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<document id="7B5552893BFE7F2D4288EC8484D5B4EC" ID-CLB-Dataset="26049" ID-DOI="10.11646/zootaxa.4654.1.1" ID-GBIF-Dataset="9ce1d103-9234-4fbe-9544-f1c294bb8783" ID-ISSN="1175-5326" ID-Zenodo-Dep="3365803" ID-ZooBank="CFD82CC0-3110-472E-972B-7ADC0C523A04" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1565592061838" checkinUser="plazi" docAuthor="Hansen, Thomas" docDate="2019" docId="BF18F633A995FF732B9CC533FE18FCBC" docLanguage="en" docName="zootaxa.4654.1.1.pdf" docOrigin="Zootaxa 4654 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Pseudocochlespira transversa Hansen 2019, n. sp." docType="treatment" docUuid="A099827D-8442-42E9-A891-812BCB2B59D4" docUuidSource="ZooBank" docVersion="24" lastPageNumber="151" masterDocId="43218E4BA900FFE52B0BC14DFFA9FFE3" masterDocTitle="Gastropods from the Cretaceous-Palaeogene boundary in Denmark" masterLastPageNumber="196" masterPageNumber="1" pageNumber="150" updateTime="1698750564626" updateUser="ExternalLinkService">
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<mods:title id="422780382B0AAC7A72FF1C0E408F702C">Gastropods from the Cretaceous-Palaeogene boundary in Denmark</mods:title>
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<mods:namePart id="7A43D81175EF79E891E1E8EF6BC704BB">Hansen, Thomas</mods:namePart>
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<mods:date id="7DBEFF7FFDD6A65787492461514A5BA7">2019</mods:date>
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<mods:number id="7C29763459E4C05536155DC4A79B4A94">2019-08-12</mods:number>
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<treatment id="BF18F633A995FF732B9CC533FE18FCBC" ID-DOI="http://doi.org/10.5281/zenodo.5582947" ID-GBIF-Taxon="159074698" ID-Zenodo-Dep="5582947" LSID="urn:lsid:zoobank.org:act:A099827D-8442-42E9-A891-812BCB2B59D4" httpUri="http://treatment.plazi.org/id/BF18F633A995FF732B9CC533FE18FCBC" lastPageId="150" lastPageNumber="151" pageId="149" pageNumber="150">
<subSubSection id="7FAB14AEA995FF702B9CC533FDE1FB7A" box="[151,584,1150,1177]" pageId="149" pageNumber="150" type="nomenclature">
<paragraph id="370E4725A995FF702B9CC533FDE1FB7A" blockId="149.[151,584,1150,1212]" box="[151,584,1150,1177]" pageId="149" pageNumber="150">
<heading id="6C46F049A995FF702B9CC533FDE1FB7A" bold="true" box="[151,584,1150,1177]" fontSize="11" level="1" pageId="149" pageNumber="150" reason="1">
<emphasis id="05C59B37A995FF702B9CC533FDE1FB7A" bold="true" box="[151,584,1150,1177]" pageId="149" pageNumber="150">
<taxonomicName id="F0B13CA6A995FF702B9CC533FE57FB7A" authority="Hansen, 2019" authorityName="Hansen" authorityYear="2019" box="[151,510,1150,1177]" class="Gastropoda" family="Turridae" genus="Pseudocochlespira" higherTaxonomySource="GBIF" kingdom="Animalia" order="Neogastropoda" pageId="149" pageNumber="150" phylum="Mollusca" rank="species" species="transversa" status="sp. nov.">
<emphasis id="05C59B37A995FF702B9CC533FE57FB7A" bold="true" box="[151,510,1150,1177]" italics="true" pageId="149" pageNumber="150">Pseudocochlespira transversa</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1EF6264CA995FF70290DC532FDE1FB7A" box="[518,584,1151,1177]" pageId="149" pageNumber="150" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="7FAB14AEA995FF702B9CC5EFFEB4FB5F" box="[151,285,1186,1212]" pageId="149" pageNumber="150" type="description">
<paragraph id="370E4725A995FF702B9CC5EFFEB4FB5F" blockId="149.[151,584,1150,1212]" box="[151,285,1186,1212]" pageId="149" pageNumber="150">
<figureCitation id="AF8A5BA0A995FF702B9CC5EFFF40FB5F" box="[151,233,1186,1212]" captionStart="FIGURE 32" captionStartId="148.[151,250,188,213]" captionTargetId="figure@147.[151,1435,179,1918]" captionTargetPageId="147" captionText="FIGURE 32. A. Ptychatractidae genus et sp. indet. Silicone cast of MGUH 33274. Width 1.8 mm. BG. Orthosurcula s.l. cerithiorum (Ravn, 1902). B. Silicone cast of lectotype MGUH 123. Height 11.4 mm. Photograph by S. L. Jakobsen. C. Silicone cast of MGUH 33275. Height 4.8 mm. D. Silicone cast of MGUH 33276. Height 13.7 mm. E. Silicone cast of MGUH 33277. Width 6.4 mm. F. Silicone cast of MGUH 119, holotype of Pleurotoma steenstrupii Ravn, 1902. Height 23.6 mm. G. Silicone cast of MGUH 33278. Height 2.4 mm. HK. Epalxis? rosenkrantzi n. sp. HJ. Silicone cast of holotype MGUH 33279. Widths 2.7, 2.8 and 2.8 mm respectively. K. Silicone cast of paratype MGUH 33280. Width 2.5 mm. LN. Pseudocochlespira transversa n. sp. LM. Silicone cast of holotype MGUH 33281. Widths 5.9 and 6.0 mm respectively. N. Silicone cast of paratype MGUH 33282. Width 8.2 mm. OS. Pseudotoma danica n. sp. OP. Silicone cast of holotype MGUH 33283. Width 5.7 mm. Q. Silicone cast of paratype MGUH 33284. Width 7.0 mm. R. Silicone cast of paratype MGUH 33285. Width 6.3 mm. S. Silicone cast of ØSM.10042-272-b. Width 5.8 mm. TU. Mangeliid genus et sp. indet., Silicone cast of MGUH 33286. Widths 3.3 and 4.8 mm respectively." figureDoi="http://doi.org/10.5281/zenodo.3442120" httpUri="https://zenodo.org/record/3442120/files/figure.png" pageId="149" pageNumber="150">Figs 32</figureCitation>
LN
</paragraph>
</subSubSection>
<subSubSection id="7FAB14AEA995FF732B9CC5A4FE18FCBC" lastPageId="150" lastPageNumber="151" pageId="149" pageNumber="150" type="materials_examined">
<paragraph id="370E4725A995FF702B9CC5A4FE1DFAAF" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702B9CC5A4FEBBFAE7" bold="true" box="[151,274,1257,1284]" pageId="149" pageNumber="150">Diagnosis.</emphasis>
Protoconch low conical with 3 ½ convex smooth whorls, followed by a sculptured whorl carrying around 18 weak but sharp transverse ribs. Teleoconch with sharply developed carina, coarse spiral threads or cords and sharp transverse ribs.
</paragraph>
<paragraph id="370E4725A995FF702BCCC418FF63FA77" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702BCCC418FE1FFA93" bold="true" box="[199,438,1365,1392]" pageId="149" pageNumber="150">Derivation of name.</emphasis>
Refers to the generally well developed and sharp transverse ribs characterizing this species.
</paragraph>
<paragraph id="370E4725A995FF702BCCC4D3FE7AF9E3" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702BCCC4D3FEDEFA5B" bold="true" box="[199,375,1437,1464]" pageId="149" pageNumber="150">Type material.</emphasis>
<materialsCitation id="87D94D78A995FF702A8BC4D3FD27FA3F" ID-GBIF-Occurrence="2413160794" collectingDate="1924-08" collectionCode="MGUH" collectorName="A. Rosenkrantz" pageId="149" pageNumber="150" specimenCode="MGUH 33281" specimenCount="1" typeStatus="holotype">
The
<typeStatus id="E80AF987A995FF702ABFC4D3FDBFFA5B" box="[436,534,1438,1464]" pageId="149" pageNumber="150" type="holotype">holotype</typeStatus>
<specimenCode id="6717EF5EA995FF70292BC4D3FD6DFA5B" box="[544,708,1438,1464]" pageId="149" pageNumber="150">MGUH 33281</specimenCode>
is a nearly complete part and counterpart of an external mould collected by
<collectorName id="9A4422F3A995FF702A2CC48FFE7FFA3F" box="[295,470,1474,1500]" pageId="149" pageNumber="150">A. Rosenkrantz</collectorName>
in
<date id="430F61E5A995FF702AF1C48FFD27FA3F" box="[506,654,1474,1500]" pageId="149" pageNumber="150" value="1924-08">
<collectingDate id="534B980DA995FF702AF1C48FFD27FA3F" box="[506,654,1474,1500]" pageId="149" pageNumber="150" value="1924-08">August 1924</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="87D94D78A995FF702991C48EFE7AF9E3" ID-GBIF-Occurrence="2413160806" collectingDate="1924-08" collectionCode="MGUH" collectorName="A. Rosenkrantz" pageId="149" pageNumber="150" specimenCode="MGUH 33282" specimenCount="1" typeStatus="paratype">
<typeStatus id="E80AF987A995FF702991C48EFD55FA3E" box="[666,764,1475,1501]" pageId="149" pageNumber="150" type="paratype">Paratype</typeStatus>
<specimenCode id="6717EF5EA995FF70280FC48FFC0EFA3F" box="[772,935,1474,1500]" collectionCode="MGUH" country="Denmark" httpUri="http://grbio.org/cool/c1ae-v64p" name="Museum Geologicum Universitatis Hafniensis" pageId="149" pageNumber="150">MGUH 33282</specimenCode>
is an external mould from the same stratum and locality as the holotype.
</materialsCitation>
</paragraph>
<paragraph id="370E4725A995FF702BCCC744FD43F9AB" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702BCCC744FE13F9C7" bold="true" box="[199,442,1545,1572]" pageId="149" pageNumber="150">Additional material.</emphasis>
<materialsCitation id="87D94D78A995FF702ACAC747FD43F9AB" ID-GBIF-Occurrence="2413160804" pageId="149" pageNumber="150">
12 external and internal moulds of the teleoconch are found in the uncatalogued old collections of the Natural History Museum of
<collectingCountry id="4FA607B5A995FF702971C763FD4FF9AB" box="[634,742,1582,1608]" name="Denmark" pageId="149" pageNumber="150">Denmark</collectingCountry>
.
</materialsCitation>
</paragraph>
<paragraph id="370E4725A995FF702BCCC71FFF71F973" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702BCCC71FFD9FF98F" bold="true" box="[199,566,1617,1644]" pageId="149" pageNumber="150">
<typeStatus id="E80AF987A995FF702BCCC71FFEABF98F" box="[199,258,1618,1644]" pageId="149" pageNumber="150">Type</typeStatus>
stratum and
<typeStatus id="E80AF987A995FF702AABC71FFE7AF98F" box="[416,467,1618,1644]" pageId="149" pageNumber="150">type</typeStatus>
locality.
</emphasis>
The
<taxonomicName id="F0B13CA6A995FF702966C71FFC69F98F" authority="Limestone Member" authorityName="Gilleaudeau et al." authorityYear="2018" box="[621,960,1618,1644]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="149" pageNumber="150" phylum="Mollusca" rank="genus">Cerithium Limestone Member</taxonomicName>
from just south of the Stevns Fyr at Stevns Klint.
</paragraph>
<paragraph id="370E4725A995FF702BCCC7D4FC6CF91F" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702BCCC7D4FEF3F957" bold="true" box="[199,346,1689,1716]" pageId="149" pageNumber="150">Occurrence.</emphasis>
Rare in the
<taxonomicName id="F0B13CA6A995FF702AD6C7D7FC98F957" authority="Limestone Member" authorityName="Gilleaudeau et al." authorityYear="2018" box="[477,817,1690,1716]" class="Gastropoda" family="Cerithiidae" genus="Cerithium" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageId="149" pageNumber="150" phylum="Mollusca" rank="genus">Cerithium Limestone Member</taxonomicName>
, where it has been found at Skeldervig, Harvig, Højerup and just south of Stevns Fyr at Stevns Klint. A specimen from the contemporaneous dead layer in Dania Quarry, Northern Jutland, has been examined in the collections of K.I. Schnetler.
</paragraph>
<paragraph id="370E4725A995FF702BCCC648FA8AF853" blockId="149.[151,1437,1257,2040]" pageId="149" pageNumber="150">
<emphasis id="05C59B37A995FF702BCCC648FEF0F8C3" bold="true" box="[199,345,1797,1824]" pageId="149" pageNumber="150">Description.</emphasis>
Protoconch moderately low, conical, multispiral, consisting of convex whorls separated by deep suture. Initial 3 ½ whorls smooth, succeeded by weakly carinated whorl with approximately 18 weak, but sharp, slightly opisthocline and distinctly opisthocyrt transverse ribs. Spiral cords weak but present.Apex of U-shaped and widely open growth line sinus and corresponding trajectory of transverse ribs located adapically of carina. Transition to teleoconch rather gradual. Embryonic smooth part of protoconch
<quantity id="F049EAC0A995FF7028CFC6DBFBB3F852" box="[964,1050,1942,1969]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="149" pageNumber="150" unit="mm" value="1.2">1.2 mm</quantity>
high and
<quantity id="F049EAC0A995FF702F82C6D8FB76F852" box="[1161,1247,1941,1969]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="149" pageNumber="150" unit="mm" value="1.5">1.5 mm</quantity>
wide.
</paragraph>
<paragraph id="370E4725A995FF732BCCC6F7FAF3FEFC" blockId="149.[151,1437,1257,2040]" lastBlockId="150.[151,1437,153,863]" lastPageId="150" lastPageNumber="151" pageId="149" pageNumber="150">Teleoconch strongly elongate pagodiform in outline. Whorls relatively low, their height corresponding to 2/5 their width; whorls characterized by strongly developed median and flange-like peripheral carina, serration turned outwards to slightly adapically. Carina adapically bordered by an angularly concave shoulder slope with a nearly horizontal outer part and a slightly narrower inner part parallel to the axis. Aperture moderately wide and long, tapering evenly towards poorly differentiated narrow siphonal canal; combined height corresponding to 3/5 the shell height. Columella straight and smooth, with very weak central columellar plait. Outer lip apparently smooth.</paragraph>
<paragraph id="370E4725A996FF732BCCC064FB5BFDF8" blockId="150.[151,1437,153,863]" pageId="150" pageNumber="151">Teleoconch sculpture consisting of sharp opisthocline and opisthocyrt transverse ribs and finer spiral cords. Transverse ribs rather weak, thread-like on shoulder slope to sometimes completely effaced, becoming stronger around whorl periphery, forming toothed carinal margin. Transverse ribs fade out on adapical part of base. Spiral cords or threads mostly present on base and canal, where they form a more or less dense surface sculpture. Generally three spiral threads are seen on abapical part of early spire whorls, increasing on later whorls. The shoulder slope is generally free of spiral sculpture, but may carry a single lamellar spiral rib just inside carina. Growth line sinus wide, U-shaped and shallow; its apex located at transition between inner and outer slope area.</paragraph>
<paragraph id="370E4725A996FF732BCCC368FDCDFD80" blockId="150.[151,1437,153,863]" pageId="150" pageNumber="151">
<emphasis id="05C59B37A996FF732BCCC368FED7FDDC" bold="true" box="[199,382,549,575]" pageId="150" pageNumber="151">Measurements.</emphasis>
<typeStatus id="E80AF987A996FF732A83C368FE59FDDC" box="[392,496,549,575]" pageId="150" pageNumber="151" type="holotype">Holotype</typeStatus>
<collectionCode id="51A0DFE0A996FF732AF7C368FDFBFDDC" box="[508,594,549,575]" country="Denmark" httpUri="http://grbio.org/cool/c1ae-v64p" name="Museum Geologicum Universitatis Hafniensis" pageId="150" pageNumber="151">MGUH</collectionCode>
33281 is approximately
<quantity id="F049EAC0A996FF732873C368FC49FDDC" box="[888,992,549,575]" metricMagnitude="-2" metricUnit="m" metricValue="1.27" pageId="150" pageNumber="151" unit="mm" value="12.7">12.7 mm</quantity>
high and 6.0 mm wide, consisting of around 6 ½ whorls, protoconch included.
</paragraph>
<paragraph id="370E4725A996FF732BCCC320FE18FCBC" blockId="150.[151,1437,153,863]" pageId="150" pageNumber="151">
<emphasis id="05C59B37A996FF732BCCC320FE92FD64" bold="true" box="[199,315,621,647]" pageId="150" pageNumber="151">Remarks.</emphasis>
<taxonomicName id="F0B13CA6A996FF732A4DC320FD35FD64" authority="Hansen, 2019" authorityName="Hansen" authorityYear="2019" box="[326,668,621,647]" class="Gastropoda" family="Turridae" genus="Pseudocochlespira" higherTaxonomySource="GBIF" kingdom="Animalia" order="Neogastropoda" pageId="150" pageNumber="151" phylum="Mollusca" rank="species" species="transversa" status="sp. nov.">
<emphasis id="05C59B37A996FF732A4DC320FD35FD64" box="[326,668,621,647]" italics="true" pageId="150" pageNumber="151">Pseudocochlespira transversa</emphasis>
</taxonomicName>
<emphasis id="05C59B37A996FF7329ACC320FD40FD64" bold="true" box="[679,745,621,647]" pageId="150" pageNumber="151">
<taxonomicNameLabel id="1EF6264CA996FF7329ACC320FD40FD64" box="[679,745,621,647]" pageId="150" pageNumber="151" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from the Selandian
<taxonomicName id="F0B13CA6A996FF732F24C323FAF2FD64" authority="(Ravn, 1939)" baseAuthorityName="Ravn" baseAuthorityYear="1939" box="[1071,1371,621,647]" class="Gastropoda" family="Belomitridae" genus="Surcula" higherTaxonomySource="CoL" kingdom="Animalia" order="Neogastropoda" pageId="150" pageNumber="151" phylum="Mollusca" rank="species" species="boeggildi">
<emphasis id="05C59B37A996FF732F24C323FB10FD64" box="[1071,1209,621,647]" italics="true" pageId="150" pageNumber="151">P. boeggildi</emphasis>
(
<bibRefCitation id="53203AD4A996FF732FC0C320FAFAFD64" author="Ravn, J. P. J." box="[1227,1363,621,647]" pageId="150" pageNumber="151" pagination="1 - 106" refId="ref138409" refString="Ravn, J. P. J. (1939) Etudes sur les mollusques du Paleocene de Copenhague. Det Kongelige Danske Videnskabernes Selskab. Biologiske Skrifter, 1 (1), 1 - 106 pp., pls. 1 - 4." type="book chapter" year="1939">Ravn, 1939</bibRefCitation>
)
</taxonomicName>
from
<collectingCountry id="4FA607B5A996FF732B9CC3DCFF56FD48" box="[151,255,657,683]" name="Denmark" pageId="150" pageNumber="151">Denmark</collectingCountry>
by a more pronounced carina and the obtuse protoconch with its deeper suture. It strongly resembles the Selandian
<taxonomicName id="F0B13CA6A996FF732A07C3FBFD2CFD2C" authority="(Arkhanguelsky, 1904)" baseAuthorityName="Arkhanguelsky" baseAuthorityYear="1904" box="[268,645,693,719]" class="Gastropoda" family="Turridae" genus="Pseudocochlespira" higherTaxonomySource="GBIF" kingdom="Animalia" order="Neogastropoda" pageId="150" pageNumber="151" phylum="Mollusca" rank="species" species="koeneni">
<emphasis id="05C59B37A996FF732A07C3FBFED4FD2C" box="[268,381,693,719]" italics="true" pageId="150" pageNumber="151">P. koeneni</emphasis>
(
<bibRefCitation id="53203AD4A996FF732A80C3F8FDD5FD2C" author="Arkhanguelsky, A. D." box="[395,636,693,719]" pageId="150" pageNumber="151" pagination="1 - 207" refId="ref124515" refString="Arkhanguelsky, A. D. (1904) Paleotsenovye otlozhenya Saratovskogo Povolzhya i ikh fauna (Palaozane Ablagerungen in der Umgebung von Saratow und ihre Fauna). Materialien zur Geologie Russlands, 22, 1 - 207. [in Russian]" type="journal article" year="1904">Arkhanguelsky, 1904</bibRefCitation>
)
</taxonomicName>
from
<collectingCountry id="4FA607B5A996FF7329C3C3F8FC99FD2C" box="[712,816,693,719]" name="Denmark" pageId="150" pageNumber="151">Denmark</collectingCountry>
and
<collectingCountry id="4FA607B5A996FF73286EC3F8FC1BFD2C" box="[869,946,693,719]" name="Russia" pageId="150" pageNumber="151">Russia</collectingCountry>
, but differs from it by the moderately developed spiral sculpture and by the less opisthocline and carinated nature of the transverse ribs on the last protoconch whorl. It differs from the Selandian
<taxonomicName id="F0B13CA6A996FF73292EC3B3FCD7FCF4" authority="Schnetler, 2001" authorityName="Schnetler" authorityYear="2001" box="[549,894,765,791]" class="Gastropoda" family="Cerithiopsidae" genus="Cerithiopsis" kingdom="Animalia" pageId="150" pageNumber="151" phylum="Mollusca" rank="species" species="rosenkrantzi">
<emphasis id="05C59B37A996FF73292EC3B3FD62FCF4" box="[549,715,765,791]" italics="true" pageId="150" pageNumber="151">P. rosenkrantzi</emphasis>
Schnetler, 2001
</taxonomicName>
from
<collectingCountry id="4FA607B5A996FF7328CAC3B0FB80FCF4" box="[961,1065,765,791]" name="Denmark" pageId="150" pageNumber="151">Denmark</collectingCountry>
by the more obtuse outline of the protoconch and the sharp transverse ribs and stronger spiral cords on the teleoconch whorls. The growth lines are furthermore less oblique.
</paragraph>
</subSubSection>
</treatment>
</document>