185 lines
28 KiB
XML
185 lines
28 KiB
XML
<document id="F69BAE7E313F6B75E7D64E84EEDB78A8" ID-DOI="10.11646/phytotaxa.385.2.2" ID-ISSN="1179-3163" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725674933826" checkinUser="felipe" docAuthor="Richards, Joseph L., Gabrielson, Paul W. & Schneider, Craig W." docDate="2018" docId="A21674381147FFB621F5FADDFB2BD444" docLanguage="en" docName="phytotaxa.385.2.2.pdf" docOrigin="Phytotaxa 385 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.385.2.2" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Sporolithon mesophoticum J. Richards, P. W. Gabrielson & C. W. Schneider 2018, sp. nov." docType="treatment" docVersion="1" lastPageNumber="73" masterDocId="5E2F0C401141FFB0217DFFDFFF86DC60" masterDocTitle="Sporolithon mesophoticum sp. nov. (Sporolithales, Rhodophyta) from Plantagenet Bank off Bermuda at a depth of 178 m" masterLastPageNumber="76" masterPageNumber="67" pageNumber="73" updateTime="1725687012766" updateUser="GgImagineBatch" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:titleInfo id="FFDB6E25623CD9D86DB7FB44CAB3CC70">
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<mods:title id="7CE2CB4D7523DF772C569E6F9254015D">Sporolithon mesophoticum sp. nov. (Sporolithales, Rhodophyta) from Plantagenet Bank off Bermuda at a depth of 178 m</mods:title>
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<mods:name id="91E281F7286142869E8EFDD0F67BAB4F" type="personal">
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<mods:role id="84F119E37AB72550D6F20C801473A708">
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<mods:roleTerm id="5DB3EE6EF49A281A73084E9BE9C7E797">Author</mods:roleTerm>
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<mods:namePart id="0D8640AA3100112931E8AB82A88597CC">Richards, Joseph L.</mods:namePart>
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<mods:affiliation id="6BC66905F1C12947C748C38FDDA0DB26">University of Louisiana at Lafayette, Biology Department, Lafayette, LA 70504 - 3602, U. S. A.</mods:affiliation>
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</mods:name>
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<mods:name id="6355299E939FC4899A5082022C9E3680" type="personal">
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<mods:roleTerm id="E083E344E51941C1A1F7DB760A171D83">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="FBF02F450CC2870C08FE73A8D64F4616">Gabrielson, Paul W.</mods:namePart>
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<mods:affiliation id="803C09F1140849404C478EF836EFB656">Biology Department and Herbarium, University of North Carolina at Chapel Hill, Coker Hall CB 3280, Chapel Hill, North Carolina 27599 - 3280, U. S. A.</mods:affiliation>
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<mods:roleTerm id="1CA3F51AF737F93A418D4FEB09EED19F">Author</mods:roleTerm>
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<mods:namePart id="9B29652F56F90351F43B1CF506FC6F56">Schneider, Craig W.</mods:namePart>
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<mods:affiliation id="63A2202EC2C270E76BA6FD68B434E90E">Department of Biology, Trinity College, Hartford, Connecticut, 06106, U. S. A.</mods:affiliation>
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<mods:typeOfResource id="3F18307C84DBD0ED095883D817403BA9">text</mods:typeOfResource>
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<mods:title id="5A42ED271CE940837A853B1510B8B914">Phytotaxa</mods:title>
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<mods:part id="D883FEFFA8C338155AA953E171B41941">
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<mods:date id="1249E8B6675DCDCC8A72D715C4BBC908">2018</mods:date>
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<mods:number id="51813A777B651F272F6A27001DD28411">2018-12-28</mods:number>
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<mods:number id="4B1B6829C882A558BE6EF8B0F36BF75B">385</mods:number>
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<mods:number id="397A4207EB6D846960C98B6D13BF02DB">2</mods:number>
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<mods:url id="C9C579618ACC3D50080E6726BC79EF2E">http://dx.doi.org/10.11646/phytotaxa.385.2.2</mods:url>
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<subSubSection id="62A596A51147FFB621F5FADDFB54D97D" box="[136,1234,1282,1309]" pageId="6" pageNumber="73" type="nomenclature">
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<paragraph id="2A00C52E1147FFB621F5FADDFB54D97D" blockId="6.[136,1234,1282,1309]" box="[136,1234,1282,1309]" pageId="6" pageNumber="73">
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<heading id="714872421147FFB621F5FADDFB54D97D" box="[136,1234,1282,1309]" fontSize="11" level="2" pageId="6" pageNumber="73" reason="3">
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<taxonomicName id="EDBFBEAD1147FFB621F5FADDFC40D97D" authority="J.Richards, P.W.Gabrielson & C.W.Schneider" authorityName="J. Richards, P. W. Gabrielson & C. W. Schneider" authorityYear="2018" box="[136,966,1282,1309]" class="Florideophyceae" family="Sporolithaceae" genus="Sporolithon" kingdom="Plantae" order="Corallinales" pageId="6" pageNumber="73" phylum="Rhodophyta" rank="species" species="mesophoticum" status="sp. nov.">
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<emphasis id="18CB193C1147FFB621F5FADDFE46D97D" bold="true" box="[136,448,1282,1309]" italics="true" pageId="6" pageNumber="73">Sporolithon mesophoticum</emphasis>
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J.Richards, P.W.Gabrielson & C.W.Schneider
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</taxonomicName>
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,
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<emphasis id="18CB193C1147FFB622ACFADBFBA0D97D" box="[977,1062,1284,1309]" italics="true" pageId="6" pageNumber="73">
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<taxonomicNameLabel id="03F8A4471147FFB622ACFADBFBA0D97D" box="[977,1062,1284,1309]" pageId="6" pageNumber="73" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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(
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||
<figureCitation id="B284D9AB1147FFB62549FADBFB4FD97D" box="[1076,1225,1284,1309]" captionStart-0="FIGURES 2–8" captionStart-1="FIGURES 9–12" captionStartId-0="5.[136,243,1841,1862]" captionStartId-1="6.[136,243,1109,1130]" captionTargetBox-0="[215,1372,198,1816]" captionTargetBox-1="[151,1436,186,1086]" captionTargetId-0="figure-14@5.[215,1372,190,1816]" captionTargetId-1="figure-15@6.[151,1436,175,1086]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionText-0="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." captionText-1="FIGURES 9–12. Sporolithon mesophoticum Holotype, NCU 658543. 9. Surface view of tetrasporangial sori (arrows). Scale bar = 0.1 cm. 10. Surface view of tetrasprangial sorus with pores (arrows). Scale bar = 258 μm. 11. Surface view of tetrasprangial sorus with pores (arrows) including portion where upper cell layers were removed (bracket) showing top-down view of tetrasporangial compartments (stars). Scale bar = 164 μm. 12. Surface view of a tetrasporangial pore (*) with rosette cells (circle pointers). Scale bar = 27 μm." pageId="6" pageNumber="73">Figures 2–12</figureCitation>
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)
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||
</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="62A596A51147FFB621F5FA94FB2BD444" pageId="6" pageNumber="73" type="materials_examined">
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<paragraph id="2A00C52E1147FFB621F5FA94FD58D9CB" blockId="6.[136,1452,1355,2084]" pageId="6" pageNumber="73">
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<materialsCitation id="9AD7CF731147FFB621F5FA94FD58D9CB" collectingDate="2016-09-26" collectionCode="N, W, C" collectorName="Schneider" country="Bermuda" county="western Atlantic Ocean" elevation="178" location="Plantagenet" municipality="Bank" pageId="6" pageNumber="73" specimenCode="NCU 658543" specimenCount="1" typeStatus="holotype">
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<emphasis id="18CB193C1147FFB621F5FA94FF69D904" box="[136,239,1355,1380]" italics="true" pageId="6" pageNumber="73">
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||
<typeStatus id="F5047B8C1147FFB621F5FA94FF69D904" box="[136,239,1355,1380]" pageId="6" pageNumber="73" type="holotype">Holotype</typeStatus>
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||
</emphasis>
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(designated here):
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<specimenCode id="7A196D551147FFB620B2FA94FDE1D904" box="[463,615,1355,1380]" collectionCode="NCU" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15495" lsid="urn:lsid:biocol.org:col:15495" name="University of North Carolina Herbarium" pageId="6" pageNumber="73" type="Herbarium">NCU 658543</specimenCode>
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(BDA silica gel no. 2048):
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<location id="2F6093F51147FFB622D2FA94FBB4D904" LSID="urn:lsid:plazi:treatment:A21674381147FFB621F5FADDFB2BD444:2F6093F51147FFB622D2FA94FBB4D904" box="[943,1074,1355,1380]" country="Bermuda" county="western Atlantic Ocean" municipality="Bank" name="Plantagenet" pageId="6" pageNumber="73">Plantagenet</location>
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(Argus)
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<collectingMunicipality id="CA645F541147FFB625E6FA94FB5FD904" box="[1179,1241,1355,1380]" pageId="6" pageNumber="73">Bank</collectingMunicipality>
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, ca.
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||
<quantity id="ED4768CB1147FFB6246CFA94FADAD904" box="[1297,1372,1355,1380]" metricMagnitude="4" metricUnit="m" metricValue="4.828032" pageId="6" pageNumber="73" unit="mi" value="30.0">30 mi.</quantity>
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southsouthwest of
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||
<collectingCountry id="52A885BE1147FFB62056FAB1FE14D9E7" box="[299,402,1390,1415]" name="Bermuda" pageId="6" pageNumber="73">Bermuda</collectingCountry>
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(31˚56’31.86”
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||
<collectionCode id="4CAE5DEB1147FFB62342FAB1FDD3D9E7" box="[575,597,1390,1415]" country="China" lsid="urn:lsid:biocol.org:col:13092" name="Nanjing University" pageId="6" pageNumber="73" type="Herbarium">N</collectionCode>
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, 65˚09’25.22”
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||
<collectionCode id="4CAE5DEB1147FFB62383FAB1FC9DD9E7" box="[766,795,1390,1415]" country="Austria" lsid="urn:lsid:biocol.org:col:15588" name="Naturhistorisches Museum Wien" pageId="6" pageNumber="73" type="Herbarium">W</collectionCode>
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),
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||
<collectingCounty id="C361BDA21147FFB62248FAB1FBCCD9E7" box="[821,1098,1390,1415]" pageId="6" pageNumber="73">western Atlantic Ocean</collectingCounty>
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,
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||
<date id="5E01E3EE1147FFB62521FAB1FB51D9E7" box="[1116,1239,1390,1415]" pageId="6" pageNumber="73" value="2016-09-26">
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||
<collectingDate id="4E451A061147FFB62521FAB1FB51D9E7" box="[1116,1239,1390,1415]" pageId="6" pageNumber="73" value="2016-09-26">26.ix.2016</collectingDate>
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||
</date>
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||
, depth
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||
<quantity id="ED4768CB1147FFB62449FAB1FA04D9E7" box="[1332,1410,1390,1415]" metricMagnitude="2" metricUnit="m" metricValue="1.78" pageId="6" pageNumber="73" unit="m" value="178.0">
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||
<elevation id="A192221D1147FFB62449FAB1FA04D9E7" box="[1332,1410,1390,1415]" metricMagnitude="2" metricUnit="m" metricValue="1.78" pageId="6" pageNumber="73" unit="m" value="178.0">178 m</elevation>
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</quantity>
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by submersible, leg.
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||
<collectionCode id="4CAE5DEB1147FFB62033FA4DFEE7D9CB" box="[334,353,1426,1451]" country="Denmark" name="University of Copenhagen" pageId="6" pageNumber="73" type="Herbarium">C</collectionCode>
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.
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<collectionCode id="4CAE5DEB1147FFB62018FA4DFE05D9CB" box="[357,387,1426,1451]" country="Austria" lsid="urn:lsid:biocol.org:col:15588" name="Naturhistorisches Museum Wien" pageId="6" pageNumber="73" type="Herbarium">W</collectionCode>
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.
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||
<collectorName id="874AA0F81147FFB620F0FA4DFE7BD9CB" box="[397,509,1426,1451]" pageId="6" pageNumber="73">Schneider</collectorName>
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coll. no. 16–23–13.
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||
</materialsCitation>
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</paragraph>
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||
<paragraph id="2A00C52E1147FFB621C0FA6AFBF7D9AE" blockId="6.[136,1452,1355,2084]" box="[189,1137,1461,1486]" pageId="6" pageNumber="73">
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<emphasis id="18CB193C1147FFB621C0FA6AFE88D9AE" box="[189,270,1461,1486]" italics="true" pageId="6" pageNumber="73">
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<typeStatus id="F5047B8C1147FFB621C0FA6AFE88D9AE" box="[189,270,1461,1486]" pageId="6" pageNumber="73" type="isotype">Isotype</typeStatus>
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||
</emphasis>
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||
:
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||
<collectionCode id="4CAE5DEB1147FFB62060FA6AFEE0D9AE" box="[285,358,1461,1486]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15602" lsid="urn:lsid:biocol.org:col:15602" name="University of Michigan" pageId="6" pageNumber="73" type="Herbarium">MICH</collectionCode>
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1210812. Fragment removed from
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<typeStatus id="F5047B8C1147FFB6238BFA6AFCDED9AE" box="[758,856,1461,1486]" pageId="6" pageNumber="73" type="holotype">holotype</typeStatus>
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||
(see
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<collectionCode id="4CAE5DEB1147FFB622EEFA6AFC45D9AE" box="[915,963,1461,1486]" country="Colombia" httpUri="http://grbio.org/cool/xsgz-nxkh" name="Instituto de Ciencias Naturales, Museo de Historia Natural" pageId="6" pageNumber="73">ICN</collectionCode>
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Art. 8.3 Ex. 8).
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</paragraph>
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||
<paragraph id="2A00C52E1147FFB621C0FA07FAA5D991" blockId="6.[136,1452,1355,2084]" box="[189,1315,1496,1521]" pageId="6" pageNumber="73">
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||
<emphasis id="18CB193C1147FFB621C0FA07FEB3D991" box="[189,309,1496,1521]" italics="true" pageId="6" pageNumber="73">Etymology</emphasis>
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||
: The specific epithet refers to the depth zone where the
|
||
<typeStatus id="F5047B8C1147FFB622D7FA07FB8AD991" box="[938,1036,1496,1521]" pageId="6" pageNumber="73" type="holotype">holotype</typeStatus>
|
||
specimen was collected.
|
||
</paragraph>
|
||
<paragraph id="2A00C52E1147FFB621C0FA24FA9ADBBE" blockId="6.[136,1452,1355,2084]" pageId="6" pageNumber="73">
|
||
<emphasis id="18CB193C1147FFB621C0FA24FEC7DA74" box="[189,321,1531,1556]" italics="true" pageId="6" pageNumber="73">Description</emphasis>
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||
: Thallus non-geniculate, forming a nucleated rhodolith with a thin crust (120–150 μm) growing over a core of consolidated sedimentary material and fragments of invertebrate organisms, putatively identified as bryozoans (
|
||
<figureCitation id="B284D9AB1147FFB62073F99DFEFFDA3B" box="[270,377,1602,1627]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Figs 2–4</figureCitation>
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), found growing in a mesophotic benthic habitat. Thallus construction monomerous, with a weakly developed hypothallium (
|
||
<figureCitation id="B284D9AB1147FFB6237EF9BAFDEADA1E" box="[515,620,1637,1662]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Figs 4–5</figureCitation>
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). Hypothallial cells rectangular in shape, 14–19 μm long x 5–8 μm wide (n=4). In some locations two superimposed layers of thalli were observed, though extensive layering was not observed. Adjacent hypothallial and perithallial cells linked by cell fusions (
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<figureCitation id="B284D9AB1147FFB62219F974FC21DAA4" box="[868,935,1707,1732]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Fig. 6</figureCitation>
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); secondary pit connections not observed. The upper perithallium was comprised of layers of wide, flattened cells, 3.1–5.1 μm long x 10.6–16.4 μm wide (
|
||
<figureCitation id="B284D9AB1147FFB62444F911FA18DA87" box="[1337,1438,1742,1767]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Figs 7–8</figureCitation>
|
||
). Meristematic cells also appeared wide and flattened, 2.5–6.1 μm long x 10.5–17.8 μm wide (
|
||
<figureCitation id="B284D9AB1147FFB625D6F92DFA94DB6B" box="[1195,1298,1778,1803]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Figs 7–8</figureCitation>
|
||
). Epithallium (
|
||
<figureCitation id="B284D9AB1147FFB621EDF8CAFF71DB4E" box="[144,247,1813,1838]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Figs 7–8</figureCitation>
|
||
) a single layer of armored epithallial cells that are and very flattened, with thick, heavily calcified cell walls and a small round or slightly trapezoidal shaped lumen, 1.2–2.0 μm long x 4.8–7.0 μm wide (n=7) (
|
||
<figureCitation id="B284D9AB1147FFB6241DF8E7FA19DB31" box="[1376,1439,1848,1873]" captionStart="FIGURES 2–8" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 2–8. Sporolithon mesophoticum Holotype, NCU 658543. 2. Habit of holotype. Scale bar = 3 cm. 3. Fracture of rhodolith showing sedimentary composition of nodule below S. mesophoticum crust. Scale bar = 0.8 mm. 4. Partial surface and section view of thallus (brackets) over substratum consisting of sedimentary material including remains of invertebrate organisms (arrows). Scale bar = 138 μm. 5. Vertical fracture of thallus showing monomerous construction. Scale bar = 60 μm. 6. Cell fusion (arrow). Scale bar = 13.8 μm. 7. Section and partial surface view showing epithallial cell (arrow), meristematic cell (*), and layers of short, flattened perithallial cells (P). Scale bar = 9.2 μm. 8. Surface and section view of epithallial cell (bracket, arrow), and section views of putative meristematic cell (*) and perithallial cell (P). Scale bar = 6.3 μm." pageId="6" pageNumber="73">Fig.8</figureCitation>
|
||
). Tetrasporangial sori observed from surface view were flush to slightly raised above the thallus surface and showed tetrasporangial pores surrounded by 10–14 rosette cells (
|
||
<figureCitation id="B284D9AB1147FFB62279F8A1FCFFDBF7" box="[772,889,1918,1943]" captionStart="FIGURES 9–12" captionStartId="6.[136,243,1109,1130]" captionTargetBox="[151,1436,186,1086]" captionTargetId="figure-15@6.[151,1436,175,1086]" captionTargetPageId="6" captionText="FIGURES 9–12. Sporolithon mesophoticum Holotype, NCU 658543. 9. Surface view of tetrasporangial sori (arrows). Scale bar = 0.1 cm. 10. Surface view of tetrasprangial sorus with pores (arrows). Scale bar = 258 μm. 11. Surface view of tetrasprangial sorus with pores (arrows) including portion where upper cell layers were removed (bracket) showing top-down view of tetrasporangial compartments (stars). Scale bar = 164 μm. 12. Surface view of a tetrasporangial pore (*) with rosette cells (circle pointers). Scale bar = 27 μm." pageId="6" pageNumber="73">Figs 9–12</figureCitation>
|
||
). No evidence of sloughing of tetrasporangial sori was shown, though no buried tetrasporangial compartments were observed in section views. Surface views of a sorus where upper cell layers were removed show compactly arranged tetrasporangial compartments (
|
||
<figureCitation id="B284D9AB1147FFB625C1F81AFA88DBBE" box="[1212,1294,1989,2014]" captionStart="FIGURES 9–12" captionStartId="6.[136,243,1109,1130]" captionTargetBox="[151,1436,186,1086]" captionTargetId="figure-15@6.[151,1436,175,1086]" captionTargetPageId="6" captionText="FIGURES 9–12. Sporolithon mesophoticum Holotype, NCU 658543. 9. Surface view of tetrasporangial sori (arrows). Scale bar = 0.1 cm. 10. Surface view of tetrasprangial sorus with pores (arrows). Scale bar = 258 μm. 11. Surface view of tetrasprangial sorus with pores (arrows) including portion where upper cell layers were removed (bracket) showing top-down view of tetrasporangial compartments (stars). Scale bar = 164 μm. 12. Surface view of a tetrasporangial pore (*) with rosette cells (circle pointers). Scale bar = 27 μm." pageId="6" pageNumber="73">Fig. 11</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="2A00C52E1147FFB621C0F837FA9DD461" blockId="6.[136,1452,1355,2084]" box="[189,1307,2024,2049]" pageId="6" pageNumber="73">
|
||
<emphasis id="18CB193C1147FFB621C0F837FEEBD461" box="[189,365,2024,2049]" italics="true" pageId="6" pageNumber="73">DNA sequences</emphasis>
|
||
:
|
||
<materialsCitation id="9AD7CF731147FFB62001F837FA9DD461" box="[380,1307,2024,2049]" collectionCode="L, GB, A" pageId="6" pageNumber="73" specimenCode="MK159181, MK159180" specimenCount="1" typeStatus="holotype">
|
||
<typeStatus id="F5047B8C1147FFB62001F837FE62D461" box="[380,484,2024,2049]" pageId="6" pageNumber="73" type="holotype">Holotype</typeStatus>
|
||
–
|
||
<emphasis id="18CB193C1147FFB6208FF837FD91D461" box="[498,535,2024,2049]" italics="true" pageId="6" pageNumber="73">rbc</emphasis>
|
||
<collectionCode id="4CAE5DEB1147FFB62365F837FDAED461" box="[536,552,2024,2049]" country="Netherlands" lsid="urn:lsid:biocol.org:col:15678" name="Nationaal Herbarium Nederland, Leiden University branch" pageId="6" pageNumber="73" type="Herbarium">L</collectionCode>
|
||
(
|
||
<collectionCode id="4CAE5DEB1147FFB6234AF837FDD9D461" box="[567,607,2024,2049]" country="Sweden" name="University of Gothenburg" pageId="6" pageNumber="73" type="Herbarium">GB</collectionCode>
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||
accession =
|
||
<specimenCode id="7A196D551147FFB62392F837FCF3D461" box="[751,885,2024,2049]" collectionCode="MK" country="Kenya" name="National Museum of Kenya" pageId="6" pageNumber="73">MK159181</specimenCode>
|
||
);
|
||
<emphasis id="18CB193C1147FFB622F5F837FC29D461" box="[904,943,2024,2049]" italics="true" pageId="6" pageNumber="73">psb</emphasis>
|
||
<collectionCode id="4CAE5DEB1147FFB622D2F837FC44D461" box="[943,962,2024,2049]" country="USA" lsid="urn:lsid:biocol.org:col:15406" name="Harvard University - Arnold Arboretum" pageId="6" pageNumber="73" type="Herbarium">A</collectionCode>
|
||
(
|
||
<collectionCode id="4CAE5DEB1147FFB622ACF837FC7FD461" box="[977,1017,2024,2049]" country="Sweden" name="University of Gothenburg" pageId="6" pageNumber="73" type="Herbarium">GB</collectionCode>
|
||
accession =
|
||
<specimenCode id="7A196D551147FFB625F4F837FA96D461" box="[1161,1296,2024,2049]" collectionCode="MK" country="Kenya" name="National Museum of Kenya" pageId="6" pageNumber="73">MK159180</specimenCode>
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||
).
|
||
</materialsCitation>
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||
</paragraph>
|
||
<paragraph id="2A00C52E1147FFB621C0F7D4FB2BD444" blockId="6.[136,1452,1355,2084]" box="[189,1197,2059,2084]" pageId="6" pageNumber="73">
|
||
<emphasis id="18CB193C1147FFB621C0F7D4FEC0D444" box="[189,326,2059,2084]" italics="true" pageId="6" pageNumber="73">Distribution</emphasis>
|
||
: Presently known only from the
|
||
<typeStatus id="F5047B8C1147FFB623CAF7D4FD61D444" box="[695,743,2059,2084]" pageId="6" pageNumber="73">type</typeStatus>
|
||
locality on Plantagenet Bank,
|
||
<collectingCountry id="52A885BE1147FFB62542F7D4FB2FD444" box="[1087,1193,2059,2084]" name="Bermuda" pageId="6" pageNumber="73">Bermuda</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |