]" captionTargetId="figure-56@9.[151,1436,273,1865]" captionTargetPageId="9" captionText="FIGURE 3. Aschemonella tani Gooday &amp; Holzmann sp. nov.; holotype RC1555 (BC036). A, Shipboard photograph showing grouping of structures on nodule summit; numbers 1–3 identify parts illustrated in other photographs. B–F, Laboratory photographs. B, Part 1 from top of nodule. C, Part 2. D, E, Part 3 viewed from different sides. F, Detail of Part 3." figureDoi="http://doi.org/10.5281/zenodo.10792061" httpUri="https://zenodo.org/record/10792061/files/figure.png" pageId="8" pageNumber="159">Fig. 3A–D</figureCitation>
), the branches have a lighter greyish colour compared to the
<taxonomicName id="4C004D347B4BAF6B629D4520FAF2DC05" authorityName="Brady" authorityYear="1879" box="[1230,1387,1375,1401]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="genus">
<emphasis id="B974EAA57B4BAF6B629D4520FAF2DC05" box="[1230,1387,1375,1401]" italics="true" pageId="8" pageNumber="159">Aschemonella</emphasis>
</taxonomicName>
that they partly overgrow.
</paragraph>
<paragraph id="8BBF36B77B4BAF6B669445D8FBA1DF75" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
<emphasis id="B974EAA57B4BAF6B669445D8FD8CDCBD" bold="true" box="[199,533,1446,1473]" pageId="8" pageNumber="159">Molecular characterisation.</emphasis>
<taxonomicName id="4C004D347B4BAF6B644C45D8FD6BDCBC" authorityName="Gooday &amp; Holzmann" authorityYear="2024" box="[543,754,1447,1473]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="tani">
<emphasis id="B974EAA57B4BAF6B644C45D8FD6BDCBC" box="[543,754,1447,1473]" italics="true" pageId="8" pageNumber="159">Aschemonella tani</emphasis>
</taxonomicName>
branches at the base of
<taxonomicName id="4C004D347B4BAF6B625C45D8FB77DCBD" box="[1039,1262,1447,1473]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="undefined-3">
<emphasis id="B974EAA57B4BAF6B625C45D8FB35DCBD" box="[1039,1196,1447,1473]" italics="true" pageId="8" pageNumber="159">Aschemonella</emphasis>
sp. 3
</taxonomicName>
with
<emphasis id="B974EAA57B4BAF6B636045D8FAD2DCBD" box="[1331,1355,1447,1473]" italics="true" pageId="8" pageNumber="159">A.</emphasis>
aspera forming a sister group to these two species (
<figureCitation id="133B2A327B4BAF6B64D545B4FD51DC99" box="[646,712,1483,1509]" captionStart="FIGURE 1" captionStartId="5.[151,250,1900,1924]" captionTargetBox="[166,1429,189,1868]" captionTargetId="figure-18@5.[151,1436,179,1874]" captionTargetPageId="5" captionText="FIGURE 1. PhyML phylogenetic tree based on the 3'end fragment of the SSU rRNA gene, showing the evolutionary relationships of 79 foraminiferal sequences belonging to monothalamids. Specimens marked in bold indicate those for which sequences were acquired during the present study. The tree is unrooted. Specimens are identified by their accession numbers. Numbers at nodes indicate bootstrap values (BVs). Only BVs&gt;70% are shown." figureDoi="http://doi.org/10.5281/zenodo.10792057" httpUri="https://zenodo.org/record/10792057/files/figure.png" pageId="8" pageNumber="159">Fig. 1</figureCitation>
). The grouping is not supported by the BV. The sequenced fragment of 18S gene of
<taxonomicName id="4C004D347B4BAF6B67D24590FE55DF74" authorityName="Gooday &amp; Holzmann" authorityYear="2024" box="[385,460,1519,1545]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="tani">
<emphasis id="B974EAA57B4BAF6B67D24590FE55DF74" box="[385,460,1519,1545]" italics="true" pageId="8" pageNumber="159">A. tani</emphasis>
</taxonomicName>
contains 1028 nucleotides and the GC content is 34 %.
</paragraph>
</subSubSection>
<subSubSection id="C31A653C7B4BAF6A6694466CFEE7D985" lastPageId="9" lastPageNumber="160" pageId="8" pageNumber="159" type="discussion">
<paragraph id="8BBF36B77B4BAF6B6694466CFAF7DE31" blockId="8.[151,1437,151,2013]" pageId="8" pageNumber="159">
<emphasis id="B974EAA57B4BAF6B6694466CFEA2DF51" bold="true" box="[199,315,1555,1581]" pageId="8" pageNumber="159">Remarks.</emphasis>
The branching, basically tubular test, and the fairly large, irregularly shaped stercomare masses of
<taxonomicName id="4C004D347B4BAF6B66C44648FEFEDF2C" authorityName="Gooday &amp; Holzmann" authorityYear="2024" box="[151,359,1591,1617]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="tani">
<emphasis id="B974EAA57B4BAF6B66C44648FEFEDF2C" box="[151,359,1591,1617]" italics="true" pageId="8" pageNumber="159">Aschemonella tani</emphasis>
</taxonomicName>
, distinguish it from
<taxonomicName id="4C004D347B4BAF6B64194648FD22DF2D" authorityName="Gooday &amp; Holzmann" authorityYear="2017" box="[586,699,1591,1617]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="monilis">
<emphasis id="B974EAA57B4BAF6B64194648FD22DF2D" box="[586,699,1591,1617]" italics="true" pageId="8" pageNumber="159">A. monilis</emphasis>
</taxonomicName>
, in which the test is clearly segmented and the stercomare masses resemble pellets. It is much more similar to
<taxonomicName id="4C004D347B4BAF6B64C34624FCB4DF09" authorityName="Brady" authorityYear="1879" box="[656,813,1627,1653]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="genus">
<emphasis id="B974EAA57B4BAF6B64C34624FCB4DF09" box="[656,813,1627,1653]" italics="true" pageId="8" pageNumber="159">Aschemonella</emphasis>
</taxonomicName>
aspera, another species from the CCZ that also has an approximately tubular test growing upwards from the substrate to which it is attached. However, the test is more strongly branched in the new species and has a brownish yellow wall composed of small mineral grains with a smooth outer surface, unlike that of
<emphasis id="B974EAA57B4BAF6B647E46B8FDDFDF9D" box="[557,582,1735,1761]" italics="true" pageId="8" pageNumber="159">A.</emphasis>
aspera, in which the wall is dark grey and much more coarsely agglutinated with a rough surface composed of micronodules and mineral grains. The most similar described species is
<taxonomicName id="4C004D347B4BAF6B630A4694FE89DE55" authorityName="Brady" authorityYear="1884" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="ramuliformis">
<emphasis id="B974EAA57B4BAF6B630A4694FE89DE55" italics="true" pageId="8" pageNumber="159">A. ramuliformis</emphasis>
</taxonomicName>
. This also forms branching tubes, but they are more elongate and regular than those of the new species (Brady, 1884;
<bibRefCitation id="EF914B467B4BAF6B676B474CFD83DE31" author="Gooday, A. &amp; Aranda da Silva, A. &amp; Pawlowski, J." box="[312,538,1843,1869]" pageId="8" pageNumber="159" pagination="2401 - 2419" refId="ref22078" refString="Gooday, A. J, Aranda da Silva, A. &amp; Pawlowski, J. (2011) Xenophyophores (Rhizaria, Foraminifera) from the Nazare Canyon (Portuguese margin, NE Atlantic). Deep-Sea Research II, 58, 2401 - 2419. https: // doi. org / 10.1016 / j. dsr 2.2011.04.005" type="journal article" year="2011">
Gooday
<emphasis id="B974EAA57B4BAF6B67CB474CFE50DE31" box="[408,457,1843,1869]" italics="true" pageId="8" pageNumber="159">et al</emphasis>
., 2011
</bibRefCitation>
). There are no records of
<taxonomicName id="4C004D347B4BAF6B6564474CFC70DE31" authorityName="Brady" authorityYear="1884" box="[823,1001,1843,1869]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="ramuliformis">
<emphasis id="B974EAA57B4BAF6B6564474CFC70DE31" box="[823,1001,1843,1869]" italics="true" pageId="8" pageNumber="159">A. ramuliformis</emphasis>
</taxonomicName>
being attached to a hard substrate.
</paragraph>
<paragraph id="8BBF36B77B4BAF6A66944728FEE7D985" blockId="8.[151,1437,151,2013]" lastBlockId="9.[151,1436,151,249]" lastPageId="9" lastPageNumber="160" pageId="8" pageNumber="159">
These three species (
<emphasis id="B974EAA57B4BAF6B67E34728FE50DE0D" box="[432,457,1879,1905]" italics="true" pageId="8" pageNumber="159">A.</emphasis>
aspera,
<taxonomicName id="4C004D347B4BAF6B64774728FD0CDE0D" authorityName="Gooday &amp; Holzmann" authorityYear="2017" box="[548,661,1879,1905]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="monilis">
<emphasis id="B974EAA57B4BAF6B64774728FD0CDE0D" box="[548,661,1879,1905]" italics="true" pageId="8" pageNumber="159">A. monilis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C004D347B4BAF6B64F04728FCCDDE0D" authorityName="Brady" authorityYear="1884" box="[675,852,1879,1905]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="ramuliformis">
<emphasis id="B974EAA57B4BAF6B64F04728FCCDDE0D" box="[675,852,1879,1905]" italics="true" pageId="8" pageNumber="159">A. ramuliformis</emphasis>
</taxonomicName>
) are genetically distinct from
<taxonomicName id="4C004D347B4BAF6B62F64728FB69DE0C" authorityName="Gooday &amp; Holzmann" authorityYear="2024" box="[1189,1264,1879,1905]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="tani">
<emphasis id="B974EAA57B4BAF6B62F64728FB69DE0C" box="[1189,1264,1879,1905]" italics="true" pageId="8" pageNumber="159">A. tani</emphasis>
</taxonomicName>
(
<figureCitation id="133B2A327B4BAF6B62AC4728FAD9DE0D" box="[1279,1344,1879,1905]" captionStart="FIGURE 1" captionStartId="5.[151,250,1900,1924]" captionTargetBox="[166,1429,189,1868]" captionTargetId="figure-18@5.[151,1436,179,1874]" captionTargetPageId="5" captionText="FIGURE 1. PhyML phylogenetic tree based on the 3'end fragment of the SSU rRNA gene, showing the evolutionary relationships of 79 foraminiferal sequences belonging to monothalamids. Specimens marked in bold indicate those for which sequences were acquired during the present study. The tree is unrooted. Specimens are identified by their accession numbers. Numbers at nodes indicate bootstrap values (BVs). Only BVs&gt;70% are shown." figureDoi="http://doi.org/10.5281/zenodo.10792057" httpUri="https://zenodo.org/record/10792057/files/figure.png" pageId="8" pageNumber="159">Fig. 1</figureCitation>
). Based on molecular data, the new species is most closely related to
<taxonomicName id="4C004D347B4BAF6B65084704FBA1DEE9" box="[859,1080,1915,1941]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="undefined-3">
<emphasis id="B974EAA57B4BAF6B65084704FC61DEE9" box="[859,1016,1915,1941]" italics="true" pageId="8" pageNumber="159">Aschemonella</emphasis>
sp. 3
</taxonomicName>
of
<bibRefCitation id="EF914B467B4BAF6B62314704FAF8DEE9" author="Gooday, A. J. &amp; Holzmann, M. &amp; Caulle, C. &amp; Goineau, A. &amp; Kamenskaya, O. E. &amp; Weber, A. A. - T. &amp; Pawlowski, J." box="[1122,1377,1915,1941]" pageId="8" pageNumber="159" pagination="106 - 116" refId="ref21609" refString="Gooday, A. J., Holzmann, M., Caulle, C., Goineau, A., Kamenskaya, O. E., Weber, A. A. - T. &amp; Pawlowski, J. (2017 a) Giant foraminifera (xenophyophores) are exceptionally diverse in parts of the abyssal eastern Pacific where seabed mining is likely to occur. Biological Conservation, 207, 106 - 116. https: // doi. org / 10.1016 / j. biocon. 2017.01.006" type="journal article" year="2017">
Gooday
<emphasis id="B974EAA57B4BAF6B62974704FB61DEE9" box="[1220,1272,1915,1941]" italics="true" pageId="8" pageNumber="159">et al</emphasis>
. (2017a)
</bibRefCitation>
, also from the CCZ. The test of this undescribed species forms an irregular system of reticulated tubes that are sometimes vaguely segmented and either attached to a nodule surface or grow free. The lower encrusting part of our
<taxonomicName id="4C004D347B4BAF6B630347BCFA04DEA0" authorityName="Gooday &amp; Holzmann" authorityYear="2024" box="[1360,1437,1987,2013]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="8" pageNumber="159" phylum="Foraminifera" rank="species" species="tani">
<emphasis id="B974EAA57B4BAF6B630347BCFA04DEA0" box="[1360,1437,1987,2013]" italics="true" pageId="8" pageNumber="159">A. tani</emphasis>
</taxonomicName>
specimen, which comprised tubular structures spreading across the nodule surface, is rather similar to the attached parts of
<taxonomicName id="4C004D347B4AAF6A66AA40C4FE43D9A9" box="[249,474,187,213]" class="Monothalamea" family="Syringamminidae" genus="Aschemonella" kingdom="Chromista" pageId="9" pageNumber="160" phylum="Foraminifera" rank="species" species="undefined-3">
<emphasis id="B974EAA57B4AAF6A66AA40C4FE0FD9A9" box="[249,406,187,213]" italics="true" pageId="9" pageNumber="160">Aschemonella</emphasis>
sp. 3
</taxonomicName>
. However, the upper, free-standing part of the test does not form the same kind of reticulated structure.
</paragraph>
</subSubSection>
</treatment>
</document>
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