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<document id="60406A5BA592C1B3572696C5DCB0D412" ID-DOI="10.5070/P940753832" ID-ISSN="0031-0298" ID-Zenodo-Dep="10913593" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1712170257456" checkinUser="felipe" docAuthor="Raines, Bret" docDate="2023" docId="204687F7FFC59024AD6E9AF8FDBC50AA" docLanguage="en" docName="PaleoBios.40.7.1-11.pdf" docOrigin="PaleoBios 40 (1928)" docSource="http://dx.doi.org/10.5070/p940753832" docStyle="DocumentStyle:76F55B8832C4952BA7DD61B33E1F0E81.1:PaleoBios.2023-.journal_article" docStyleId="76F55B8832C4952BA7DD61B33E1F0E81" docStyleName="PaleoBios.2023-.journal_article" docStyleVersion="1" docTitle="Caecum brasilicum de Folin 1874" docType="treatment" docVersion="2" lastPageNumber="8" masterDocId="DC7FFF8FFFCD902DAC6D9E3AFF89511A" masterDocTitle="Caecidae (Mollusca: Gastropoda) from late Miocene exposures of the “ Imperial ” Formation in Riverside County, California" masterLastPageNumber="11" masterPageNumber="1" pageNumber="7" updateTime="1712170760598" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-SA-4.0">
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<mods:title id="068AD263CC0F065609E23F6FD5B64580">Caecidae (Mollusca: Gastropoda) from late Miocene exposures of the “ Imperial ” Formation in Riverside County, California</mods:title>
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<mods:date id="385F3664858C053547B435938660F16B">2023</mods:date>
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<mods:number id="47A12CFBFFA8FF7911969AF33D853867">1928</mods:number>
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<treatment id="204687F7FFC59024AD6E9AF8FDBC50AA" LSID="urn:lsid:plazi:treatment:204687F7FFC59024AD6E9AF8FDBC50AA" httpUri="http://treatment.plazi.org/id/204687F7FFC59024AD6E9AF8FDBC50AA" lastPageId="9" lastPageNumber="8" pageId="8" pageNumber="7">
<subSubSection id="E0F5656AFFC59025AD6E9AF8FD0455C0" box="[259,653,1218,1242]" pageId="8" pageNumber="7" type="nomenclature">
<paragraph id="A85036E1FFC59025AD6E9AF8FD0455C0" blockId="8.[259,653,1218,1274]" box="[259,653,1218,1242]" pageId="8" pageNumber="7">
<heading id="F318818DFFC59025AD6E9AF8FD0455C0" allCaps="true" box="[259,653,1218,1242]" centered="true" fontSize="10" level="2" pageId="8" pageNumber="7" reason="2">
<taxonomicName id="6FEF4D62FFC59025AD6E9AF8FD0455C0" ID-CoL="P8QB" authority="DE FOLIN, 1874" authorityName="de Folin" authorityYear="1874" box="[259,653,1218,1242]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="8" pageNumber="7" phylum="Mollusca" rank="species" species="brasilicum">
<emphasis id="9A9BEAF3FFC59025AD6E9AF8FE5755C3" box="[259,478,1218,1241]" italics="true" pageId="8" pageNumber="7">CAECUM BRASILICUM</emphasis>
DE
<bibRefCitation id="CC7E4B10FFC59025AE6B9AF8FD0455C0" author="Folin, L. de" box="[518,653,1218,1242]" pageId="8" pageNumber="7" pagination="210 - 214" refId="ref5864" refString="Folin, L. de. 1874. Sur les cotes du Bresil. Les Fonds de la Mer 2: 210 - 214." type="journal article" year="1874">FOLIN, 1874</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="E0F5656AFFC59025ADFE9AD8FE7455E3" box="[403,509,1249,1274]" pageId="8" pageNumber="7" type="description">
<paragraph id="A85036E1FFC59025ADFE9AD8FE7455E3" blockId="8.[259,653,1218,1274]" box="[403,509,1249,1274]" pageId="8" pageNumber="7">
<figureCitation id="30D42A64FFC59025ADFE9AD8FE7455E3" box="[403,509,1249,1274]" captionStart="Figure 6" captionStartId="8.[831,910,794,818]" captionTargetBox="[832,1520,192,768]" captionTargetId="figure-591@8.[832,1523,192,768]" captionTargetPageId="8" captionText="Figure 6AC. Caecum brasilicum: AB, LACMIP 43085.7, LACMIP 43085.8, profile views; C, LACMIP 43085.9, ventral view. Scale bar=500μm" figureDoi="http://doi.org/10.5281/zenodo.10913605" httpUri="https://zenodo.org/record/10913605/files/figure.png" pageId="8" pageNumber="7">FIG. 6AC</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="E0F5656AFFC59025ACFD9B1CFD7454EA" pageId="8" pageNumber="7" type="reference_group">
<paragraph id="A85036E1FFC59025ACFD9B1CFDEE5479" blockId="8.[112,801,1318,1908]" pageId="8" pageNumber="7">
<treatmentCitationGroup id="88FF11CFFFC59025ACFD9B1CFDEE5479" pageId="8" pageNumber="7">
<treatmentCitation id="294E10F0FFC59025ACFD9B1CFDE4545A" author="Folin, L. de" box="[144,621,1318,1345]" page="212" pageId="8" pageNumber="7" year="1874">
<taxonomicName id="6FEF4D62FFC59025ACFD9B1CFDE4545A" ID-CoL="P8QB" authority="de Folin, 1874: 212" authorityName="de Folin" authorityPageNumber="212" authorityYear="1874" box="[144,621,1318,1345]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="8" pageNumber="7" phylum="Mollusca" rank="species" species="brasilicum">
<emphasis id="9A9BEAF3FFC59025ACFD9B1CFEFE545A" box="[144,375,1318,1344]" italics="true" pageId="8" pageNumber="7">Caecum brasilicum</emphasis>
<materialsCitation id="18873CBCFFC59025AD109B1CFDEA5479" country="Brazil" location="Brazil" pageId="8" pageNumber="7" specimenCount="19" typeStatus="syntype">
de
<bibRefCitation id="CC7E4B10FFC59025ADCF9B1CFDE4545A" author="Folin, L. de" box="[418,621,1318,1345]" pageId="8" pageNumber="7" pagination="210 - 214" refId="ref5864" refString="Folin, L. de. 1874. Sur les cotes du Bresil. Les Fonds de la Mer 2: 210 - 214." type="journal article" year="1874">Folin, 1874: 212</bibRefCitation>
, pl. 9, fig. 6,
<specimenCount id="BEE9FD68FFC59025AF6D9B1CFF56547E" count="19" pageId="8" pageNumber="7" type="generic" typeStatus="syntype">19 syntypes</specimenCount>
MNHN-IM-2000-25785,
<collectingCountry id="D0F87671FFC59025AE7A9B73FDEA5479" box="[535,611,1353,1379]" name="Brazil" pageId="8" pageNumber="7">Brazil</collectingCountry>
</materialsCitation>
</taxonomicName>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="A85036E1FFC59025ACFD9B57FD7454EA" blockId="8.[112,801,1318,1908]" pageId="8" pageNumber="7">
<treatmentCitationGroup id="88FF11CFFFC59025ACFD9B57FD7454EA" pageId="8" pageNumber="7">
<taxonomicName id="6FEF4D62FFC59025ACFD9B57FEF1549C" ID-CoL="P8QB" authorityName="de Folin" authorityYear="1874" box="[144,376,1388,1415]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="8" pageNumber="7" phylum="Mollusca" rank="species" species="brasilicum">
<emphasis id="9A9BEAF3FFC59025ACFD9B57FEF1549C" box="[144,376,1388,1415]" italics="true" pageId="8" pageNumber="7">Caecum brasilicum</emphasis>
</taxonomicName>
<treatmentCitation id="294E10F0FFC59025ADF09B56FDE8549D" author="Kisch, B. S." box="[413,609,1388,1415]" page="39" pageId="8" pageNumber="7" year="1959">
<bibRefCitation id="CC7E4B10FFC59025ADF09B56FDE8549D" author="Kisch, B. S." box="[413,609,1388,1415]" pageId="8" pageNumber="7" pagination="15 - 42" refId="ref6426" refString="Kisch, B. S. 1959. La Collection de Caecidae Marquis de Folin au Museum National d'Histoire Naturelle. Journal de Conchyliologie 99: 15 - 42." type="journal article" year="1959">Kisch, 1959: 39</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="294E10F0FFC59025AE009B56FEBF54B0" author="Mello, R. de &amp; P. Maestrati" page="151" pageId="8" pageNumber="7" year="1986">
<bibRefCitation id="CC7E4B10FFC59025AE009B56FEBF54B0" author="Mello, R. de &amp; P. Maestrati" pageId="8" pageNumber="7" pagination="145 - 166" refId="ref6919" refString="Mello, R. de L. S. &amp; P. Maestrati. 1986. A Familia Caecidae Gray, 1850 no nordeste do Brasil. Cadernos Omega da Universidade Federal Rural de Pernambuco, Serie Ciencias Aquaticas. Recife. 2: 145 - 166." type="journal article" year="1986">Mello &amp; Maestrati, 1986: 151</bibRefCitation>
</treatmentCitation>
, fig. 6;
<treatmentCitation id="294E10F0FFC59025ADFC9BAAFDC154B0" author="Rios, E. C." box="[401,584,1423,1450]" page="56" pageId="8" pageNumber="7" year="1994">
<bibRefCitation id="CC7E4B10FFC59025ADFC9BAAFDC154B0" author="Rios, E. C." box="[401,584,1423,1450]" pageId="8" pageNumber="7" refId="ref7688" refString="Rios, E. C. 1994. Seashells of Brazil. FundaCao Universidade do Rio Grande, Rio Grande. 368 pp." type="book" year="1994">Rios, 1994: 56</bibRefCitation>
</treatmentCitation>
, pl. 18, fig. 1994;
<treatmentCitation id="294E10F0FFC59025AC1D9B89FE6F54D4" author="Gomes, R. S. &amp; R. S. Absalao" box="[112,486,1459,1486]" page="515" pageId="8" pageNumber="7" year="1996">
<bibRefCitation id="CC7E4B10FFC59025AC1D9B89FE6F54D4" author="Gomes, R. S. &amp; R. S. Absalao" box="[112,486,1459,1486]" pageId="8" pageNumber="7" pagination="513 - 531" refId="ref6008" refString="Gomes, R. S. and R. S. Absalao. 1996. Lista comentada e ilustrada dos Caecidae (Mollusca, Prosobranchia, Mesogastropoda) da OperaCAo Oceanografica Geomar XII. Revista Brasileira de Zoologia 13 (2): 513 - 531." type="journal article" year="1996">Gomes &amp; Absalão, 1996: 515</bibRefCitation>
</treatmentCitation>
, figs. 13;
<treatmentCitation id="294E10F0FFC59025AE1F9B89FEA354EA" author="Oliveira, M. P. &amp; M. N. Almeida" page="2" pageId="8" pageNumber="7" year="1999">
<bibRefCitation id="CC7E4B10FFC59025AE1F9B89FEA354EA" author="Oliveira, M. P. &amp; M. N. Almeida" pageId="8" pageNumber="7" pagination="1 - 12" refId="ref7103" refString="Oliveira, M. P., and M. N. Almeida. 1999. ContribuiCao ao conhecimento da familia Caecidae (Mollusca, Gastropoda) no Brasil. Strombus, Sao Paulo, 4: 1 - 12." type="journal article" year="1999">Oliveira &amp; Almeida, 1999: 2</bibRefCitation>
</treatmentCitation>
, fig. 4;
<treatmentCitation id="294E10F0FFC59025ADED9BECFDF454EA" author="Costa, F. M. P. &amp; A. M. S. Pires-Vanin &amp; S. F. B. Lima" box="[384,637,1494,1521]" page="84" pageId="8" pageNumber="7" year="2021">
<bibRefCitation id="CC7E4B10FFC59025ADED9BECFDF454EA" author="Costa, F. M. P. &amp; A. M. S. Pires-Vanin &amp; S. F. B. Lima" box="[384,637,1494,1521]" pageId="8" pageNumber="7" pagination="83 - 88" refId="ref5285" refString="Costa, F. M. P., A. M. S. Pires-Vanin, and S. F. B. Lima. 2021. Caecidae (Gastropoda: Truncatelloidea) associated with unconsolidated carbonate substrates of the Abrolhos coral bank (Bahia State, Brazil). American Malacological Bulletin 38 (2): 83 - 88." type="journal article" year="2021">Costa et al. 2021: 84</bibRefCitation>
</treatmentCitation>
, fig. 2AC.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="E0F5656AFFC59025ACFD9BC3FA895415" pageId="8" pageNumber="7" type="diagnosis">
<paragraph id="A85036E1FFC59025ACFD9BC3FD135669" blockId="8.[112,801,1318,1908]" pageId="8" pageNumber="7">
<emphasis id="9A9BEAF3FFC59025ACFD9BC3FE085709" bold="true" box="[144,385,1529,1555]" pageId="8" pageNumber="7">Original diagnosis</emphasis>
&quot;Testa tubularia, subcylindrica, satis arcuata, crystallina, nitidissima; annulis XX-XXIV, quadratis, satis prominentibus et latis, interstitiis latis separatis, cincta; striae longitudinales annulos et interstitia decussantes; interdum annuli primi acuti vel subrotundati, haud longitudinaliter strigis decussati; aperturam versus contracta; apertura saepe marginata, parum declivis; septum ungulatum, interdum submucronatum vel subacutum, margine laterali undulato. Operculum bruneo-flavum concavum, suturae distinctae, anfractus subconvexi.&quot; de
<bibRefCitation id="CC7E4B10FFC59025ADD49963FD1F5669" author="Folin, L. de" box="[441,662,1881,1908]" pageId="8" pageNumber="7" pagination="210 - 214" refId="ref5864" refString="Folin, L. de. 1874. Sur les cotes du Bresil. Les Fonds de la Mer 2: 210 - 214." type="journal article" year="1874">Folin (1874: 212)</bibRefCitation>
.
</paragraph>
<paragraph id="A85036E1FFC59025AF0D9D82FA895415" blockId="8.[832,1521,952,1894]" pageId="8" pageNumber="7">
<emphasis id="9A9BEAF3FFC59025AF0D9D82FBE952C8" bold="true" box="[864,1120,952,978]" pageId="8" pageNumber="7">English translation</emphasis>
&quot;Shell tubular, subcylindrical, quite curved, crystal like, shiny; 20-24 annular rings, squarish, quite prominent and broad, separated by wide intervals, encircled; longitudinal striae covering rings and intervals; sometimes rings are first sharp or somewhat rounded, without lengthwise striae; distally spaced,often widening toward the aperture, somewhat sloping; septum hoof-like, sometimes submucronatus or subacute, lateral margin wavy. Operculum brownish-yellow convex, sutures distinct, whorls subconvex.&quot;
</paragraph>
</subSubSection>
<subSubSection id="E0F5656AFFC59024AF0D9B22FD745039" lastPageId="9" lastPageNumber="8" pageId="8" pageNumber="7" type="description">
<paragraph id="A85036E1FFC59025AF0D9B22FB0F5460" blockId="8.[832,1521,952,1894]" pageId="8" pageNumber="7">
<emphasis id="9A9BEAF3FFC59025AF0D9B22FBFA5428" bold="true" box="[864,1139,1304,1330]" pageId="8" pageNumber="7">Referred Specimens</emphasis>
—LACMIP 43085.10 (
<specimenCount id="BEE9FD68FFC59025A9E09B22FC08544C" count="1" pageId="8" pageNumber="7" type="generic">1 specimen</specimenCount>
); LACMIP 43085.11 (
<specimenCount id="BEE9FD68FFC59025A8DC9B06FAE1544C" box="[1201,1384,1339,1366]" count="7" pageId="8" pageNumber="7" type="generic">7 specimens</specimenCount>
); LACMIP 43085.12 (
<specimenCount id="BEE9FD68FFC59025AFA59B64FBF05460" box="[968,1145,1374,1402]" count="66" pageId="8" pageNumber="7" type="generic">66 specimens</specimenCount>
).
</paragraph>
<paragraph id="A85036E1FFC59025AF0D9BBBFA1354F8" blockId="8.[832,1521,952,1894]" pageId="8" pageNumber="7">
<emphasis id="9A9BEAF3FFC59025AF0D9BBBFC735481" bold="true" box="[864,1018,1409,1435]" pageId="8" pageNumber="7">Occurrence</emphasis>
<emphasis id="9A9BEAF3FFC59025AF979BB9FB9E5486" box="[1018,1047,1411,1436]" italics="true" pageId="8" pageNumber="7"></emphasis>
<materialsCitation id="18873CBCFFC59025A8759BB8FA1F54F8" county="Riverside County" location="Riverside County" pageId="8" pageNumber="7" specimenCount="1" stateProvince="California">
Known only from immediately above and below the
<taxonomicName id="6FEF4D62FFC59025AF959B9FFB0954A5" authorityName="Guettard" authorityYear="1770" box="[1016,1152,1445,1471]" class="Gastropoda" family="Vermetidae" genus="Thylacodes" kingdom="Animalia" order="Littorinimorpha" pageId="8" pageNumber="7" phylum="Mollusca" rank="genus">
<emphasis id="9A9BEAF3FFC59025AF959B9FFB0954A5" box="[1016,1152,1445,1471]" italics="true" pageId="8" pageNumber="7">Thylacodes</emphasis>
</taxonomicName>
beds near the base of section SC
<locationDeviation id="B9E22FC3FFC59025AF0E9BF2FBA654F8" box="[867,1071,1480,1506]" location="Super Creek" pageId="8" pageNumber="7">
<quantity id="6F179B04FFC59025AF0E9BF2FC0654F8" box="[867,911,1480,1506]" metricMagnitude="-2" metricUnit="m" metricValue="7.62" pageId="8" pageNumber="7" unit="in" value="3.0">3 in</quantity>
Super Creek
</locationDeviation>
,
<collectingCounty id="41314E6DFFC59025A8549BF2FA8654F8" box="[1081,1295,1480,1506]" pageId="8" pageNumber="7">Riverside County</collectingCounty>
,
<collectingRegion id="6A2BF803FFC59025A9749BF2FA1F54F8" box="[1305,1430,1480,1506]" country="United States of America" name="California" pageId="8" pageNumber="7">California</collectingRegion>
</materialsCitation>
.
</paragraph>
<paragraph id="A85036E1FFC59024AF0D9BD1FD745039" blockId="8.[832,1521,952,1894]" lastBlockId="9.[112,801,194,433]" lastPageId="9" lastPageNumber="8" pageId="8" pageNumber="7">
<emphasis id="9A9BEAF3FFC59025AF0D9BD1FC77571F" bold="true" box="[864,1022,1515,1541]" pageId="8" pageNumber="7">Description</emphasis>
— Protoconch and subadult stages not observed. Teleoconch average size for genus [Tol:
<quantity id="6F179B04FFC59025A9C69835FC3A5756" metricMagnitude="-3" metricUnit="m" metricValue="1.9249999999999998" metricValueMax="2.05" metricValueMin="1.8" pageId="8" pageNumber="7" unit="mm" value="1.9249999999999998" valueMax="2.05" valueMin="1.8">1.80 2.05 mm</quantity>
], tubular, strongly and regularly arched [Larc:
<quantity id="6F179B04FFC59025AF2D986FFC7F576A" box="[832,1014,1621,1648]" metricMagnitude="-4" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="8" pageNumber="7" unit="mm" value="0.55" valueMax="0.6" valueMin="0.5">0.500.60 mm</quantity>
; Arc:
<quantity id="6F179B04FFC59025A855986FFB665775" box="[1080,1263,1620,1648]" metricMagnitude="-4" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" pageId="8" pageNumber="7" unit="mm" value="0.225" valueMax="0.25" valueMin="0.2">0.200.25 mm</quantity>
], subcylindrical with increase in diameter from posterior to aperture, creamy white. Axial sculpture consists of 2022 rings, which may vary from triangular in posterior region becoming squared toward aperture. Axial interspaces about the same width as rings. Posterior [Dpe:
<quantity id="6F179B04FFC59025A894993FFA255605" box="[1273,1452,1796,1823]" metricMagnitude="-4" metricUnit="m" metricValue="3.3999999999999995" metricValueMax="3.5999999999999996" metricValueMin="3.2" pageId="8" pageNumber="7" unit="mm" value="0.33999999999999997" valueMax="0.36" valueMin="0.32">0.320.36 mm</quantity>
] with squared shoulder. Septum mucronate, flattened to re- cessed. Mucro with projected rounded point, positioned along dorsal margin. Aperture [Da:
<quantity id="6F179B04FFC49024AE499EF9FD5351C7" box="[548,730,194,222]" metricMagnitude="-4" metricUnit="m" metricValue="4.9" metricValueMax="5.2" metricValueMin="4.6" pageId="9" pageNumber="8" unit="mm" value="0.49" valueMax="0.52" valueMin="0.46">0.460.52 mm</quantity>
] with slight downturn, mildly constricted. No varix. Lip smooth, weakly developed, with slightly deflected peristome.
</paragraph>
</subSubSection>
<subSubSection id="E0F5656AFFC49024ACFD9F16FDBC50AA" pageId="9" pageNumber="8" type="discussion">
<paragraph id="A85036E1FFC49024ACFD9F16FDBC50AA" blockId="9.[112,801,194,433]" pageId="9" pageNumber="8">
<emphasis id="9A9BEAF3FFC49024ACFD9F16FEA8505C" bold="true" box="[144,289,300,326]" pageId="9" pageNumber="8">Discussion</emphasis>
— As pointed out by de
<bibRefCitation id="CC7E4B10FFC49024AE2B9F16FCA9505D" author="Folin, L. de" box="[582,800,300,327]" pageId="9" pageNumber="8" pagination="210 - 214" refId="ref5864" refString="Folin, L. de. 1874. Sur les cotes du Bresil. Les Fonds de la Mer 2: 210 - 214." type="journal article" year="1874">Folin (1874: 212)</bibRefCitation>
and
<bibRefCitation id="CC7E4B10FFC49024ACC59F6AFDA15070" author="Gomes, R. S. &amp; R. S. Absalao" box="[168,552,335,362]" pageId="9" pageNumber="8" pagination="513 - 531" refId="ref6008" refString="Gomes, R. S. and R. S. Absalao. 1996. Lista comentada e ilustrada dos Caecidae (Mollusca, Prosobranchia, Mesogastropoda) da OperaCAo Oceanografica Geomar XII. Revista Brasileira de Zoologia 13 (2): 513 - 531." type="journal article" year="1996">Gomes &amp; Absalão (1996: 527)</bibRefCitation>
,
<taxonomicName id="6FEF4D62FFC49024AE5B9F6AFCA95070" authorityName="de Folin" authorityYear="1874" box="[566,800,336,362]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="9" pageNumber="8" phylum="Mollusca" rank="species" species="brasilicum">
<emphasis id="9A9BEAF3FFC49024AE5B9F6AFCA95070" box="[566,800,336,362]" italics="true" pageId="9" pageNumber="8">Caecum brasilicum</emphasis>
</taxonomicName>
will often feature
<specimenCount id="BEE9FD68FFC49024AD339F49FE565097" box="[350,479,371,397]" count="2" pageId="9" pageNumber="8" type="generic" typeStatus="types">two types</specimenCount>
of rings (triangular and quadrangular) on a single specimen.
</paragraph>
</subSubSection>
</treatment>
</document>