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<document id="5A11FB58F86AF4ACCD51EA934C2DBDDF" ID-CLB-Dataset="4091" ID-DOI="10.5852/ejt.2021.771.1503" ID-GBIF-Dataset="d4ff05b4-fdac-44e8-8c2e-0733a93169a0" ID-ISSN="2118-9773" ID-Zenodo-Dep="5536097" ID-ZooBank="9FAB6919-E4AC-44A6-89AB-2E236F55FDB5" IM.bibliography_approvedBy="admin" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="admin" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="admin" IM.treatments_approvedBy="admin" checkinTime="1632918688925" checkinUser="felipe" docAuthor="Korn, Dieter &amp; Bockwinkel, Jürgen" docDate="2021" docId="03BAFC02FFE0FFF121F6F9149962DCF9" docLanguage="en" docName="ejt-771_1-79.pdf" docOrigin="European Journal of Taxonomy 771" docSource="http://dx.doi.org/10.5852/ejt.2021.771.1503" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Pharciceras tridens" docType="treatment" docVersion="17" lastPageNumber="23" masterDocId="FF83847AFFF2FFE7202DFF919C26DD0B" masterDocTitle="The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)" masterLastPageNumber="79" masterPageNumber="1" pageNumber="19" updateTime="1699416198321" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="283331784B7DA48E481AC1963A9E6D1C">The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)</mods:title>
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<mods:namePart id="BF82D972D8092785843B9B4512FE1F2F">Korn, Dieter</mods:namePart>
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<mods:affiliation id="67BF3A5CC667618196C5351F7A35F4D7">Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.</mods:affiliation>
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<treatment id="03BAFC02FFE0FFF121F6F9149962DCF9" ID-DOI="http://doi.org/10.5281/zenodo.8353611" ID-GBIF-Taxon="188606894" ID-Zenodo-Dep="8353611" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9" httpUri="http://treatment.plazi.org/id/03BAFC02FFE0FFF121F6F9149962DCF9" lastPageId="22" lastPageNumber="23" pageId="18" pageNumber="19">
<subSubSection id="C3091E9FFFE0FFF521F6F914987EDBAB" box="[475,1112,1669,1696]" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="8BAC4D14FFE0FFF521F6F914987EDBAB" blockId="18.[475,1112,1669,1730]" box="[475,1112,1669,1696]" pageId="18" pageNumber="19">
<heading id="D0E4FA78FFE0FFF521F6F914987EDBAB" box="[475,1112,1669,1696]" centered="true" fontSize="11" level="2" pageId="18" pageNumber="19" reason="2">
<taxonomicName id="4C133697FFE0FFF521F6F914987EDBAB" ID-CoL="6V938" authority="(Sandberger &amp; Sandberger, 1850)" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[475,1112,1669,1696]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE0FFF521F6F9149EE0DBAB" bold="true" box="[475,710,1669,1696]" italics="true" pageId="18" pageNumber="19">Pharciceras tridens</emphasis>
(
<bibRefCitation id="EF8230E5FFE0FFF522F8F9179876DBAB" author="Sandberger G. &amp; Sandberger F." box="[725,1104,1669,1696]" pageId="18" pageNumber="19" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850</bibRefCitation>
)
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3091E9FFFE0FFF522BCF9399F85DBCA" box="[657,931,1703,1730]" pageId="18" pageNumber="19" type="description">
<paragraph id="8BAC4D14FFE0FFF522BCF9399F85DBCA" blockId="18.[475,1112,1669,1730]" box="[657,931,1703,1730]" pageId="18" pageNumber="19">
<figureCitation id="13285191FFE0FFF522BCF9399F3EDBCA" box="[657,792,1703,1730]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="20.[189,232,932,958]" captionStartId-1="20.[189,232,1895,1921]" captionStartId-2="21.[189,232,1891,1917]" captionTargetBox-0="[454,1130,689,879]" captionTargetBox-1="[248,1330,1120,1849]" captionTargetBox-2="[190,1398,1386,1852]" captionTargetId-0="figure-164@20.[451,1137,687,880]" captionTargetId-1="figure-219@20.[248,1340,1118,1853]" captionTargetId-2="figure-182@21.[189,1398,1386,1852]" captionTargetPageId-0="20" captionTargetPageId-1="20" captionTargetPageId-2="21" captionText-0="Fig. 14. Pharciceras tridens (Sandberger &amp; Sandberger, 1850), lectotype 29 (Wiesbaden Museum) from Oberscheld; photograph and reproduction of the figure in Sandberger &amp; Sandberger (1850–1856: pl. 4 fig. 2). Scale bar units = 1 mm." captionText-1="Fig. 15. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.3647 (Ahlburg Coll.) from Oberscheld (Königszug Mine). C. Specimen MB.C.3663 (Ahlburg Coll.) from Oberscheld (Königszug Mine). D. Specimen MB.C.3634 (Ahlburg Coll.) from Oberscheld (Königszug Mine). Scale bar units = 1 mm." captionText-2="Fig. 16. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Suture line of specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine), at dm =48.5 mm, ww =19.0 mm, wh=18.0 mm. B–E. Ontogeneric trajectories of the cardinal conch parameters. Abbreviations: see Material and methods. Scale bar units = 1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.5536145" figureDoi-1="http://doi.org/10.5281/zenodo.5536147" figureDoi-2="http://doi.org/10.5281/zenodo.5536151" httpUri-0="https://zenodo.org/record/5536145/files/figure.png" httpUri-1="https://zenodo.org/record/5536147/files/figure.png" httpUri-2="https://zenodo.org/record/5536151/files/figure.png" pageId="18" pageNumber="19">Figs 14–16</figureCitation>
; 
<tableCitation id="C69178AFFFE0FFF5230EF9399F85DBCA" box="[803,931,1703,1730]" captionStart-0="Table 6" captionStart-1="Table 7" captionStartId-0="21.[189,258,265,291]" captionStartId-1="21.[189,258,633,659]" captionTargetBox-0="[215,1375,369,562]" captionTargetBox-1="[198,1387,709,901]" captionTargetPageId-0="21" captionTargetPageId-1="21" captionText-0="Table 6. Conch dimensions (partly reconstructed) and ratios of selected specimens of Pharciceras tridens (Sandberger &amp; Sandberger, 1850)." captionText-1="Table 7. Conch ontogeny of Pharciceras tridens (Sandberger &amp; Sandberger, 1850)." httpUri-0="http://table.plazi.org/id/DF6C1D9CFFE7FFF22090FE989E8FDC4C" httpUri-1="http://table.plazi.org/id/DF6C1D9CFFE7FFF22090FDE898B6DF9F" pageId="18" pageNumber="19" tableUuid-0="DF6C1D9CFFE7FFF22090FE989E8FDC4C" tableUuid-1="DF6C1D9CFFE7FFF22090FDE898B6DF9F">Tables 6–7</tableCitation>
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<paragraph id="8BAC4D14FFE0FFF52090F9799FEFDA09" blockId="18.[189,969,1768,1795]" box="[189,969,1768,1795]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB036A3AFFE0FFF52090F9799FEFDA09" box="[189,969,1768,1795]" pageId="18" pageNumber="19">
<treatmentCitation id="0AB26B05FFE0FFF52090F9799F19DA09" author="Sandberger G. &amp; Sandberger F." box="[189,831,1768,1795]" page="66" pageId="18" pageNumber="19" year="1850">
<taxonomicName id="4C133697FFE0FFF52090F9799F19DA09" authority="Sandberger &amp; Sandberger, 1850: 66" authorityName="Sandberger &amp; Sandberger" authorityPageNumber="66" authorityYear="1850" box="[189,831,1768,1795]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" order="Ammonoidea" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE0FFF52090F9799DB6DA09" box="[189,400,1768,1794]" italics="true" pageId="18" pageNumber="19">Goniatites tridens</emphasis>
<bibRefCitation id="EF8230E5FFE0FFF521BAF9799F19DA09" author="Sandberger G. &amp; Sandberger F." box="[407,831,1768,1795]" pageId="18" pageNumber="19" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850: 66</bibRefCitation>
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, pl. 4 fig. 2.
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</paragraph>
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<taxonomicName id="4C133697FFE0FFF52090F8B99D82DA49" ID-CoL="6V938" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[189,420,1832,1858]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE0FFF52090F8B99D82DA49" box="[189,420,1832,1858]" italics="true" pageId="18" pageNumber="19">Pharciceras tridens</emphasis>
</taxonomicName>
– Hyatt 1884: 336. — 
<bibRefCitation id="EF8230E5FFE0FFF5229EF8B89F5DDA49" author="Matern H." box="[691,891,1832,1859]" pageId="18" pageNumber="19" pagination="1 - 139" refId="ref36800" refString="Matern H. 1931. Das Oberdevon der Dill-Mulde. Abhandlungen der Preussischen Geologischen Landesanstalt, Neue Folge 134: 1 - 139." type="journal article" year="1931">Matern 1931: 93</bibRefCitation>
. — Korn &amp; 
<bibRefCitation id="EF8230E5FFE0FFF52421F8B998ABDA49" author="Klug C. &amp; Korn D." box="[1036,1165,1832,1858]" pageId="18" pageNumber="19" pagination="917 - 931" refId="ref36274" refString="Klug C. &amp; Korn D. 2002. Occluded umbilicus in the Pinacitinae (Devonian) and its palaeoecological implications. Palaeontology 45: 917 - 931. https: // doi. org / 10.1111 / 1475 - 4983.00268" type="journal article" year="2002">Klug 2002</bibRefCitation>
: text-fig. 131.
</paragraph>
<paragraph id="8BAC4D14FFE0FFF52090F8DB98E0DA6F" blockId="18.[189,1327,1832,1893]" box="[189,1222,1866,1893]" pageId="18" pageNumber="19">
<taxonomicName id="4C133697FFE0FFF52090F8DB9D8EDA6F" baseAuthorityName="Sandberger" baseAuthorityYear="1844" box="[189,424,1866,1892]" class="Cephalopoda" family="Prolecanitidae" genus="Prolecanites" kingdom="Animalia" order="Ammonoidea" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE0FFF52090F8DB9D8EDA6F" box="[189,424,1866,1892]" italics="true" pageId="18" pageNumber="19">Prolecanites tridens</emphasis>
</taxonomicName>
– 
<bibRefCitation id="EF8230E5FFE0FFF521EBF8DB9EAFDA6F" author="Frech F." box="[454,649,1866,1892]" pageId="18" pageNumber="19" refId="ref35763" refString="Frech F. 1897 - 1902. Lethaea geognostica oder Beschreibung und Abbildung der fur die Gebirgs- Formationen bezeichnendsten Versteinerungen. I. Theil. Lethaea palaeozoica. 2. Band. Schweizerbart, Stuttgart. https: // doi. org / 10.5962 / bhl. title. 25536" type="journal volume" year="1897">Frech 1897: 177</bibRefCitation>
e, figs 1f, 2a; 1902: 64, text-fig. 21a, pl. 3 fig. 12.
</paragraph>
<paragraph id="8BAC4D14FFE0FFF52090F81A9FECDAAF" blockId="18.[189,1399,1930,2024]" box="[189,970,1930,1957]" pageId="18" pageNumber="19">
non 
<taxonomicName id="4C133697FFE0FFF520DDF81A9F67DAAE" authority="Sandberger &amp; Sandberger 1850" authorityName="Sandberger &amp; Sandberger" authorityYear="1850" box="[240,833,1930,1957]" class="Cephalopoda" family="Goniatitidae" genus="Goniatites" kingdom="Animalia" order="Ammonoidea" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE0FFF520DDF81A9DE5DAAF" box="[240,451,1930,1957]" italics="true" pageId="18" pageNumber="19">Goniatites tridens</emphasis>
<bibRefCitation id="EF8230E5FFE0FFF521E6F81B9F67DAAE" author="Sandberger G. &amp; Sandberger F." box="[459,833,1930,1957]" pageId="18" pageNumber="19" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger 1850</bibRefCitation>
</taxonomicName>
: pl. 9 fig. 2.
</paragraph>
<paragraph id="8BAC4D14FFE0FFF52090F83C9E11DAE3" blockId="18.[189,1399,1930,2024]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB036A3AFFE0FFF52090F83C9E11DAE3" pageId="18" pageNumber="19">
non 
<taxonomicName id="4C133697FFE0FFF520DDF83D9DF0DACD" ID-CoL="6V938" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[240,470,1964,1990]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="18" pageNumber="19" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE0FFF520DDF83D9DF0DACD" box="[240,470,1964,1990]" italics="true" pageId="18" pageNumber="19">Pharciceras tridens</emphasis>
</taxonomicName>
– 
<treatmentCitation id="0AB26B05FFE0FFF521DEF83D9E81DACD" author="Frech F." box="[499,679,1964,1990]" page="29" pageId="18" pageNumber="19" year="1888">
<bibRefCitation id="EF8230E5FFE0FFF521DEF83D9E81DACD" author="Frech F." box="[499,679,1964,1990]" pageId="18" pageNumber="19" pagination="223 - 258" refId="ref35735" refString="Frech F. 1888. Geologie der Umgebung von Haiger bei Dillenburg (Nassau). Abhandlungen der Koniglich Preussischen Geologischen Landesanstalt 8: 223 - 258." type="journal article" year="1888">Frech 1888: 29</bibRefCitation>
</treatmentCitation>
, pl. 2 fig. 5. — 
<treatmentCitation id="0AB26B05FFE0FFF52376F83D9876DACD" author="Wedekind R." box="[859,1104,1964,1990]" page="128" pageId="18" pageNumber="19" year="1918">
<bibRefCitation id="EF8230E5FFE0FFF52376F83D9876DACD" author="Wedekind R." box="[859,1104,1964,1990]" pageId="18" pageNumber="19" pagination="85 - 184" refId="ref37300" refString="Wedekind R. 1918. Die Genera der Palaeoammonoidea (Goniatiten). Mit Ausschluss der Mimoceratidae, Glyphioceratidae und Prolecanitidae. Palaeontographica 62: 85 - 184." type="journal article" year="1918">Wedekind 1918: 128</bibRefCitation>
</treatmentCitation>
, text-fig. 37a. — Korn &amp; 
<bibRefCitation id="EF8230E5FFE0FFF520C7F85F9D4DDAE3" author="Klug C. &amp; Korn D." box="[234,363,1998,2024]" pageId="18" pageNumber="19" pagination="917 - 931" refId="ref36274" refString="Klug C. &amp; Korn D. 2002. Occluded umbilicus in the Pinacitinae (Devonian) and its palaeoecological implications. Palaeontology 45: 917 - 931. https: // doi. org / 10.1111 / 1475 - 4983.00268" type="journal article" year="2002">Klug 2002</bibRefCitation>
: text-fig. 134a, h.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090FE989DCEDCB0" blockId="19.[189,1399,265,443]" pageId="19" pageNumber="20">
? 
<taxonomicName id="4C133697FFE1FFF420FFFE989D9CDC28" ID-CoL="6V938" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[210,442,265,291]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="19" pageNumber="20" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE1FFF420FFFE989D9CDC28" box="[210,442,265,291]" italics="true" pageId="19" pageNumber="20">Pharciceras tridens</emphasis>
</taxonomicName>
– 
<bibRefCitation id="EF8230E5FFE1FFF421F5FE989ED9DC2F" author="Termier G. &amp; Termier H." box="[472,767,265,292]" pageId="19" pageNumber="20" pagination="1 - 246" refId="ref37079" refString="Termier G. &amp; Termier H. 1950. Paleontologie Marocaine. II. Invertebres de l'ere Primaire. Fascicule III. Mollusques. Notes et memoires, Service geologique, Protectorat de la Republique francaise au Maroc, Direction de la Production industrielle et des Mines, Division des Mines et de la Geologie Republique francaise Maroc 78: 1 - 246." type="journal article" year="1950">Termier &amp; Termier 1950</bibRefCitation>
: pl. 150 figs 31–32, 34–36. — 
<bibRefCitation id="EF8230E5FFE1FFF42442FE9B9912DC28" author="Petter G." box="[1135,1332,265,292]" pageId="19" pageNumber="20" pagination="1 - 313" refId="ref36945" refString="Petter G. 1959. Goniatites devoniennes du Sahara. Publications du Service de la Carte geologique de l'Algerie (nouvelle serie), Paleontologie 2: 1 - 313." type="journal article" year="1959">Petter 1959: 133</bibRefCitation>
, pl. 7 figs 10, 12, 12a, text-figs 18, 33k. — 
<bibRefCitation id="EF8230E5FFE1FFF4228DFEBE9FA6DC42" author="Bogoslovsky B. I." box="[672,896,303,329]" pageId="19" pageNumber="20" pagination="1 - 341" refId="ref35556" refString="Bogoslovsky B. I. 1969. Devonskie ammonoidei. I. Agoniatity. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR 124: 1 - 341." type="journal article" year="1969">Bogoslovsky 1969</bibRefCitation>
: pl. 26 fig. 1, text-fig. 69b. — 
<bibRefCitation id="EF8230E5FFE1FFF424CEFEBE9D95DC64" author="Kullmann J. &amp; Ziegler W." pageId="19" pageNumber="20" pagination="73 - 85" refId="ref36701" refString="Kullmann J. &amp; Ziegler W. 1970. Conodonten und Goniatiten von der Grenze Mittel- / Oberdevon aus dem Profil am Martenberg (Ostrand des Rheinischen Schiefergebirges). Geologica et Palaeontologica 4: 73 - 85." type="journal article" year="1970">Kullmann &amp; Ziegler 1970: 77</bibRefCitation>
, pl. 1 figs 2–3, text-figs 2a, 3a, 4. — 
<bibRefCitation id="EF8230E5FFE1FFF42342FEC59869DC64" author="Bensaid M." box="[879,1103,340,367]" pageId="19" pageNumber="20" pagination="82 - 137" refId="ref35053" refString="Bensaid M. 1974. Etude sur des Goniatites a la limite du Devonien moyen et superieur, du Sud marocain. Notes du Service geologique du Maroc 36: 82 - 137." type="journal article" year="1974">Bensaïd 1974: 110</bibRefCitation>
, pl. 4 fig. 8, pl. 5 fig. 11, text-figs 7, 18, 19c. — 
<bibRefCitation id="EF8230E5FFE1FFF421D4FEEB9EC3DC9F" author="Goddertz B." box="[505,741,378,404]" pageId="19" pageNumber="20" pagination="127 - 220" refId="ref35872" refString="Goddertz B. 1987. Devonische Goniatiten aus SW-Algerien und ihre stratigraphische Einordnung in die Conodonten-Abfolge. Palaeontographica Abteilung A 197: 127 - 220." type="journal article" year="1987">Göddertz 1987: 181</bibRefCitation>
, pl. 13 figs 3–4, text-fig. 29. — 
<bibRefCitation id="EF8230E5FFE1FFF42470FEEB9D2CDCB1" author="Bockwinkel J. &amp; Becker R. T. &amp; Ebbighausen V." pageId="19" pageNumber="20" pagination="61 - 128" refId="ref35254" refString="Bockwinkel J., Becker R. T. &amp; Ebbighausen V. 2009. Upper Givetian ammonoids from Dar Kaoua (Tafilalt, SE Anti-Atlas, Morocco). Berliner palaobiologische Abhandlungen 10: 61 - 128." type="journal article" year="2009">
Bockwinkel 
<emphasis id="B9679106FFE1FFF424DFFEEA9903DC9F" box="[1266,1317,378,404]" italics="true" pageId="19" pageNumber="20">et al</emphasis>
. 2009: 76
</bibRefCitation>
, text-figs 6a–g, 7a.
</paragraph>
</subSubSection>
<subSubSection id="C3091E9FFFE1FFF42090FE759DD7DE19" pageId="19" pageNumber="20" type="diagnosis">
<paragraph id="8BAC4D14FFE1FFF42090FE759D10DCF5" blockId="19.[189,310,484,510]" box="[189,310,484,510]" pageId="19" pageNumber="20">
<heading id="D0E4FA78FFE1FFF42090FE759D10DCF5" bold="true" box="[189,310,484,510]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9679106FFE1FFF42090FE759D10DCF5" bold="true" box="[189,310,484,510]" pageId="19" pageNumber="20">Diagnosis</emphasis>
</heading>
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090FD849DD7DE19" blockId="19.[189,1399,533,786]" pageId="19" pageNumber="20">
Species of 
<taxonomicName id="4C133697FFE1FFF4216DFD849DE8DF24" authorityName="Hyatt" authorityYear="1884" box="[320,462,533,559]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="19" pageNumber="20" phylum="Mollusca" rank="genus">
<emphasis id="B9679106FFE1FFF4216DFD849DE8DF24" box="[320,462,533,559]" italics="true" pageId="19" pageNumber="20">Pharciceras</emphasis>
</taxonomicName>
with thinly discoidal, subevolute conch at 
<quantity id="4CEBE0F1FFE1FFF423E1FD849839DF3B" box="[972,1055,533,560]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="19" pageNumber="20" unit="mm" value="30.0">30 mm</quantity>
dm (ww / dm ~ 0.45; uw/ dm ~0.42) and thinly discoidal, subevolute conch at 
<quantity id="4CEBE0F1FFE1FFF42320FDAA9F45DF5E" box="[781,867,571,598]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="19" pageNumber="20" unit="mm" value="50.0">50 mm</quantity>
dm (ww/ dm ~ 0.40; uw / dm ~ 0.40). Whorl profile weakly depressed at 
<quantity id="4CEBE0F1FFE1FFF42224FDF09E7BDF70" box="[521,605,609,635]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="19" pageNumber="20" unit="mm" value="30.0">30 mm</quantity>
dm (ww/ wh ~1.45) and weakly depressed at 
<quantity id="4CEBE0F1FFE1FFF424A8FDF198FFDF70" box="[1157,1241,608,635]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="19" pageNumber="20" unit="mm" value="50.0">50 mm</quantity>
dm (ww / wh ~ 1.20); whorl expansion rate low to moderate. Venter continuously rounded. Growth lines coarse, strongly biconvex; ventrolateral shoulder with two spiral grooves. Outer suture line with symmetric, lanceolate prongs of the external lobe, a tongue-shaped lateral lobe, a narrow U-shaped U 2 lobe, and a shallow and wide U 4 lobe.
</paragraph>
</subSubSection>
<subSubSection id="C3091E9FFFE1FFF42090FCAA9E8ED9D8" pageId="19" pageNumber="20" type="materials_examined">
<paragraph id="8BAC4D14FFE1FFF42090FCAA9D8CDE5E" blockId="19.[189,426,827,853]" box="[189,426,827,853]" pageId="19" pageNumber="20">
<heading id="D0E4FA78FFE1FFF42090FCAA9D8CDE5E" bold="true" box="[189,426,827,853]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9679106FFE1FFF42090FCAA9D8CDE5E" bold="true" box="[189,426,827,853]" pageId="19" pageNumber="20">Material examined</emphasis>
</heading>
</paragraph>
<paragraph id="8BAC4D14FFE1FFF420C7FCFC9E46DEF3" blockId="19.[189,1399,877,1017]" pageId="19" pageNumber="20">
<materialsCitation id="3B7B4749FFE1FFF420C7FCFC9E46DEF3" ID-GBIF-Occurrence="3382548385" country="Germany" location="Rhenish Mountains" pageId="19" pageNumber="20" specimenCount="1" typeStatus="lectotype">
<emphasis id="B9679106FFE1FFF420C7FCFC9D40DE8C" bold="true" box="[234,358,877,903]" pageId="19" pageNumber="20">
<typeStatus id="54A8F3B6FFE1FFF420C7FCFC9D40DE8C" box="[234,358,877,903]" pageId="19" pageNumber="20" type="lectotype">Lectotype</typeStatus>
</emphasis>
<collectingCountry id="F3040D84FFE1FFF42090FC029D77DEA6" box="[189,337,915,941]" name="Germany" pageId="19" pageNumber="20">GERMANY</collectingCountry>
• 
<location id="8ECC1BCFFFE1FFF4215BFC039E40DEA7" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9:8ECC1BCFFFE1FFF4215BFC039E40DEA7" box="[374,614,914,940]" country="Germany" name="Rhenish Mountains" pageId="19" pageNumber="20">Rhenish Mountains</location>
, 
<location id="8ECC1BCFFFE1FFF4225AFC039F26DEA7" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9:8ECC1BCFFFE1FFF4225AFC039F26DEA7" box="[631,768,914,940]" country="Germany" name="Oberscheld" pageId="19" pageNumber="20">Oberscheld</location>
; 
<geologicalTimeScale id="F933CDBFFFE1FFF4233EFC039F96DEA7" box="[787,944,914,940]" pageId="19" pageNumber="20">late Givetian</geologicalTimeScale>
(Red Ironstone); nr. 29 (Wiesbaden Museum); illustrated by 
<bibRefCitation id="EF8230E5FFE1FFF421C3FC299F5DDED8" author="Sandberger G. &amp; Sandberger F." box="[494,891,952,979]" pageId="19" pageNumber="20" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger (1850</bibRefCitation>
–1856: pl. 4 fig. 2), re-illustrated here in 
<figureCitation id="13285191FFE1FFF42090FC4F9D35DEF3" box="[189,275,990,1016]" captionStart="Fig" captionStartId="20.[189,232,932,958]" captionTargetBox="[454,1130,689,879]" captionTargetId="figure-164@20.[451,1137,687,880]" captionTargetPageId="20" captionText="Fig. 14. Pharciceras tridens (Sandberger &amp; Sandberger, 1850), lectotype 29 (Wiesbaden Museum) from Oberscheld; photograph and reproduction of the figure in Sandberger &amp; Sandberger (1850–1856: pl. 4 fig. 2). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536145" httpUri="https://zenodo.org/record/5536145/files/figure.png" pageId="19" pageNumber="20">Fig. 14</figureCitation>
; Wiesbaden Museum nr. 29.
</materialsCitation>
</paragraph>
<paragraph id="8BAC4D14FFE1FFF420C7FBB39DC7D937" blockId="19.[188,1398,1058,1236]" box="[234,481,1058,1084]" pageId="19" pageNumber="20">
<emphasis id="B9679106FFE1FFF420C7FBB39DC7D937" bold="true" box="[234,481,1058,1084]" pageId="19" pageNumber="20">Additional material</emphasis>
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090FBD99E8ED9D8" blockId="19.[188,1398,1058,1236]" pageId="19" pageNumber="20">
<materialsCitation id="3B7B4749FFE1FFF42090FBD99DC5D9A6" ID-GBIF-Occurrence="3382548346" collectionCode="MB" collectorName="Oberscheld &amp; Westfeld der Grube Konigszug &amp; Firste &amp; Red Ironstone" country="Germany" county="Givetian" elevation="135" location="Rhenish Mountains" municipality="Sohle" pageId="19" pageNumber="20" specimenCode="MB.C.3618, MB.C.3634, MB.C.3647, MB.C.3663, MB.C.3670" specimenCount="5">
<collectingCountry id="F3040D84FFE1FFF42090FBD99D77D969" box="[189,337,1096,1122]" name="Germany" pageId="19" pageNumber="20">GERMANY</collectingCountry>
• 
<specimenCount id="9D15869DFFE1FFF42145FBD99DDAD969" box="[360,508,1096,1123]" pageId="19" pageNumber="20" type="generic">5 specimens</specimenCount>
; 
<location id="8ECC1BCFFFE1FFF4222AFBD99EC9D969" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9:8ECC1BCFFFE1FFF4222AFBD99EC9D969" box="[519,751,1096,1122]" country="Germany" county="Givetian" municipality="Sohle" name="Rhenish Mountains" pageId="19" pageNumber="20">Rhenish Mountains</location>
, 
<location id="8ECC1BCFFFE1FFF422D4FBD99F59D969" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9:8ECC1BCFFFE1FFF422D4FBD99F59D969" box="[761,895,1096,1122]" country="Germany" county="Givetian" municipality="Sohle" name="Oberscheld" pageId="19" pageNumber="20">Oberscheld</location>
(Westfeld der Grube Königszug, Firste der 
<quantity id="4CEBE0F1FFE1FFF42091FBFC9D67D983" box="[188,321,1133,1160]" metricMagnitude="2" metricUnit="m" metricValue="1.35" metricValueMax="1.5" metricValueMin="1.2" pageId="19" pageNumber="20" unit="m" value="135.0" valueMax="150.0" valueMin="120.0">
<elevation id="003EAA27FFE1FFF42091FBFC9D67D983" box="[188,321,1133,1160]" metricMagnitude="2" metricUnit="m" metricValue="1.35" metricValueMax="1.5" metricValueMin="1.2" pageId="19" pageNumber="20" unit="m" value="135.0" valueMax="150.0" valueMin="120.0">120–150 m</elevation>
</quantity>
Sohle); 
<geologicalTimeScale id="F933CDBFFFE1FFF4218FFBFC9E1ED98C" box="[418,568,1133,1159]" pageId="19" pageNumber="20">late Givetian</geologicalTimeScale>
(Red Ironstone); Ahlburg Coll.; 
<specimenCode id="DBB5E56FFFE1FFF4239EFBFC9866D98C" box="[947,1088,1133,1159]" pageId="19" pageNumber="20">MB.C.3618</specimenCode>
, 
<specimenCode id="DBB5E56FFFE1FFF42461FBFC98FFD98C" box="[1100,1241,1133,1159]" pageId="19" pageNumber="20">MB.C.3634</specimenCode>
, 
<specimenCode id="DBB5E56FFFE1FFF424C9FBFC9957D98C" box="[1252,1393,1133,1159]" pageId="19" pageNumber="20">MB.C.3647</specimenCode>
, 
<specimenCode id="DBB5E56FFFE1FFF42091FB029D6FD9A6" box="[188,329,1171,1197]" pageId="19" pageNumber="20">MB.C.3663</specimenCode>
, 
<specimenCode id="DBB5E56FFFE1FFF42175FB029DC5D9A6" box="[344,483,1171,1197]" pageId="19" pageNumber="20">MB.C.3670</specimenCode>
</materialsCitation>
• 
<materialsCitation id="3B7B4749FFE1FFF4222CFB029E82D9D8" ID-GBIF-Occurrence="3382548312" collectionCode="MB" collectorName="Koch Coll." country="Germany" location="Rhenish Mountains" pageId="19" pageNumber="20" specimenCode="MB.C.3638" specimenCount="1">
<specimenCount id="9D15869DFFE1FFF4222CFB029EABD9A6" box="[513,653,1171,1197]" pageId="19" pageNumber="20" type="generic">1 specimen</specimenCount>
; 
<location id="8ECC1BCFFFE1FFF422B6FB029FA1D9A6" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9:8ECC1BCFFFE1FFF422B6FB029FA1D9A6" box="[667,903,1171,1197]" country="Germany" name="Rhenish Mountains" pageId="19" pageNumber="20">Rhenish Mountains</location>
, 
<location id="8ECC1BCFFFE1FFF423B8FB02983DD9A6" LSID="urn:lsid:plazi:treatment:03BAFC02FFE0FFF121F6F9149962DCF9:8ECC1BCFFFE1FFF423B8FB02983DD9A6" box="[917,1051,1171,1197]" country="Germany" name="Oberscheld" pageId="19" pageNumber="20">Oberscheld</location>
(Grube Anna); 
<geologicalTimeScale id="F933CDBFFFE1FFF424F1FB029950D9A6" box="[1244,1398,1171,1197]" pageId="19" pageNumber="20">late Givetian</geologicalTimeScale>
(Red Ironstone); 
<collectorName id="26E628C2FFE1FFF421A8FB289E2CD9D8" box="[389,522,1209,1235]" pageId="19" pageNumber="20">Koch Coll.</collectorName>
; 
<specimenCode id="DBB5E56FFFE1FFF4223BFB289E82D9D8" box="[534,676,1209,1235]" pageId="19" pageNumber="20">MB.C.3638</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C3091E9FFFE1FFF32090FB6C9F52DF57" lastPageId="20" lastPageNumber="21" pageId="19" pageNumber="20" type="description">
<paragraph id="8BAC4D14FFE1FFF42090FB6C9D68D81C" blockId="19.[189,334,1277,1303]" box="[189,334,1277,1303]" pageId="19" pageNumber="20">
<heading id="D0E4FA78FFE1FFF42090FB6C9D68D81C" bold="true" box="[189,334,1277,1303]" fontSize="11" level="3" pageId="19" pageNumber="20" reason="3">
<emphasis id="B9679106FFE1FFF42090FB6C9D68D81C" bold="true" box="[189,334,1277,1303]" pageId="19" pageNumber="20">Description</emphasis>
</heading>
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090FABF9F5ED843" blockId="19.[189,888,1326,1353]" box="[189,888,1326,1353]" pageId="19" pageNumber="20">Five specimens are selected for description and illustration:</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090FAE29ECAD8B9" blockId="19.[189,1399,1394,1458]" pageId="19" pageNumber="20">
<typeStatus id="54A8F3B6FFE1FFF42090FAE29D14D886" box="[189,306,1395,1421]" pageId="19" pageNumber="20" type="lectotype">Lectotype</typeStatus>
<quantity id="4CEBE0F1FFE1FFF42113FAE39D5BD887" box="[318,381,1394,1420]" metricMagnitude="-1" metricUnit="m" metricValue="7.366" pageId="19" pageNumber="20" unit="in" value="29.0">29 in</quantity>
the Wiesbaden Museum: Rather poorly preserved, corroded specimen with 
<quantity id="4CEBE0F1FFE1FFF4250DFAE39951D886" box="[1312,1399,1394,1421]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="19" pageNumber="20" unit="mm" value="26.0">26 mm</quantity>
conch diameter in iron-rich limestone (
<figureCitation id="13285191FFE1FFF422AAFA099EF8D8B9" box="[647,734,1432,1458]" captionStart="Fig" captionStartId="20.[189,232,932,958]" captionTargetBox="[454,1130,689,879]" captionTargetId="figure-164@20.[451,1137,687,880]" captionTargetPageId="20" captionText="Fig. 14. Pharciceras tridens (Sandberger &amp; Sandberger, 1850), lectotype 29 (Wiesbaden Museum) from Oberscheld; photograph and reproduction of the figure in Sandberger &amp; Sandberger (1850–1856: pl. 4 fig. 2). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536145" httpUri="https://zenodo.org/record/5536145/files/figure.png" pageId="19" pageNumber="20">Fig. 14</figureCitation>
).
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090FA4D9950D8FC" blockId="19.[189,1398,1500,1527]" box="[189,1398,1500,1527]" pageId="19" pageNumber="20">
MB.C.3618: incomplete specimen with 
<quantity id="4CEBE0F1FFE1FFF422A7FA4D9EFCD8FD" box="[650,730,1500,1527]" metricMagnitude="-2" metricUnit="m" metricValue="5.4" pageId="19" pageNumber="20" unit="mm" value="54.0">54 mm</quantity>
conch diameter in iron-rich micritic limestone (
<figureCitation id="13285191FFE1FFF424D3FA4D994FD8FC" box="[1278,1385,1500,1527]" captionStart="Fig" captionStartId="20.[189,232,1895,1921]" captionTargetBox="[248,1330,1120,1849]" captionTargetId="figure-219@20.[248,1340,1118,1853]" captionTargetPageId="20" captionText="Fig. 15. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.3647 (Ahlburg Coll.) from Oberscheld (Königszug Mine). C. Specimen MB.C.3663 (Ahlburg Coll.) from Oberscheld (Königszug Mine). D. Specimen MB.C.3634 (Ahlburg Coll.) from Oberscheld (Königszug Mine). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536147" httpUri="https://zenodo.org/record/5536147/files/figure.png" pageId="19" pageNumber="20">Fig. 15A</figureCitation>
).
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090F9B19ED6DB6B" blockId="19.[188,1399,1568,1632]" pageId="19" pageNumber="20">
MB.C.3647: incomplete specimen with 
<quantity id="4CEBE0F1FFE1FFF422A3F9B19EF9DB31" box="[654,735,1568,1594]" metricMagnitude="-2" metricUnit="m" metricValue="4.6" pageId="19" pageNumber="20" unit="mm" value="46.0">46 mm</quantity>
conch diameter in iron-rich micritic limestone with body chamber occupying the last volution (
<figureCitation id="13285191FFE1FFF4225AF9D49EC7DB6B" box="[631,737,1605,1632]" captionStart="Fig" captionStartId="20.[189,232,1895,1921]" captionTargetBox="[248,1330,1120,1849]" captionTargetId="figure-219@20.[248,1340,1118,1853]" captionTargetPageId="20" captionText="Fig. 15. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.3647 (Ahlburg Coll.) from Oberscheld (Königszug Mine). C. Specimen MB.C.3663 (Ahlburg Coll.) from Oberscheld (Königszug Mine). D. Specimen MB.C.3634 (Ahlburg Coll.) from Oberscheld (Königszug Mine). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536147" httpUri="https://zenodo.org/record/5536147/files/figure.png" pageId="19" pageNumber="20">Fig. 15B</figureCitation>
).
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090F9189892DBC1" blockId="19.[189,1398,1673,1738]" pageId="19" pageNumber="20">
MB.C.3663: Fully chambered but widely covered with shell, incomplete specimen with 
<quantity id="4CEBE0F1FFE1FFF424F8F91B990EDBAF" box="[1237,1320,1674,1700]" metricMagnitude="-2" metricUnit="m" metricValue="3.1" pageId="19" pageNumber="20" unit="mm" value="31.0">31 mm</quantity>
conch diameter in micritic, haematitic limestone, largely filled with sparry calcite (
<figureCitation id="13285191FFE1FFF42416F93E9880DBC1" box="[1083,1190,1711,1738]" captionStart="Fig" captionStartId="20.[189,232,1895,1921]" captionTargetBox="[248,1330,1120,1849]" captionTargetId="figure-219@20.[248,1340,1118,1853]" captionTargetPageId="20" captionText="Fig. 15. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.3647 (Ahlburg Coll.) from Oberscheld (Königszug Mine). C. Specimen MB.C.3663 (Ahlburg Coll.) from Oberscheld (Königszug Mine). D. Specimen MB.C.3634 (Ahlburg Coll.) from Oberscheld (Königszug Mine). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536147" httpUri="https://zenodo.org/record/5536147/files/figure.png" pageId="19" pageNumber="20">Fig. 15C</figureCitation>
).
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090F9629D66DA3F" blockId="19.[189,1398,1779,1844]" pageId="19" pageNumber="20">
MB.C.3634: incomplete specimen with 
<quantity id="4CEBE0F1FFE1FFF4229CF9629F2DDA05" box="[689,779,1779,1806]" metricMagnitude="-2" metricUnit="m" metricValue="2.7" pageId="19" pageNumber="20" unit="mm" value="27.0">27 mm</quantity>
conch diameter in micritic, haematitic limestone (
<figureCitation id="13285191FFE1FFF420EBF8889D15DA3F" box="[198,307,1817,1844]" captionStart="Fig" captionStartId="20.[189,232,1895,1921]" captionTargetBox="[248,1330,1120,1849]" captionTargetId="figure-219@20.[248,1340,1118,1853]" captionTargetPageId="20" captionText="Fig. 15. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.3647 (Ahlburg Coll.) from Oberscheld (Königszug Mine). C. Specimen MB.C.3663 (Ahlburg Coll.) from Oberscheld (Königszug Mine). D. Specimen MB.C.3634 (Ahlburg Coll.) from Oberscheld (Königszug Mine). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536147" httpUri="https://zenodo.org/record/5536147/files/figure.png" pageId="19" pageNumber="20">Fig. 15D</figureCitation>
).
</paragraph>
<paragraph id="8BAC4D14FFE1FFF42090F8CF988DDAE3" blockId="19.[188,1399,1885,2025]" pageId="19" pageNumber="20">
<typeStatus id="54A8F3B6FFE1FFF42090F8CF9D14DA73" box="[189,306,1886,1912]" pageId="19" pageNumber="20" type="lectotype">Lectotype</typeStatus>
29 is a specimen of less than 
<quantity id="4CEBE0F1FFE1FFF422A1F8CC9EF8DA73" box="[652,734,1885,1912]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="19" pageNumber="20" unit="mm" value="30.0">30 mm</quantity>
diameter and allows the study of conch shape and suture line of the preadult stage. The conch is discoidal and subevolute with a crescent-shaped whorl profile. The shell is largely removed and only at some parts preserved with rather coarse growth lines. The suture line has U-shaped prongs of the external lobe and a tongue-shaped lateral lobe.
</paragraph>
<paragraph id="8BAC4D14FFE6FFF32090FE989F2EDCBB" blockId="20.[189,1399,265,432]" pageId="20" pageNumber="21">
The 
<specimenCount id="9D15869DFFE6FFF320D8FE989D8CDC28" box="[245,426,265,291]" pageId="20" pageNumber="21" type="generic">four specimens</specimenCount>
MB.C.3634, MB.C.3663, MB.C.3647 and MB.C.3618 allow the study of conch geometry, ornament and suture line between 27 and 
<quantity id="4CEBE0F1FFE6FFF32377FEBD9F92DC4C" box="[858,948,300,327]" metricMagnitude="-2" metricUnit="m" metricValue="5.7" pageId="20" pageNumber="21" unit="mm" value="57.0">57 mm</quantity>
conch diameter. The general conch morphology is similar during this interval, but the conchs become slenderer (ww/ dm decreasing from ~0.47 to ~0.39), paralleled by flattening of the whorl profile (ww/ wh decreasing from ~1.45 to ~1.20). All specimens show double ventrolateral grooves.
</paragraph>
<paragraph id="8BAC4D14FFE6FFF32090FE469F52DF57" blockId="20.[189,1400,471,604]" pageId="20" pageNumber="21">
Specimen MB.C.3618 shows the suture line, which has a very wide external lobe with a median saddle attaining about 60% of the lobe depth and lanceolate prongs. The lateral lobe is much shorter than the external lobe; it is tongue-shaped with a narrowly rounded base. On the flanks and umbilical margin follow two very small, rounded umbilical lobes (
<figureCitation id="13285191FFE6FFF322D7FDD09F41DF57" box="[762,871,577,604]" captionStart="Fig" captionStartId="21.[189,232,1891,1917]" captionTargetBox="[190,1398,1386,1852]" captionTargetId="figure-182@21.[189,1398,1386,1852]" captionTargetPageId="21" captionText="Fig. 16. Pharciceras tridens (Sandberger &amp; Sandberger, 1850). A. Suture line of specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine), at dm =48.5 mm, ww =19.0 mm, wh=18.0 mm. B–E. Ontogeneric trajectories of the cardinal conch parameters. Abbreviations: see Material and methods. Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536151" httpUri="https://zenodo.org/record/5536151/files/figure.png" pageId="20" pageNumber="21">Fig. 16A</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="DF6C1D9CFFE6FFF32090FC359E0FD90D" ID-DOI="http://doi.org/10.5281/zenodo.5536145" ID-Zenodo-Dep="5536145" httpUri="https://zenodo.org/record/5536145/files/figure.png" pageId="20" pageNumber="21" startId="20.[189,232,932,958]" targetBox="[454,1130,689,879]" targetPageId="20">
<paragraph id="8BAC4D14FFE6FFF32090FC359E0FD90D" blockId="20.[188,1399,932,1030]" pageId="20" pageNumber="21">
<emphasis id="B9679106FFE6FFF32090FC359D3EDEB4" bold="true" box="[189,280,932,959]" pageId="20" pageNumber="21">Fig. 14.</emphasis>
<taxonomicName id="4C133697FFE6FFF32133FC349FB0DECB" authority="(Sandberger &amp; Sandberger, 1850)" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[286,918,933,960]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="20" pageNumber="21" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE6FFF32133FC349E22DEB4" box="[286,516,933,959]" italics="true" pageId="20" pageNumber="21">Pharciceras tridens</emphasis>
(
<bibRefCitation id="EF8230E5FFE6FFF3223CFC349FABDECB" author="Sandberger G. &amp; Sandberger F." box="[529,909,933,960]" pageId="20" pageNumber="21" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850</bibRefCitation>
)
</taxonomicName>
, lectotype 29 (Wiesbaden Museum) from Oberscheld; photograph and reproduction of the figure in 
<bibRefCitation id="EF8230E5FFE6FFF32344FC5998CFDEE8" author="Sandberger G. &amp; Sandberger F." box="[873,1257,968,995]" pageId="20" pageNumber="21" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger (1850</bibRefCitation>
–1856: pl. 4 fig. 2). Scale bar units = 1 mm.
</paragraph>
</caption>
<caption id="DF6C1D9CFFE6FFF32090F8F69950DAE0" ID-DOI="http://doi.org/10.5281/zenodo.5536147" ID-Zenodo-Dep="5536147" httpUri="https://zenodo.org/record/5536147/files/figure.png" pageId="20" pageNumber="21" startId="20.[189,232,1895,1921]" targetBox="[248,1330,1120,1849]" targetPageId="20">
<paragraph id="8BAC4D14FFE6FFF32090F8F69950DAE0" blockId="20.[189,1399,1895,2028]" pageId="20" pageNumber="21">
<emphasis id="B9679106FFE6FFF32090F8F69D38DA8A" bold="true" box="[189,286,1895,1921]" pageId="20" pageNumber="21">Fig. 15.</emphasis>
<taxonomicName id="4C133697FFE6FFF32104F8F69F98DA89" authority="(Sandberger &amp; Sandberger, 1850)" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[297,958,1895,1922]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="20" pageNumber="21" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE6FFF32104F8F69E33DA8A" box="[297,533,1895,1921]" italics="true" pageId="20" pageNumber="21">Pharciceras tridens</emphasis>
(
<bibRefCitation id="EF8230E5FFE6FFF32204F8F69F92DA89" author="Sandberger G. &amp; Sandberger F." box="[553,948,1895,1922]" pageId="20" pageNumber="21" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850</bibRefCitation>
)
</taxonomicName>
. 
<emphasis id="B9679106FFE6FFF323E0F8F69FC4DA8A" bold="true" box="[973,994,1895,1921]" pageId="20" pageNumber="21">A</emphasis>
. Specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine). 
<emphasis id="B9679106FFE6FFF322EDF81A9EF5DAAE" bold="true" box="[704,723,1931,1957]" pageId="20" pageNumber="21">B</emphasis>
. Specimen MB.C.3647 (Ahlburg Coll.) from Oberscheld (Königszug Mine). 
<emphasis id="B9679106FFE6FFF32182F83C9DE2DACC" bold="true" box="[431,452,1965,1991]" pageId="20" pageNumber="21">C</emphasis>
. Specimen MB.C.3663 (Ahlburg Coll.) from Oberscheld (Königszug Mine). 
<emphasis id="B9679106FFE6FFF32090F8409CF4DAE0" bold="true" box="[189,210,2001,2027]" pageId="20" pageNumber="21">D</emphasis>
. Specimen MB.C.3634 (Ahlburg Coll.) from Oberscheld (Königszug Mine). Scale bar units = 1 mm.
</paragraph>
</caption>
<caption id="DF6C1D9CFFE7FFF22090FE989E8FDC4C" ID-Table-UUID="DF6C1D9CFFE7FFF22090FE989E8FDC4C" httpUri="http://table.plazi.org/id/DF6C1D9CFFE7FFF22090FE989E8FDC4C" pageId="21" pageNumber="22" startId="21.[189,258,265,291]" targetBox="[215,1375,369,562]" targetIsTable="true" targetPageId="21">
<paragraph id="8BAC4D14FFE7FFF22090FE989E8FDC4C" blockId="21.[189,1398,265,327]" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22090FE989D02DC28" bold="true" box="[189,292,265,291]" pageId="21" pageNumber="22">Table 6.</emphasis>
Conch dimensions (partly reconstructed) and ratios of selected specimens of 
<taxonomicName id="4C133697FFE7FFF224C5FE989E83DC4C" authority="(Sandberger &amp; Sandberger, 1850)" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE7FFF224C5FE989D28DC4D" italics="true" pageId="21" pageNumber="22">Pharciceras tridens</emphasis>
(
<bibRefCitation id="EF8230E5FFE7FFF22133FEBD9EBADC4C" author="Sandberger G. &amp; Sandberger F." box="[286,668,300,327]" pageId="21" pageNumber="22" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8BAC4D14FFE7FFF220CBFEE09979DF39" pageId="21" pageNumber="22">
<table id="F913BFB4FFE7001820FAFEE09979DF39" box="[215,1375,369,562]" gridcols="11" gridrows="6" pageId="21" pageNumber="22">
<tr id="35234F56FFE7001820FAFEE09979DC81" box="[215,1375,369,394]" gridrow="0" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820FAFEE09D45DC81" box="[215,355,369,394]" gridcol="0" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF220CBFEE09D72DC82" bold="true" box="[230,340,369,393]" pageId="21" pageNumber="22">Specimen</emphasis>
</th>
<th id="76F2262AFFE7001821B3FEE09DEBDC81" box="[414,461,369,394]" gridcol="1" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF2218EFEE39DEEDC81" bold="true" box="[419,456,370,394]" pageId="21" pageNumber="22">dm</emphasis>
</th>
<th id="76F2262AFFE70018222DFEE09E09DC81" box="[512,559,369,394]" gridcol="2" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22229FEE39E0DDC81" bold="true" box="[516,555,370,394]" pageId="21" pageNumber="22">ww</emphasis>
</th>
<th id="76F2262AFFE70018224CFEE09EB6DC81" box="[609,656,369,394]" gridcol="3" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22245FEE39EACDC81" bold="true" box="[616,650,370,394]" pageId="21" pageNumber="22">wh</emphasis>
</th>
<th id="76F2262AFFE7001822EEFEE09ED4DC81" box="[707,754,369,394]" gridcol="4" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF222E4FEE39ECDDC81" bold="true" box="[713,747,370,394]" pageId="21" pageNumber="22">uw</emphasis>
</th>
<th id="76F2262AFFE700182309FEE09F75DC81" box="[804,851,369,394]" gridcol="5" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22300FEE39F6FDC81" bold="true" box="[813,841,370,394]" pageId="21" pageNumber="22">ah</emphasis>
</th>
<th id="76F2262AFFE70018235BFEE09FE9DC81" box="[886,975,369,394]" gridcol="6" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF2235BFEE39FE9DC81" bold="true" box="[886,975,369,394]" pageId="21" pageNumber="22">ww / dm</emphasis>
</th>
<th id="76F2262AFFE7001823C9FEE0981CDC81" box="[996,1082,369,394]" gridcol="7" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF223C9FEE3981CDC81" bold="true" box="[996,1082,369,394]" pageId="21" pageNumber="22">ww / wh</emphasis>
</th>
<th id="76F2262AFFE70018247DFEE09883DC81" box="[1104,1189,369,394]" gridcol="8" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF2247DFEE39883DC81" bold="true" box="[1104,1189,369,394]" pageId="21" pageNumber="22">uw / dm</emphasis>
</th>
<th id="76F2262AFFE7001824E9FEE09922DC81" box="[1220,1284,369,394]" gridcol="9" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF224E9FEE39922DC81" bold="true" box="[1220,1284,370,394]" pageId="21" pageNumber="22">WER</emphasis>
</th>
<th id="76F2262AFFE70018251DFEE09979DC81" box="[1328,1375,369,394]" gridcol="10" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF2251DFEE39979DC81" bold="true" box="[1328,1375,370,394]" pageId="21" pageNumber="22">IZR</emphasis>
</th>
</tr>
<tr id="35234F56FFE7001820FAFE029979DCA0" box="[215,1375,403,427]" gridrow="1" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820FAFE029D45DCA0" box="[215,355,403,427]" gridcol="0" gridrow="1" pageId="21" pageNumber="22">MB.C.3618</th>
<td id="76F2262AFFE7001821B3FE029DEBDCA0" box="[414,461,403,427]" gridcol="1" gridrow="1" pageId="21" pageNumber="22">57.3</td>
<td id="76F2262AFFE70018222DFE029E09DCA0" box="[512,559,403,427]" gridcol="2" gridrow="1" pageId="21" pageNumber="22">22.3</td>
<td id="76F2262AFFE70018224CFE029EB6DCA0" box="[609,656,403,427]" gridcol="3" gridrow="1" pageId="21" pageNumber="22">18.6</td>
<td id="76F2262AFFE7001822EEFE029ED4DCA0" box="[707,754,403,427]" gridcol="4" gridrow="1" pageId="21" pageNumber="22">23.7</td>
<td id="76F2262AFFE700182309FE029F75DCA0" box="[804,851,403,427]" gridcol="5" gridrow="1" pageId="21" pageNumber="22">14.2</td>
<td id="76F2262AFFE70018235BFE029FE9DCA0" box="[886,975,403,427]" gridcol="6" gridrow="1" pageId="21" pageNumber="22">0.39</td>
<td id="76F2262AFFE7001823C9FE02981CDCA0" box="[996,1082,403,427]" gridcol="7" gridrow="1" pageId="21" pageNumber="22">1.20</td>
<td id="76F2262AFFE70018247DFE029883DCA0" box="[1104,1189,403,427]" gridcol="8" gridrow="1" pageId="21" pageNumber="22">0.41</td>
<td id="76F2262AFFE7001824E9FE029922DCA0" box="[1220,1284,403,427]" gridcol="9" gridrow="1" pageId="21" pageNumber="22">1.76</td>
<td id="76F2262AFFE70018251DFE029979DCA0" box="[1328,1375,403,427]" gridcol="10" gridrow="1" pageId="21" pageNumber="22">0.24</td>
</tr>
<tr id="35234F56FFE7001820FAFE249979DCC6" box="[215,1375,437,461]" gridrow="2" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820FAFE249D45DCC6" box="[215,355,437,461]" gridcol="0" gridrow="2" pageId="21" pageNumber="22">MB.C.3647</th>
<td id="76F2262AFFE7001821B3FE249DEBDCC6" box="[414,461,437,461]" gridcol="1" gridrow="2" pageId="21" pageNumber="22">50.5</td>
<td id="76F2262AFFE70018222DFE249E09DCC6" box="[512,559,437,461]" gridcol="2" gridrow="2" pageId="21" pageNumber="22">21.0</td>
<td id="76F2262AFFE70018224CFE249EB6DCC6" box="[609,656,437,461]" gridcol="3" gridrow="2" pageId="21" pageNumber="22">17.2</td>
<td id="76F2262AFFE7001822EEFE249ED4DCC6" box="[707,754,437,461]" gridcol="4" gridrow="2" pageId="21" pageNumber="22">20.0</td>
<td id="76F2262AFFE700182309FE249F75DCC6" box="[804,851,437,461]" gridcol="5" gridrow="2" pageId="21" pageNumber="22">12.9</td>
<td id="76F2262AFFE70018235BFE249FE9DCC6" box="[886,975,437,461]" gridcol="6" gridrow="2" pageId="21" pageNumber="22">0.42</td>
<td id="76F2262AFFE7001823C9FE24981CDCC6" box="[996,1082,437,461]" gridcol="7" gridrow="2" pageId="21" pageNumber="22">1.22</td>
<td id="76F2262AFFE70018247DFE249883DCC6" box="[1104,1189,437,461]" gridcol="8" gridrow="2" pageId="21" pageNumber="22">0.40</td>
<td id="76F2262AFFE7001824E9FE249922DCC6" box="[1220,1284,437,461]" gridcol="9" gridrow="2" pageId="21" pageNumber="22">1.80</td>
<td id="76F2262AFFE70018251DFE249979DCC6" box="[1328,1375,437,461]" gridcol="10" gridrow="2" pageId="21" pageNumber="22">0.25</td>
</tr>
<tr id="35234F56FFE7001820FAFE479979DCE5" box="[215,1375,470,494]" gridrow="3" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820FAFE479D45DCE5" box="[215,355,470,494]" gridcol="0" gridrow="3" pageId="21" pageNumber="22">MB.C.3663</th>
<td id="76F2262AFFE7001821B3FE479DEBDCE5" box="[414,461,470,494]" gridcol="1" gridrow="3" pageId="21" pageNumber="22">31.0</td>
<td id="76F2262AFFE70018222DFE479E09DCE5" box="[512,559,470,494]" gridcol="2" gridrow="3" pageId="21" pageNumber="22">14.7</td>
<td id="76F2262AFFE70018224CFE479EB6DCE5" box="[609,656,470,494]" gridcol="3" gridrow="3" pageId="21" pageNumber="22">10.1</td>
<td id="76F2262AFFE7001822EEFE479ED4DCE5" box="[707,754,470,494]" gridcol="4" gridrow="3" pageId="21" pageNumber="22">13.7</td>
<td id="76F2262AFFE700182309FE479F75DCE5" box="[804,851,470,494]" gridcol="5" gridrow="3" pageId="21" pageNumber="22">7.3</td>
<td id="76F2262AFFE70018235BFE479FE9DCE5" box="[886,975,470,494]" gridcol="6" gridrow="3" pageId="21" pageNumber="22">0.47</td>
<td id="76F2262AFFE7001823C9FE47981CDCE5" box="[996,1082,470,494]" gridcol="7" gridrow="3" pageId="21" pageNumber="22">1.45</td>
<td id="76F2262AFFE70018247DFE479883DCE5" box="[1104,1189,470,494]" gridcol="8" gridrow="3" pageId="21" pageNumber="22">0.44</td>
<td id="76F2262AFFE7001824E9FE479922DCE5" box="[1220,1284,470,494]" gridcol="9" gridrow="3" pageId="21" pageNumber="22">1.71</td>
<td id="76F2262AFFE70018251DFE479979DCE5" box="[1328,1375,470,494]" gridcol="10" gridrow="3" pageId="21" pageNumber="22">0.28</td>
</tr>
<tr id="35234F56FFE7001820FAFE699979DF1B" box="[215,1375,504,528]" gridrow="4" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820FAFE699D45DF1B" box="[215,355,504,528]" gridcol="0" gridrow="4" pageId="21" pageNumber="22">MB.C.3634</th>
<td id="76F2262AFFE7001821B3FE699DEBDF1B" box="[414,461,504,528]" gridcol="1" gridrow="4" pageId="21" pageNumber="22">27.6</td>
<td id="76F2262AFFE70018222DFE699E09DF1B" box="[512,559,504,528]" gridcol="2" gridrow="4" pageId="21" pageNumber="22">12.6</td>
<td id="76F2262AFFE70018224CFE699EB6DF1B" box="[609,656,504,528]" gridcol="3" gridrow="4" pageId="21" pageNumber="22">9.0</td>
<td id="76F2262AFFE7001822EEFE699ED4DF1B" box="[707,754,504,528]" gridcol="4" gridrow="4" pageId="21" pageNumber="22">11.5</td>
<td id="76F2262AFFE700182309FE699F75DF1B" box="[804,851,504,528]" gridcol="5" gridrow="4" pageId="21" pageNumber="22">6.8</td>
<td id="76F2262AFFE70018235BFE699FE9DF1B" box="[886,975,504,528]" gridcol="6" gridrow="4" pageId="21" pageNumber="22">0.46</td>
<td id="76F2262AFFE7001823C9FE69981CDF1B" box="[996,1082,504,528]" gridcol="7" gridrow="4" pageId="21" pageNumber="22">1.41</td>
<td id="76F2262AFFE70018247DFE699883DF1B" box="[1104,1189,504,528]" gridcol="8" gridrow="4" pageId="21" pageNumber="22">0.42</td>
<td id="76F2262AFFE7001824E9FE699922DF1B" box="[1220,1284,504,528]" gridcol="9" gridrow="4" pageId="21" pageNumber="22">1.77</td>
<td id="76F2262AFFE70018251DFE699979DF1B" box="[1328,1375,504,528]" gridcol="10" gridrow="4" pageId="21" pageNumber="22">0.24</td>
</tr>
<tr id="35234F56FFE7001820FAFD889979DF39" box="[215,1375,537,562]" gridrow="5" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820FAFD889D45DF39" box="[215,355,537,562]" gridcol="0" gridrow="5" pageId="21" pageNumber="22">Lectotype 29</th>
<td id="76F2262AFFE7001821B3FD889DEBDF39" box="[414,461,537,562]" gridcol="1" gridrow="5" pageId="21" pageNumber="22">25.6</td>
<td id="76F2262AFFE70018222DFD889E09DF39" box="[512,559,537,562]" gridcol="2" gridrow="5" pageId="21" pageNumber="22">12.1</td>
<td id="76F2262AFFE70018224CFD889EB6DF39" box="[609,656,537,562]" gridcol="3" gridrow="5" pageId="21" pageNumber="22">7.2</td>
<td id="76F2262AFFE7001822EEFD889ED4DF39" box="[707,754,537,562]" gridcol="4" gridrow="5" pageId="21" pageNumber="22">11.3</td>
<td id="76F2262AFFE700182309FD889F75DF39" box="[804,851,537,562]" gridcol="5" gridrow="5" pageId="21" pageNumber="22">5.6</td>
<td id="76F2262AFFE70018235BFD889FE9DF39" box="[886,975,537,562]" gridcol="6" gridrow="5" pageId="21" pageNumber="22">0.47</td>
<td id="76F2262AFFE7001823C9FD88981CDF39" box="[996,1082,537,562]" gridcol="7" gridrow="5" pageId="21" pageNumber="22">1.68</td>
<td id="76F2262AFFE70018247DFD889883DF39" box="[1104,1189,537,562]" gridcol="8" gridrow="5" pageId="21" pageNumber="22">0.44</td>
<td id="76F2262AFFE7001824E9FD889922DF39" box="[1220,1284,537,562]" gridcol="9" gridrow="5" pageId="21" pageNumber="22">1.64</td>
<td id="76F2262AFFE70018251DFD889979DF39" box="[1328,1375,537,562]" gridcol="10" gridrow="5" pageId="21" pageNumber="22">0.22</td>
</tr>
</table>
</paragraph>
<caption id="DF6C1D9CFFE7FFF22090FDE898B6DF9F" ID-Table-UUID="DF6C1D9CFFE7FFF22090FDE898B6DF9F" box="[189,1168,633,660]" httpUri="http://table.plazi.org/id/DF6C1D9CFFE7FFF22090FDE898B6DF9F" pageId="21" pageNumber="22" startId="21.[189,258,633,659]" targetBox="[198,1387,709,901]" targetIsTable="true" targetPageId="21">
<paragraph id="8BAC4D14FFE7FFF22090FDE898B6DF9F" blockId="21.[189,1168,633,660]" box="[189,1168,633,660]" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22090FDE89D39DF98" bold="true" box="[189,287,633,659]" pageId="21" pageNumber="22">Table 7.</emphasis>
Conch ontogeny of 
<taxonomicName id="4C133697FFE7FFF22222FDE898AADF9F" authority="(Sandberger &amp; Sandberger, 1850)" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[527,1164,633,660]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE7FFF22222FDE89ED3DF98" box="[527,757,633,659]" italics="true" pageId="21" pageNumber="22">Pharciceras tridens</emphasis>
(
<bibRefCitation id="EF8230E5FFE7FFF22328FDE898A5DF9F" author="Sandberger G. &amp; Sandberger F." box="[773,1155,633,660]" pageId="21" pageNumber="22" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8BAC4D14FFE7FFF220F4FD57997FDE8F" pageId="21" pageNumber="22">
<table id="F913BFB4FFE7001820EBFD54994DDE8E" box="[198,1387,709,901]" gridcols="4" gridrows="3" pageId="21" pageNumber="22">
<tr id="35234F56FFE7001820EBFD54994DDFD5" box="[198,1387,709,734]" gridrow="0" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820EBFD549D37DFD5" box="[198,273,709,734]" gridcol="0" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF220F4FD579CD8DFD5" bold="true" box="[217,254,710,734]" pageId="21" pageNumber="22">dm</emphasis>
</th>
<th id="76F2262AFFE700182167FD549EBFDFD5" box="[330,665,709,734]" gridcol="1" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22181FD579E11DFD5" bold="true" box="[428,567,710,734]" pageId="21" pageNumber="22">conch shape</emphasis>
</th>
<th id="76F2262AFFE7001822F9FD5498A9DFD5" box="[724,1167,709,734]" gridcol="2" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF2230FFD579867DFD5" bold="true" box="[802,1089,709,734]" pageId="21" pageNumber="22">whorl cross section shape</emphasis>
</th>
<th id="76F2262AFFE70018249DFD54994DDFD5" box="[1200,1387,709,734]" gridcol="3" gridrow="0" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF2249DFD57994DDFD6" bold="true" box="[1200,1387,709,734]" pageId="21" pageNumber="22">whorl expansion</emphasis>
</th>
</tr>
<tr id="35234F56FFE7001820EBFD67994DDE3A" box="[198,1387,758,817]" gridrow="1" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820EBFD679D37DE3A" box="[198,273,758,817]" gridcol="0" gridrow="1" pageId="21" pageNumber="22">30 mm</th>
<td id="76F2262AFFE700182167FD679EBFDE3A" box="[330,665,758,817]" gridcol="1" gridrow="1" pageId="21" pageNumber="22">thinly discoidal; subevolute (ww/dm ~ 0.45; uw/dm ~ 0.42)</td>
<td id="76F2262AFFE7001822F9FD6798A9DE3A" box="[724,1167,758,817]" gridcol="2" gridrow="1" pageId="21" pageNumber="22">weakly depressed; moderately embracing (ww/wh ~ 1.45; IZR ~ 0.25)</td>
<td id="76F2262AFFE70018249DFD67994DDE3A" box="[1200,1387,758,817]" gridcol="3" gridrow="1" pageId="21" pageNumber="22">low (WER ~ 1.70)</td>
</tr>
<tr id="35234F56FFE7001820EBFCDB994DDE8E" box="[198,1387,842,901]" gridrow="2" pageId="21" pageNumber="22">
<th id="76F2262AFFE7001820EBFCDB9D37DE8E" box="[198,273,842,901]" gridcol="0" gridrow="2" pageId="21" pageNumber="22">50 mm</th>
<td id="76F2262AFFE700182167FCDB9EBFDE8E" box="[330,665,842,901]" gridcol="1" gridrow="2" pageId="21" pageNumber="22">thinly discoidal; subevolute (ww/dm ~ 0.40; uw/dm ~ 0.40)</td>
<td id="76F2262AFFE7001822F9FCDB98A9DE8E" box="[724,1167,842,901]" gridcol="2" gridrow="2" pageId="21" pageNumber="22">weakly depressed; moderately embracing (ww/wh ~ 1.20; IZR ~ 0.25)</td>
<td id="76F2262AFFE70018249DFCDB994DDE8E" box="[1200,1387,842,901]" gridcol="3" gridrow="2" pageId="21" pageNumber="22">moderate (WER ~ 1.75)</td>
</tr>
</table>
</paragraph>
<subSubSection id="C3091E9FFFE7FFF12090FC439962DCF9" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="discussion">
<paragraph id="8BAC4D14FFE7FFF22090FC439D09DEE7" blockId="21.[189,303,978,1004]" box="[189,303,978,1004]" pageId="21" pageNumber="22">
<heading id="D0E4FA78FFE7FFF22090FC439D09DEE7" bold="true" box="[189,303,978,1004]" fontSize="11" level="3" pageId="21" pageNumber="22" reason="3">
<emphasis id="B9679106FFE7FFF22090FC439D09DEE7" bold="true" box="[189,303,978,1004]" pageId="21" pageNumber="22">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="8BAC4D14FFE7FFF22090FB919FA7D9AC" blockId="21.[188,1399,1024,1191]" pageId="21" pageNumber="22">
Unfortunately, the 
<typeStatus id="54A8F3B6FFE7FFF221BAFB919E25D911" box="[407,515,1024,1050]" pageId="21" pageNumber="22" type="lectotype">lectotype</typeStatus>
of 
<taxonomicName id="4C133697FFE7FFF2220AFB919F2AD911" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[551,780,1024,1050]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE7FFF2220AFB919F2AD911" box="[551,780,1024,1050]" italics="true" pageId="21" pageNumber="22">Pharciceras tridens</emphasis>
</taxonomicName>
is a rather small and poorly preserved specimen with only 
<quantity id="4CEBE0F1FFE7FFF220DBFBB29D6ED935" box="[246,328,1059,1086]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" pageId="21" pageNumber="22" unit="mm" value="26.0">26 mm</quantity>
conch diameter (
<figureCitation id="13285191FFE7FFF22222FBB29E42D936" box="[527,612,1059,1085]" captionStart="Fig" captionStartId="20.[189,232,932,958]" captionTargetBox="[454,1130,689,879]" captionTargetId="figure-164@20.[451,1137,687,880]" captionTargetPageId="20" captionText="Fig. 14. Pharciceras tridens (Sandberger &amp; Sandberger, 1850), lectotype 29 (Wiesbaden Museum) from Oberscheld; photograph and reproduction of the figure in Sandberger &amp; Sandberger (1850–1856: pl. 4 fig. 2). Scale bar units = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5536145" httpUri="https://zenodo.org/record/5536145/files/figure.png" pageId="21" pageNumber="22">Fig. 14</figureCitation>
); therefore, it may be difficult to compare this with the other species of the genus, which are defined by larger type material. The type specimen allows at least to figure two characters that can be used to characterise the species, the first is the rather wide umbilicus (uw / dm ~ 0.40) and the tongue-shaped, rounded or blunt lateral lobe.
</paragraph>
<paragraph id="8BAC4D14FFE7FFF22090FB5F9950D800" blockId="21.[189,1399,1230,1292]" pageId="21" pageNumber="22">
Only one species from the Red Ironstone has an umbilicus as wide as that in 
<taxonomicName id="4C133697FFE7FFF22464FB5E9891D9E3" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[1097,1207,1230,1256]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE7FFF22464FB5E9891D9E3" box="[1097,1207,1230,1256]" italics="true" pageId="21" pageNumber="22">P. tridens</emphasis>
</taxonomicName>
, it is 
<taxonomicName id="4C133697FFE7FFF224D7FB5E9951D9E3" authority="Korn &amp; Bockwinkel, 2021" authorityName="Korn &amp; Bockwinkel" authorityYear="2021" box="[1274,1399,1230,1256]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="beyrichi" status="sp. nov.">
<emphasis id="B9679106FFE7FFF224D7FB5E9951D9E3" box="[1274,1399,1230,1256]" italics="true" pageId="21" pageNumber="22">P. beyrichi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2542C7DFFE7FFF22090FB639D31D807" box="[189,279,1266,1292]" pageId="21" pageNumber="22" rank="species">sp. nov.</taxonomicNameLabel>
but this differs in its much stouter conch with a much broader whorl profile (ww/ dm ~ 0.45 and
</paragraph>
<caption id="DF6C1D9CFFE7FFF22090F8F29E60DAE3" ID-DOI="http://doi.org/10.5281/zenodo.5536151" ID-Zenodo-Dep="5536151" httpUri="https://zenodo.org/record/5536151/files/figure.png" pageId="21" pageNumber="22" startId="21.[189,232,1891,1917]" targetBox="[190,1398,1386,1852]" targetPageId="21">
<paragraph id="8BAC4D14FFE7FFF22090F8F29E60DAE3" blockId="21.[189,1399,1891,2024]" pageId="21" pageNumber="22">
<emphasis id="B9679106FFE7FFF22090F8F29D3FDA76" bold="true" box="[189,281,1891,1917]" pageId="21" pageNumber="22">Fig. 16.</emphasis>
<taxonomicName id="4C133697FFE7FFF2210CF8F59FB9DA75" authority="(Sandberger &amp; Sandberger, 1850)" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[289,927,1891,1918]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="21" pageNumber="22" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE7FFF2210CF8F59E2EDA75" box="[289,520,1892,1918]" italics="true" pageId="21" pageNumber="22">Pharciceras tridens</emphasis>
(
<bibRefCitation id="EF8230E5FFE7FFF2223AF8F59FB0DA75" author="Sandberger G. &amp; Sandberger F." box="[535,918,1891,1918]" pageId="21" pageNumber="22" refId="ref36976" refString="Sandberger G. &amp; Sandberger F. 1850 - 1856. Die Versteinerungen des rheinischen Schichtensystems in Nassau. Mit einer kurzgefassten Geognosie dieses Gebietes und mit steter Berucksichtigung analoger Schichten anderer Lander. Kreidel &amp; Niedner, Wiesbaden. https: // doi. org / 10.5962 / bhl. title. 52349" type="book" year="1850">Sandberger &amp; Sandberger, 1850</bibRefCitation>
)
</taxonomicName>
. 
<emphasis id="B9679106FFE7FFF22387F8F29F99DA76" bold="true" box="[938,959,1891,1917]" pageId="21" pageNumber="22">A</emphasis>
. Suture line of specimen MB.C.3618 (Ahlburg Coll.) from Oberscheld (Königszug Mine), at dm =48.5 mm, ww =19.0 mm, wh=18.0 mm. 
<emphasis id="B9679106FFE7FFF22092F83B9CD5DACF" bold="true" box="[191,243,1962,1988]" pageId="21" pageNumber="22">B–E</emphasis>
. Ontogeneric trajectories of the cardinal conch parameters. Abbreviations: see Material and methods. Scale bar units = 1 mm.
</paragraph>
</caption>
<paragraph id="8BAC4D14FFE4FFF12090FE989F88DC4C" blockId="22.[189,1398,265,327]" pageId="22" pageNumber="23">
ww / wh ~ 
<quantity id="4CEBE0F1FFE4FFF12118FE989DA1DC28" box="[309,391,265,291]" metricMagnitude="-2" metricUnit="m" metricValue="3.5559999999999996" pageId="22" pageNumber="23" unit="in" value="1.4">1.40 in</quantity>
<taxonomicName id="4C133697FFE4FFF121A7FE9B9DDEDC28" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[394,504,265,291]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE4FFF121A7FE9B9DDEDC28" box="[394,504,265,291]" italics="true" pageId="22" pageNumber="23">P. tridens</emphasis>
</taxonomicName>
but ww /dm ~ 0.55 and ww /wh ~ 
<quantity id="4CEBE0F1FFE4FFF123A3FE989FF9DC28" box="[910,991,265,292]" metricMagnitude="-2" metricUnit="m" metricValue="4.445" pageId="22" pageNumber="23" unit="in" value="1.75">1.75 in</quantity>
<taxonomicName id="4C133697FFE4FFF123CBFE9B9845DC28" authority="Korn &amp; Bockwinkel, 2021" authorityName="Korn &amp; Bockwinkel" authorityYear="2021" box="[998,1123,265,291]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="beyrichi" status="sp. nov.">
<emphasis id="B9679106FFE4FFF123CBFE9B9845DC28" box="[998,1123,265,291]" italics="true" pageId="22" pageNumber="23">P. beyrichi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2542C7DFFE4FFF12447FE9898EFDC28" box="[1130,1225,265,291]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
). Furthermore, the ventrolateral grooves are much deeper in 
<taxonomicName id="4C133697FFE4FFF122E2FEBC9F6ADC4D" authority="Korn &amp; Bockwinkel, 2021" authorityName="Korn &amp; Bockwinkel" authorityYear="2021" box="[719,844,300,326]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="beyrichi" status="sp. nov.">
<emphasis id="B9679106FFE4FFF122E2FEBC9F6ADC4D" box="[719,844,300,326]" italics="true" pageId="22" pageNumber="23">P. beyrichi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2542C7DFFE4FFF1237EFEBC9F88DC4C" box="[851,942,301,327]" pageId="22" pageNumber="23" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
<paragraph id="8BAC4D14FFE4FFF12090FEFF9962DCF9" blockId="22.[187,1399,366,498]" pageId="22" pageNumber="23">
The species name 
<taxonomicName id="4C133697FFE4FFF121A0FEFF9E54DC83" baseAuthorityName="Sandberger &amp; Sandberger" baseAuthorityYear="1850" box="[397,626,366,392]" class="Cephalopoda" family="Pharciceratidae" genus="Pharciceras" kingdom="Animalia" order="Ammonoidea" pageId="22" pageNumber="23" phylum="Mollusca" rank="species" species="tridens">
<emphasis id="B9679106FFE4FFF121A0FEFF9E54DC83" box="[397,626,366,392]" italics="true" pageId="22" pageNumber="23">Pharciceras tridens</emphasis>
</taxonomicName>
has frequently been used in the past decades for all specimens with a rather wide umbilicus and little differentiated suture line. For a secure classification of these specimens, a comprehensive revision would be necessary, which, however, is outside the scope of the present study. These mentions in the literature are therefore marked with a question mark in the list of synonyms.
</paragraph>
</subSubSection>
</treatment>
</document>