treatments-xml/data/03/82/61/03826143FF98817AFF34FC621519FB6A.xml

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<mods:title id="386FDF46B5FDBB94D4AD12F91CFC6025">Benthic marine diatom flora of Guam: new records, redescription of Psammodictyon pustulatum n. comb., n. stat., and three new species (Colliculoamphora gabgabensis, Lauderia excentrica, and Rhoiconeis pagoensis)</mods:title>
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<mods:namePart id="B7CC112DC7F8A43C4A7F6ABCA2EA5B96">Lobban, Christopher S.</mods:namePart>
<mods:affiliation id="CC4C4E373AABEBBEDE3F7EC38D21B1D0">Division of Natural Sciences, University of Guam, Mangilao, GU 83823, USA e-mail: clobban @ guam. net</mods:affiliation>
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<treatment id="03826143FF98817AFF34FC621519FB6A" ID-DOI="http://doi.org/10.5281/zenodo.12575987" ID-GBIF-Taxon="233814339" ID-Zenodo-Dep="12575987" LSID="urn:lsid:plazi:treatment:03826143FF98817AFF34FC621519FB6A" httpUri="http://treatment.plazi.org/id/03826143FF98817AFF34FC621519FB6A" lastPageNumber="4" pageId="3" pageNumber="4">
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<paragraph id="8B94D055FF98817AFF34FC621114F92A" blockId="3.[232,1404,1020,1621]" box="[232,1396,1020,1045]" pageId="3" pageNumber="4">
<heading id="D0DC6739FF98817AFF34FC621114F92A" box="[232,1396,1020,1045]" centered="true" fontSize="11" level="2" pageId="3" pageNumber="4" reason="2">
<taxonomicName id="4C2BABD6FF98817AFF34FC621636F92A" authority="Meister" authorityName="Meister" authorityYear="1934" box="[232,598,1020,1045]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="subtilissima">
<emphasis id="B95F0C47FF98817AFF34FC621596F92A" box="[232,502,1020,1045]" italics="true" pageId="3" pageNumber="4">Cocconeis subtilissima</emphasis>
Meister
</taxonomicName>
<figureCitation id="1310CCD0FF98817AFB2DFC621114F92A" box="[1265,1396,1020,1045]" captionStart="Figures 22–40" captionStartId="29.[292,372,821,844]" captionTargetId="figure-14@30.[232,1402,328,1768]" captionTargetPageId="30" captionText="Figures 22–40. Figs 22–26. Cocconeis ornata, two valves at two focal planes each in DIC and external view in SEM (GU44AU-2). Figs 27–32. Cocconeis subtilissima. Figs 27, 28. Frustules in LM (GU44I-2, GU44Z-15) (DIC). Figs 29, 30. RV external and internal with valvocopula (GU44AQ-1). Figs 31, 32. SV external (whole mount, GU44AC-4), showing the alveolae at the fracture (arrow), and internal (GU44AQ-1). Figs 33–40. Colliculoamphora gabgabensis. Fig. 33. Holotype specimen (GU44AK-6) (DIC). Fig. 34. Paratype specimen (GU44I-1) (DIC). Fig. 35. Specimen showing deeper indentation (GU44AK-6). Figs 36–38. External views, showing the eunotid position of the raphe; arrows on Fig. 37 indicate short striae; Fig. 38 shows girdle bands (GU44AK-6, GU44Z-15, GU52Q-10a, respectively) (SEM). Figs 39, 40. Internal views (GU44W- 10, GU44K-6) (SEM). Scale bars: Figs 22–36 = 5 µm, Figs 37, 38 = 2.5 µm, Figs 39, 40 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.12575959" httpUri="https://zenodo.org/record/12575959/files/figure.png" pageId="3" pageNumber="4">Figs 27–32</figureCitation>
</heading>
</paragraph>
<paragraph id="8B94D055FF98817AFF34FB8017EAF967" blockId="3.[232,1404,1020,1621]" pageId="3" pageNumber="4">
Ref. illus.: 
<bibRefCitation id="EFBAADA4FF98817AFEB1FB8016DCF908" author="De Stefano, M. &amp; O. E. Romero" box="[365,700,1054,1079]" pageId="3" pageNumber="4" pagination="1 - 133" refId="ref14425" refString="De Stefano, M. &amp; O. E. Romero. 2005. A survey of alveolate species of the diatom genus Cocconeis (Ehr.) with remarks on the new section Alveolatae. Bibliotheca Diatomologica 52: 1 - 133." type="journal article" year="2005">De Stefano &amp; Romero 2005</bibRefCitation>
, pl. 32, figs 1–9, pl. 33, figs 1–11; 
<bibRefCitation id="EFBAADA4FF98817AFBBDFB80115AF908" author="Suzuki, H. &amp; T. Nagumo &amp; J. Tanaka" box="[1121,1338,1054,1079]" pageId="3" pageNumber="4" pagination="269 - 279" refId="ref17919" refString="Suzuki, H., T. Nagumo &amp; J. Tanaka. 2008. Morphology and taxonomy of Cocconeis subtilissima Meister (Bacillariophyceae) and two closely related taxa from coastal waters of Japan. Journal of Japanese Botany 83: 269 - 279." type="journal article" year="2008">Suzuki et al. 2008</bibRefCitation>
, figs. 1–41; 
<bibRefCitation id="EFBAADA4FF98817AFEEEFBA11630F967" author="Riaux-Gobin, C. &amp; O. E. Romero &amp; P. Compere &amp; A. Y. Al-Handel" box="[306,592,1087,1112]" pageId="3" pageNumber="4" pagination="1 - 234" refId="ref17137" refString="Riaux-Gobin, C., O. E. Romero, P. Compere &amp; A. Y. Al-Handel. 2011. Small-sized Achnanthales (Bacillariophyta) from coral sands off Mascarenes (Western Indian Ocean). Bibliotheca Diatomologica 57: 1 - 234." type="journal article" year="2011">Riaux-Gobin et al. 2011</bibRefCitation>
, pl. 6, figs 3–11, pl. 73, 74
</paragraph>
</subSubSection>
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<paragraph id="8B94D055FF98817AFF34FBFF107BF945" blockId="3.[232,1404,1020,1621]" box="[232,1051,1121,1146]" pageId="3" pageNumber="4">
Samples: 
<emphasis id="B95F0C47FF98817AFEBEFBFF107BF945" bold="true" box="[354,1051,1121,1146]" pageId="3" pageNumber="4">GU44I-2, GU44Z-15, GU44AC-4, GU44AQ-1, GU52P-8</emphasis>
</paragraph>
<paragraph id="8B94D055FF98817AFF34FB1817B1F878" blockId="3.[232,1404,1020,1621]" pageId="3" pageNumber="4">
Dimensions: Length 16–22 µm, width 11–15 µm, striae (SV) 
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10 µm, (
<collectionCode id="ED3A4890FF98817AFBB8FB1810EFF9A0" box="[1124,1167,1158,1183]" country="Italy" name="Collection of Leptospira Strains" pageId="3" pageNumber="4">RV</collectionCode>
) 
<quantity id="4CD37DB0FF98817AFB43FB1810BAF9A0" box="[1183,1242,1158,1183]" metricMagnitude="-1" metricUnit="m" metricValue="8.128" pageId="3" pageNumber="4" unit="in" value="32.0">32 in</quantity>
10 µm Diagnostics: 
<collectionCode id="ED3A4890FF98817AFE54FB3915D0F9FF" box="[392,432,1191,1216]" country="Italy" name="Collection of Leptospira Strains" pageId="3" pageNumber="4">RV</collectionCode>
(
<figureCitation id="1310CCD0FF98817AFE1BFB391639F9FF" box="[455,601,1191,1216]" captionStart="Figures 22–40" captionStartId="29.[292,372,821,844]" captionTargetId="figure-14@30.[232,1402,328,1768]" captionTargetPageId="30" captionText="Figures 22–40. Figs 22–26. Cocconeis ornata, two valves at two focal planes each in DIC and external view in SEM (GU44AU-2). Figs 27–32. Cocconeis subtilissima. Figs 27, 28. Frustules in LM (GU44I-2, GU44Z-15) (DIC). Figs 29, 30. RV external and internal with valvocopula (GU44AQ-1). Figs 31, 32. SV external (whole mount, GU44AC-4), showing the alveolae at the fracture (arrow), and internal (GU44AQ-1). Figs 33–40. Colliculoamphora gabgabensis. Fig. 33. Holotype specimen (GU44AK-6) (DIC). Fig. 34. Paratype specimen (GU44I-1) (DIC). Fig. 35. Specimen showing deeper indentation (GU44AK-6). Figs 36–38. External views, showing the eunotid position of the raphe; arrows on Fig. 37 indicate short striae; Fig. 38 shows girdle bands (GU44AK-6, GU44Z-15, GU52Q-10a, respectively) (SEM). Figs 39, 40. Internal views (GU44W- 10, GU44K-6) (SEM). Scale bars: Figs 22–36 = 5 µm, Figs 37, 38 = 2.5 µm, Figs 39, 40 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.12575959" httpUri="https://zenodo.org/record/12575959/files/figure.png" pageId="3" pageNumber="4">Figs 29, 30</figureCitation>
) with sigmoid raphe branches, a small hyaline area beyond the terminal raphe endings; central area small, asymmetrical; internal central raphe endings deflect past each other and come to a point. SV alveolate (
<figureCitation id="1310CCD0FF98817AFCC8FB7417FDF83C" box="[788,925,1258,1283]" captionStart="Figures 22–40" captionStartId="29.[292,372,821,844]" captionTargetId="figure-14@30.[232,1402,328,1768]" captionTargetPageId="30" captionText="Figures 22–40. Figs 22–26. Cocconeis ornata, two valves at two focal planes each in DIC and external view in SEM (GU44AU-2). Figs 27–32. Cocconeis subtilissima. Figs 27, 28. Frustules in LM (GU44I-2, GU44Z-15) (DIC). Figs 29, 30. RV external and internal with valvocopula (GU44AQ-1). Figs 31, 32. SV external (whole mount, GU44AC-4), showing the alveolae at the fracture (arrow), and internal (GU44AQ-1). Figs 33–40. Colliculoamphora gabgabensis. Fig. 33. Holotype specimen (GU44AK-6) (DIC). Fig. 34. Paratype specimen (GU44I-1) (DIC). Fig. 35. Specimen showing deeper indentation (GU44AK-6). Figs 36–38. External views, showing the eunotid position of the raphe; arrows on Fig. 37 indicate short striae; Fig. 38 shows girdle bands (GU44AK-6, GU44Z-15, GU52Q-10a, respectively) (SEM). Figs 39, 40. Internal views (GU44W- 10, GU44K-6) (SEM). Scale bars: Figs 22–36 = 5 µm, Figs 37, 38 = 2.5 µm, Figs 39, 40 = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.12575959" httpUri="https://zenodo.org/record/12575959/files/figure.png" pageId="3" pageNumber="4">Figs 31, 32</figureCitation>
) with slit-like striae divided by a single longitudinal hyaline line; internally a single row of areolae opens from the inner line of alveoli and the other alveolae open via a ring of areolae around the margin.
</paragraph>
<paragraph id="8B94D055FF98817AFF34FACE1519FB6A" blockId="3.[232,1404,1020,1621]" pageId="3" pageNumber="4">
Comments: 
<bibRefCitation id="EFBAADA4FF98817AFE5CFACE1680F856" author="De Stefano, M. &amp; O. E. Romero" box="[384,736,1360,1385]" pageId="3" pageNumber="4" pagination="1 - 133" refId="ref14425" refString="De Stefano, M. &amp; O. E. Romero. 2005. A survey of alveolate species of the diatom genus Cocconeis (Ehr.) with remarks on the new section Alveolatae. Bibliotheca Diatomologica 52: 1 - 133." type="journal article" year="2005">De Stefano &amp; Romero (2005)</bibRefCitation>
placed this species and others with such alveolate walls (e.g., 
<taxonomicName id="4C2BABD6FF98817AFEF0FAEF1665F8B5" authority="Giffen" authorityName="Giffen" box="[300,517,1393,1418]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="convexa">
<emphasis id="B95F0C47FF98817AFEF0FAEF15D0F8B5" box="[300,432,1393,1418]" italics="true" pageId="3" pageNumber="4">C. convexa</emphasis>
Giffen
</taxonomicName>
and 
<taxonomicName id="4C2BABD6FF98817AFD9DFAEF1724F8B5" authority="Meister" authorityName="Meister" box="[577,836,1393,1418]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="heteroidea">
<emphasis id="B95F0C47FF98817AFD9DFAEF1682F8B5" box="[577,738,1393,1418]" italics="true" pageId="3" pageNumber="4">C. heteroidea</emphasis>
Meister
</taxonomicName>
in our flora) in a new section 
<taxonomicName id="4C2BABD6FF98817AFB6DFAEF114EF8B5" box="[1201,1326,1393,1418]" pageId="3" pageNumber="4" rank="section" section="Alveolatae">
<emphasis id="B95F0C47FF98817AFB6DFAEF114EF8B5" box="[1201,1326,1393,1418]" italics="true" pageId="3" pageNumber="4">Alveolatae</emphasis>
</taxonomicName>
. They also provided tables comparing the alveolate taxa. 
<bibRefCitation id="EFBAADA4FF98817AFC85FA0D10A7F893" author="De Stefano, M. &amp; O. E. Romero" box="[857,1223,1427,1452]" pageId="3" pageNumber="4" pagination="1 - 133" refId="ref14425" refString="De Stefano, M. &amp; O. E. Romero. 2005. A survey of alveolate species of the diatom genus Cocconeis (Ehr.) with remarks on the new section Alveolatae. Bibliotheca Diatomologica 52: 1 - 133." type="journal article" year="2005">De Stefano &amp; Romero (2005)</bibRefCitation>
distinguish 
<taxonomicName id="4C2BABD6FF98817AFABCFA0D1514F8F1" authorityName="Meister" authorityYear="1934" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="subtilissima">
<emphasis id="B95F0C47FF98817AFABCFA0D1514F8F1" italics="true" pageId="3" pageNumber="4">C. subtilissima</emphasis>
</taxonomicName>
from several species, especially 
<taxonomicName id="4C2BABD6FF98817AFCD1FA2B1011F8F1" authority="Gregory" authorityName="Gregory" authorityYear="1857" box="[781,1137,1461,1486]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="pseudomarginata">
<emphasis id="B95F0C47FF98817AFCD1FA2B1061F8F1" box="[781,1025,1461,1486]" italics="true" pageId="3" pageNumber="4">C. pseudomarginata</emphasis>
Gregory
</taxonomicName>
, by the denser striae. The 
<collectionCode id="ED3A4890FF98817AFEC2FA481526F8D0" box="[286,326,1494,1519]" country="Italy" name="Collection of Leptospira Strains" pageId="3" pageNumber="4">RV</collectionCode>
of 
<taxonomicName id="4C2BABD6FF98817AFEADFA481641F8D0" authorityName="Meister" authorityYear="1934" box="[369,545,1494,1519]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="subtilissima">
<emphasis id="B95F0C47FF98817AFEADFA481641F8D0" box="[369,545,1494,1519]" italics="true" pageId="3" pageNumber="4">C. subtilissima</emphasis>
</taxonomicName>
is similar to that of 
<taxonomicName id="4C2BABD6FF98817AFCCBFA4817CDF8D0" authorityName="Lange-Bertalot &amp; Metzeltin" authorityYear="1996" box="[791,941,1494,1519]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="krammeri">
<emphasis id="B95F0C47FF98817AFCCBFA4817CDF8D0" box="[791,941,1494,1519]" italics="true" pageId="3" pageNumber="4">C. krammeri</emphasis>
</taxonomicName>
(see especially 
<bibRefCitation id="EFBAADA4FF98817AFBB0FA481116F8D0" author="Witkowski A. &amp; H. Lange-Bertalot &amp; D. Metzeltin" box="[1132,1398,1494,1519]" pageId="3" pageNumber="4" refId="ref18313" refString="Witkowski A., H. Lange-Bertalot &amp; D. Metzeltin. 2000. Diatom Flora of Marine Coasts, I. Gantner Verlag, Ruggell, Germany." type="book" year="2000">Witkowski et al. 2000</bibRefCitation>
, pl. 33, figs 1–4, pl. 42, fig. 34), but the stria density is slightly lower, 23–28 striae in 10 µm; on SV of 
<taxonomicName id="4C2BABD6FF98817AFED5F98415FFFB0C" authorityName="Lange-Bertalot &amp; Metzeltin" authorityYear="1996" box="[265,415,1562,1587]" class="Bacillariophyceae" family="Cocconeidaceae" genus="Cocconeis" higherTaxonomySource="GBIF,CoL" kingdom="Chromista" order="Achnanthales" pageId="3" pageNumber="4" phylum="Ochrophyta" rank="species" species="krammeri">
<emphasis id="B95F0C47FF98817AFED5F98415FFFB0C" box="[265,415,1562,1587]" italics="true" pageId="3" pageNumber="4">C. krammeri</emphasis>
</taxonomicName>
there are 2 longitudinal hyaline lines creating three sets of areolae on each side of the sternum.
</paragraph>
</subSubSection>
</treatment>
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