296 lines
29 KiB
XML
296 lines
29 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/fr.25.82362" ID-Pensoft-Pub="2193-0074-1-213" ID-Pensoft-UUID="459456B3E21956818C00FAA8B4DD7F26" ID-ZooBank="45048AF336F04E93AB9607BE0F9258D9" ModsDocID="2193-0074-25-1-213" checkinTime="1667366235162" checkinUser="pensoft" docAuthor="Feldberg, Kathrin, Schaefer-Verwimp, Alfons, Li, Ya & Renner, Matt A. M." docDate="2022" docId="63802BD00E76510C9DB68BD4753EA9FE" docLanguage="en" docName="FossilRecord 25(1): 213-230" docOrigin="Fossil Record 25 (1)" docPubDate="2022-06-16" docSource="http://dx.doi.org/10.3897/fr.25.82362" docTitle="Radula patrickmuelleri K. Feldberg, Schaef. - Verw. & M. A. M. Renner 2022, sp. nov." docType="treatment" docUuid="2CC0D59C-44E5-4B9B-B81A-5D40606F24DF" docUuidSource="ZooBank" docVersion="1" id="459456B3E21956818C00FAA8B4DD7F26" lastPageNumber="213" masterDocId="459456B3E21956818C00FAA8B4DD7F26" masterDocTitle="Extending the diversity of the bryoflora in Kachin amber (Myanmar), with the description of Radula patrickmuelleri, sp. nov. and R. tanaiensis, sp. nov. (Jungermanniopsida, Porellales, Radulaceae)" masterLastPageNumber="230" masterPageNumber="213" pageNumber="213" updateTime="1667366235162" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Extending the diversity of the bryoflora in Kachin amber (Myanmar), with the description of Radula patrickmuelleri, sp. nov. and R. tanaiensis, sp. nov. (Jungermanniopsida, Porellales, Radulaceae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Feldberg, Kathrin</mods:namePart>
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<mods:affiliation>Department of Geobiology, University of Goettingen, Goldschmidtstrasse 3, 37077 Goettingen, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">kathrin.feldberg@uni-goettingen.de</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Schaefer-Verwimp, Alfons</mods:namePart>
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<mods:affiliation>Mittlere Letten 11, 88634 Herdwangen-Schoenach, Germany</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Li, Ya</mods:namePart>
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<mods:affiliation>Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Renner, Matt A. M.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2286-7257</mods:nameIdentifier>
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<mods:affiliation>Wildland Consultants, 99 Sala Street, Whakarewarewa, Rotorua, New Zealand</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Fossil Record</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-06-16</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>25</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>213</mods:start>
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<mods:end>230</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/fr.25.82362</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/fr.25.82362</mods:identifier>
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<mods:identifier type="Pensoft-Pub">2193-0074-1-213</mods:identifier>
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<mods:identifier type="ZooBank">45048AF336F04E93AB9607BE0F9258D9</mods:identifier>
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<mods:identifier type="Pensoft-UUID">459456B3E21956818C00FAA8B4DD7F26</mods:identifier>
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<treatment LSID="urn:lsid:zoobank.org:act:2CC0D59C-44E5-4B9B-B81A-5D40606F24DF" httpUri="http://treatment.plazi.org/id/63802BD00E76510C9DB68BD4753EA9FE" lastPageNumber="213" pageId="0" pageNumber="213">
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<subSubSection pageId="0" pageNumber="213" type="nomenclature">
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<paragraph pageId="0" pageNumber="213">
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<taxonomicName LSID="http://zoobank.org/2CC0D59C-44E5-4B9B-B81A-5D40606F24DF" authority="K. Feldberg, Schäf. - Verw. & M. A. M. Renner" authorityName="K. Feldberg, Schaef. - Verw. & M. A. M. Renner" authorityYear="2022" class="Jungermanniopsida" family="Radulaceae" genus="Radula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Radula patrickmuelleri" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="patrickmuelleri" status="sp. nov.">
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Radula patrickmuelleri K.Feldberg,
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<normalizedToken originalValue="Schäf">Schaef</normalizedToken>
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.-Verw. & M.A.M.Renner
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</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="213">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="213" type="description">
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<paragraph pageId="0" pageNumber="213">
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">Figs 3</figureCitation>
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula patrickmuelleri sp. nov. and R. cretacea. A-E. R. patrickmuelleri, GZG. BST. 22041 (Mueller BuB 4395), holotype; A. Lobe cells, dorsal; B. Antical leaf margin with gemmae, dorsal; C. Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris); D. Lobe apex with large gemmae, dorsal; E. Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow); F-H. R. cretacea, PB 22484, holotype; F. Gametophyte with large gemmae on the lobe margins, ventral; G, H. Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development." figureDoi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213">, 4A-E</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="213" type="holotype">
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<paragraph pageId="0" pageNumber="213">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="213">
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<emphasis bold="true" pageId="0" pageNumber="213">
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GZG.BST.22041 (
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<normalizedToken originalValue="Müller">Mueller</normalizedToken>
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BuB4395)
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</emphasis>
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, Geoscience Centre (GZG) at the University of
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<normalizedToken originalValue="Göttingen">Goettingen</normalizedToken>
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, Germany.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="213" type="etymology">
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<paragraph pageId="0" pageNumber="213">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="213">
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The specific epithet honors the amber collector Patrick
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<normalizedToken originalValue="Müller">Mueller</normalizedToken>
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(
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<normalizedToken originalValue="Zweibrücken">Zweibruecken</normalizedToken>
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, Germany) who generously supports our research by providing numerous amber fossils for study.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="213" type="locality and horizon">
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<paragraph pageId="0" pageNumber="213">Locality and horizon.</paragraph>
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<paragraph pageId="0" pageNumber="213">Amber mines southwest of the village of Tanai ca. 105 km north of Myitkyina in Kachin State, northern Myanmar, fossil enclosed in upper Albian-lower Cenomanian Kachin amber.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="213" type="diagnosis">
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<paragraph pageId="0" pageNumber="213">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="213">
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Gametophyte with zig-zagged stems and complicate bilobed lateral leaves; dorsal lobe oblong-elliptic with broadly rounded to obtuse apex; ventral lobule small,
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<taxonomicName authorityName="M.-A.Libert" authorityYear="1820" class="Jungermanniopsida" family="Lejeuneaceae" genus="Lejeunea" kingdom="Plantae" lsidName="Lejeunea" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="213">Lejeunea</emphasis>
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</taxonomicName>
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-type, longitudinally inserted, rounded rectangular to ovate with subacute to rounded apex, inner margin not ampliate, not exceeding stem; irregularly shaped gemmae produced on lobe margins.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="213" type="description">
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<paragraph pageId="0" pageNumber="213">Description.</paragraph>
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<paragraph pageId="0" pageNumber="213">
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Unbranched gametophyte fragment ca. 4.84 mm long, yellowish to reddish brown (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">3A-D</figureCitation>
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); main shoot 1.68-2.28 mm wide with leaves. Stem dark reddish brown, distinctly zig-zagged, ca. 60
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide [numbers of cell rows not clearly visible, possibly 4-5]; surface cells elongated, 2-3
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide; ventral and dorsal leaf-free strips ca. 2 cells wide. One rhizoid bundle visible on the lobule of a basal leaf (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">3E</figureCitation>
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), bundle 7.5-10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, rhizoids up to 130
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long. Foliation incubous, lateral leaves alternate, complicate bilobed, divided into large dorsal lobe and smaller ventral
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<taxonomicName authorityName="M.-A.Libert" authorityYear="1820" class="Jungermanniopsida" family="Lejeuneaceae" genus="Lejeunea" kingdom="Plantae" lsidName="Lejeunea" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="213">Lejeunea</emphasis>
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</taxonomicName>
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-type lobule enclosing the ventral leaf surface and forming a sharp postical keel (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">3D-F</figureCitation>
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). Dorsal lobes imbricate, oblong-elliptic, longer than wide, nearly flat, spreading to more erect on upper part of shoot, but not obliquely patent (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">3A-D</figureCitation>
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); margin entire to slightly crenulate due to gemmae production; postical margin slightly emarginated at end of keel, then regularly arched towards apex, apex broadly rounded to obtuse, antical margin regularly arched and nearly parallel to postical margin in the lobe middle, abruptly curved near stem and forming an angle of ca. 90° to the inner margin, inner margin not ampliate, extending onto the dorsal stem surface up to 0.5-1
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<normalizedToken originalValue="×">x</normalizedToken>
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the stem width; lobe 550-600
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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340-420
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, length:width ratio 1.3-1.7:1, length exterior to keel 410-510
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, length of stem insertion ca. 170-190
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<normalizedToken originalValue="µm">µm</normalizedToken>
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[not clearly visible on most leaves]. Cells of lobe margin quadrate to rectangular, 10-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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15-25
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, long axis parallel with leaf margin; medial cells hexagonal, mostly isodiametric to occasionally weakly elongated, 20-35
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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20-30
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide; basal cells of the same size or slightly larger than medial cells, 20-40
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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20-35
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula patrickmuelleri sp. nov. and R. cretacea. A-E. R. patrickmuelleri, GZG. BST. 22041 (Mueller BuB 4395), holotype; A. Lobe cells, dorsal; B. Antical leaf margin with gemmae, dorsal; C. Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris); D. Lobe apex with large gemmae, dorsal; E. Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow); F-H. R. cretacea, PB 22484, holotype; F. Gametophyte with large gemmae on the lobe margins, ventral; G, H. Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development." figureDoi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213">4A, B</figureCitation>
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); cell walls thin, with small, triangular trigones possibly present at cell angles; free exterior wall of marginal cells unthickened. Ventral lobules small in relation to lobe (<0.2
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<normalizedToken originalValue="×">x</normalizedToken>
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), rounded rectangular to ovate, insertion longitudinal, exterior margin curved, antical margin slightly curved or nearly straight, interior margin not ampliate, barely extending onto the stem surface (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">3D-F</figureCitation>
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), apex subacute to broadly rounded; keel emerging at an angle of ca. 45° from the stem, slightly convex; lobule ca. 150
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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ca. 150
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, length:width ratio 0.9-1.1:1, keel length 140-160
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, length of stem insertion 90-140
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<normalizedToken originalValue="µm">µm</normalizedToken>
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. Underleaves lacking. Asexual reproduction by gemmae produced from cells of leaf margin (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula patrickmuelleri sp. nov. and R. cretacea. A-E. R. patrickmuelleri, GZG. BST. 22041 (Mueller BuB 4395), holotype; A. Lobe cells, dorsal; B. Antical leaf margin with gemmae, dorsal; C. Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris); D. Lobe apex with large gemmae, dorsal; E. Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow); F-H. R. cretacea, PB 22484, holotype; F. Gametophyte with large gemmae on the lobe margins, ventral; G, H. Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development." figureDoi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213">4B-E</figureCitation>
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, indicated by asterisks), gemmae possibly unistratose, subdiscoid to obcordate to irregularly thalloid as size increases, 20-110
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<normalizedToken originalValue="µm">µm</normalizedToken>
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long
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<normalizedToken originalValue="×">x</normalizedToken>
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25-70
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<normalizedToken originalValue="µm">µm</normalizedToken>
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wide, first cell division seemingly periclinal (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula patrickmuelleri sp. nov. and R. cretacea. A-E. R. patrickmuelleri, GZG. BST. 22041 (Mueller BuB 4395), holotype; A. Lobe cells, dorsal; B. Antical leaf margin with gemmae, dorsal; C. Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris); D. Lobe apex with large gemmae, dorsal; E. Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow); F-H. R. cretacea, PB 22484, holotype; F. Gametophyte with large gemmae on the lobe margins, ventral; G, H. Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development." figureDoi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213">4C, E</figureCitation>
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); stalk cell of gemmae rectangular. Sterile.
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</paragraph>
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<caption doi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213" start="Figure 3" startId="F3">
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<paragraph pageId="0" pageNumber="213">
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<emphasis bold="true" pageId="0" pageNumber="213">Figure 3.</emphasis>
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<taxonomicName authorityName="K. Feldberg, Schaef. - Verw. & M. A. M. Renner" authorityYear="2022" class="Jungermanniopsida" family="Frullaniaceae" genus="Radula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Radula patrickmuelleri" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="patrickmuelleri">
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<emphasis italics="true" pageId="0" pageNumber="213">Radula patrickmuelleri</emphasis>
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</taxonomicName>
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sp. nov., GZG.BST.22041 (
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<normalizedToken originalValue="Müller">Mueller</normalizedToken>
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BuB4395), holotype.
|
||
<emphasis bold="true" pageId="0" pageNumber="213">A.</emphasis>
|
||
Gametophyte fragment, dorsal;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">B.</emphasis>
|
||
Gametophyte fragment, ventral;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">C.</emphasis>
|
||
Insertion of leaf lobes, dorsal;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">D.</emphasis>
|
||
Leaves with large lobes and small lobules (indicated by black arrows), ventral;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">E.</emphasis>
|
||
Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow);
|
||
<emphasis bold="true" pageId="0" pageNumber="213">F.</emphasis>
|
||
Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow).
|
||
</paragraph>
|
||
</caption>
|
||
<caption doi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213" start="Figure 4" startId="F4">
|
||
<paragraph pageId="0" pageNumber="213">
|
||
<emphasis bold="true" pageId="0" pageNumber="213">Figure 4.</emphasis>
|
||
<taxonomicName authorityName="K. Feldberg, Schaef. - Verw. & M. A. M. Renner" authorityYear="2022" class="Jungermanniopsida" family="Frullaniaceae" genus="Radula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Radula patrickmuelleri" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="patrickmuelleri">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">Radula patrickmuelleri</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. and
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" kingdom="Animalia" lsidName="R. cretacea" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="cretacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">R. cretacea</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" pageId="0" pageNumber="213">A-E.</emphasis>
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" kingdom="Animalia" lsidName="R. patrickmuelleri" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="patrickmuelleri">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">R. patrickmuelleri</emphasis>
|
||
</taxonomicName>
|
||
, GZG.BST.22041 (
|
||
<normalizedToken originalValue="Müller">Mueller</normalizedToken>
|
||
BuB4395), holotype;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">A.</emphasis>
|
||
Lobe cells, dorsal;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">B.</emphasis>
|
||
Antical leaf margin with gemmae, dorsal;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">C.</emphasis>
|
||
Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris);
|
||
<emphasis bold="true" pageId="0" pageNumber="213">D.</emphasis>
|
||
Lobe apex with large gemmae, dorsal;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">E.</emphasis>
|
||
Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow);
|
||
<emphasis bold="true" pageId="0" pageNumber="213">F-H.</emphasis>
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" kingdom="Animalia" lsidName="R. cretacea" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="cretacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">R. cretacea</emphasis>
|
||
</taxonomicName>
|
||
, PB22484, holotype;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">F.</emphasis>
|
||
Gametophyte with large gemmae on the lobe margins, ventral;
|
||
<emphasis bold="true" pageId="0" pageNumber="213">G, H.</emphasis>
|
||
Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="213" type="remarks">
|
||
<paragraph pageId="0" pageNumber="213">Remarks.</paragraph>
|
||
<paragraph pageId="0" pageNumber="213">
|
||
This fossil consists of a short, sterile gametophyte fragment but shows all relevant characters to delimitate it from other
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" genus="Radula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Radula" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">Radula</emphasis>
|
||
</taxonomicName>
|
||
fossils from Kachin amber (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Radula patrickmuelleri sp. nov., GZG. BST. 22041 (Mueller BuB 4395), holotype. A. Gametophyte fragment, dorsal; B. Gametophyte fragment, ventral; C. Insertion of leaf lobes, dorsal; D. Leaves with large lobes and small lobules (indicated by black arrows), ventral; E. Lobules, ventral (rhizoid bundle on the lobule surface indicated by white arrow); F. Longitudinally inserted leaf lobule, ventral (lobule indicated by black arrow)." figureDoi="10.3897/fr.25.82362.figure3" httpUri="https://binary.pensoft.net/fig/702432" pageId="0" pageNumber="213">3</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula patrickmuelleri sp. nov. and R. cretacea. A-E. R. patrickmuelleri, GZG. BST. 22041 (Mueller BuB 4395), holotype; A. Lobe cells, dorsal; B. Antical leaf margin with gemmae, dorsal; C. Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris); D. Lobe apex with large gemmae, dorsal; E. Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow); F-H. R. cretacea, PB 22484, holotype; F. Gametophyte with large gemmae on the lobe margins, ventral; G, H. Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development." figureDoi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213">4A-E</figureCitation>
|
||
). The small, rounded rectangular to ovate lobules allow to differentiate it from
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" kingdom="Animalia" lsidName="R. heinrichsii" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="heinrichsii">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">R. heinrichsii</emphasis>
|
||
</taxonomicName>
|
||
as well as
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" kingdom="Animalia" lsidName="R. tanaiensis" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="tanaiensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">R. tanaiensis</emphasis>
|
||
</taxonomicName>
|
||
which have much larger lobules (Fig.
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Radula tanaiensis sp. nov. and R. heinrichsii Feldberg et al. A-E. R. tanaiensis, GZG. BST. 22042 (Mueller BuB 4329), holotype; A. Gametophyte, ventral; B. Lobe and lobule, ventral (lobule indicated by black arrow); C. Lower part of Radula - type branch; D. Medial lobe cells; E. Marginal lobe cells with thickened free exterior walls (indicated by white arrow); F, G. R. heinrichsii, GZG. BST. 22023 (Mueller BuB 3683), holotype; F. Gametophyte with microphyllous (amentulose) branches (indicated by asterisks), ventral; G. Lobe cells with central mamillae." figureDoi="10.3897/fr.25.82362.figure5" httpUri="https://binary.pensoft.net/fig/702434" pageId="0" pageNumber="213">5A, B</figureCitation>
|
||
), and the apically rounded lobes with nearly parallel margins distinguish it from
|
||
<taxonomicName class="Jungermanniopsida" family="Frullaniaceae" kingdom="Animalia" lsidName="R. cretacea" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="cretacea">
|
||
<emphasis italics="true" pageId="0" pageNumber="213">R. cretacea</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Radula patrickmuelleri sp. nov. and R. cretacea. A-E. R. patrickmuelleri, GZG. BST. 22041 (Mueller BuB 4395), holotype; A. Lobe cells, dorsal; B. Antical leaf margin with gemmae, dorsal; C. Detail of gemmae (smaller spherical bodies possibly represent air bubbles and debris); D. Lobe apex with large gemmae, dorsal; E. Lobe margin with gemmae in the initial stage of development, dorsal (initial periclinal cell division visible and indicated by black arrow); F-H. R. cretacea, PB 22484, holotype; F. Gametophyte with large gemmae on the lobe margins, ventral; G, H. Gemmae in different stages of development (initial anticlinal cell division visible and indicated by black arrow). The asterisks indicate selected gemmae in different stages of development." figureDoi="10.3897/fr.25.82362.figure4" httpUri="https://binary.pensoft.net/fig/702433" pageId="0" pageNumber="213">4F</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |