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<document id="118F6DFC0EC3B612491959C13E9EDD82" ID-CLB-Dataset="8690" ID-DOI="10.11646/zootaxa.4827.1.1" ID-GBIF-Dataset="c93b6c76-aaac-4fcd-acca-3dc3e0fd62d4" ID-ISSN="1175-5326" ID-Zenodo-Dep="4402308" ID-ZooBank="2CE528C2-DE07-4155-B37D-BE2C342A3901" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1609343086441" checkinUser="plazi" docAuthor="Raines, Bret K." docDate="2020" docId="03A3DF49FF65FF08FF44FB8AFB9E38CE" docLanguage="en" docName="zootaxa.4827.1.1.pdf" docOrigin="Zootaxa 4827 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.16:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="16" docTitle="Caecum spiculum Raines 2020, species novum" docType="treatment" docVersion="14" lastPageNumber="137" masterDocId="FF9AA731FFE2FF81FFD3FFD7FF8D381B" masterDocTitle="A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)" masterLastPageNumber="146" masterPageNumber="1" pageNumber="136" updateTime="1702003088162" updateUser="plazi">
<mods:mods id="3FBB099C17521BF1AF6B16FEB131CBEF" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="7972D193D24D65DCB331B19D02EDF8DC">
<mods:title id="0B74FBB5CD0D1938AE7707A6FC55D742">A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)</mods:title>
</mods:titleInfo>
<mods:name id="B71CEB765FE1792578EECCA6E8165091" type="personal">
<mods:role id="3E1EE03A2031E902C7C946E0C86966ED">
<mods:roleTerm id="1AD3D1528197998321A332AE09847247">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="F86CDE8EE6F42D90779D6FF5B8BCF7C8">Raines, Bret K.</mods:namePart>
</mods:name>
<mods:typeOfResource id="B3E6E89DBBC2AA7CBDFCCE2CD34DE524">text</mods:typeOfResource>
<mods:relatedItem id="4B9F58AE2D2F354F0FECC360F2E7CBBA" type="host">
<mods:titleInfo id="28DBDAF9C1DDD526033B1B25797191A6">
<mods:title id="9BA0D4365E36B0EED22FB27760A8F121">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="36B3A61A3AAE04F3EAC425DCFD8A08DA">
<mods:date id="F6A96B68F07B5B1643FBEF615AAE321C">2020</mods:date>
<mods:detail id="C440B02E088F66989303D24347F94BF9" type="pubDate">
<mods:number id="EF88CF3767D342CA1B6B9A49E15BACBB">2020-08-11</mods:number>
</mods:detail>
<mods:detail id="B68A09CE8AFCBA215E9F2535197BF569" type="volume">
<mods:number id="C76E2358C37AA968606364D1C8791511">4827</mods:number>
</mods:detail>
<mods:detail id="F354466A8E4B89248F0A886CDA3DE425" type="issue">
<mods:number id="F45E3D52ACC7A5519FA4C4D87AE6E22C">1</mods:number>
</mods:detail>
<mods:extent id="3EA99444DE9A921AD75A42438B5FCA81" unit="page">
<mods:start id="51210F9CFB92FA304CB38F713B2CE6EE">1</mods:start>
<mods:end id="E081FCE8B2F0F9D9A47F9A365FE8415A">146</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="83DB49B06555D7E9AF9A9530061717D1">journal article</mods:classification>
<mods:identifier id="3F80F7266595143417CC632BC23540A8" type="CLB-Dataset">8690</mods:identifier>
<mods:identifier id="682C76336BF6712EFB7418AC7C367E83" type="DOI">10.11646/zootaxa.4827.1.1</mods:identifier>
<mods:identifier id="DDBEB3982E9FD4C3F0CAE47DCAD41E71" type="GBIF-Dataset">c93b6c76-aaac-4fcd-acca-3dc3e0fd62d4</mods:identifier>
<mods:identifier id="89EA2012E1519AAF6AD53850775B9C75" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="64ADCCA8D5A838C6E3725AC56DDE7524" type="Zenodo-Dep">4402308</mods:identifier>
<mods:identifier id="FD6DC7AE946DE3FD7F03A4683101BD3D" type="ZooBank">2CE528C2-DE07-4155-B37D-BE2C342A3901</mods:identifier>
</mods:mods>
<treatment id="03A3DF49FF65FF08FF44FB8AFB9E38CE" ID-DOI="http://doi.org/10.5281/zenodo.4457656" ID-GBIF-Taxon="177057013" ID-Zenodo-Dep="4457656" LSID="urn:lsid:plazi:treatment:03A3DF49FF65FF08FF44FB8AFB9E38CE" httpUri="http://treatment.plazi.org/id/03A3DF49FF65FF08FF44FB8AFB9E38CE" lastPageId="137" lastPageNumber="137" pageId="135" pageNumber="136">
<subSubSection id="C3103DD4FF65FF06FF44FB8AFDA13C63" box="[151,556,1117,1144]" pageId="135" pageNumber="136" type="nomenclature">
<paragraph id="8BB56E5FFF65FF06FF44FB8AFDA13C63" blockId="135.[151,632,1117,1180]" box="[151,556,1117,1144]" pageId="135" pageNumber="136">
<heading id="D0FDD933FF65FF06FF44FB8AFDA13C63" bold="true" box="[151,556,1117,1144]" fontSize="11" level="2" pageId="135" pageNumber="136" reason="4">
<emphasis id="B97EB24DFF65FF06FF44FB8AFDA13C63" bold="true" box="[151,556,1117,1144]" pageId="135" pageNumber="136">
<taxonomicName id="4C0A15DCFF65FF06FF44FB8AFEFC3C63" ID-CoL="7QJ3H" authority="Raines, 2020" authorityName="Raines" authorityYear="2020" box="[151,369,1117,1144]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="135" pageNumber="136" phylum="Mollusca" rank="species" species="spiculum" status="sp. nov.">
<emphasis id="B97EB24DFF65FF06FF44FB8AFEFC3C63" bold="true" box="[151,369,1117,1144]" italics="true" pageId="135" pageNumber="136">Caecum spiculum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24D0F36FF65FF06FEABFB8AFDA13C63" box="[376,556,1117,1144]" pageId="135" pageNumber="136" rank="species">species novum</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF65FF06FF44FB55FDF53C80" box="[151,632,1153,1180]" pageId="135" pageNumber="136" type="description">
<paragraph id="8BB56E5FFF65FF06FF44FB55FDF53C80" blockId="135.[151,632,1117,1180]" box="[151,632,1153,1180]" pageId="135" pageNumber="136">
<figureCitation id="133172DAFF65FF06FF44FB55FE963C87" box="[151,283,1154,1180]" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="135" pageNumber="136">Figures 120</figureCitation>
A–E, 121A–H, 122A–B, 126Q
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF65FF06FF44FB11FC843CC5" box="[151,777,1222,1247]" pageId="135" pageNumber="136" type="reference_group">
<paragraph id="8BB56E5FFF65FF06FF44FB11FC843CC5" blockId="135.[151,777,1222,1247]" box="[151,777,1222,1247]" pageId="135" pageNumber="136">
<taxonomicName id="4C0A15DCFF65FF06FF44FB11FF7A3CC5" ID-CoL="a4598e11-fc99-44b6-b25a-485770ba03cd" authorityName="Carpenter" authorityYear="1857" box="[151,247,1222,1246]" class="Gastropoda" family="Caecidae" genus="Fartulum" kingdom="Animalia" order="Littorinimorpha" pageId="135" pageNumber="136" phylum="Mollusca" rank="genus">
<emphasis id="B97EB24DFF65FF06FF44FB11FF7A3CC5" box="[151,247,1222,1246]" italics="true" pageId="135" pageNumber="136">Fartulum</emphasis>
</taxonomicName>
sp. 1—
<bibRefCitation id="EF9B13AEFF65FF06FE90FB11FDC03CC5" author="Kaiser, K. L. &amp; Bryce, C. W." box="[323,589,1222,1247]" pageId="135" pageNumber="136" pagination="1 - 149" refId="ref97902" refString="Kaiser, K. L. &amp; Bryce, C. W. (2001) The Recent molluscan marine fauna of Isla de Malpelo, Colombia. Occasional Paper 1. The Festivus, 33, 1 - 149." type="journal article" year="2001">Kaiser &amp; Bryce, 2001: 18</bibRefCitation>
, pl. 20, figs. 1–1a.
</paragraph>
</subSubSection>
<caption id="DF753ED7FF65FF06FF44F887FCA73FAA" ID-DOI="http://doi.org/10.5281/zenodo.4402619" ID-Zenodo-Dep="4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="135" pageNumber="136" startId="135.[151,250,1872,1896]" targetBox="[151,1435,1270,1848]" targetPageId="135">
<paragraph id="8BB56E5FFF65FF06FF44F887FCA73FAA" blockId="135.[151,1436,1872,1969]" pageId="135" pageNumber="136">
<emphasis id="B97EB24DFF65FF06FF44F887FEA33F73" bold="true" box="[151,302,1872,1896]" pageId="135" pageNumber="136">FIGURE 120.</emphasis>
<taxonomicName id="4C0A15DCFF65FF06FEE5F886FE613F72" authority="Raines, 2020" authorityName="Raines" authorityYear="2020" box="[310,492,1873,1897]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="135" pageNumber="136" phylum="Mollusca" rank="species" species="spiculum" status="sp. nov.">
<emphasis id="B97EB24DFF65FF06FEE5F886FE613F72" box="[310,492,1873,1897]" italics="true" pageId="135" pageNumber="136">Caecum spiculum</emphasis>
</taxonomicName>
<emphasis id="B97EB24DFF65FF06FE26F886FDEF3F73" bold="true" box="[501,610,1872,1897]" pageId="135" pageNumber="136">
<taxonomicNameLabel id="A24D0F36FF65FF06FE26F886FDCA3F72" box="[501,583,1873,1897]" pageId="135" pageNumber="136" rank="species">sp. nov.</taxonomicNameLabel>
A
</emphasis>
. Paratype, profile view with periostracum (SBMNH 637740).
<emphasis id="B97EB24DFF65FF06FB3FF886FB703F72" bold="true" box="[1260,1277,1873,1897]" pageId="135" pageNumber="136">B</emphasis>
. Paratype, profile view without periostracum (SBMNH 637740).
<emphasis id="B97EB24DFF65FF06FD7DF8A3FD4D3F97" bold="true" box="[686,704,1908,1932]" pageId="135" pageNumber="136">C</emphasis>
. Holotype, profile view (SBMNH 637742).
<emphasis id="B97EB24DFF65FF06FB40F8A2FB283F96" bold="true" box="[1171,1189,1909,1933]" pageId="135" pageNumber="136">D</emphasis>
. Paratype, ventral view (SBMNH 637740).
<emphasis id="B97EB24DFF65FF06FEB2F84EFEFF3FAA" bold="true" box="[353,370,1945,1969]" pageId="135" pageNumber="136">E</emphasis>
. Paratype, profile view (SBMNH 637740).
</paragraph>
</caption>
<subSubSection id="C3103DD4FF6AFF09FF44FF40FF7D395A" pageId="136" pageNumber="137" type="materials_examined">
<paragraph id="8BB56E5FFF6AFF09FF44FF40FEA738CD" blockId="136.[151,1437,150,825]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF44FF40FECB38AB" bold="true" box="[151,326,150,177]" pageId="136" pageNumber="137">Type material.</emphasis>
<materialsCitation id="3B626402FF6AFF09FE9DFF40FEA738CD" ID-GBIF-Occurrence="3023454681" collectionCode="SBMNH" pageId="136" pageNumber="137" specimenCode="SBMNH 637742, SBMNH 637740, SBMNH 637743" typeStatus="holotype">
<typeStatus id="54B1D0FDFF6AFF09FE9DFF40FE3438AA" box="[334,441,151,177]" pageId="136" pageNumber="137" type="holotype">Holotype</typeStatus>
,
<specimenCode id="DBACC624FF6AFF09FE16FF40FD0538AA" box="[453,648,151,177]" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH 637742</specimenCode>
;
<typeStatus id="54B1D0FDFF6AFF09FD47FF40FC8F38AA" box="[660,770,151,177]" pageId="136" pageNumber="137" type="paratype">paratypes</typeStatus>
,
<specimenCode id="DBACC624FF6AFF09FCDDFF40FC4038AA" box="[782,973,151,177]" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH 637740</specimenCode>
(3 figured);
<specimenCode id="DBACC624FF6AFF09FB8DFF40FA9038AA" box="[1118,1309,151,177]" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH 637743</specimenCode>
(3 figured, 3 unfigured).
</materialsCitation>
</paragraph>
<paragraph id="8BB56E5FFF6AFF09FF14FF09FF7D395A" blockId="136.[151,1437,150,825]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14FF09FDB338E3" bold="true" box="[199,574,222,248]" pageId="136" pageNumber="137">Additional material examined.</emphasis>
<materialsCitation id="3B626402FF6AFF09FD9AFF09FC0138E2" ID-GBIF-Occurrence="3023455259" box="[585,908,222,249]" collectionCode="SBMNH" pageId="136" pageNumber="137" specimenCode="SBMNH 637741" specimenCount="1">
<emphasis id="B97EB24DFF6AFF09FD9AFF09FD3438E3" bold="true" box="[585,697,222,248]" pageId="136" pageNumber="137">
<collectionCode id="ED1BF69AFF6AFF09FD9AFF09FD3938E3" box="[585,692,222,248]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH</collectionCode>
:
</emphasis>
<specimenCode id="DBACC624FF6AFF09FD16FF08FC0138E2" box="[709,908,223,249]" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH 637741</specimenCode>
</materialsCitation>
,
<materialsCitation id="3B626402FF6AFF09FC48FF08FA1538E2" ID-GBIF-Occurrence="3023455058" box="[923,1432,223,249]" country="Colombia" elevation="21" location="Malpelo" pageId="136" pageNumber="137" specimenCount="1">
Isla de
<location id="8ED53884FF6AFF09FC25FF08FBDB38E2" LSID="urn:lsid:plazi:treatment:03A3DF49FF65FF08FF44FB8AFB9E38CE:8ED53884FF6AFF09FC25FF08FBDB38E2" box="[1014,1110,223,249]" country="Colombia" name="Malpelo" pageId="136" pageNumber="137">Malpelo</location>
,
<collectingCountry id="F31D2ECFFF6AFF09FBB5FF08FB5A38E2" box="[1126,1239,223,249]" name="Colombia" pageId="136" pageNumber="137">Colombia</collectingCountry>
,
<quantity id="4CF2C3BAFF6AFF09FB34FF08FADC38E2" box="[1255,1361,223,249]" metricMagnitude="1" metricUnit="m" metricValue="2.1" metricValueMax="3.0" metricValueMin="1.2" pageId="136" pageNumber="137" unit="m" value="21.0" valueMax="30.0" valueMin="12.0">
<elevation id="0027896CFF6AFF09FB34FF08FADC38E2" box="[1255,1361,223,249]" metricMagnitude="1" metricUnit="m" metricValue="2.1" metricValueMax="3.0" metricValueMin="1.2" pageId="136" pageNumber="137" unit="m" value="21.0" valueMax="30.0" valueMin="12.0">12–30 m</elevation>
</quantity>
, 2 sh
</materialsCitation>
;
<materialsCitation id="3B626402FF6AFF09FF44FED4FED43906" ID-GBIF-Occurrence="3023455079" box="[151,345,259,285]" collectionCode="SBMNH" country="Colombia" pageId="136" pageNumber="137" specimenCode="SBMNH 637738" specimenCount="1">
<specimenCode id="DBACC624FF6AFF09FF44FED4FED43906" box="[151,345,259,285]" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH 637738</specimenCode>
</materialsCitation>
,
<materialsCitation id="3B626402FF6AFF09FEB6FED4FCCF3906" ID-GBIF-Occurrence="3023454900" box="[357,834,259,285]" country="Colombia" elevation="18" location="Malpelo" pageId="136" pageNumber="137" specimenCount="1">
Isla de
<location id="8ED53884FF6AFF09FE65FED4FD9B3906" LSID="urn:lsid:plazi:treatment:03A3DF49FF65FF08FF44FB8AFB9E38CE:8ED53884FF6AFF09FE65FED4FD9B3906" box="[438,534,259,285]" country="Colombia" name="Malpelo" pageId="136" pageNumber="137">Malpelo</location>
,
<collectingCountry id="F31D2ECFFF6AFF09FDF1FED4FD1E3906" box="[546,659,259,285]" name="Colombia" pageId="136" pageNumber="137">Colombia</collectingCountry>
,
<quantity id="4CF2C3BAFF6AFF09FD4CFED4FC883906" box="[671,773,259,285]" metricMagnitude="1" metricUnit="m" metricValue="1.8" metricValueMax="2.4" metricValueMin="1.2" pageId="136" pageNumber="137" unit="m" value="18.0" valueMax="24.0" valueMin="12.0">
<elevation id="0027896CFF6AFF09FD4CFED4FC883906" box="[671,773,259,285]" metricMagnitude="1" metricUnit="m" metricValue="1.8" metricValueMax="2.4" metricValueMin="1.2" pageId="136" pageNumber="137" unit="m" value="18.0" valueMax="24.0" valueMin="12.0">12–24 m</elevation>
</quantity>
, 3 sh
</materialsCitation>
;
<materialsCitation id="3B626402FF6AFF09FC9DFED4FB9D3906" ID-GBIF-Occurrence="3023454984" box="[846,1040,259,285]" collectionCode="SBMNH" country="Colombia" pageId="136" pageNumber="137" specimenCode="SBMNH 637739" specimenCount="1">
<specimenCode id="DBACC624FF6AFF09FC9DFED4FB9D3906" box="[846,1040,259,285]" collectionCode="SBMNH" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34834" lsid="urn:lsid:biocol.org:col:34834" name="Santa Barbara Museum of Natural History" pageId="136" pageNumber="137" type="Museum">SBMNH 637739</specimenCode>
</materialsCitation>
,
<materialsCitation id="3B626402FF6AFF09FBCFFED4FF61395A" ID-GBIF-Occurrence="3023455461" country="Colombia" elevation="24" location="Malpelo" pageId="136" pageNumber="137" specimenCount="1">
Isla de
<location id="8ED53884FF6AFF09FBBDFED4FB433906" LSID="urn:lsid:plazi:treatment:03A3DF49FF65FF08FF44FB8AFB9E38CE:8ED53884FF6AFF09FBBDFED4FB433906" box="[1134,1230,259,285]" country="Colombia" name="Malpelo" pageId="136" pageNumber="137">Malpelo</location>
,
<collectingCountry id="F31D2ECFFF6AFF09FB0AFED4FAC73906" box="[1241,1354,259,285]" name="Colombia" pageId="136" pageNumber="137">Colombia</collectingCountry>
,
<quantity id="4CF2C3BAFF6AFF09FA85FED4FF22395A" metricMagnitude="1" metricUnit="m" metricValue="2.35" metricValueMax="3.0" metricValueMin="1.7" pageId="136" pageNumber="137" unit="m" value="23.5" valueMax="30.0" valueMin="17.0">
<elevation id="0027896CFF6AFF09FA85FED4FF22395A" metricMagnitude="1" metricUnit="m" metricValue="2.35" metricValueMax="3.0" metricValueMin="1.7" pageId="136" pageNumber="137" unit="m" value="23.5" valueMax="30.0" valueMin="17.0">17–30 m</elevation>
</quantity>
, 3 sh
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF6AFF09FF14FE9CFD12397E" box="[199,671,330,357]" pageId="136" pageNumber="137" type="materials_examined">
<paragraph id="8BB56E5FFF6AFF09FF14FE9CFD12397E" blockId="136.[151,1437,150,825]" box="[199,671,330,357]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14FE9CFEEB397F" bold="true" box="[199,358,330,357]" pageId="136" pageNumber="137">
<typeStatus id="54B1D0FDFF6AFF09FF14FE9CFE8F397E" box="[199,258,331,357]" pageId="136" pageNumber="137">Type</typeStatus>
locality.
</emphasis>
<collectingCountry id="F31D2ECFFF6AFF09FEBFFE9CFE19397E" box="[364,404,331,357]" name="Iceland" pageId="136" pageNumber="137">Isla</collectingCountry>
<collectorName id="26FF0B89FF6AFF09FE4FFE9CFD90397E" box="[412,541,331,357]" pageId="136" pageNumber="137">de Malpelo</collectorName>
,
<collectingCountry id="F31D2ECFFF6AFF09FDFAFE9CFD16397E" box="[553,667,331,357]" name="Colombia" pageId="136" pageNumber="137">Colombia</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF6AFF09FF14FEB9FBE239CA" pageId="136" pageNumber="137" type="diagnosis">
<paragraph id="8BB56E5FFF6AFF09FF14FEB9FBE239CA" blockId="136.[151,1437,150,825]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14FEB9FECF3993" bold="true" box="[199,322,366,392]" pageId="136" pageNumber="137">Diagnosis.</emphasis>
Teleoconch subcylindrical, with slight increase in diameter from posterior end to aperture. Surface semi-translucent, sculptured with fine, sinuous, longitudinal striae. Septum mucronate, with pronounced finger-like, dart-shaped mucro. Aperture simple, without a varix. Periostracum thin, translucent tan.
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF6AFF09FF14FE0DFB313B22" pageId="136" pageNumber="137" type="description">
<paragraph id="8BB56E5FFF6AFF09FF14FE0DFB313B22" blockId="136.[151,1437,150,825]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14FE0DFED439EF" bold="true" box="[199,345,474,500]" pageId="136" pageNumber="137">Description.</emphasis>
Protoconch and teleoconchs I, II, III unknown. Teleoconch IV sculptured with short, sinuous, conspicuous, dense, longitudinal striae (
<figureCitation id="133172DAFF6AFF09FD8FFE28FD433A02" box="[604,718,511,537]" captionStart="FIGURE 121" captionStartId="136.[151,250,1596,1620]" captionTargetBox="[151,1435,849,1573]" captionTargetId="figure-269@136.[151,1435,849,1573]" captionTargetPageId="136" captionText="FIGURE 121. Caecum spiculum sp. nov. shells at different growth stages. A. Teleoconchs IV to V (SBMNH 637742). B. Teleoconch IV (SBMNH 637742). C. Teleoconch V (SBMNH 637742). D. Teleoconchs IV to V (SBMNH 637742). E. Teleoconch V (SBMNH 637740). F. Surface of teleoconch IV (SBMNH 637742). G. Surface of teleoconch V (SBMNH 637742). H. Teleoconch V (SBMNH 637742)." figureDoi="http://doi.org/10.5281/zenodo.4402621" httpUri="https://zenodo.org/record/4402621/files/figure.png" pageId="136" pageNumber="137">Fig. 121F</figureCitation>
), transition to teleoconch V marked by slight incised axial line, immediately followed by increase in diameter (
<figureCitation id="133172DAFF6AFF09FD62FDF4FCD53A26" box="[689,856,547,573]" captionStart="FIGURE 121" captionStartId="136.[151,250,1596,1620]" captionTargetBox="[151,1435,849,1573]" captionTargetId="figure-269@136.[151,1435,849,1573]" captionTargetPageId="136" captionText="FIGURE 121. Caecum spiculum sp. nov. shells at different growth stages. A. Teleoconchs IV to V (SBMNH 637742). B. Teleoconch IV (SBMNH 637742). C. Teleoconch V (SBMNH 637742). D. Teleoconchs IV to V (SBMNH 637742). E. Teleoconch V (SBMNH 637740). F. Surface of teleoconch IV (SBMNH 637742). G. Surface of teleoconch V (SBMNH 637742). H. Teleoconch V (SBMNH 637742)." figureDoi="http://doi.org/10.5281/zenodo.4402621" httpUri="https://zenodo.org/record/4402621/files/figure.png" pageId="136" pageNumber="137">Figs. 121A, D</figureCitation>
). Teleoconch V (last growth stage) small for genus [Tol
<quantity id="4CF2C3BAFF6AFF09FF1FFD91FEFE3A7A" box="[204,371,582,609]" metricMagnitude="-3" metricUnit="m" metricValue="1.555" metricValueMax="1.6" metricValueMin="1.51" pageId="136" pageNumber="137" unit="mm" value="1.555" valueMax="1.6" valueMin="1.51">1.51–1.60 mm</quantity>
], tubular, mildly to moderately and regularly arched [Larc:
<quantity id="4CF2C3BAFF6AFF09FBD7FD91FB243A7A" box="[1028,1193,582,609]" metricMagnitude="-4" metricUnit="m" metricValue="6.2" metricValueMax="6.5" metricValueMin="5.8999999999999995" pageId="136" pageNumber="137" unit="mm" value="0.62" valueMax="0.65" valueMin="0.59">0.59–0.65 mm</quantity>
; Arc:
<quantity id="4CF2C3BAFF6AFF09FB39FD90FA1C3A7A" box="[1258,1425,582,609]" metricMagnitude="-4" metricUnit="m" metricValue="1.5" metricValueMax="1.6" metricValueMin="1.4" pageId="136" pageNumber="137" unit="mm" value="0.15" valueMax="0.16" valueMin="0.14">0.14–0.16 mm</quantity>
], subcylindrical with slight increase in diameter from posterior to aperture, semi-translucent (
<figureCitation id="133172DAFF6AFF09FB4FFDBCFB763A9E" box="[1180,1275,619,645]" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="136" pageNumber="137">Fig. 120</figureCitation>
A–B). Surface sculptured with fine, sinuous, dense, longitudinal striae (
<figureCitation id="133172DAFF6AFF09FCC7FD58FCF03AB2" box="[788,893,655,681]" captionStart="FIGURE 121" captionStartId="136.[151,250,1596,1620]" captionTargetBox="[151,1435,849,1573]" captionTargetId="figure-269@136.[151,1435,849,1573]" captionTargetPageId="136" captionText="FIGURE 121. Caecum spiculum sp. nov. shells at different growth stages. A. Teleoconchs IV to V (SBMNH 637742). B. Teleoconch IV (SBMNH 637742). C. Teleoconch V (SBMNH 637742). D. Teleoconchs IV to V (SBMNH 637742). E. Teleoconch V (SBMNH 637740). F. Surface of teleoconch IV (SBMNH 637742). G. Surface of teleoconch V (SBMNH 637742). H. Teleoconch V (SBMNH 637742)." figureDoi="http://doi.org/10.5281/zenodo.4402621" httpUri="https://zenodo.org/record/4402621/files/figure.png" pageId="136" pageNumber="137">Figs. 121</figureCitation>
G–H). Striae continuous and finer than previous stage (
<figureCitation id="133172DAFF6AFF09FF33FD64FEDB3AD6" box="[224,342,691,717]" captionStart="FIGURE 121" captionStartId="136.[151,250,1596,1620]" captionTargetBox="[151,1435,849,1573]" captionTargetId="figure-269@136.[151,1435,849,1573]" captionTargetPageId="136" captionText="FIGURE 121. Caecum spiculum sp. nov. shells at different growth stages. A. Teleoconchs IV to V (SBMNH 637742). B. Teleoconch IV (SBMNH 637742). C. Teleoconch V (SBMNH 637742). D. Teleoconchs IV to V (SBMNH 637742). E. Teleoconch V (SBMNH 637740). F. Surface of teleoconch IV (SBMNH 637742). G. Surface of teleoconch V (SBMNH 637742). H. Teleoconch V (SBMNH 637742)." figureDoi="http://doi.org/10.5281/zenodo.4402621" httpUri="https://zenodo.org/record/4402621/files/figure.png" pageId="136" pageNumber="137">Fig. 121G</figureCitation>
). Posterior [Dpe:
<quantity id="4CF2C3BAFF6AFF09FDC8FD65FD4F3AD6" box="[539,706,690,717]" metricMagnitude="-4" metricUnit="m" metricValue="2.55" metricValueMax="2.6" metricValueMin="2.5" pageId="136" pageNumber="137" unit="mm" value="0.255" valueMax="0.26" valueMin="0.25">0.25–0.26 mm</quantity>
], with rounded shoulder (
<figureCitation id="133172DAFF6AFF09FC0DFD64FBD93AD6" box="[990,1108,691,717]" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="136" pageNumber="137">Fig. 120D</figureCitation>
). Septum mucronate, inflated (
<figureCitation id="133172DAFF6AFF09FF73FD00FE953AEA" box="[160,280,727,753]" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="136" pageNumber="137">Fig. 120D</figureCitation>
). Mucro finger-like, dart-shaped, conical, positioned on dorsal margin (
<figureCitation id="133172DAFF6AFF09FB94FD00FB663AEA" box="[1095,1259,727,753]" captionStart="FIGURE 121" captionStartId="136.[151,250,1596,1620]" captionTargetBox="[151,1435,849,1573]" captionTargetId="figure-269@136.[151,1435,849,1573]" captionTargetPageId="136" captionText="FIGURE 121. Caecum spiculum sp. nov. shells at different growth stages. A. Teleoconchs IV to V (SBMNH 637742). B. Teleoconch IV (SBMNH 637742). C. Teleoconch V (SBMNH 637742). D. Teleoconchs IV to V (SBMNH 637742). E. Teleoconch V (SBMNH 637740). F. Surface of teleoconch IV (SBMNH 637742). G. Surface of teleoconch V (SBMNH 637742). H. Teleoconch V (SBMNH 637742)." figureDoi="http://doi.org/10.5281/zenodo.4402621" httpUri="https://zenodo.org/record/4402621/files/figure.png" pageId="136" pageNumber="137">Figs. 121E, H</figureCitation>
). Aperture [Da:
<quantity id="4CF2C3BAFF6AFF09FF44FD2CFECD3B0E" box="[151,320,762,789]" metricMagnitude="-4" metricUnit="m" metricValue="3.3" metricValueMax="3.4" metricValueMin="3.2" pageId="136" pageNumber="137" unit="mm" value="0.33" valueMax="0.34" valueMin="0.32">0.32–0.34 mm</quantity>
] simple (
<figureCitation id="133172DAFF6AFF09FE7EFD2CFDA53B0E" box="[429,552,763,789]" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="136" pageNumber="137">Fig. 120D</figureCitation>
). No varix. Lip smooth (
<figureCitation id="133172DAFF6AFF09FC98FD2CFC483B0E" box="[843,965,763,789]" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="136" pageNumber="137">Fig. 120D</figureCitation>
). Periostracum thin, translucent tan (
<figureCitation id="133172DAFF6AFF09FABCFD2CFF543B22" captionStart="FIGURE 120" captionStartId="135.[151,250,1872,1896]" captionTargetBox="[151,1435,1270,1848]" captionTargetId="figure-56@135.[151,1435,1270,1848]" captionTargetPageId="135" captionText="FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740)." figureDoi="http://doi.org/10.5281/zenodo.4402619" httpUri="https://zenodo.org/record/4402619/files/figure.png" pageId="136" pageNumber="137">Fig. 120A</figureCitation>
). Operculum unknown. Conceptual reconstruction of growth stages shown in
<figureCitation id="133172DAFF6AFF09FB90FCC8FB353B22" box="[1091,1208,799,825]" captionStart="FIGURE 122" captionStartId="137.[151,250,1066,1090]" captionTargetBox="[151,1437,237,1043]" captionTargetId="figure-46@137.[151,1437,237,1043]" captionTargetPageId="137" captionText="FIGURE 122. Caecum spiculum sp. nov. A. Conceptual reconstruction of growth stages. B. Species distribution map." figureDoi="http://doi.org/10.5281/zenodo.4402623" httpUri="https://zenodo.org/record/4402623/files/figure.png" pageId="136" pageNumber="137">Fig. 122A</figureCitation>
.
</paragraph>
</subSubSection>
<caption id="DF753ED7FF6AFF09FF44F9EBFE633EDB" ID-DOI="http://doi.org/10.5281/zenodo.4402621" ID-Zenodo-Dep="4402621" httpUri="https://zenodo.org/record/4402621/files/figure.png" pageId="136" pageNumber="137" startId="136.[151,250,1596,1620]" targetBox="[151,1435,849,1573]" targetPageId="136">
<paragraph id="8BB56E5FFF6AFF09FF44F9EBFE633EDB" blockId="136.[151,1436,1596,1728]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF44F9EBFEA23E4F" bold="true" box="[151,303,1596,1620]" pageId="136" pageNumber="137">FIGURE 121.</emphasis>
<taxonomicName id="4C0A15DCFF6AFF09FEEBF9EAFE623E4F" authority="Raines, 2020" authorityName="Raines" authorityYear="2020" box="[312,495,1596,1620]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="spiculum" status="sp. nov.">
<emphasis id="B97EB24DFF6AFF09FEEBF9EAFE623E4F" box="[312,495,1596,1620]" italics="true" pageId="136" pageNumber="137">Caecum spiculum</emphasis>
</taxonomicName>
<emphasis id="B97EB24DFF6AFF09FE2AF9EBFDC13E4F" bold="true" box="[505,588,1596,1620]" pageId="136" pageNumber="137">
<taxonomicNameLabel id="A24D0F36FF6AFF09FE2AF9EBFDC13E4F" box="[505,588,1596,1620]" pageId="136" pageNumber="137" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
shells at different growth stages.
<emphasis id="B97EB24DFF6AFF09FC61F9EBFC493E4F" bold="true" box="[946,964,1596,1620]" pageId="136" pageNumber="137">A</emphasis>
. Teleoconchs IV to V (SBMNH 637742).
<emphasis id="B97EB24DFF6AFF09FA56F9EBFA1B3E4F" bold="true" box="[1413,1430,1596,1620]" pageId="136" pageNumber="137">B</emphasis>
. Teleoconch IV (SBMNH 637742).
<emphasis id="B97EB24DFF6AFF09FE2DF9B7FD9D3E63" bold="true" box="[510,528,1632,1656]" pageId="136" pageNumber="137">C</emphasis>
. Teleoconch V (SBMNH 637742).
<emphasis id="B97EB24DFF6AFF09FCAFF9B7FC033E63" bold="true" box="[892,910,1632,1656]" pageId="136" pageNumber="137">D</emphasis>
. Teleoconchs IV to V (SBMNH 637742).
<emphasis id="B97EB24DFF6AFF09FAEDF9B7FAC23E63" bold="true" box="[1342,1359,1632,1656]" pageId="136" pageNumber="137">E</emphasis>
. Teleoconch V (SBMNH 637740).
<emphasis id="B97EB24DFF6AFF09FE69F953FE443E87" bold="true" box="[442,457,1668,1692]" pageId="136" pageNumber="137">F</emphasis>
. Surface of teleoconch IV (SBMNH 637742).
<emphasis id="B97EB24DFF6AFF09FC73F953FC393E87" bold="true" box="[928,948,1668,1692]" pageId="136" pageNumber="137">G</emphasis>
. Surface of teleoconch V (SBMNH 637742).
<emphasis id="B97EB24DFF6AFF09FA51F953FA1B3E87" bold="true" box="[1410,1430,1668,1692]" pageId="136" pageNumber="137">H</emphasis>
. Teleoconch V (SBMNH 637742).
</paragraph>
</caption>
<subSubSection id="C3103DD4FF6AFF09FF14F938FB063F13" box="[199,1163,1774,1801]" pageId="136" pageNumber="137" type="etymology">
<paragraph id="8BB56E5FFF6AFF09FF14F938FB063F13" blockId="136.[151,1437,1774,2017]" box="[199,1163,1774,1801]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14F938FEC33F12" bold="true" box="[199,334,1775,1801]" pageId="136" pageNumber="137">Etymology.</emphasis>
The name is derived from the septum’s mucro, which has dart-like shape.
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF6AFF09FF14F8C5FC823F4B" pageId="136" pageNumber="137" type="distribution">
<paragraph id="8BB56E5FFF6AFF09FF14F8C5FC823F4B" blockId="136.[151,1437,1774,2017]" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14F8C5FE723F37" bold="true" box="[199,511,1810,1837]" pageId="136" pageNumber="137">Distribution and Habitat.</emphasis>
Currently only known from
<typeStatus id="54B1D0FDFF6AFF09FC80F8C4FC0E3F36" box="[851,899,1811,1837]" pageId="136" pageNumber="137">type</typeStatus>
locality,
<collectingCountry id="F31D2ECFFF6AFF09FC22F8C5FB943F37" box="[1009,1049,1810,1836]" name="Iceland" pageId="136" pageNumber="137">Isla</collectingCountry>
de Malpelo,
<collectingCountry id="F31D2ECFFF6AFF09FB6BF8C5FAA73F37" box="[1208,1322,1810,1836]" name="Colombia" pageId="136" pageNumber="137">Colombia</collectingCountry>
. Subtidal,
<quantity id="4CF2C3BAFF6AFF09FF44F8E0FF703F4A" box="[151,253,1847,1873]" metricMagnitude="1" metricUnit="m" metricValue="2.1" metricValueMax="3.0" metricValueMin="1.2" pageId="136" pageNumber="137" unit="m" value="21.0" valueMax="30.0" valueMin="12.0">
12–
<specimenCount id="9D0CA5D6FF6AFF09FF12F8E0FF703F4A" box="[193,253,1847,1873]" pageId="136" pageNumber="137" type="generic">30 m</specimenCount>
</quantity>
. Uncommon on rock and dead coral substrates.
</paragraph>
</subSubSection>
<subSubSection id="C3103DD4FF6AFF08FF14F88CFB9E38CE" lastPageId="137" lastPageNumber="138" pageId="136" pageNumber="137" type="discussion">
<paragraph id="8BB56E5FFF6AFF08FF14F88CFB9E38CE" blockId="136.[151,1437,1774,2017]" lastBlockId="137.[151,1436,151,213]" lastPageId="137" lastPageNumber="138" pageId="136" pageNumber="137">
<emphasis id="B97EB24DFF6AFF09FF14F88CFEB63F6E" bold="true" box="[199,315,1883,1909]" pageId="136" pageNumber="137">Remarks.</emphasis>
<emphasis id="B97EB24DFF6AFF09FE90F88CFD9E3F6F" box="[323,531,1882,1909]" italics="true" pageId="136" pageNumber="137">
<taxonomicName id="4C0A15DCFF6AFF09FE90F88CFD823F6F" authorityName="Raines" authorityYear="2020" box="[323,527,1882,1909]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="spiculum">Caecum spiculum</taxonomicName>
,
</emphasis>
with its pronounced dart-shaped mucro and ribless teleoconch is unique among eastern Pacific caecids. In fact, there are only two species from the western Atlantic that are even remotely comparable,
<taxonomicName id="4C0A15DCFF6AFF09FF29F874FD143FA6" authority="de Folin, 1880" authorityName="de Folin" authorityYear="1880" box="[250,665,1954,1981]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="lineicinctum">
<emphasis id="B97EB24DFF6AFF09FF29F874FE653FA7" box="[250,488,1954,1981]" italics="true" pageId="136" pageNumber="137">Caecum lineicinctum</emphasis>
de Folin, 1880
</taxonomicName>
and
<taxonomicName id="4C0A15DCFF6AFF09FD00F874FC313FA7" box="[723,956,1954,1981]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="trindadense">
<emphasis id="B97EB24DFF6AFF09FD00F874FC313FA7" box="[723,956,1954,1981]" italics="true" pageId="136" pageNumber="137">Caecum trindadense</emphasis>
</taxonomicName>
<bibRefCitation id="EF9B13AEFF6AFF09FC16F875FAA43FA6" author="Lima, S. F. B. &amp; Santos, F. N. &amp; Absalao, R. S." box="[965,1321,1954,1981]" pageId="136" pageNumber="137" pagination="767 - 778" refId="ref98231" refString="Lima, S. F. B., Santos, F. N. &amp; Absalao, R. S. (2013) New species of Caecum (Caenogastropoda: Rissooidea: Caecidae) from the Atlantic coast of South America (Brazil) with a description of the protoconch and growth stages. Zoological Science, 30, 767 - 778. https: // doi. org / 10.2108 / zsj. 30.767" type="journal article" year="2013">
<collectingRegion id="49CEA0BDFF6AFF09FC16F875FB8E3FA7" box="[965,1027,1954,1980]" country="Peru" name="Lima" pageId="136" pageNumber="137">Lima</collectingRegion>
, Santos &amp; Absalão, 2013
</bibRefCitation>
. While
<taxonomicName id="4C0A15DCFF6AFF09FA50F874FE963FFB" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="136" pageNumber="137" phylum="Mollusca" rank="species" species="trindadense">
<emphasis id="B97EB24DFF6AFF09FA50F874FE963FFB" italics="true" pageId="136" pageNumber="137">C. trindadense</emphasis>
</taxonomicName>
has somewhat similar longitudinal striae, the apertural end has a well-defined swelling, and the mucro is strongly recessed and blunt.
<taxonomicName id="4C0A15DCFF6BFF08FE27FF40FD6C38AA" authorityName="de Folin" authorityYear="1880" box="[500,737,151,177]" class="Gastropoda" family="Caecidae" genus="Caecum" kingdom="Animalia" order="Littorinimorpha" pageId="137" pageNumber="138" phylum="Mollusca" rank="species" species="lineicinctum">
<emphasis id="B97EB24DFF6BFF08FE27FF40FD6C38AA" box="[500,737,151,177]" italics="true" pageId="137" pageNumber="138">Caecum lineicinctum</emphasis>
</taxonomicName>
also has a blunt recessed mucro, and the teleoconch has axial growth rings that increase in strength toward the apertural end, forming a varix.
</paragraph>
</subSubSection>
</treatment>
</document>
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