275 lines
32 KiB
XML
275 lines
32 KiB
XML
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<mods:title id="89165660EB70B01E429EEE903E46AE73">The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden</mods:title>
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<mods:title id="9EB5E9E8DE1A926B00F18E181BBC7BD0">European Journal of Taxonomy</mods:title>
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<mods:date id="126A50F21CE4A319451E9A9FCBFDB34A">2013</mods:date>
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<treatment id="AD4D9054CD6B6A76F05A45F6FAD2FC45" ID-DOI="http://doi.org/10.5281/zenodo.3815090" ID-GBIF-Taxon="163977190" ID-Zenodo-Dep="3815090" LSID="urn:lsid:plazi:treatment:AD4D9054CD6B6A76F05A45F6FAD2FC45" httpUri="http://treatment.plazi.org/id/AD4D9054CD6B6A76F05A45F6FAD2FC45" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16">
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<subSubSection id="6DFE72C9CD6B6A69F05A45F6FC5CFD4A" box="[570,1017,732,759]" pageId="15" pageNumber="16" type="nomenclature">
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<taxonomicName id="E2E45AC1CD6B6A69F05A45F6FC5CFD4A" authority="(Schmidt, 1858)" baseAuthorityName="Schmidt" baseAuthorityYear="1858" box="[570,1017,732,759]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="sphinx">
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<emphasis id="1790FD50CD6B6A69F05A45F6FC96FD4A" bold="true" box="[570,819,732,759]" italics="true" pageId="15" pageNumber="16">Strandoceras sphinx</emphasis>
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(
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<bibRefCitation id="41755CB3CD6B6A69F12245F7FC54FD4A" author="Schmidt F." box="[834,1009,732,759]" pageId="15" pageNumber="16" pagination="1 - 248" refId="ref49185" refString="Schmidt F. 1858. Untersuchungen uber die Silurische Formation von Ehstland, Nord-Livland und Osel. Archiv fur die Naturkunde Liv-, Ehst- und Kurlands, 1. Serie (Mineralogische Wissenschaften, nebst Chemie, Physik und Erdbeschreibung) 2: 1 - 248." type="journal article" year="1858">Schmidt, 1858</bibRefCitation>
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)
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="6DFE72C9CD6B6A69F08F442AFCE0FCA7" box="[751,837,768,794]" pageId="15" pageNumber="16" type="description">
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<paragraph id="255B2142CD6B6A69F08F442AFCE0FCA7" blockId="15.[570,1017,732,794]" box="[751,837,768,794]" pageId="15" pageNumber="16">
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<figureCitation id="BDDF3DC7CD6B6A69F08F442AFCE0FCA7" box="[751,837,768,794]" captionStart="Fig" captionStartId="11.[189,232,1758,1784]" captionTargetBox="[206,1374,261,1718]" captionTargetId="figure@11.[206,1378,261,1719]" captionTargetPageId="11" captionText="Fig. 7. Breviconic cephalopods of the Boda Limestone and details of an endocerid. A. Dalecarlioceras constrictum Frye, 1987, PMU 24777, holotype, Kallholn. B. Dalecarlioceras dalecarlicum (Frye, 1987) comb. nov., PMU 24774, holotype, Kallholn. C. Cyrtorizoceras thorslundi sp. nov., PMU 26658, Kallholn; note the morphological transition between D. constrictum and C. thorslundi sp. nov.; the adult size increases in Dalecarlioceras and the mature body chamber is gibbous. D. Cameroceras turrisoides sp. nov., PMU 26623, Osmundberget, lateral view of apical fragment with abrupt transition between embryonic and juvenile conch. E. Strandoceras sphinx (Schmidt, 1858), PMU 26629, Kallholn. Scale bars: A-C, E = 10 mm; D = 10 mm." figureDoi="http://doi.org/10.5281/zenodo.3814237" httpUri="https://zenodo.org/record/3814237/files/figure.png" pageId="15" pageNumber="16">Fig. 7E</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="6DFE72C9CD6B6A69F2DD446BFC99FB97" pageId="15" pageNumber="16" type="reference_group">
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<paragraph id="255B2142CD6B6A69F2DD446BFD1DFCE6" blockId="15.[189,696,833,860]" box="[189,696,833,860]" pageId="15" pageNumber="16">
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<treatmentCitation id="A4450753CD6B6A69F2DD446BFD11FCE6" author="Schmidt F." box="[189,692,833,860]" page="200" pageId="15" pageNumber="16" year="1858">
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<taxonomicName id="E2E45AC1CD6B6A69F2DD446BFD11FCE6" authority="Schmidt, 1858: 200" authorityName="Schmidt" authorityPageNumber="200" authorityYear="1858" box="[189,692,833,860]" class="Cephalopoda" family="Phragmoceratidae" genus="Phragmoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Oncocerida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="sphynx">
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<emphasis id="1790FD50CD6B6A69F2DD446BFE67FCE6" box="[189,450,833,859]" italics="true" pageId="15" pageNumber="16">Phragmoceras sphynx</emphasis>
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<bibRefCitation id="41755CB3CD6B6A69F3AA446BFD11FCE6" author="Schmidt F." box="[458,692,833,860]" pageId="15" pageNumber="16" pagination="1 - 248" refId="ref49185" refString="Schmidt F. 1858. Untersuchungen uber die Silurische Formation von Ehstland, Nord-Livland und Osel. Archiv fur die Naturkunde Liv-, Ehst- und Kurlands, 1. Serie (Mineralogische Wissenschaften, nebst Chemie, Physik und Erdbeschreibung) 2: 1 - 248." type="journal article" year="1858">Schmidt, 1858: 200</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="255B2142CD6B6A69F2DD44A9FD54FC7C" blockId="15.[189,1398,899,1066]" pageId="15" pageNumber="16">
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<treatmentCitationGroup id="05F4066CCD6B6A69F2DD44A9FD54FC7C" pageId="15" pageNumber="16">
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<taxonomicName id="E2E45AC1CD6B6A69F2DD44A9FE58FC20" authorityName="Schmidt" authorityYear="1858" box="[189,509,899,925]" class="Cephalopoda" family="Phragmoceratidae" genus="Protophragmoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="sphinx">
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<emphasis id="1790FD50CD6B6A69F2DD44A9FE58FC20" box="[189,509,899,925]" italics="true" pageId="15" pageNumber="16">Protophragmoceras sphinx</emphasis>
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</taxonomicName>
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–
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<treatmentCitation id="A4450753CD6B6A69F07A44A9FD59FC20" author="Teichert C." box="[538,764,899,925]" page="270" pageId="15" pageNumber="16" year="1930">
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<bibRefCitation id="41755CB3CD6B6A69F07A44A9FD59FC20" author="Teichert C." box="[538,764,899,925]" pageId="15" pageNumber="16" pagination="264 - 312" refId="ref49750" refString="Teichert C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Palaontologische Zeitschrift 12: 264 - 312." type="journal article" year="1930">Teichert 1930: 270</bibRefCitation>
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</treatmentCitation>
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, 299-301, pl. 7, fig. 20, pl. 8, fig. 24, text-figs 3, 4. ―
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<treatmentCitation id="A4450753CD6B6A69F2DD448CFEC2FC7D" author="Dzik J." box="[189,359,934,960]" page="48" pageId="15" pageNumber="16" year="1984">
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<bibRefCitation id="41755CB3CD6B6A69F2DD448CFEC2FC7D" author="Dzik J." box="[189,359,934,960]" pageId="15" pageNumber="16" refId="ref47068" refString="Dzik J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica, Vol. 45, 203 pp." type="book" year="1984">Dzik 1984: 48</bibRefCitation>
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</treatmentCitation>
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, 52, 65, text-fig.14.5, pl. 7, fig. 7.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="255B2142CD6B6A69F2DD44E3FD44FC5E" blockId="15.[189,1398,899,1066]" box="[189,737,969,996]" pageId="15" pageNumber="16">
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<treatmentCitationGroup id="05F4066CCD6B6A69F2DD44E3FD44FC5E" box="[189,737,969,996]" pageId="15" pageNumber="16">
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<taxonomicName id="E2E45AC1CD6B6A69F2DD44E3FDA4FC5E" authorityName="Schmidt" authorityYear="1858" box="[189,513,969,995]" class="Cephalopoda" family="Phragmoceratidae" genus="Protophragmoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="sphynx">
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<emphasis id="1790FD50CD6B6A69F2DD44E3FDA4FC5E" box="[189,513,969,995]" italics="true" pageId="15" pageNumber="16">Protophragmoceras sphynx</emphasis>
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</taxonomicName>
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||
–
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<treatmentCitation id="A4450753CD6B6A69F07E44E3FD78FC5E" author="Strand T." box="[542,733,969,995]" page="93" pageId="15" pageNumber="16" year="1934">
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<bibRefCitation id="41755CB3CD6B6A69F07E44E3FD78FC5E" author="Strand T." box="[542,733,969,995]" pageId="15" pageNumber="16" pagination="1 - 117" refId="ref49308" refString="Strand T. 1934. The Upper Ordovician Cephalopods of the Oslo Area. Norsk Geologiske Tidsskrift 14: 1 - 117." type="journal article" year="1934">Strand 1934: 93</bibRefCitation>
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</treatmentCitation>
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||
.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
<paragraph id="255B2142CD6B6A69F2DD44C6FB03FBBB" blockId="15.[189,1398,899,1066]" box="[189,1190,1004,1031]" pageId="15" pageNumber="16">
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<treatmentCitationGroup id="05F4066CCD6B6A69F2DD44C6FB03FBBB" box="[189,1190,1004,1031]" pageId="15" pageNumber="16">
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<taxonomicName id="E2E45AC1CD6B6A69F2DD44C6FE17FBBB" baseAuthorityName="Schmidt" baseAuthorityYear="1858" box="[189,434,1004,1030]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="sphynx">
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<emphasis id="1790FD50CD6B6A69F2DD44C6FE17FBBB" box="[189,434,1004,1030]" italics="true" pageId="15" pageNumber="16">Strandoceras sphynx</emphasis>
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</taxonomicName>
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– Flower
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<emphasis id="1790FD50CD6B6A69F04A44C7FDE4FBBB" box="[554,577,1005,1030]" italics="true" pageId="15" pageNumber="16">in</emphasis>
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<treatmentCitation id="A4450753CD6B6A69F02844C6FC34FBBA" author="Flower R. H. & Teichert C." box="[584,913,1004,1031]" page="57" pageId="15" pageNumber="16" year="1957">
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<bibRefCitation id="41755CB3CD6B6A69F02844C6FC34FBBA" author="Flower R. H. & Teichert C." box="[584,913,1004,1031]" pageId="15" pageNumber="16" pagination="1 - 144" refId="ref47589" refString="Flower R. H. & Teichert C. 1957. The cephalopod order Discosorida. University of Kansas Paleontological Contributions, Art. 21 (Mollusca, Art. 6): 1 - 144." type="journal article" year="1957">Flower & Teichert 1957: 57</bibRefCitation>
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</treatmentCitation>
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||
, 114, text-figs 15e, g-h.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="255B2142CD6B6A69F2DD433AFC99FB97" blockId="15.[189,1398,899,1066]" box="[189,828,1039,1066]" pageId="15" pageNumber="16">
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<treatmentCitationGroup id="05F4066CCD6B6A69F2DD433AFC99FB97" box="[189,828,1039,1066]" pageId="15" pageNumber="16">
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<taxonomicName id="E2E45AC1CD6B6A69F2DD433AFE0BFB97" baseAuthorityName="Schmidt" baseAuthorityYear="1858" box="[189,430,1040,1066]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="15" pageNumber="16" phylum="Mollusca" rank="species" species="sphinx">
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||
<emphasis id="1790FD50CD6B6A69F2DD433AFE0BFB97" box="[189,430,1040,1066]" italics="true" pageId="15" pageNumber="16">Strandoceras sphinx</emphasis>
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</taxonomicName>
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||
–
|
||
<treatmentCitation id="A4450753CD6B6A69F3AB4325FD0CFB94" author="Balashov E. G." box="[459,681,1039,1066]" page="69" pageId="15" pageNumber="16" year="1975">
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<bibRefCitation id="41755CB3CD6B6A69F3AB4325FD0CFB94" author="Balashov E. G." box="[459,681,1039,1066]" pageId="15" pageNumber="16" pagination="63 - 101" refId="ref46594" refString="Balashov E. G. 1975. Cefalopody molodovskogo i kitayogorodskogo gorizontov Podolii. Voprosy Paleontologii 7: 63 - 101." type="journal article" year="1975">Balashov 1975: 69</bibRefCitation>
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||
</treatmentCitation>
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||
, pl. 2, fig. 1.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="6DFE72C9CD6B6A69F2DD437BFC3BFABE" pageId="15" pageNumber="16" type="diagnosis">
|
||
<paragraph id="255B2142CD6B6A69F2DD437BFE93FBD6" blockId="15.[189,310,1105,1131]" box="[189,310,1105,1131]" pageId="15" pageNumber="16">
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<heading id="7E13962ECD6B6A69F2DD437BFE93FBD6" bold="true" box="[189,310,1105,1131]" fontSize="11" level="3" pageId="15" pageNumber="16" reason="3">
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||
<emphasis id="1790FD50CD6B6A69F2DD437BFE93FBD6" bold="true" box="[189,310,1105,1131]" pageId="15" pageNumber="16">Diagnosis</emphasis>
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||
</heading>
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||
</paragraph>
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||
<paragraph id="255B2142CD6B6A69F2DD43AAFC3BFABE" blockId="15.[189,1398,1151,1283]" pageId="15" pageNumber="16">
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||
<taxonomicName id="E2E45AC1CD6B6A69F2DD43AAFEFCFB27" authorityName="Flower" authorityYear="1946" box="[189,345,1152,1178]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="15" pageNumber="16" phylum="Mollusca" rank="genus">
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||
<emphasis id="1790FD50CD6B6A69F2DD43AAFEFCFB27" box="[189,345,1152,1178]" italics="true" pageId="15" pageNumber="16">Strandoceras</emphasis>
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||
</taxonomicName>
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||
with moderate curvature, angle of expansion 16–19°; compressed conch cross section with width/height ratio of 0.8–0.9; body chamber long, reaching 0.4 of total conch length; ornamented with distinctive transverse rounded striae, which form shallow sinuses on the anti- and prosiphuncular side of the conch. (Adopted from
|
||
<bibRefCitation id="41755CB3CD6B6A69F02A43C3FD7CFABE" author="Strand T." box="[586,729,1257,1283]" pageId="15" pageNumber="16" pagination="1 - 117" refId="ref49308" refString="Strand T. 1934. The Upper Ordovician Cephalopods of the Oslo Area. Norsk Geologiske Tidsskrift 14: 1 - 117." type="journal article" year="1934">Strand 1934</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="41755CB3CD6B6A69F17143C3FC34FABE" author="Dzik J." box="[785,913,1257,1283]" pageId="15" pageNumber="16" refId="ref47068" refString="Dzik J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica, Vol. 45, 203 pp." type="book" year="1984">Dzik 1984</bibRefCitation>
|
||
.)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD6B6A69F2DD4201FB10F994" pageId="15" pageNumber="16" type="materials_examined">
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<paragraph id="255B2142CD6B6A69F2DD4201FE5EFAF9" blockId="15.[189,507,1322,1349]" box="[189,507,1322,1349]" pageId="15" pageNumber="16">
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<heading id="7E13962ECD6B6A69F2DD4201FE5EFAF9" bold="true" box="[189,507,1322,1349]" fontSize="11" level="3" pageId="15" pageNumber="16" reason="3">
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<emphasis id="1790FD50CD6B6A69F2DD4201FE5EFAF9" bold="true" box="[189,507,1322,1349]" pageId="15" pageNumber="16">
|
||
<typeStatus id="FA5F9FE0CD6B6A69F2DD4201FF5FFAF8" box="[189,250,1323,1349]" pageId="15" pageNumber="16">Type</typeStatus>
|
||
locality and horizon
|
||
</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD6B6A69F2DD4273FE03FA2B" blockId="15.[189,1398,1369,1430]" pageId="15" pageNumber="16">
|
||
“Setlep”, Island Vormsi,
|
||
<collectingCountry id="5DF361D2CD6B6A69F3814273FD99FACE" box="[481,572,1369,1395]" name="Estonia" pageId="15" pageNumber="16">Estonia</collectingCountry>
|
||
, Vormsi/Pirgu Regional Stage (“Lyckholm stage”,
|
||
<bibRefCitation id="41755CB3CD6B6A69F6F24273FA9DFACE" author="Teichert C." box="[1170,1336,1369,1395]" pageId="15" pageNumber="16" pagination="264 - 312" refId="ref49750" refString="Teichert C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Palaontologische Zeitschrift 12: 264 - 312." type="journal article" year="1930">Teichert 1930</bibRefCitation>
|
||
), late Katian, Ordovician.
|
||
</paragraph>
|
||
<paragraph id="255B2142CD6B6A69F2DD4294FE0FFA65" blockId="15.[189,426,1470,1496]" box="[189,426,1470,1496]" pageId="15" pageNumber="16">
|
||
<heading id="7E13962ECD6B6A69F2DD4294FE0FFA65" bold="true" box="[189,426,1470,1496]" fontSize="11" level="3" pageId="15" pageNumber="16" reason="3">
|
||
<emphasis id="1790FD50CD6B6A69F2DD4294FE0FFA65" bold="true" box="[189,426,1470,1496]" pageId="15" pageNumber="16">Material examined</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD6B6A69F2DD42C6FB10F994" blockId="15.[189,1399,1516,1578]" pageId="15" pageNumber="16">
|
||
Three specimens (
|
||
<collectionCode id="43F5B987CD6B6A69F3F342C6FE70F9BB" box="[403,469,1516,1542]" country="Sweden" httpUri="http://grbio.org/cool/32ji-dbbk" name="Paleontological Museum of Uppsala" pageId="15" pageNumber="16">PMU</collectionCode>
|
||
26629–26631) from Kallholn,
|
||
<collectingRegion id="E720EFA0CD6B6A69F12642C6FC03F9BB" box="[838,934,1516,1542]" country="Sweden" name="Dalarna" pageId="15" pageNumber="16">Dalarna</collectingRegion>
|
||
, Boda Limestone; one specimen (
|
||
<collectionCode id="43F5B987CD6B6A69F75542C6FAD2F9BB" box="[1333,1399,1516,1542]" country="Sweden" httpUri="http://grbio.org/cool/32ji-dbbk" name="Paleontological Museum of Uppsala" pageId="15" pageNumber="16">PMU</collectionCode>
|
||
26632) from Amtjärn,
|
||
<collectingRegion id="E720EFA0CD6B6A69F3A74125FD82F994" box="[455,551,1551,1577]" country="Sweden" name="Dalarna" pageId="15" pageNumber="16">Dalarna</collectingRegion>
|
||
, Johnstorp Formation. All late Katian, Late Ordovician.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD6B6A76F2DD417BFEF3FE32" lastPageId="16" lastPageNumber="17" pageId="15" pageNumber="16" type="description">
|
||
<paragraph id="255B2142CD6B6A69F2DD417BFEEBF9D6" blockId="15.[189,334,1617,1643]" box="[189,334,1617,1643]" pageId="15" pageNumber="16">
|
||
<heading id="7E13962ECD6B6A69F2DD417BFEEBF9D6" bold="true" box="[189,334,1617,1643]" fontSize="11" level="3" pageId="15" pageNumber="16" reason="3">
|
||
<emphasis id="1790FD50CD6B6A69F2DD417BFEEBF9D6" bold="true" box="[189,334,1617,1643]" pageId="15" pageNumber="16">Description</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD6B6A69F2DD4155FE19F86B" blockId="15.[189,1399,1663,2006]" pageId="15" pageNumber="16">
|
||
The largest specimen, PMU 26629, is a piece of phragmocone, measuring 74–
|
||
<quantity id="E21C8CA7CD6B6A69F62741AAFB3DF927" box="[1095,1176,1664,1690]" metricMagnitude="-2" metricUnit="m" metricValue="4.8" pageId="15" pageNumber="16" unit="mm" value="48.0">48 mm</quantity>
|
||
in height, and with a maximum width of
|
||
<quantity id="E21C8CA7CD6B6A69F3DC4189FDB5F900" box="[444,528,1699,1725]" metricMagnitude="-2" metricUnit="m" metricValue="6.3" pageId="15" pageNumber="16" unit="mm" value="63.0">63 mm</quantity>
|
||
(width/height ratio 0.85) and expanding at an angle of 19° (
|
||
<figureCitation id="BDDF3DC7CD6B6A69F6B84189FA91F900" box="[1240,1332,1699,1725]" captionStart="Fig" captionStartId="11.[189,232,1758,1784]" captionTargetBox="[206,1374,261,1718]" captionTargetId="figure@11.[206,1378,261,1719]" captionTargetPageId="11" captionText="Fig. 7. Breviconic cephalopods of the Boda Limestone and details of an endocerid. A. Dalecarlioceras constrictum Frye, 1987, PMU 24777, holotype, Kallholn. B. Dalecarlioceras dalecarlicum (Frye, 1987) comb. nov., PMU 24774, holotype, Kallholn. C. Cyrtorizoceras thorslundi sp. nov., PMU 26658, Kallholn; note the morphological transition between D. constrictum and C. thorslundi sp. nov.; the adult size increases in Dalecarlioceras and the mature body chamber is gibbous. D. Cameroceras turrisoides sp. nov., PMU 26623, Osmundberget, lateral view of apical fragment with abrupt transition between embryonic and juvenile conch. E. Strandoceras sphinx (Schmidt, 1858), PMU 26629, Kallholn. Scale bars: A-C, E = 10 mm; D = 10 mm." figureDoi="http://doi.org/10.5281/zenodo.3814237" httpUri="https://zenodo.org/record/3814237/files/figure.png" pageId="15" pageNumber="16">Fig. 7E</figureCitation>
|
||
). The conch cross section is broadly rounded on the antisiphuncular side and forms a characteristic narrow subangular margin on the prosiphuncular side. Adorally the siphuncle measures ca.
|
||
<quantity id="E21C8CA7CD6B6A69F6C241C3FB4DF8B9" box="[1186,1256,1769,1796]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="15" pageNumber="16" unit="mm" value="6.0">6 mm</quantity>
|
||
in diameter (0.08 of conch height) and is almost marginal in position on the concave side of the conch. The septa are narrowly spaced at a distance of ca.
|
||
<quantity id="E21C8CA7CD6B6A69F0C2401AFD4DF8F7" box="[674,744,1840,1866]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="15" pageNumber="16" unit="mm" value="8.0">8 mm</quantity>
|
||
(ca. 0.11 of corresponding conch height) in the adoral part of the fragment. The sutures are directly transverse. The conch surface is ornamented with fine, relatively widely spaced rounded transverse striae, distance between striae is ca.
|
||
<quantity id="E21C8CA7CD6B6A69F609405CFB09F82D" box="[1129,1196,1910,1936]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="15" pageNumber="16" unit="mm" value="3.0">3 mm</quantity>
|
||
at the adoral part of the fragment. The striae form a broadly curved lateral salient and shallow sinuses on the pro-, and antisiphuncular sides.
|
||
</paragraph>
|
||
<paragraph id="255B2142CD746A76F2DD4626FEF3FE32" blockId="16.[189,1399,267,399]" pageId="16" pageNumber="17">
|
||
A second specimen, PMU 26631, consists of a portion of phragmocone with a conch height of
|
||
<quantity id="E21C8CA7CD746A76F7434621FAD2FE9B" box="[1315,1399,267,294]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="16" pageNumber="17" unit="mm" value="16.0">16 mm</quantity>
|
||
apically. Shallow rounded striae ca.
|
||
<quantity id="E21C8CA7CD746A76F03C4605FD11FEF4" box="[604,692,303,329]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="16" pageNumber="17" unit="mm" value="0.7">0.7 mm</quantity>
|
||
in width are displayed on the apical part of the phragmocone. These are almost directly transverse, but form shallow sinuses on the the pro-, and antisiphuncular sides of the conch.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD746A76F2DD469DFE69FCA2" pageId="16" pageNumber="17" type="discussion">
|
||
<paragraph id="255B2142CD746A76F2DD469DFE8AFE6C" blockId="16.[189,303,439,465]" box="[189,303,439,465]" pageId="16" pageNumber="17">
|
||
<heading id="7E13962ECD746A76F2DD469DFE8AFE6C" bold="true" box="[189,303,439,465]" fontSize="11" level="3" pageId="16" pageNumber="17" reason="3">
|
||
<emphasis id="1790FD50CD746A76F2DD469DFE8AFE6C" bold="true" box="[189,303,439,465]" pageId="16" pageNumber="17">Remarks</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD746A76F2DD46CFFE91FDD4" blockId="16.[189,1399,485,617]" pageId="16" pageNumber="17">
|
||
The specimens from the Boda Limestone are very similar to the specimen described and figured from the Vormsi/Pirgu Regional Stage of
|
||
<collectingCountry id="5DF361D2CD746A76F00B4522FD66FD9F" box="[619,707,520,546]" name="Estonia" pageId="16" pageNumber="17">Estonia</collectingCountry>
|
||
(“Lyckholm stage” of
|
||
<bibRefCitation id="41755CB3CD746A76F1B64522FBD8FD9F" author="Teichert C." box="[982,1149,520,546]" pageId="16" pageNumber="17" pagination="264 - 312" refId="ref49750" refString="Teichert C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Palaontologische Zeitschrift 12: 264 - 312." type="journal article" year="1930">Teichert 1930</bibRefCitation>
|
||
: pl. 8, fig. 24) which has a width/height ratio of the conch of 0.76, an apical angle of ca. 16° and a similar ornamentation and curvature.
|
||
</paragraph>
|
||
<paragraph id="255B2142CD746A76F2DD45BAFEFDFD17" blockId="16.[189,344,656,682]" box="[189,344,656,682]" pageId="16" pageNumber="17">
|
||
<heading id="7E13962ECD746A76F2DD45BAFEFDFD17" bold="true" box="[189,344,656,682]" fontSize="11" level="3" pageId="16" pageNumber="17" reason="3">
|
||
<emphasis id="1790FD50CD746A76F2DD45BAFEFDFD17" bold="true" box="[189,344,656,682]" pageId="16" pageNumber="17">Comparison</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD746A76F2DD4595FE69FCA2" blockId="16.[189,1398,702,799]" pageId="16" pageNumber="17">
|
||
<taxonomicName id="E2E45AC1CD746A76F2DD4595FE62FD64" authority="Sweet, 1958" authorityName="Sweet" authorityYear="1958" box="[189,455,702,729]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="16" pageNumber="17" phylum="Mollusca" rank="species" species="strandi">
|
||
<emphasis id="1790FD50CD746A76F2DD4595FE8BFD65" box="[189,302,702,729]" italics="true" pageId="16" pageNumber="17">S. strandi</emphasis>
|
||
<bibRefCitation id="41755CB3CD746A76F3554595FE62FD64" author="Sweet W. C." box="[309,455,702,729]" pageId="16" pageNumber="17" pagination="1 - 178" refId="ref49551" refString="Sweet W. C. 1958. The Middle Ordovician of the Oslo region of Norway. 10. Nautiloid cephalopods. Norsk Geologiske Tidsskrift 31: 1 - 178." type="journal article" year="1958">Sweet, 1958</bibRefCitation>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="E2E45AC1CD746A76F0034595FD68FD65" baseAuthorityName="Schmidt" baseAuthorityYear="1858" box="[611,717,702,729]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="16" pageNumber="17" phylum="Mollusca" rank="species" species="sphinx">
|
||
<emphasis id="1790FD50CD746A76F0034595FDD7FD64" box="[611,626,703,729]" italics="true" pageId="16" pageNumber="17">S</emphasis>
|
||
.
|
||
<emphasis id="1790FD50CD746A76F0E04594FD68FD65" box="[640,717,702,728]" italics="true" pageId="16" pageNumber="17">sphinx</emphasis>
|
||
</taxonomicName>
|
||
in its more compressed conch cross section (width/height = 0.68).
|
||
<taxonomicName id="E2E45AC1CD746A76F37F45C8FE3CFD41" authorityName="Strand" authorityYear="1934" box="[287,409,738,764]" class="Cephalopoda" family="Phragmoceratidae" genus="Protophragmoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="16" pageNumber="17" phylum="Mollusca" rank="species" species="tyriense">
|
||
<emphasis id="1790FD50CD746A76F37F45C8FE3CFD41" box="[287,409,738,764]" italics="true" pageId="16" pageNumber="17">S. tyriense</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="E2E45AC1CD746A76F05245C8FD39FD41" baseAuthorityName="Schmidt" baseAuthorityYear="1858" box="[562,668,738,764]" class="Cephalopoda" family="Protophragmoceratidae" genus="Strandoceras" higherTaxonomySource="GBIF" kingdom="Animalia" order="Discosorida" pageId="16" pageNumber="17" phylum="Mollusca" rank="species" species="sphinx">
|
||
<emphasis id="1790FD50CD746A76F05245C8FDE4FD41" box="[562,577,738,764]" italics="true" pageId="16" pageNumber="17">S</emphasis>
|
||
.
|
||
<emphasis id="1790FD50CD746A76F02F45C8FD39FD41" box="[591,668,738,764]" italics="true" pageId="16" pageNumber="17">sphinx</emphasis>
|
||
</taxonomicName>
|
||
in its smaller adult size (ca.
|
||
<quantity id="E21C8CA7CD746A76F18645C8FB9DFD41" box="[998,1080,738,764]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="16" pageNumber="17" unit="mm" value="60.0">60 mm</quantity>
|
||
conch height) and stronger curvature of the conch.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6DFE72C9CD746A76F2DD446CFAD2FC45" pageId="16" pageNumber="17" type="multiple">
|
||
<paragraph id="255B2142CD746A76F2DD446CFDD8FCDC" blockId="16.[189,637,838,865]" box="[189,637,838,865]" pageId="16" pageNumber="17">
|
||
<heading id="7E13962ECD746A76F2DD446CFDD8FCDC" bold="true" box="[189,637,838,865]" fontSize="11" level="3" pageId="16" pageNumber="17" reason="3">
|
||
<emphasis id="1790FD50CD746A76F2DD446CFDD8FCDC" bold="true" box="[189,637,838,865]" pageId="16" pageNumber="17">Stratigraphic and geographic range</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="255B2142CD746A76F2DD445FFAD2FC45" blockId="16.[189,1399,885,1017]" pageId="16" pageNumber="17">
|
||
Upper Herøya Formation (“Gastropod Limestone”), Skien-Langesund district,
|
||
<collectingCountry id="5DF361D2CD746A76F604445FFB67FC32" box="[1124,1218,885,911]" name="Norway" pageId="16" pageNumber="17">Norway</collectingCountry>
|
||
(
|
||
<bibRefCitation id="41755CB3CD746A76F6B3445FFACCFC32" author="Strand T." box="[1235,1385,885,911]" pageId="16" pageNumber="17" pagination="1 - 117" refId="ref49308" refString="Strand T. 1934. The Upper Ordovician Cephalopods of the Oslo Area. Norsk Geologiske Tidsskrift 14: 1 - 117." type="journal article" year="1934">Strand 1934</bibRefCitation>
|
||
); erratic limestone boulders from Vormsi/Pirgu Regional Stage, Zgierz,
|
||
<collectingCountry id="5DF361D2CD746A76F18944B2FB9FFC0F" box="[1001,1082,920,946]" name="Poland" pageId="16" pageNumber="17">Poland</collectingCountry>
|
||
(
|
||
<bibRefCitation id="41755CB3CD746A76F62844B2FB6DFC0F" author="Dzik J." box="[1096,1224,920,946]" pageId="16" pageNumber="17" refId="ref47068" refString="Dzik J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica, Vol. 45, 203 pp." type="book" year="1984">Dzik 1984</bibRefCitation>
|
||
); Vormsi/Pirgu Regional Stage (“Lyckholm stage”),
|
||
<collectingCountry id="5DF361D2CD746A76F01F4491FD72FC68" box="[639,727,955,981]" name="Estonia" pageId="16" pageNumber="17">Estonia</collectingCountry>
|
||
(
|
||
<bibRefCitation id="41755CB3CD746A76F08A4491FC32FC68" author="Teichert C." box="[746,919,955,981]" pageId="16" pageNumber="17" pagination="264 - 312" refId="ref49750" refString="Teichert C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Palaontologische Zeitschrift 12: 264 - 312." type="journal article" year="1930">Teichert 1930</bibRefCitation>
|
||
); Molodov Horizon, Podolia (
|
||
<bibRefCitation id="41755CB3CD746A76F7674491FF59FC44" author="Balashov E. G." pageId="16" pageNumber="17" pagination="63 - 101" refId="ref46594" refString="Balashov E. G. 1975. Cefalopody molodovskogo i kitayogorodskogo gorizontov Podolii. Voprosy Paleontologii 7: 63 - 101." type="journal article" year="1975">Balashov 1975</bibRefCitation>
|
||
); Johnstorp Formation (“Grey Tretaspis Shale”), Boda Limestone,
|
||
<collectingRegion id="E720EFA0CD746A76F19B44F4FBFEFC45" box="[1019,1115,990,1016]" country="Sweden" name="Dalarna" pageId="16" pageNumber="17">Dalarna</collectingRegion>
|
||
,
|
||
<collectingCountry id="5DF361D2CD746A76F60544F4FB63FC45" box="[1125,1222,990,1016]" name="Sweden" pageId="16" pageNumber="17">Sweden</collectingCountry>
|
||
; all late Katian.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |