treatments-xml/data/9A/7E/E5/9A7EE5A978C251DB8342F9B79B542784.xml
2024-06-21 12:45:13 +02:00

306 lines
33 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<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 &amp; Renner, Matt A. M." docDate="2022" docId="9A7EE5A978C251DB8342F9B79B542784" 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 tanaiensis K. Feldberg, Schaef. - Verw. &amp; M. A. M. Renner 2022, sp. nov." docType="treatment" docUuid="3442B8BB-79AD-44C6-8BCB-A2EAC0259B6F" 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">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<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>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Feldberg, Kathrin</mods:namePart>
<mods:affiliation>Department of Geobiology, University of Goettingen, Goldschmidtstrasse 3, 37077 Goettingen, Germany</mods:affiliation>
<mods:nameIdentifier type="email">kathrin.feldberg@uni-goettingen.de</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Schaefer-Verwimp, Alfons</mods:namePart>
<mods:affiliation>Mittlere Letten 11, 88634 Herdwangen-Schoenach, Germany</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Ya</mods:namePart>
<mods:affiliation>Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Renner, Matt A. M.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2286-7257</mods:nameIdentifier>
<mods:affiliation>Wildland Consultants, 99 Sala Street, Whakarewarewa, Rotorua, New Zealand</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Fossil Record</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-06-16</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>25</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>213</mods:start>
<mods:end>230</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/fr.25.82362</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/fr.25.82362</mods:identifier>
<mods:identifier type="Pensoft-Pub">2193-0074-1-213</mods:identifier>
<mods:identifier type="ZooBank">45048AF336F04E93AB9607BE0F9258D9</mods:identifier>
<mods:identifier type="Pensoft-UUID">459456B3E21956818C00FAA8B4DD7F26</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:zoobank.org:act:3442B8BB-79AD-44C6-8BCB-A2EAC0259B6F" httpUri="http://treatment.plazi.org/id/9A7EE5A978C251DB8342F9B79B542784" lastPageNumber="213" pageId="0" pageNumber="213">
<subSubSection pageId="0" pageNumber="213" type="nomenclature">
<paragraph pageId="0" pageNumber="213">
<taxonomicName LSID="http://zoobank.org/3442B8BB-79AD-44C6-8BCB-A2EAC0259B6F" authority="K. Feldberg, Schäf. - Verw. &amp; M. A. M. Renner" authorityName="K. Feldberg, Schaef. - Verw. &amp; M. A. M. Renner" authorityYear="2022" class="Jungermanniopsida" family="Radulaceae" genus="Radula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Radula tanaiensis" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="tanaiensis" status="sp. nov.">
Radula tanaiensis K.Feldberg,
<normalizedToken originalValue="Schäf">Schaef</normalizedToken>
.-Verw. &amp; M.A.M.Renner
</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="213">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="description">
<paragraph pageId="0" pageNumber="213">
<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">Fig. 5A-E</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="holotype">
<paragraph pageId="0" pageNumber="213">Holotype.</paragraph>
<paragraph pageId="0" pageNumber="213">
<emphasis bold="true" pageId="0" pageNumber="213">
GZG.BST.22042 (
<normalizedToken originalValue="Müller">Mueller</normalizedToken>
BuB4329)
</emphasis>
, Geoscience Centre (GZG) at the University of
<normalizedToken originalValue="Göttingen">Goettingen</normalizedToken>
, Germany.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="etymology">
<paragraph pageId="0" pageNumber="213">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="213">The specific epithet refers to the village of Tanai, where Kachin amber is mined.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="locality and horizon">
<paragraph pageId="0" pageNumber="213">Locality and horizon.</paragraph>
<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>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="diagnosis">
<paragraph pageId="0" pageNumber="213">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="213">
Gametophyte irregularly branched, branches similar to main shoot,
<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>
-type. Lateral leaves complicate bilobed; dorsal lobe oval to ovate with rounded apex, deeply emarginated at end of keel; free exterior wall of marginal cells distinctly thickened; ventral lobules
<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">
<emphasis italics="true" pageId="0" pageNumber="213">Lejeunea</emphasis>
</taxonomicName>
-type, up to 0.4
<normalizedToken originalValue="×">x</normalizedToken>
as big as dorsal lobes, ovate to rounded trapezoid, insertion longitudinal, antical free margin often reaching antical margin of lobe.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="description">
<paragraph pageId="0" pageNumber="213">Description.</paragraph>
<paragraph pageId="0" pageNumber="213">
Branched gametophyte fragment ca. 4 mm long [tip of main shoot broken off], yellowish to reddish brown (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-C</figureCitation>
); main shoot up to 2.12 mm wide with leaves. Branching irregular,
<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>
-type (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, C</figureCitation>
); three intact branches with reduced leaves near their base, becoming main shoot-like, 2.6-2.72 mm long and 1.2-2.1 mm wide with leaves. Stem dark reddish brown, straight to slightly zig-zagged, on main shoot ca. 70-90
<normalizedToken originalValue="µm">µm</normalizedToken>
wide [strongly decomposed], on branches ca. 60
<normalizedToken originalValue="µm">µm</normalizedToken>
wide; surface cells not visible; ventral and dorsal leaf-free strips not visible. Rhizoids not seen. Foliation incubous, lateral leaves alternate, complicate bilobed, divided into large dorsal lobe and smaller ventral
<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">
<emphasis italics="true" pageId="0" pageNumber="213">Lejeunea</emphasis>
</taxonomicName>
-type lobule enclosing the ventral leaf surface and forming a sharp postical keel (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">5B</figureCitation>
). Dorsal lobes imbricate, oval to ovate, insertion longitudinal, flat, spreading, not obliquely patent, riding onto dorsal stem surface; margin entire, postical margin deeply curved along inner half, first nearly straight then evenly curved towards apex along outer half, lobe apex broadly rounded, exterior antical margin evenly curved, interior margin curved and slightly ampliate, overlapping the stem up to 1
<normalizedToken originalValue="×">x</normalizedToken>
the stem width beyond the father edge of the stem; lobes on main shoot 600-610
<normalizedToken originalValue="µm">µm</normalizedToken>
long
<normalizedToken originalValue="×">x</normalizedToken>
440-510
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, length:width ratio 1.2-1.4:1, length exterior to keel 390-400
<normalizedToken originalValue="µm">µm</normalizedToken>
, length of stem insertion not clearly visible; lobes on branches 390-520
<normalizedToken originalValue="µm">µm</normalizedToken>
long
<normalizedToken originalValue="×">x</normalizedToken>
300-360
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, length exterior to keel 180-320
<normalizedToken originalValue="µm">µm</normalizedToken>
, length of stem insertion not visible. Marginal lobe cells quadrate to rectangular, 10-20
<normalizedToken originalValue="µm">µm</normalizedToken>
long
<normalizedToken originalValue="×">x</normalizedToken>
15-25
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, long axis either perpendicular or parallel with leaf margin (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">5E</figureCitation>
); medial cells (sub)isodiametric to slightly elongated, 15-30
<normalizedToken originalValue="µm">µm</normalizedToken>
long
<normalizedToken originalValue="×">x</normalizedToken>
12.5-25
<normalizedToken originalValue="µm">µm</normalizedToken>
wide (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">5D</figureCitation>
); basal cells not visible; cell surfaces appearing smooth, but possible ornamentation visible in some parts (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">5D</figureCitation>
) [cells generally indistinct]; cell walls moderately thickened, with small triangular to subnodulose trigones, free exterior wall of marginal cells distinctly thickened (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">5E</figureCitation>
). Ventral lobules ovate to rounded trapezoid, up to 0.4
<normalizedToken originalValue="×">x</normalizedToken>
as big as lobe, free antical margin often reaching antical margin of lobe (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">5B</figureCitation>
), insertion longitudinal, free exterior and antical margins nearly straight to curved, apex narrowly rounded to rounded, interior margin ampliate, ventrally extending up to 1
<normalizedToken originalValue="×">x</normalizedToken>
the stem width beyond the farther edge of stem; keel emerging at an angle of ca. 45° from the stem, lobe deeply emarginated at end of keel; lobules on main stem 290-310
<normalizedToken originalValue="µm">µm</normalizedToken>
long
<normalizedToken originalValue="×">x</normalizedToken>
340-370
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, length:width ratio ca. 0.9:1, keel length 210-230
<normalizedToken originalValue="µm">µm</normalizedToken>
, length of stem insertion not visible; on branches 270-330
<normalizedToken originalValue="µm">µm</normalizedToken>
long
<normalizedToken originalValue="×">x</normalizedToken>
300-340
<normalizedToken originalValue="µm">µm</normalizedToken>
wide, length:width ratio 0.8-1:1. Underleaves lacking. No asexual reproduction. Sterile.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="213" type="remarks">
<paragraph pageId="0" pageNumber="213">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="213">
The new fossil material consists of a short shoot fragment with the apex broken off and three main shoot-like
<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>
-type branches. It is not very well preserved, and many branches and leaves are broken (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-E</figureCitation>
). The lobules are generally very large in relation to the lobes (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 differentiate this fossil clearly from
<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>
as well as the much smaller
<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>
whose lobules are less than 0.2
<normalizedToken originalValue="×">x</normalizedToken>
the lobe size (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">4F</figureCitation>
). Superficially the new species looks similar to
<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>
(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">5F, G</figureCitation>
; compare descriptions in
<bibRefCitation DOI="https://doi.org/10.1016/j.cretres.2021.104987" author="Feldberg, K" journalOrPublisher="Bryophyte Diversity and Evolution" pageId="0" pageNumber="213" refId="B13" refString="Feldberg, K, Schaefer-Verwimp, A, Renner, MAM, von Konrat, M, Bechteler, J, Mueller, P, Wang, Y-D, Schneider, H, Schmidt, AR, 2021b. Liverworts from Cretaceous amber. Cretaceous Research 128: 104987. https://doi.org/10.1016/j.cretres.2021.104987" title="Liverworts from Cretaceous amber. Cretaceous Research 128: 104987." url="https://doi.org/10.1016/j.cretres.2021.104987" year="2021 b">Feldberg et al. 2021b</bibRefCitation>
), but the lobules of
<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>
are up to 0.4
<normalizedToken originalValue="×">x</normalizedToken>
the lobe size and their antical margin often reaches the antical margin of the lobe (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">5B</figureCitation>
), while the lobules of
<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>
remain smaller and are more rounded (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">5F</figureCitation>
). The lobe cells are somewhat indistinct, but it is clearly visible that the outer walls of the marginal cells are distinctly thickened (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">5E</figureCitation>
) whereas those of
<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>
are thinner (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">5G</figureCitation>
).
</paragraph>
<caption doi="10.3897/fr.25.82362.figure5" httpUri="https://binary.pensoft.net/fig/702434" pageId="0" pageNumber="213" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="213">
<emphasis bold="true" pageId="0" pageNumber="213">Figure 5.</emphasis>
<taxonomicName authorityName="K. Feldberg, Schaef. - Verw. &amp; M. A. M. Renner" authorityYear="2022" class="Jungermanniopsida" family="Frullaniaceae" genus="Radula" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Radula tanaiensis" order="Porellales" pageId="0" pageNumber="213" phylum="Marchantiophyta" rank="species" species="tanaiensis">
<emphasis italics="true" pageId="0" pageNumber="213">Radula tanaiensis</emphasis>
</taxonomicName>
sp. nov. and
<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>
Feldberg et al.
<emphasis bold="true" pageId="0" pageNumber="213">A-E.</emphasis>
<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>
, GZG.BST.22042 (
<normalizedToken originalValue="Müller">Mueller</normalizedToken>
BuB4329), holotype;
<emphasis bold="true" pageId="0" pageNumber="213">A.</emphasis>
Gametophyte, ventral;
<emphasis bold="true" pageId="0" pageNumber="213">B.</emphasis>
Lobe and lobule, ventral (lobule indicated by black arrow);
<emphasis bold="true" pageId="0" pageNumber="213">C.</emphasis>
Lower part of
<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>
-type branch;
<emphasis bold="true" pageId="0" pageNumber="213">D.</emphasis>
Medial lobe cells;
<emphasis bold="true" pageId="0" pageNumber="213">E.</emphasis>
Marginal lobe cells with thickened free exterior walls (indicated by white arrow);
<emphasis bold="true" pageId="0" pageNumber="213">F, G.</emphasis>
<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>
, GZG.BST.22023 (
<normalizedToken originalValue="Müller">Mueller</normalizedToken>
BuB3683), holotype;
<emphasis bold="true" pageId="0" pageNumber="213">F.</emphasis>
Gametophyte with microphyllous (amentulose) branches (indicated by asterisks), ventral;
<emphasis bold="true" pageId="0" pageNumber="213">G.</emphasis>
Lobe cells with central mamillae.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>