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<document ID-DOI="10.5252/geodiversitas2021v43a11" ID-GBIF-Dataset="fc56a00d-cf6b-4fda-aa56-d0492e4781cb" ID-ISSN="1638-9395" ID-Zenodo-Dep="4891107" ID-ZooBank="urn:lsid:zoobank.org:pub:07D1F5A8-98E2-40F1-A716-D25CB975EA4C" checkinTime="1622490877458" checkinUser="felipe" docAuthor="Steurbaut, Etienne &amp; Nolf, Dirk" docDate="2021" docId="1D2F9F2B9A3CFFC8FEF0FCCFDB18BE71" docLanguage="en" docName="Geodiversitas.43.11.311-363.pdf" docOrigin="Geodiversitas 43 (11)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.3:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="3" docTitle="Nannoturba joceliniae Steurbaut &amp; Nolf, 2021, n. sp." docType="treatment" docUuid="86C68780-D532-4C0E-9AB7-8C5749A5D19A" docUuidSource="ZooBank" docVersion="5" lastPageNumber="354" masterDocId="E116E7539A11FFE5FFDBFFFADF3DBA1F" masterDocTitle="The Mont-des-Récollets section (N France): a key site for the Ypresian-Lutetian transition at mid-latitudes - reassessment of the boundary criterion for the base- Lutetian GSSP" masterLastPageNumber="363" masterPageNumber="311" pageNumber="354" updateTime="1632098410930" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>The Mont-des-Récollets section (N France): a key site for the Ypresian-Lutetian transition at mid-latitudes - reassessment of the boundary criterion for the base- Lutetian GSSP</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Steurbaut, Etienne</mods:namePart>
<mods:affiliation>Royal Belgian Institute of Natural Sciences, OD Earth and History of Life, Vautierstraat 29, B- 1000 Brussel (Belgium) and Department of Earth, and Environmental Sciences, KU Leuven, Celestijnenlaan 200 E, B- 3001 Leuven (Belgium)</mods:affiliation>
<mods:nameIdentifier type="email">etienne.steurbaut@naturalsciences.be</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nolf, Dirk</mods:namePart>
<mods:affiliation>Royal Belgian Institute of Natural Sciences, OD Earth and History of Life, Vautierstraat 29, B- 1000 Brussel (Belgium)</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Geodiversitas</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-05-25</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>43</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>11</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>311</mods:start>
<mods:end>363</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5252/geodiversitas2021v43a11</mods:identifier>
<mods:identifier type="GBIF-Dataset">fc56a00d-cf6b-4fda-aa56-d0492e4781cb</mods:identifier>
<mods:identifier type="ISSN">1638-9395</mods:identifier>
<mods:identifier type="Zenodo-Dep">4891107</mods:identifier>
<mods:identifier type="ZooBank">urn:lsid:zoobank.org:pub:07D1F5A8-98E2-40F1-A716-D25CB975EA4C</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.4891234" ID-GBIF-Taxon="182482760" ID-Zenodo-Dep="4891234" LSID="urn:lsid:zoobank.org:act:86C68780-D532-4C0E-9AB7-8C5749A5D19A" httpUri="http://treatment.plazi.org/id/1D2F9F2B9A3CFFC8FEF0FCCFDB18BE71" lastPageNumber="354" pageId="45" pageNumber="354">
<subSubSection box="[299,609,821,848]" pageId="45" pageNumber="354" type="nomenclature">
<paragraph blockId="45.[299,609,821,848]" box="[299,609,821,848]" pageId="45" pageNumber="354">
<heading box="[299,609,821,848]" centered="true" fontSize="11" level="2" pageId="45" pageNumber="354" reason="2">
<taxonomicName box="[299,543,821,848]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="joceliniae" status="n. sp.">
<emphasis bold="true" box="[299,543,821,848]" italics="true" pageId="45" pageNumber="354">Nannoturba joceliniae</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[550,609,822,848]" pageId="45" pageNumber="354" rank="species">n. sp.</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="description">
<paragraph blockId="45.[384,524,853,880]" box="[384,524,853,880]" pageId="45" pageNumber="354">
(
<figureCitation box="[393,469,853,879]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="45" pageNumber="354">Fig. 19</figureCitation>
D-F)
</paragraph>
<paragraph blockId="45.[132,775,919,936]" box="[132,775,919,936]" pageId="45" pageNumber="354">
<uri box="[132,775,919,936]" pageId="45" pageNumber="354">
urn:lsid:zoobank.org:act:
<uuid box="[350,775,919,936]" pageId="45" pageNumber="354">86C68780-D532-4C0E-9AB7-8C5749A5D19A</uuid>
</uri>
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="materials_examined">
<paragraph blockId="45.[132,775,985,1035]" pageId="45" pageNumber="354">
<materialsCitation ID-GBIF-Occurrence="3125291313" collectionCode="IRSNB, RBINS" pageId="45" pageNumber="354" specimenCount="1" typeStatus="holotype">
<typeStatus box="[132,239,985,1008]" pageId="45" pageNumber="354">HOLOTYPE</typeStatus>
. —
<figureCitation box="[284,374,985,1009]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="45" pageNumber="354">Fig. 19D</figureCitation>
(
<collectionCode box="[387,461,985,1009]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="45" pageNumber="354">IRSNB</collectionCode>
b7123) (negatives stored in the collections of the
<collectionCode box="[306,383,1011,1035]" country="Belgium" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35271" lsid="urn:lsid:biocol.org:col:35271" name="Royal Belgian Institute of Natural Sciences" pageId="45" pageNumber="354" type="Museum">RBINS</collectionCode>
).
</materialsCitation>
</paragraph>
<paragraph blockId="45.[132,776,1059,1189]" pageId="45" pageNumber="354">
<materialsCitation ID-GBIF-Occurrence="3125291301" pageId="45" pageNumber="354">
<typeStatus box="[132,236,1059,1082]" pageId="45" pageNumber="354">PARATYPES</typeStatus>
. — 2 figured specimens from the Mont-des-Récollets (lmax =
<quantity box="[219,310,1085,1109]" metricMagnitude="-2" metricUnit="m" metricValue="1.76" pageId="45" pageNumber="354" unit="mm" value="17.6">17.6 µm</quantity>
): 1 from the sample that yielded the
<typeStatus box="[689,776,1085,1109]" pageId="45" pageNumber="354">holotype</typeStatus>
(Unit B4, sample
<quantity box="[318,419,1111,1136]" metricMagnitude="2" metricUnit="m" metricValue="1.2285" pageId="45" pageNumber="354" unit="m" value="122.85">122.85 m</quantity>
) (
<figureCitation box="[442,529,1112,1136]" captionStart="FIG" captionStartId="42.[132,143,1758,1775]" captionTargetBox="[227,1362,215,1676]" captionTargetId="figure-29@42.[225,795,763,1314]" captionTargetPageId="42" captionText="FIG. 20. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium.Pars 3: A-G, Blackites praeinflatus n. sp.; A, Mont-des-Récollets, 122.26-122.21 m, holotype, l = 23.0 µm (IRSNB b7141); B, paratype, Mont-des-Récollets, 122.16 m, paratype, l = 22.5 µm (IRSNB b7142); C, Mont-des-Récollets, 122.26-122.21 m, paratype, l = 24.0 µm (IRSNB b7143); D, Zaventem, sample 17, paratype, l = 24.0 µm (IRSNB b7144); E, Mont-des-Récollets,122.26-122.21 m, paratype,l = 29.0 µm (IRSNB b7145); F, G, Vossem, otolith sample Nolf, 1974, paratypes (IRSNB b7146, b7147); F, l = 23.05 µm; G, l = 15.2 µm;H-K, Blackites inflatus (Bramlette &amp; Sullivan, 1961);H, Isnes,sample 8, l = 17.5 µm (IRSNB b7148);I, Gobertange,sample Go5, l = 28 µm (IRSNB b7149); J, Isnes, sample 8, l = 18 µm (IRSNB b7150); K, Gobertange, sample Go5, l = 26 µm (IRSNB b7151); L-M, Blackites aff. gladius (Locker, 1967), Isnes, sample 8 (IRSNB b7152, b7153); L, l = 10.46 µm; M, l = 11.76 µm; N-Q, Sphenolithus quadricornutus n. sp.; N, Mont-des-Récollets, 126.50 m, holotype, htot = 9 µm, hpc = hle = 2 µm (IRSNB b7154); O, Balegem, level 6, paratype, hpc + hle = 4 µm (IRSNB b7155); P, Mont-des-Récollets 126.50 m, paratype,htot = 6 µm, hpp + hle = 3 µm (IRSNB b7156); Q, Mont-des-Récollets, 122.85 m, paratype, htot = 9 µm, hpc + hle = 3 µm (IRSNB b7157); R, Sphenolithus perpendicularis Shamrock, 2010, Balegem, level 6, h = 5 µm (IRSNB b7158); S, Trochastrites hohnensis (Martini, 1958). Mont-des-Récollets, 122.85 m, wm = 12 µm (IRSNB b7159); T-W, Trochastrites pyramidalis n. sp.; T, Oedelem BH, 5.50 m, paratype, wm = 10 µm (IRSNB b7160); U, Mont-des-Récollets,122.16 m, holotype, wm = 12 µm (IRSNB b7161); V, Oedelem BH,5.50 m, paratype,wm = 13 µm (IRSNB b7162); W, Vlakte van de Raan BH,80.27 m, paratype, wm = 12 µm (IRSNB b7163)." figureDoi="http://doi.org/10.5281/zenodo.4891144" httpUri="https://zenodo.org/record/4891144/files/figure.png" pageId="45" pageNumber="354">Fig. 20F</figureCitation>
) (
<collectionCode box="[551,626,1112,1136]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="45" pageNumber="354">IRSNB</collectionCode>
b7125) and 1 from the base of the Lede Sand Formation (
<quantity box="[564,663,1138,1162]" metricMagnitude="2" metricUnit="m" metricValue="1.2349999999999999" pageId="45" pageNumber="354" unit="m" value="123.5">123.50 m</quantity>
) (
<figureCitation box="[683,768,1138,1162]" captionStart="FIG" captionStartId="42.[132,143,1758,1775]" captionTargetBox="[227,1362,215,1676]" captionTargetId="figure-29@42.[225,795,763,1314]" captionTargetPageId="42" captionText="FIG. 20. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium.Pars 3: A-G, Blackites praeinflatus n. sp.; A, Mont-des-Récollets, 122.26-122.21 m, holotype, l = 23.0 µm (IRSNB b7141); B, paratype, Mont-des-Récollets, 122.16 m, paratype, l = 22.5 µm (IRSNB b7142); C, Mont-des-Récollets, 122.26-122.21 m, paratype, l = 24.0 µm (IRSNB b7143); D, Zaventem, sample 17, paratype, l = 24.0 µm (IRSNB b7144); E, Mont-des-Récollets,122.26-122.21 m, paratype,l = 29.0 µm (IRSNB b7145); F, G, Vossem, otolith sample Nolf, 1974, paratypes (IRSNB b7146, b7147); F, l = 23.05 µm; G, l = 15.2 µm;H-K, Blackites inflatus (Bramlette &amp; Sullivan, 1961);H, Isnes,sample 8, l = 17.5 µm (IRSNB b7148);I, Gobertange,sample Go5, l = 28 µm (IRSNB b7149); J, Isnes, sample 8, l = 18 µm (IRSNB b7150); K, Gobertange, sample Go5, l = 26 µm (IRSNB b7151); L-M, Blackites aff. gladius (Locker, 1967), Isnes, sample 8 (IRSNB b7152, b7153); L, l = 10.46 µm; M, l = 11.76 µm; N-Q, Sphenolithus quadricornutus n. sp.; N, Mont-des-Récollets, 126.50 m, holotype, htot = 9 µm, hpc = hle = 2 µm (IRSNB b7154); O, Balegem, level 6, paratype, hpc + hle = 4 µm (IRSNB b7155); P, Mont-des-Récollets 126.50 m, paratype,htot = 6 µm, hpp + hle = 3 µm (IRSNB b7156); Q, Mont-des-Récollets, 122.85 m, paratype, htot = 9 µm, hpc + hle = 3 µm (IRSNB b7157); R, Sphenolithus perpendicularis Shamrock, 2010, Balegem, level 6, h = 5 µm (IRSNB b7158); S, Trochastrites hohnensis (Martini, 1958). Mont-des-Récollets, 122.85 m, wm = 12 µm (IRSNB b7159); T-W, Trochastrites pyramidalis n. sp.; T, Oedelem BH, 5.50 m, paratype, wm = 10 µm (IRSNB b7160); U, Mont-des-Récollets,122.16 m, holotype, wm = 12 µm (IRSNB b7161); V, Oedelem BH,5.50 m, paratype,wm = 13 µm (IRSNB b7162); W, Vlakte van de Raan BH,80.27 m, paratype, wm = 12 µm (IRSNB b7163)." figureDoi="http://doi.org/10.5281/zenodo.4891144" httpUri="https://zenodo.org/record/4891144/files/figure.png" pageId="45" pageNumber="354">Fig. 20E</figureCitation>
) (
<collectionCode box="[139,213,1165,1189]" country="Belgium" httpUri="http://grbio.org/cool/c7r2-61q8" name="Institut Royal des Sciences Naturelles de Belgique" pageId="45" pageNumber="354">IRSNB</collectionCode>
b7124).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="diagnosis">
<paragraph blockId="45.[132,775,1212,1263]" pageId="45" pageNumber="354">
DIAGNOSIS.
<emphasis box="[253,278,1213,1236]" italics="true" pageId="45" pageNumber="354">—</emphasis>
Large, irregular network of calcite laths, joining at the centre in a central protruding x- shaped wedge.
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="etymology">
<paragraph blockId="45.[132,775,1286,1363]" pageId="45" pageNumber="354">DERIVATIO NOMINIS. — The name is a combination of the Christian names Joachim and Celine, introduced to commemorate and celebrate the wedding day of these two lovely persons.</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="materials_examined">
<paragraph blockId="45.[130,774,1387,1437]" pageId="45" pageNumber="354">
<materialsCitation ID-GBIF-Occurrence="3125291322" collectionCode="LOCUS, TYPICUS" collectorName="Grande Carriere', N" country="France" location="Mont-des-Recollets" pageId="45" pageNumber="354" specimenCount="1">
<collectionCode box="[132,275,1387,1410]" pageId="45" pageNumber="354">LOCUS TYPICUS</collectionCode>
.
<emphasis box="[286,311,1388,1411]" italics="true" pageId="45" pageNumber="354">—</emphasis>
<location LSID="urn:lsid:plazi:treatment:1D2F9F2B9A3CFFC8FEF0FCCFDB18BE71:905978E69A3CFFC8FEE2FA91DEC9BF9C" box="[313,500,1387,1411]" country="France" name="Mont-des-Recollets" pageId="45" pageNumber="354">Mont-des-Récollets</location>
, ‘
<collectorName box="[511,700,1387,1411]" pageId="45" pageNumber="354">Grande Carrière’, N</collectorName>
<collectingCountry box="[704,770,1387,1410]" name="France" pageId="45" pageNumber="354">France</collectingCountry>
;
<geoCoordinate box="[130,284,1413,1437]" degrees="50" direction="north" minutes="48" orientation="latitude" pageId="45" pageNumber="354" precision="1" seconds="02.74" value="50.800762">50°48’02.74”N</geoCoordinate>
,
<geoCoordinate box="[294,428,1413,1437]" degrees="2" direction="east" minutes="30" orientation="longitude" pageId="45" pageNumber="354" precision="1" seconds="23.06" value="2.5064056">2°30’23.06”E</geoCoordinate>
.
</materialsCitation>
</paragraph>
<paragraph blockId="45.[132,775,1461,1511]" pageId="45" pageNumber="354">
STRATUM TYPICUM.
<emphasis box="[331,356,1462,1485]" italics="true" pageId="45" pageNumber="354">—</emphasis>
<materialsCitation ID-GBIF-Occurrence="3125291336" pageId="45" pageNumber="354">
<collectingRegion box="[364,433,1461,1485]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="45" pageNumber="354">Brussel</collectingRegion>
Sand Formation, Unit B4 (sample
<quantity box="[133,232,1487,1511]" metricMagnitude="2" metricUnit="m" metricValue="1.2285" pageId="45" pageNumber="354" unit="m" value="122.85">122.85 m</quantity>
); upper part of NP14.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="description">
<paragraph blockId="45.[132,774,1535,1586]" pageId="45" pageNumber="354">
DIMENSIONS. — Height =
<quantity box="[396,559,1535,1559]" metricMagnitude="-2" metricUnit="m" metricValue="1.7200000000000002" metricValueMax="1.7600000000000002" metricValueMin="1.6800000000000002" pageId="45" pageNumber="354" unit="mm" value="17.2" valueMax="17.6" valueMin="16.8">16.8 to 17.6 µm</quantity>
; width = 15.6 to
<quantity metricMagnitude="-2" metricUnit="m" metricValue="1.46" pageId="45" pageNumber="354" unit="mm" value="14.6">14.6 µm</quantity>
(
<typeStatus box="[179,269,1561,1585]" pageId="45" pageNumber="354">holotype</typeStatus>
: h =
<quantity box="[317,402,1561,1586]" metricMagnitude="-2" metricUnit="m" metricValue="1.68" pageId="45" pageNumber="354" unit="mm" value="16.8">16.8 µm</quantity>
, w =
<quantity box="[455,542,1561,1586]" metricMagnitude="-2" metricUnit="m" metricValue="1.52" pageId="45" pageNumber="354" unit="mm" value="15.2">15.2 µm</quantity>
).
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="distribution">
<paragraph blockId="45.[131,777,1609,1871]" pageId="45" pageNumber="354">
DISTRIBUTION. — At the Mont-des-Récollects this species is consistently present from the upper part of the
<collectingRegion box="[544,613,1635,1659]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="45" pageNumber="354">Brussel</collectingRegion>
Sand Formation (Unit B4), and ranges through the Lede Sand Formation up to the base of the Wemmel Sand Member (upper NP14 to lower NP15). However, there are earlier records from the Oedelem borehole (
<quantity box="[141,225,1741,1765]" metricMagnitude="1" metricUnit="m" metricValue="1.35" pageId="45" pageNumber="354" unit="m" value="13.5">13.50 m</quantity>
depth, middle of Oedelem Sand Member), assignable to the extreme top of NP13, and from the Mont-des-Récollets (Unit B2) and the Nederokkerzeel and Vossem outcrops (upper Unit B3 of the
<collectingRegion box="[195,264,1821,1845]" country="Belgium" name="Region de Bruxelles-Capitale" pageId="45" pageNumber="354">Brussel</collectingRegion>
Sand Formation), all assignable to the lower middle part of NP 14.
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="description">
<paragraph blockId="45.[131,776,1906,2028]" box="[132,277,1906,1932]" pageId="45" pageNumber="354">DESCRIPTION</paragraph>
<paragraph blockId="45.[131,776,1906,2028]" lastBlockId="45.[811,1457,215,369]" pageId="45" pageNumber="354">
This taxon is composed of an irregular complex network of several long calcite laths (up to 7), meeting at different angles in the centre of a more or less cubic structure. The dimensions are highly variable, as the different laths are often broken off. The longest diagonal reaches up to
<quantity box="[1202,1299,247,274]" metricMagnitude="-2" metricUnit="m" metricValue="1.76" pageId="45" pageNumber="354" unit="mm" value="17.6">17.6 µm</quantity>
, the second is generally slightly shorter. The centre is marked by an x-shaped protruding wedge. All calcite laths are strongly birefringent in cross-polarized light.
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="354" type="discussion">
<paragraph blockId="45.[811,1457,407,1134]" box="[813,942,407,433]" pageId="45" pageNumber="354">DISCUSSION</paragraph>
<paragraph blockId="45.[811,1457,407,1134]" pageId="45" pageNumber="354">
Similar lathlike networks with central X-shaped to diamond-shaped wedges were described from upper Ypresian deposits of the southern North Sea Basin (
<bibRefCitation author="STEURBAUT E." pageId="45" pageNumber="354" pagination="247 - 277" refId="ref43706" refString="STEURBAUT E. 2011. - New calcareous nannofossil taxa from the Ypresian (Early Eocene) of the North Sea Basin and the Turan Platform in West Kazakhstan. Bulletin de l'Institut royal des Sciences naturelles de Belgique, Sciences de la Terre 81: 247 - 277." type="journal article" year="2011">Steurbaut 2011</bibRefCitation>
).
<taxonomicName box="[895,1136,534,560]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="joceliniae" status="n. sp.">
<emphasis box="[895,1136,534,560]" italics="true" pageId="45" pageNumber="354">Nannoturba joceliniae</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1147,1208,535,561]" pageId="45" pageNumber="354" rank="species">n. sp.</taxonomicNameLabel>
differs from all previously described
<taxonomicName box="[987,1202,566,592]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="undetermined">
<emphasis box="[987,1119,566,592]" italics="true" pageId="45" pageNumber="354">Nannoturba</emphasis>
species
</taxonomicName>
(
<emphasis box="[1219,1455,566,592]" italics="true" pageId="45" pageNumber="354">
<taxonomicName authorityName="Muller" authorityYear="1979" box="[1219,1334,566,592]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="robusta">N. robusta</taxonomicName>
,
<taxonomicName box="[1345,1455,567,592]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="spinosa">N. spinosa</taxonomicName>
</emphasis>
and
<taxonomicName authorityName="Steurbaut" authorityYear="2011" box="[861,1002,598,624]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="jolotteana">
<emphasis box="[861,1002,598,624]" italics="true" pageId="45" pageNumber="354">N. jolotteana</emphasis>
</taxonomicName>
) by a reduced number (up to 7) of long, almost completely free, irregularly distributed laths, which only meet at the centre in an x-shaped to diamond-shaped wedge. In all others taxa the laths are joined over most of their length with different configurations, according to the species (
<taxonomicName authorityName="Muller" authorityYear="1979" box="[903,1014,757,783]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="robusta">
<emphasis box="[903,1014,757,783]" italics="true" pageId="45" pageNumber="354">N. robusta</emphasis>
</taxonomicName>
with quadrangular disposition and laths meeting at 90°;
<taxonomicName box="[986,1096,790,815]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="spinosa">
<emphasis box="[986,1096,790,815]" italics="true" pageId="45" pageNumber="354">N. spinosa</emphasis>
</taxonomicName>
with triangular disposition with laths meeting at 120°;
<taxonomicName authorityName="Steurbaut" authorityYear="2011" box="[1054,1192,821,847]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="jolotteana">
<emphasis box="[1054,1192,821,847]" italics="true" pageId="45" pageNumber="354">N. jolotteana</emphasis>
</taxonomicName>
(
<figureCitation box="[1209,1304,821,847]" captionStart="FIG" captionStartId="40.[132,143,1758,1775]" captionTargetBox="[227,1361,215,1674]" captionTargetId="figure-31@40.[793,1362,761,1311]" captionTargetPageId="40" captionText="FIG. 19. — New or less known calcareous nannofossil taxa from the Eocene of the Mont-des-Récollets and other localities in Belgium. Pars 2: A, Nannoturba jolotteana Steurbaut, 2011, Mont-des-Récollets, 104.35 m, d = 15.2 µm (IRSNB b7120); B, C, Luminocanthus eolutetiensis n. gen., n. sp.; B, Vlakte van de Raan BH, 81.45 m depth, holotype, d = 9 µm (IRSNB b7121); C, Vlakte van de Raan BH, 79.95 m depth, paratype, d = 9 µm (IRSNB b7122); D-F, Nannoturba joceliniae n. sp., Mont-des-Récollets; D, 122.85 m, holotype, wm = 17 µm (IRSNB b7123); E, 123.50 m, paratype, wm = 13 µm (IRSNB b7124); F, 122.85 m, paratype, wm = 13 µm (IRSNB b7125); G-J, Luminocanthus plenilutetiensis n. gen., n. sp.; G, Mont-des-Récollets, 122.26-122.21 m, holotype, d = 8.4 µm (IRSNB b7126);H, Vossem, otolith sample Nolf 1974, paratype, d = 5.2 µm (IRSNB b7127); I, Prémontré, sample 12, paratype, d = 9.6 µm (IRSNB b7128); J, Knokke BH, 71.95 m depth, paratype, d = 6.7 µm (IRSNB b7129); K-N, Toweius brusselensis Steurbaut, 2011; K, Knokke BH, 97.50 m, paratype, d = 8.4 µm (IRSNB b6403); L, Mont-des-Récollets 122.85 m, l = 6 µm (IRSNB b7130); M, N, Vossem,otolith sample Nolf 1974, l = 4.6 µm (IRSNB b7131, b7132); O, Cribrocentrum sp. Isnes, sample 8, l = 5.9 µm (IRSNB b7133); P, Sphenolithus spiniger Bukry, 1971, Vossem,otolith sample Nolf 1974, h = 6.2 µm (IRSNB b7134); Q, Sphenolithus radians Deflandre in Grassé, 1952, Vossem, otolith sample Nolf 1974, h = 4.2 µm (IRSNB b7135); R, Sphenolithus moriformis (Bronnimann &amp; Stradner, 1960), Vossem, otolith sample Nolf 1974, h = 3.3 µm (IRSNB b7136); S-V, Pemma spp.; S, Mont-des-Récollets, 115.50 m, d = 9 µm (IRSNB b7137); T-V, Vossem, otolith sample Nolf 1974 (IRSNB b7138, b7139, b7140); T, d = 8.3 µm; U, d = 8.4 µm; V, d = 6.5 µm." figureDoi="http://doi.org/10.5281/zenodo.4891142" httpUri="https://zenodo.org/record/4891142/files/figure.png" pageId="45" pageNumber="354">Fig. 19A</figureCitation>
) resembling a flattened octahedron, with rhombic cross-section). It differs from specimens described as
<taxonomicName box="[1129,1346,885,911]" class="Coccolithophyceae" family="Zygodiscaceae" genus="Nannotetrina" higherTaxonomySource="GBIF" kingdom="Chromista" order="Zygodiscales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="nitida">
<emphasis box="[1129,1346,885,911]" italics="true" pageId="45" pageNumber="354">Nannotetrina nitida</emphasis>
</taxonomicName>
by
<bibRefCitation author="AUBRY M. - P." pageId="45" pageNumber="354" pagination="1 - 317" refId="ref36607" refString="AUBRY M. - P. 1983. - Biostratigraphie du Paleogene epicontinental de l'Europe du Nord-Ouest. Etude fondee sur les nannofossiles calcaires. Documents des Laboratoires de Geologie de Lyon 89: 1 - 317." type="journal article" year="1983">Aubry (1983</bibRefCitation>
: pl. 5, figs 13-14), as well as from the latter’s
<typeStatus box="[1359,1455,917,943]" pageId="45" pageNumber="354">holotype</typeStatus>
(originally described as
<taxonomicName authorityName="Martini" authorityYear="1961" box="[1067,1262,949,975]" class="Coccolithophyceae" family="Isochrysidaceae" genus="Tetralithus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Isochrysidales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="nitidus">
<emphasis box="[1067,1262,949,975]" italics="true" pageId="45" pageNumber="354">Tetralithus nitidus</emphasis>
</taxonomicName>
by
<bibRefCitation author="MARTINI E." box="[1298,1447,949,975]" pageId="45" pageNumber="354" pagination="1 - 41" refId="ref41642" refString="MARTINI E. 1961. - Nannoplankton aus dem Tertiar und der obersten Kreide von SW-Frankreich. Senckenbergiana lethaea 42 (1 / 2): 1 - 41." type="journal article" year="1961">Martini 1961</bibRefCitation>
: pl. 1, fig. 5, pl. 4, fig. 41), by its large number of different sized laths. In fact, the specimens figured by Aubry also seem to belong to the genus
<taxonomicName authorityName="Muller" authorityYear="1979" box="[1152,1287,1044,1070]" class="Prymnesiophyceae" family="Coccolithaceae" genus="Nannoturba" higherTaxonomySource="GBIF" kingdom="Chromista" order="Coccosphaerales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="genus">
<emphasis box="[1152,1287,1044,1070]" italics="true" pageId="45" pageNumber="354">Nannoturba</emphasis>
</taxonomicName>
, but probably represent another new species, different from
<taxonomicName authority="Martini, 1961" authorityName="Martini" authorityYear="1961" class="Coccolithophyceae" family="Isochrysidaceae" genus="Tetralithus" higherTaxonomySource="GBIF" kingdom="Chromista" order="Isochrysidales" pageId="45" pageNumber="354" phylum="Haptophyta" rank="species" species="nitidus">
<emphasis italics="true" pageId="45" pageNumber="354">Tetralithus nitidus</emphasis>
<bibRefCitation author="MARTINI E." box="[895,1058,1108,1134]" pageId="45" pageNumber="354" pagination="1 - 41" refId="ref41642" refString="MARTINI E. 1961. - Nannoplankton aus dem Tertiar und der obersten Kreide von SW-Frankreich. Senckenbergiana lethaea 42 (1 / 2): 1 - 41." type="journal article" year="1961">Martini, 1961</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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