treatments-xml/data/A2/16/74/A21674381147FFB621F5FADDFB2BD444.xml

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<document id="14CEBAFFF093690C2B24FFF8774D0A09" ID-DOI="10.11646/phytotaxa.385.2.2" ID-ISSN="1179-3163" ID-Zenodo-Dep="13725901" 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. &amp; 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 &amp; C. W. Schneider 2018, sp. nov." docType="treatment" docVersion="2" 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="1725687323512" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="42C45D1F623E04984B56D86A2D785978">Sporolithon mesophoticum sp. nov. (Sporolithales, Rhodophyta) from Plantagenet Bank off Bermuda at a depth of 178 m</mods:title>
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<mods:namePart id="16C7C8197343DF1BAA37B5916EF0AAE4">Richards, Joseph L.</mods:namePart>
<mods:affiliation id="C7C0C82AC375F049593F0BCFEC304F87">University of Louisiana at Lafayette, Biology Department, Lafayette, LA 70504 - 3602, U. S. A.</mods:affiliation>
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<mods:namePart id="1C86C8DF0CDC94853F5B9A6B29110F09">Gabrielson, Paul W.</mods:namePart>
<mods:affiliation id="3F43500D21925A342166EF94FD75F01F">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:namePart id="3F2B2DD012343A29C78AE71C16EE69B8">Schneider, Craig W.</mods:namePart>
<mods:affiliation id="DB14A8831423F6DEB9E9240BFA8280A3">Department of Biology, Trinity College, Hartford, Connecticut, 06106, U. S. A.</mods:affiliation>
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<mods:title id="5F775DB63EB7EFF38AD9180862A177AF">Phytotaxa</mods:title>
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<treatment id="A21674381147FFB621F5FADDFB2BD444" LSID="urn:lsid:plazi:treatment:A21674381147FFB621F5FADDFB2BD444" httpUri="http://treatment.plazi.org/id/A21674381147FFB621F5FADDFB2BD444" lastPageNumber="73" pageId="6" pageNumber="73">
<subSubSection id="62A596A51147FFB621F5FADDFB54D97D" box="[136,1234,1282,1309]" pageId="6" pageNumber="73" type="nomenclature">
<paragraph id="2A00C52E1147FFB621F5FADDFB54D97D" blockId="6.[136,1234,1282,1309]" box="[136,1234,1282,1309]" pageId="6" pageNumber="73">
<heading id="714872421147FFB621F5FADDFB54D97D" box="[136,1234,1282,1309]" fontSize="11" level="2" pageId="6" pageNumber="73" reason="3">
<taxonomicName id="EDBFBEAD1147FFB621F5FADDFC40D97D" authority="J.Richards, P.W.Gabrielson &amp; C.W.Schneider" authorityName="J. Richards, P. W. Gabrielson &amp; 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.">
<emphasis id="18CB193C1147FFB621F5FADDFE46D97D" bold="true" box="[136,448,1282,1309]" italics="true" pageId="6" pageNumber="73">Sporolithon mesophoticum</emphasis>
J.Richards, P.W.Gabrielson &amp; C.W.Schneider
</taxonomicName>
,
<emphasis id="18CB193C1147FFB622ACFADBFBA0D97D" box="[977,1062,1284,1309]" italics="true" pageId="6" pageNumber="73">
<taxonomicNameLabel id="03F8A4471147FFB622ACFADBFBA0D97D" box="[977,1062,1284,1309]" pageId="6" pageNumber="73" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="B284D9AB1147FFB62549FADBFB4FD97D" box="[1076,1225,1284,1309]" captionStart-0="FIGURES 28" captionStart-1="FIGURES 912" 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 28. 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 912. 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." figureDoi-0="http://doi.org/10.5281/zenodo.13725905" figureDoi-1="http://doi.org/10.5281/zenodo.13725907" httpUri-0="https://zenodo.org/record/13725905/files/figure.png" httpUri-1="https://zenodo.org/record/13725907/files/figure.png" pageId="6" pageNumber="73">Figures 212</figureCitation>
)
</heading>
</paragraph>
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<subSubSection id="62A596A51147FFB621F5FA94FB2BD444" pageId="6" pageNumber="73" type="materials_examined">
<paragraph id="2A00C52E1147FFB621F5FA94FD58D9CB" blockId="6.[136,1452,1355,2084]" pageId="6" pageNumber="73">
<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">
<emphasis id="18CB193C1147FFB621F5FA94FF69D904" box="[136,239,1355,1380]" italics="true" pageId="6" pageNumber="73">
<typeStatus id="F5047B8C1147FFB621F5FA94FF69D904" box="[136,239,1355,1380]" pageId="6" pageNumber="73" type="holotype">Holotype</typeStatus>
</emphasis>
(designated here):
<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>
(BDA silica gel no. 2048):
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(Argus)
<collectingMunicipality id="CA645F541147FFB625E6FA94FB5FD904" box="[1179,1241,1355,1380]" pageId="6" pageNumber="73">Bank</collectingMunicipality>
, ca.
<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>
southsouthwest of
<collectingCountry id="52A885BE1147FFB62056FAB1FE14D9E7" box="[299,402,1390,1415]" name="Bermuda" pageId="6" pageNumber="73">Bermuda</collectingCountry>
(31˚5631.86”
<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>
, 65˚0925.22”
<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>
),
<collectingCounty id="C361BDA21147FFB62248FAB1FBCCD9E7" box="[821,1098,1390,1415]" pageId="6" pageNumber="73">western Atlantic Ocean</collectingCounty>
,
<date id="5E01E3EE1147FFB62521FAB1FB51D9E7" box="[1116,1239,1390,1415]" pageId="6" pageNumber="73" value="2016-09-26">
<collectingDate id="4E451A061147FFB62521FAB1FB51D9E7" box="[1116,1239,1390,1415]" pageId="6" pageNumber="73" value="2016-09-26">26.ix.2016</collectingDate>
</date>
, depth
<quantity id="ED4768CB1147FFB62449FAB1FA04D9E7" box="[1332,1410,1390,1415]" metricMagnitude="2" metricUnit="m" metricValue="1.78" pageId="6" pageNumber="73" unit="m" value="178.0">
<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>
</quantity>
by submersible, leg.
<collectionCode id="4CAE5DEB1147FFB62033FA4DFEE7D9CB" box="[334,353,1426,1451]" country="Denmark" name="University of Copenhagen" pageId="6" pageNumber="73" type="Herbarium">C</collectionCode>
.
<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>
.
<collectorName id="874AA0F81147FFB620F0FA4DFE7BD9CB" box="[397,509,1426,1451]" pageId="6" pageNumber="73">Schneider</collectorName>
coll. no. 162313.
</materialsCitation>
</paragraph>
<paragraph id="2A00C52E1147FFB621C0FA6AFBF7D9AE" blockId="6.[136,1452,1355,2084]" box="[189,1137,1461,1486]" pageId="6" pageNumber="73">
<emphasis id="18CB193C1147FFB621C0FA6AFE88D9AE" box="[189,270,1461,1486]" italics="true" pageId="6" pageNumber="73">
<typeStatus id="F5047B8C1147FFB621C0FA6AFE88D9AE" box="[189,270,1461,1486]" pageId="6" pageNumber="73" type="isotype">Isotype</typeStatus>
</emphasis>
:
<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>
1210812. Fragment removed from
<typeStatus id="F5047B8C1147FFB6238BFA6AFCDED9AE" box="[758,856,1461,1486]" pageId="6" pageNumber="73" type="holotype">holotype</typeStatus>
(see
<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>
Art. 8.3 Ex. 8).
</paragraph>
<paragraph id="2A00C52E1147FFB621C0FA07FAA5D991" blockId="6.[136,1452,1355,2084]" box="[189,1315,1496,1521]" pageId="6" pageNumber="73">
<emphasis id="18CB193C1147FFB621C0FA07FEB3D991" box="[189,309,1496,1521]" italics="true" pageId="6" pageNumber="73">Etymology</emphasis>
: 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>
: Thallus non-geniculate, forming a nucleated rhodolith with a thin crust (120150 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 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" pageId="6" pageNumber="73">Figs 24</figureCitation>
), 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 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" pageId="6" pageNumber="73">Figs 45</figureCitation>
). Hypothallial cells rectangular in shape, 1419 μm long x 58 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 (
<figureCitation id="B284D9AB1147FFB62219F974FC21DAA4" box="[868,935,1707,1732]" captionStart="FIGURES 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" pageId="6" pageNumber="73">Fig. 6</figureCitation>
); secondary pit connections not observed. The upper perithallium was comprised of layers of wide, flattened cells, 3.15.1 μm long x 10.616.4 μm wide (
<figureCitation id="B284D9AB1147FFB62444F911FA18DA87" box="[1337,1438,1742,1767]" captionStart="FIGURES 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" pageId="6" pageNumber="73">Figs 78</figureCitation>
). Meristematic cells also appeared wide and flattened, 2.56.1 μm long x 10.517.8 μm wide (
<figureCitation id="B284D9AB1147FFB625D6F92DFA94DB6B" box="[1195,1298,1778,1803]" captionStart="FIGURES 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" pageId="6" pageNumber="73">Figs 78</figureCitation>
). Epithallium (
<figureCitation id="B284D9AB1147FFB621EDF8CAFF71DB4E" box="[144,247,1813,1838]" captionStart="FIGURES 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" pageId="6" pageNumber="73">Figs 78</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, 1.22.0 μm long x 4.87.0 μm wide (n=7) (
<figureCitation id="B284D9AB1147FFB6241DF8E7FA19DB31" box="[1376,1439,1848,1873]" captionStart="FIGURES 28" captionStartId="5.[136,243,1841,1862]" captionTargetBox="[215,1372,198,1816]" captionTargetId="figure-14@5.[215,1372,190,1816]" captionTargetPageId="5" captionText="FIGURES 28. 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." figureDoi="http://doi.org/10.5281/zenodo.13725905" httpUri="https://zenodo.org/record/13725905/files/figure.png" 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 1014 rosette cells (
<figureCitation id="B284D9AB1147FFB62279F8A1FCFFDBF7" box="[772,889,1918,1943]" captionStart="FIGURES 912" captionStartId="6.[136,243,1109,1130]" captionTargetBox="[151,1436,186,1086]" captionTargetId="figure-15@6.[151,1436,175,1086]" captionTargetPageId="6" captionText="FIGURES 912. 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." figureDoi="http://doi.org/10.5281/zenodo.13725907" httpUri="https://zenodo.org/record/13725907/files/figure.png" pageId="6" pageNumber="73">Figs 912</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 912" captionStartId="6.[136,243,1109,1130]" captionTargetBox="[151,1436,186,1086]" captionTargetId="figure-15@6.[151,1436,175,1086]" captionTargetPageId="6" captionText="FIGURES 912. 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." figureDoi="http://doi.org/10.5281/zenodo.13725907" httpUri="https://zenodo.org/record/13725907/files/figure.png" 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>
:
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<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>
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>
).
</materialsCitation>
</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>