272 lines
32 KiB
XML
272 lines
32 KiB
XML
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<mods:title id="8C55287C8421E398BDEEB71A7A62C211">Little Known Homerian (Lower Silurian) Graptolites From Kosov Quarry Near Beroun, The Czech Republic</mods:title>
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<mods:namePart id="D65CB21FFD756E1C8E35B4ED11931B08">Štorch, Petr</mods:namePart>
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<mods:affiliation id="E8DB4483BB900E8FECC1F08E6CBB1249">Institute of Geology of the Czech Academy of Sciences, v. v. i., Rozvojová 269, 165 00 Praha 6, the Czech Republic; e-mail: storch @ gli. cas. cz.</mods:affiliation>
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<mods:namePart id="24CE84D4D5B55876CFDF3A63FBF10BB6">Manda, Štěpán</mods:namePart>
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<mods:affiliation id="0F5B83635531ADC20E9DC839B3F2F343">Czech Geological Survey, Klárov 3, 118 21 Praha 1, the Czech Republic; e-mail: stepan. manda @ geology. cz.</mods:affiliation>
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<treatment id="039187E8022DB544679CFF175D7ED895" LSID="urn:lsid:plazi:treatment:039187E8022DB544679CFF175D7ED895" httpUri="http://treatment.plazi.org/id/039187E8022DB544679CFF175D7ED895" lastPageNumber="51" pageId="7" pageNumber="51">
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<subSubSection id="C3226575022DB544679CFF175ADCDBBD" box="[241,654,198,223]" pageId="7" pageNumber="51" type="nomenclature">
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<paragraph id="8B8736FE022DB544679CFF175ADCDBBD" blockId="7.[241,654,198,223]" box="[241,654,198,223]" pageId="7" pageNumber="51">
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<heading id="D0CF8192022DB544679CFF175ADCDBBD" box="[241,654,198,223]" centered="true" fontSize="8" level="2" pageId="7" pageNumber="51" reason="2">
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<taxonomicName id="4C384D7D022DB544679CFF175ADCDBBD" authority="RICKARDS, 1965" authorityName="RICKARDS" authorityYear="1965" box="[241,654,198,223]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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<emphasis id="B94CEAEC022DB544679CFF175ADCDBBD" bold="true" box="[241,654,198,223]" pageId="7" pageNumber="51">
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<emphasis id="B94CEAEC022DB544679CFF17598EDBBD" bold="true" box="[241,476,199,223]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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<bibRefCitation id="EFA94B0F022DB544668EFF175A1EDBBE" author="Rickards, R. B." box="[483,588,199,223]" pageId="7" pageNumber="51" pagination="247 - 271" refId="ref11182" refString="Rickards, R. B. (1965): New Silurian graptolites from the Howgill Fells (Northern England). - Palaeontology, 8 (2): 247 - 271." type="journal article" year="1965">RICKARDS</bibRefCitation>
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, 1965
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3226575022DB5446622FF375D7ED895" pageId="7" pageNumber="51" type="description">
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<paragraph id="8B8736FE022DB5446622FF375A63DB9C" blockId="7.[335,561,231,255]" box="[335,561,231,255]" pageId="7" pageNumber="51">
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<figureCitation id="13032A7B022DB5446622FF375992DB9C" box="[335,448,231,255]" captionStart="Text-fig" captionStartId="6.[125,206,1901,1922]" captionTargetBox="[127,1424,151,1877]" captionTargetId="figure-3@6.[125,1440,151,1950]" captionTargetPageId="6" captionText="Text-fig. 5. Monograptid graptolites from the upper lundgreni (a–h, l–m) and lower ludensis-gerhardi (i–k) biozones of the Kosov quarry.?a, c–d, f – Monograptus subflexilis PŘIBYL, 1941: a – PŠ 3874, slender juvenile specimen from sample K2/11; c – PŠ 3871/1, sample K2/13; d – PŠ 3871/2, sample K2/13; f – PŠ 3864, sample K2/12. b, e, g–h, l–m – Monograptus ambiguus JAEGER, 1991: b – PŠ 3899, sample K2/7; e – PŠ 3896, least ventrally curved specimen, sample K2/7; g – PŠ 3873, specimen showing small apertural spines in proximal thecae, sample K2/6; h – PŠ 3851, most ventrally curved specimen from sample K2/6; l – PŠ 3883, sample K2/6; m – PŠ 3866, sample K2/7. i–k – Pristiograptus auctus RICKARDS, 1965: i – PŠ 3848/2, sample K1/32; j – PŠ 3848/1, sample K1/32; k – PŠ 3839, sample K1/32. All specimens × 6, scale bar 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4586651" httpUri="https://zenodo.org/record/4586651/files/figure.png" pageId="7" pageNumber="51">Text-figs 5</figureCitation>
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i–k, 6a, 7c
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</paragraph>
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||
<paragraph id="8B8736FE022DB54467ECFEC6598ADA2A" blockId="7.[128,768,278,597]" pageId="7" pageNumber="51">
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1965
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<taxonomicName id="4C384D7D022DB54467A1FEC659F0DA48" authority="Štorch & Manda, 2019" authorityName="Štorch & Manda" authorityYear="2019" box="[204,418,278,299]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus" status="sp. nov.">
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<emphasis id="B94CEAEC022DB54467A1FEC659F0DA48" box="[204,418,278,299]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="A27F5797022DB54466C2FEC65A51DA48" box="[431,515,278,299]" pageId="7" pageNumber="51" rank="species">sp. nov.</taxonomicNameLabel>
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||
; Rickards, pp. 260–261, text-fig. 2h, pl. 31, figs 2–4.
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</paragraph>
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<paragraph id="8B8736FE022DB54467ECFE81598CDAE6" blockId="7.[128,768,278,597]" pageId="7" pageNumber="51">
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1970
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<taxonomicName id="4C384D7D022DB54467A1FE8259ADDA06" authority="RICKARDS" authorityName="RICKARDS" authorityYear="1965" box="[204,511,338,359]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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||
<emphasis id="B94CEAEC022DB54467A1FE8259CCDA04" box="[204,414,338,359]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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RICKARDS
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</taxonomicName>
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; Palmer, pp. 340–341, pl. 14, figs h–p, pl. 15, figs c–d.
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</paragraph>
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<paragraph id="8B8736FE022DB54467EDFE5D59C3DAA3" blockId="7.[128,768,278,597]" pageId="7" pageNumber="51">
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||
1975
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<taxonomicName id="4C384D7D022DB54467A1FE5D59AFDAC3" authority="RICKARDS" authorityName="RICKARDS" authorityYear="1965" box="[204,509,397,418]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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||
<emphasis id="B94CEAEC022DB54467A1FE5D59CEDAC1" box="[204,412,397,418]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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RICKARDS
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</taxonomicName>
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; Lenz, pp. 84, 86, text-fig. 3a–d, pl. 1, figs 1–2.
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</paragraph>
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||
<paragraph id="8B8736FE022DB54467EDFE185A7BDABE" blockId="7.[128,768,278,597]" box="[128,553,456,478]" pageId="7" pageNumber="51">
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||
1991
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<taxonomicName id="4C384D7D022DB54467A1FE1959C0DABD" box="[204,402,457,478]" class="Graptolithina" family="Monograptidae" genus="Monograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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||
<emphasis id="B94CEAEC022DB54467A1FE1959C0DABD" box="[204,402,457,478]" italics="true" pageId="7" pageNumber="51">Monograptus auctus</emphasis>
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||
</taxonomicName>
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||
?; Jaeger, fig. 1.
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</paragraph>
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||
<paragraph id="8B8736FE022DB54467EDFE365B52DA9F" blockId="7.[128,768,278,597]" box="[128,768,486,508]" pageId="7" pageNumber="51">
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||
1993
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<taxonomicName id="4C384D7D022DB54467A1FE3759A0DA99" authority="RICKARDS" authorityName="RICKARDS" authorityYear="1965" box="[204,498,487,508]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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||
<emphasis id="B94CEAEC022DB54467A1FE3759C7DA9F" box="[204,405,487,508]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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RICKARDS
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</taxonomicName>
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; Burns and Rickards, fig. 4b.
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</paragraph>
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<paragraph id="8B8736FE022DB54467ECFDD459D8D954" blockId="7.[128,768,278,597]" pageId="7" pageNumber="51">
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||
1998
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<taxonomicName id="4C384D7D022DB54467A1FDD459A9D974" authority="RICKARDS" authorityName="RICKARDS" authorityYear="1965" box="[204,507,516,537]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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||
<emphasis id="B94CEAEC022DB54467A1FDD459CED97A" box="[204,412,516,537]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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RICKARDS
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</taxonomicName>
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; Maletz et al., p. 145, textfig. 4/7, pl. 1, fig. 7.
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</paragraph>
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<paragraph id="8B8736FE022DB54467EDFDEF5AAFD936" blockId="7.[128,768,278,597]" box="[128,765,575,597]" pageId="7" pageNumber="51">
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||
2019
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||
<taxonomicName id="4C384D7D022DB54467A1FD9059A6D930" authority="RICKARDS" authorityName="RICKARDS" authorityYear="1965" box="[204,500,576,597]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
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||
<emphasis id="B94CEAEC022DB54467A1FD9059C4D936" box="[204,406,576,597]" italics="true" pageId="7" pageNumber="51">Pristiograptus auctus</emphasis>
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RICKARDS
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</taxonomicName>
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; Manda et al., figs 7a, 9d, e.
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</paragraph>
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<paragraph id="8B8736FE022DB54467CBFDBE596BD985" blockId="7.[129,768,621,742]" pageId="7" pageNumber="51">
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H o l o t y p e. Specimen no HUR/7W/46 from the lower
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<emphasis id="B94CEAEC022DB54467ECFD5D5886D9C6" box="[129,212,653,677]" italics="true" pageId="7" pageNumber="51">nilssoni</emphasis>
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Biozone (lowermost Ludlow) of Wandale Hill, Howgill Fells,
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<collectingCountry id="F32F766E022DB544664DFD7E592ED9A5" box="[288,380,686,710]" name="United Kingdom" pageId="7" pageNumber="51">England</collectingCountry>
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||
; figured by
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<bibRefCitation id="EFA94B0F022DB5446697FD7E5AF3D9A5" author="Rickards, R. B." box="[506,673,686,710]" pageId="7" pageNumber="51" pagination="247 - 271" refId="ref11182" refString="Rickards, R. B. (1965): New Silurian graptolites from the Howgill Fells (Northern England). - Palaeontology, 8 (2): 247 - 271." type="journal article" year="1965">Rickards (1965</bibRefCitation>
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||
: text-fig. 2h, pl. 31, fig. 4).
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||
</paragraph>
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||
<paragraph id="8B8736FE022DB54467CBFD2E5979D814" blockId="7.[129,768,766,887]" pageId="7" pageNumber="51">
|
||
M a t e r i a l. 8 flattened, mostly complete specimens from the lower – middle
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<emphasis id="B94CEAEC022DB54466F5FCCE5A06D855" box="[408,596,798,822]" italics="true" pageId="7" pageNumber="51">ludensis-gerhardi</emphasis>
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||
Biozone of the Kosov 1 section (samples K1/31 and K1/32; see
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<bibRefCitation id="EFA94B0F022DB54465F4FCEF5888D814" author="Manda, S. & Storch, P. & Fryda, J. & Slavik, L. & Tasaryova, Z." pageId="7" pageNumber="51" pagination="14 - 34" refId="ref10736" refString="Manda, S., Storch, P., Fryda, J., Slavik, L., Tasaryova, Z. (2019): The mid-Homerian (Silurian) biotic crisis in offshore settings of the Prague Synform, Czech Republic: integration of the graptolite fossil record with conodonts, shelly fauna and carbon isotope data. - Palaeogeogra- phy, Palaeoclimatology, Palaeoecology, 528: 14 - 34. https: // doi. org / 10.1016 / j. palaeo. 2019.04.026" type="journal article" year="2019">Manda et al. 2019</bibRefCitation>
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||
: fig. 3).
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</paragraph>
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<paragraph id="8B8736FE022DB54467CBFC5F58B7DFC9" blockId="7.[129,768,911,1194]" pageId="7" pageNumber="51">
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D i a g n o s i s. After
|
||
<bibRefCitation id="EFA94B0F022DB54466D8FC5F5A2BD8C4" author="Rickards, R. B." box="[437,633,911,935]" pageId="7" pageNumber="51" pagination="247 - 271" refId="ref11182" refString="Rickards, R. B. (1965): New Silurian graptolites from the Howgill Fells (Northern England). - Palaeontology, 8 (2): 247 - 271." type="journal article" year="1965">Rickards (1965)</bibRefCitation>
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||
, emended. Robust pristiograptid rhabdosome with slightly ventrally curved dorsal wall in the proximal part comprising th1– th5. The sicula is gently ventrally curved, in particular near its concave, ventro-proximally facing aperture, and is commonly furnished with a weakly developed rutellum. The sicular aperture is somewhat covered by a short and robust virgella, which is expanded into a prominent globular structure.
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||
</paragraph>
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<paragraph id="8B8736FE022DB54467CBFB12588BDCA0" blockId="7.[129,768,1217,1988]" pageId="7" pageNumber="51">
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D e s c r i p t i o n. The robust, almost
|
||
<quantity id="4CC09B1B022DB544650EFB115AE5DFBA" box="[611,695,1217,1241]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="7" pageNumber="51" unit="mm" value="50.0">50 mm</quantity>
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long, generally straight rhabdosome is weakly ventrally curved in the proximal part comprising th1–th5. The sicula is 1.85– 2.0 mm long, markedly ventrally curved near the aperture, which is slightly concave and faces ventro-proximally, being furnished with a broad, weakly developed rutellum. The sicular aperture is somewhat covered by a short (
|
||
<quantity id="4CC09B1B022DB54465C3FA5458FEDEDE" metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="8.0" metricValueMin="7.0" pageId="7" pageNumber="51" unit="mm" value="0.75" valueMax="0.8" valueMin="0.7">0.7–0.8 mm</quantity>
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||
) and blunt virgella, which is expanded into a prominent, presumably spatulate or almost globular structure. Ventral wall of th1 is slightly concave, and emerges
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<quantity id="4CC09B1B022DB54465F8FA3658F8DD7E" metricMagnitude="-4" metricUnit="m" metricValue="3.8" metricValueMax="4.2" metricValueMin="3.4" pageId="7" pageNumber="51" unit="mm" value="0.38" valueMax="0.42" valueMin="0.34">0.34–0.42 mm</quantity>
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||
above the sicular apertural margin. Thecae are straight simple tubes with slightly concave apertures, which are either perpendicular to the thecal tube or somewhat everted. Proximal thecae overlap for less than two-thirds of their length, distal thecae overlap for two-thirds or a little more and are inclined at an angle of 34–55° (M = 44°, n = 12) to the rhabdosome axis. The rhabdosome widens from
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||
<quantity id="4CC09B1B022DB54465AEF918588CDC63" metricMagnitude="-4" metricUnit="m" metricValue="9.35" metricValueMax="10.2" metricValueMin="8.5" pageId="7" pageNumber="51" unit="mm" value="0.935" valueMax="1.02" valueMin="0.85">0.85– 1.02 mm</quantity>
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at th1 to
|
||
<quantity id="4CC09B1B022DB544662CF939599CDC63" box="[321,462,1769,1793]" metricMagnitude="-3" metricUnit="m" metricValue="1.0699999999999998" metricValueMax="1.2" metricValueMin="0.94" pageId="7" pageNumber="51" unit="mm" value="1.0699999999999998" valueMax="1.2" valueMin="0.94">0.94–1.2 mm</quantity>
|
||
at th3,
|
||
<quantity id="4CC09B1B022DB5446570F9395AE5DC63" box="[541,695,1769,1793]" metricMagnitude="-3" metricUnit="m" metricValue="1.4649999999999999" metricValueMax="1.65" metricValueMin="1.28" pageId="7" pageNumber="51" unit="mm" value="1.4649999999999999" valueMax="1.65" valueMin="1.28">1.28–1.65 mm</quantity>
|
||
at th5,
|
||
<quantity id="4CC09B1B022DB54467ECF8D9595DDC42" box="[129,271,1801,1825]" metricMagnitude="-3" metricUnit="m" metricValue="1.925" metricValueMax="2.2" metricValueMin="1.65" pageId="7" pageNumber="51" unit="mm" value="1.925" valueMax="2.2" valueMin="1.65">1.65–2.2 mm</quantity>
|
||
at th10 and
|
||
<quantity id="4CC09B1B022DB54466F5F8D95A74DC42" box="[408,550,1801,1825]" metricMagnitude="-3" metricUnit="m" metricValue="2.325" metricValueMax="2.55" metricValueMin="2.1" pageId="7" pageNumber="51" unit="mm" value="2.325" valueMax="2.55" valueMin="2.1">2.1–2.55 mm</quantity>
|
||
at th20 to the distal maximum
|
||
<quantity id="4CC09B1B022DB544679EF8FA591ADC22" box="[243,328,1834,1858]" metricMagnitude="-3" metricUnit="m" metricValue="2.8" pageId="7" pageNumber="51" unit="mm" value="2.8">2.8 mm</quantity>
|
||
. Most proximal thecae are rather densely spaced with 2TRD
|
||
<quantity id="4CC09B1B022DB5446620F89A598BDC01" box="[333,473,1866,1890]" metricMagnitude="-3" metricUnit="m" metricValue="1.47" metricValueMax="1.6" metricValueMin="1.34" pageId="7" pageNumber="51" unit="mm" value="1.47" valueMax="1.6" valueMin="1.34">1.34–1.6 mm</quantity>
|
||
at th2 and
|
||
<quantity id="4CC09B1B022DB5446521F89A5AB4DC01" box="[588,742,1866,1890]" metricMagnitude="-3" metricUnit="m" metricValue="1.7" metricValueMax="1.87" metricValueMin="1.53" pageId="7" pageNumber="51" unit="mm" value="1.7" valueMax="1.87" valueMin="1.53">1.53–1.87 mm</quantity>
|
||
at th5. Thereafter the 2TRD increased to 2.0–
|
||
<quantity id="4CC09B1B022DB5446538F8BB5AF7DCE1" box="[597,677,1899,1923]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="7" pageNumber="51" unit="mm" value="2.1">2.1 mm</quantity>
|
||
at th10, and the most distal thecae number
|
||
<quantity id="4CC09B1B022DB5446690F85B5A7ADCC0" box="[509,552,1931,1955]" metricMagnitude="-1" metricUnit="m" metricValue="2.286" pageId="7" pageNumber="51" unit="in" value="9.0">9 in</quantity>
|
||
<quantity id="4CC09B1B022DB544655DF85B5A2EDCC0" box="[560,636,1931,1955]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="51" unit="mm" value="10.0">10 mm</quantity>
|
||
with 2TRD
|
||
<quantity id="4CC09B1B022DB54467ECF87C5884DCA0" box="[129,214,1964,1988]" metricMagnitude="-3" metricUnit="m" metricValue="2.2" pageId="7" pageNumber="51" unit="mm" value="2.2">2.2 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B8736FE022DB54467CBF80B5D7ED895" blockId="7.[129,768,2011,2100]" lastBlockId="7.[843,1485,152,1015]" pageId="7" pageNumber="51">
|
||
R e m a r k s. Specimens from the lower part of the
|
||
<emphasis id="B94CEAEC022DB54467ECF82B596FD370" box="[129,317,2043,2067]" italics="true" pageId="7" pageNumber="51">ludensis-gerhardi</emphasis>
|
||
Biozone of the Kosov 1 section appear like somewhat enlarged versions of the
|
||
<typeStatus id="5483885C022DB5446507F7CC5A95D357" box="[618,711,2076,2100]" pageId="7" pageNumber="51" type="holotype">holotype</typeStatus>
|
||
and
|
||
<typeStatus id="5483885C022DB5446426FF485BE3DBD3" box="[843,945,152,176]" pageId="7" pageNumber="51" type="paratype">paratypes</typeStatus>
|
||
of
|
||
<taxonomicName id="4C384D7D022DB54464BAFF485C6ADBCC" authorityName="RICKARDS" authorityYear="1965" box="[983,1080,152,175]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
|
||
<emphasis id="B94CEAEC022DB54464BAFF485C6ADBCC" box="[983,1080,152,175]" italics="true" pageId="7" pageNumber="51">P. auctus</emphasis>
|
||
</taxonomicName>
|
||
from the
|
||
<emphasis id="B94CEAEC022DB54463C9FF485D98DBD3" box="[1188,1482,152,176]" italics="true" pageId="7" pageNumber="51">
|
||
<taxonomicName id="4C384D7D022DB54463C9FF485D3DDBD3" authorityName="Urbanek" authorityYear="1963" box="[1188,1391,152,176]" class="Graptolithina" family="Rhabdinoporidae" genus="Neodiversograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="genus">Neodiversograptus</taxonomicName>
|
||
nilssoni
|
||
</emphasis>
|
||
Biozone of northern
|
||
<collectingCountry id="F32F766E022DB5446347FF685CD4DBB3" box="[1066,1158,184,208]" name="United Kingdom" pageId="7" pageNumber="51">England</collectingCountry>
|
||
, which are
|
||
<quantity id="4CC09B1B022DB544626CFF685DDCDBAC" box="[1281,1422,184,208]" metricMagnitude="-4" metricUnit="m" metricValue="7.25" metricValueMax="7.5" metricValueMin="7.0" pageId="7" pageNumber="51" unit="mm" value="0.725" valueMax="0.75" valueMin="0.7">0.7–0.75 mm</quantity>
|
||
wide at th1 and 2.0 mm wide distally, with thecae numbering
|
||
<quantity id="4CC09B1B022DB5446426FF295BFBDA73" box="[843,937,248,273]" metricMagnitude="-1" metricUnit="m" metricValue="3.683" metricValueMax="4.572" metricValueMin="2.794" pageId="7" pageNumber="51" unit="in" value="14.5" valueMax="18.0" valueMin="11.0">11–18 in</quantity>
|
||
<quantity id="4CC09B1B022DB54464DCFF295BAEDA73" box="[945,1020,249,273]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="51" unit="mm" value="10.0">10 mm</quantity>
|
||
(
|
||
<bibRefCitation id="EFA94B0F022DB5446361FF285CFFDA73" author="Rickards, R. B." box="[1036,1197,248,272]" pageId="7" pageNumber="51" pagination="247 - 271" refId="ref11182" refString="Rickards, R. B. (1965): New Silurian graptolites from the Howgill Fells (Northern England). - Palaeontology, 8 (2): 247 - 271." type="journal article" year="1965">Rickards 1965</bibRefCitation>
|
||
).
|
||
<bibRefCitation id="EFA94B0F022DB54463ACFF285D0EDA72" author="Palmer, D. C." box="[1217,1372,248,273]" pageId="7" pageNumber="51" pagination="335 - 342" refId="ref11055" refString="Palmer, D. C. (1970): Monograptus ludensis Zone grapto- lites from the Devilsbit Mountain District, Tipperary. - Scientific Proceedings of the Royal Dublin Society, Series A, 3: 335 - 342." type="journal article" year="1970">Palmer (1970)</bibRefCitation>
|
||
described “
|
||
<taxonomicName id="4C384D7D022DB544643AFECA5BB5DA52" authorityName="GEINITZ" authorityYear="1852" box="[855,999,282,305]" class="Graptolithina" family="Monograptidae" genus="Monograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="genus">
|
||
<emphasis id="B94CEAEC022DB544643AFECA5BB5DA52" box="[855,999,282,305]" italics="true" pageId="7" pageNumber="51">Monograptus</emphasis>
|
||
</taxonomicName>
|
||
”
|
||
<taxonomicName id="4C384D7D022DB5446495FECA5C6CDA52" authorityName="RICKARDS" authorityYear="1965" box="[1016,1086,282,305]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
|
||
<emphasis id="B94CEAEC022DB5446495FECA5C6CDA52" box="[1016,1086,282,305]" italics="true" pageId="7" pageNumber="51">auctus</emphasis>
|
||
</taxonomicName>
|
||
from the
|
||
<emphasis id="B94CEAEC022DB54463C8FEC95CAEDA52" box="[1189,1276,281,305]" italics="true" pageId="7" pageNumber="51">ludensis</emphasis>
|
||
Biozone of
|
||
<collectingCountry id="F32F766E022DB5446213FEC95D98DA52" box="[1406,1482,281,305]" name="Ireland" pageId="7" pageNumber="51">Ireland</collectingCountry>
|
||
with thecal spacing
|
||
<quantity id="4CC09B1B022DB544634AFEE95CD5DA32" box="[1063,1159,313,337]" metricMagnitude="-1" metricUnit="m" metricValue="2.794" metricValueMax="3.048" metricValueMin="2.54" pageId="7" pageNumber="51" unit="in" value="11.0" valueMax="12.0" valueMin="10.0">10–12 in</quantity>
|
||
<quantity id="4CC09B1B022DB54463FDFEE95C8FDA32" box="[1168,1245,313,337]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="51" unit="mm" value="10.0">10 mm</quantity>
|
||
proximally and
|
||
<quantity id="4CC09B1B022DB54462F9FEE95B32DA12" metricMagnitude="-1" metricUnit="m" metricValue="2.286" metricValueMax="2.54" metricValueMin="2.032" pageId="7" pageNumber="51" unit="in" value="9.0" valueMax="10.0" valueMin="8.0">8–10 in</quantity>
|
||
<quantity id="4CC09B1B022DB5446403FE895B92DA12" box="[878,960,345,369]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="7" pageNumber="51" unit="mm" value="10.0">10 mm</quantity>
|
||
distally, which matches our specimens from Kosov 1.
|
||
<bibRefCitation id="EFA94B0F022DB54464D4FEAA5C3BDAF2" author="Rickards, R. B." box="[953,1129,377,402]" pageId="7" pageNumber="51" pagination="247 - 271" refId="ref11182" refString="Rickards, R. B. (1965): New Silurian graptolites from the Howgill Fells (Northern England). - Palaeontology, 8 (2): 247 - 271." type="journal article" year="1965">Rickards (1965)</bibRefCitation>
|
||
noted the close similarity of
|
||
<taxonomicName id="4C384D7D022DB54462DBFEAA5BC3DAD1" authorityName="RICKARDS" authorityYear="1965" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
|
||
<emphasis id="B94CEAEC022DB54462DBFEAA5BC3DAD1" italics="true" pageId="7" pageNumber="51">P. auctus</emphasis>
|
||
</taxonomicName>
|
||
to
|
||
<emphasis id="B94CEAEC022DB54464D6FE4A5CEFDAD1" box="[955,1213,410,434]" italics="true" pageId="7" pageNumber="51">
|
||
<taxonomicName id="4C384D7D022DB54464D6FE4A5C09DAD1" authorityName="Pribyl" authorityYear="1943" box="[955,1115,410,434]" class="Graptolithina" genus="Colonograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="genus">Colonograptus</taxonomicName>
|
||
ludensis
|
||
</emphasis>
|
||
(
|
||
<bibRefCitation id="EFA94B0F022DB54463BCFE4A5DC3DAD1" author="Murchison, R. I." box="[1233,1425,410,434]" pageId="7" pageNumber="51" refId="ref10896" refString="Murchison, R. I. (1839): The Silurian System, founded on Silurian Researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester and Stafford: with descriptions of the Coalfields and overlying formations. - John Murray, London, 768 pp. https: // doi. org / 10.5962 / bhl. title. 88029" type="book" year="1839">MURCHISON, 1839</bibRefCitation>
|
||
) and
|
||
<emphasis id="B94CEAEC022DB5446426FE6B5C0FDAB1" box="[843,1117,443,466]" italics="true" pageId="7" pageNumber="51">
|
||
<taxonomicName id="4C384D7D022DB5446426FE6B5BB7DAB1" authorityName="JAEKEL" authorityYear="1889" box="[843,997,443,466]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="genus">Pristiograptus</taxonomicName>
|
||
tumescens
|
||
</emphasis>
|
||
(
|
||
<bibRefCitation id="EFA94B0F022DB5446302FE6A5CABDAB1" author="Wood, E. M. R." box="[1135,1273,442,466]" pageId="7" pageNumber="51" pagination="415 - 492" refId="ref11664" refString="Wood, E. M. R. (1900): The Lower Ludlow Formation and its graptolite fauna. - Quarterly Journal of the Geologi- cal Society of London, 56: 415 - 492. https: // doi. org / 10.1144 / GSL. JGS. 1900.056.01 - 04.26" type="journal article" year="1900">WOOD, 1900</bibRefCitation>
|
||
), in having similar thecal spacing and dorso-ventral width, along with a slightly ventrally curved dorsal side of the proximal part of the rhabdosome. The sicula is markedly ventrally curved near the aperture, which is well seen on Palmer’s illustrations (1970: pl. 14), along with the globular virgellar structure which “almost blocks the sicular aperture”. The weak ventral curvature of the dorsal wall of the proximal part of the rhabdosome, ventrally curved sicula, its ventro-proximally facing aperture and bulbous virgella are considered the most diagnostic characters of the species, considering variation in thecal spacing and rhabdosome width that is common in Wenlock and Ludlow pristiograptids and derived colonograptids. The stratigraphic range of
|
||
<taxonomicName id="4C384D7D022DB5446252FC8E5DFAD816" authorityName="RICKARDS" authorityYear="1965" box="[1343,1448,862,885]" class="Graptolithina" family="Rhabdinoporidae" genus="Pristiograptus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Graptoloidea" pageId="7" pageNumber="51" phylum="Hemichordata" rank="species" species="auctus">
|
||
<emphasis id="B94CEAEC022DB5446252FC8E5DFAD816" box="[1343,1448,862,885]" italics="true" pageId="7" pageNumber="51">P. auctus</emphasis>
|
||
</taxonomicName>
|
||
is restricted to the uppermost Homerian
|
||
<emphasis id="B94CEAEC022DB544638DFCAE5DCED8F5" box="[1248,1436,894,918]" italics="true" pageId="7" pageNumber="51">ludensis-gerhardi</emphasis>
|
||
and lowermost Gorstian
|
||
<emphasis id="B94CEAEC022DB544634BFC4E5C2BD8D5" box="[1062,1145,926,950]" italics="true" pageId="7" pageNumber="51">nilssoni</emphasis>
|
||
biozones, according to records from
|
||
<collectingCountry id="F32F766E022DB54464EBFC6E5B9BD8B5" box="[902,969,958,982]" name="United Kingdom" pageId="7" pageNumber="51">Wales</collectingCountry>
|
||
,
|
||
<collectingCountry id="F32F766E022DB54464B8FC6E5C63D8B5" box="[981,1073,958,982]" name="United Kingdom" pageId="7" pageNumber="51">England</collectingCountry>
|
||
,
|
||
<collectingCountry id="F32F766E022DB5446350FC6E5CD9D8B5" box="[1085,1163,958,982]" name="Ireland" pageId="7" pageNumber="51">Ireland</collectingCountry>
|
||
,
|
||
<collectingRegion id="49FCF81C022DB54463FAFC6E5CBAD8B5" box="[1175,1256,958,982]" country="Canada" name="Quebec" pageId="7" pageNumber="51">Québec</collectingRegion>
|
||
(
|
||
<collectingCountry id="F32F766E022DB5446395FC6E5D1FD8B5" box="[1272,1357,958,982]" name="Canada" pageId="7" pageNumber="51">Canada</collectingCountry>
|
||
),
|
||
<collectingRegion id="49FCF81C022DB544620DFC6E5D9BD8B5" box="[1376,1481,958,982]" country="Germany" name="Thueringen" pageId="7" pageNumber="51">Thuringia</collectingRegion>
|
||
(
|
||
<collectingCountry id="F32F766E022DB544643FFC0F5BE9D894" box="[850,955,991,1015]" name="Germany" pageId="7" pageNumber="51">Germany</collectingCountry>
|
||
),
|
||
<collectingCountry id="F32F766E022DB54464A1FC0E5C72D895" box="[972,1056,990,1014]" name="Albania" pageId="7" pageNumber="51">Albania</collectingCountry>
|
||
and the
|
||
<collectingCountry id="F32F766E022DB5446316FC0E5D7BD895" box="[1147,1321,990,1014]" name="Czech Republic" pageId="7" pageNumber="51">Czech Republic</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |