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<document id="C65E9E2E60C97B9D76EEAEB7B460B34E" ID-DOI="10.11646/zootaxa.3683.2.4" ID-GBIF-Dataset="177e5b8c-62b7-4a4e-a2e3-a7ac91578d8c" ID-ISSN="1175-5326" ID-Zenodo-Dep="218653" ID-ZooBank="CD588D74-2452-48BA-9162-E0C30DEDC907" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460644326602" checkinUser="plazi" docAuthor="Simone, Luiz Ricardo L. &amp; Casati, Rafael" docDate="2013" docId="4A1D87F5E054FB04FFD5F971FEADFCA7" docLanguage="en" docName="zt03683p158.pdf" docOrigin="Zootaxa 3683 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Bulimulus beckianum" docType="treatment" docVersion="8" lastPageNumber="157" masterDocId="B624FF8DE05FFB08FF42FF93FF94FFD8" masterDocTitle="New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)" masterLastPageNumber="158" masterPageNumber="145" pageNumber="156" updateTime="1698336597907" updateUser="plazi">
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<mods:title id="F94524386C12B9B73890F26EBD57D4B3">New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)</mods:title>
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<mods:namePart id="B1B57F05B57E6B7D68350960C0363EE3">Simone, Luiz Ricardo L.</mods:namePart>
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<mods:namePart id="18F817B8B687571687C27E1E0527685D">Casati, Rafael</mods:namePart>
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<mods:date id="2319F37CD4386A7BF11C6B0D6DAF69B5">2013</mods:date>
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<treatment id="4A1D87F5E054FB04FFD5F971FEADFCA7" ID-DOI="http://doi.org/10.5281/zenodo.6150446" ID-GBIF-Taxon="119571961" ID-Zenodo-Dep="6150446" LSID="urn:lsid:plazi:treatment:4A1D87F5E054FB04FFD5F971FEADFCA7" httpUri="http://treatment.plazi.org/id/4A1D87F5E054FB04FFD5F971FEADFCA7" lastPageId="12" lastPageNumber="157" pageId="11" pageNumber="156">
<subSubSection id="8AAE6568E054FB04FFD5F971FBBBFEBC" lastPageId="12" lastPageNumber="157" pageId="11" pageNumber="156" type="nomenclature">
<paragraph id="C20B36E3E054FB03FFD5F971FDF9F924" blockId="11.[151,621,1762,1821]" box="[151,621,1762,1788]" pageId="11" pageNumber="156">
<heading id="9943818FE054FB03FFD5F971FDF9F924" bold="true" box="[151,621,1762,1788]" fontSize="11" level="1" pageId="11" pageNumber="156" reason="1">
<emphasis id="F0C0EAF1E054FB03FFD5F971FDF9F924" bold="true" box="[151,621,1762,1788]" pageId="11" pageNumber="156">
<taxonomicName id="05B44D60E054FB03FFD5F971FEB6F924" box="[151,290,1762,1788]" class="Gastropoda" family="Bulimulidae" genus="Bulimulus" higherTaxonomySource="CoL" kingdom="Animalia" order="Stylommatophora" pageId="11" pageNumber="157" phylum="Mollusca" rank="species" species="beckianum">
<emphasis id="F0C0EAF1E054FB03FFD5F971FEB6F924" bold="true" box="[151,290,1762,1788]" italics="true" pageId="11" pageNumber="156">Beckianum</emphasis>
</taxonomicName>
<taxonomicName id="05B44D60E054FB03FE6BF971FDF9F924" authority="(Pfeiffer, 1846)" authorityName="Pfeiffer" authorityYear="1846" baseAuthorityName="Pfeiffer" baseAuthorityYear="1846" box="[297,621,1762,1788]" class="Gastropoda" family="Bulimulidae" genus="Bulimulus" higherTaxonomySource="CoL" kingdom="Animalia" order="Stylommatophora" pageId="11" pageNumber="156" phylum="Mollusca" rank="species" species="beckianum">
<emphasis id="F0C0EAF1E054FB03FE6BF971FE3AF924" bold="true" box="[297,430,1762,1788]" italics="true" pageId="11" pageNumber="156">beckianum</emphasis>
(Pfeiffer, 1846)
</taxonomicName>
</emphasis>
</heading>
</paragraph>
<paragraph id="C20B36E3E054FB03FFD5F896FEBAF8C5" blockId="11.[151,621,1762,1821]" box="[151,302,1797,1821]" pageId="11" pageNumber="156">
(
<figureCitation id="5A8F2A66E054FB03FFDDF896FF6EF8C5" box="[159,250,1797,1821]" captionStart="FIGURES 46 54" captionStartId="10.[151,264,1847,1870]" captionTargetBox="[151,1436,733,1826]" captionTargetId="figure@10.[151,1436,733,1826]" captionTargetPageId="10" captionText="FIGURES 46 54. Shells. Figs. 46 48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50 54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view." httpUri="https://zenodo.org/record/218659/files/figure.png" pageId="11" pageNumber="156">Figs. 51</figureCitation>
55)
</paragraph>
<paragraph id="C20B36E3E054FB03FFD5F8DDFE55F8BC" blockId="11.[151,449,1869,1892]" box="[151,449,1869,1892]" pageId="11" pageNumber="156">Synonymy see Tillier (1981).</paragraph>
<paragraph id="C20B36E3E054FB04FFD5F81CFBBBFEBC" blockId="11.[151,1436,1935,2032]" lastBlockId="12.[151,1437,151,895]" lastPageId="12" lastPageNumber="157" pageId="11" pageNumber="156">
<emphasis id="F0C0EAF1E054FB03FFD5F81CFE12F870" bold="true" box="[151,390,1935,1960]" pageId="11" pageNumber="156">Diagnostic features.</emphasis>
Shell of about 6.5 mm. Color pale brown, translucent. Periostracum thin, shining. Outline turriform; width ~35% of length (
<figureCitation id="5A8F2A66E054FB03FD4DF827FD0DF814" box="[527,665,1972,1996]" captionStart="FIGURES 46 54" captionStartId="10.[151,264,1847,1870]" captionTargetBox="[151,1436,733,1826]" captionTargetId="figure@10.[151,1436,733,1826]" captionTargetPageId="10" captionText="FIGURES 46 54. Shells. Figs. 46 48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50 54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view." httpUri="https://zenodo.org/record/218659/files/figure.png" pageId="11" pageNumber="156">Figs. 5153</figureCitation>
). Protoconch of 2.5 whorls, glossy, tall, suture well-marked; smooth; occupying ~14% of shell length and ~32% of shell width (
<figureCitation id="5A8F2A66E054FB03FC01F84BFC37F828" box="[835,931,2008,2032]" captionStart="FIGURES 46 54" captionStartId="10.[151,264,1847,1870]" captionTargetBox="[151,1436,733,1826]" captionTargetId="figure@10.[151,1436,733,1826]" captionTargetPageId="10" captionText="FIGURES 46 54. Shells. Figs. 46 48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50 54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view." httpUri="https://zenodo.org/record/218659/files/figure.png" pageId="11" pageNumber="156">Figs. 54</figureCitation>
55); border protoconch-teleoconch unclear, orthocline. Spire of ~7 rounded, narrow whorls, growth of whorls continuous up to fourth whorl, angle ~40° (
<figureCitation id="5A8F2A66E053FB04FA21FF04FF21FF0C" captionStart="FIGURES 46 54" captionStartId="10.[151,264,1847,1870]" captionTargetBox="[151,1436,733,1826]" captionTargetId="figure@10.[151,1436,733,1826]" captionTargetPageId="10" captionText="FIGURES 46 54. Shells. Figs. 46 48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50 54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view." httpUri="https://zenodo.org/record/218659/files/figure.png" pageId="12" pageNumber="157">Figs. 54</figureCitation>
55); remaining whorls of similar size (
<figureCitation id="5A8F2A66E053FB04FDC7FF2FFC85FF0C" box="[645,785,188,212]" captionStart="FIGURES 46 54" captionStartId="10.[151,264,1847,1870]" captionTargetBox="[151,1436,733,1826]" captionTargetId="figure@10.[151,1436,733,1826]" captionTargetPageId="10" captionText="FIGURES 46 54. Shells. Figs. 46 48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50 54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view." httpUri="https://zenodo.org/record/218659/files/figure.png" pageId="12" pageNumber="157">Figs. 5153</figureCitation>
); suture well-marked. Sculpture uniform series of axial, narrow ribs, from suture to suture, ~
<quantity id="054C9B06E053FB04FD76FF4CFDFBFF2F" box="[564,623,223,247]" metricMagnitude="0" metricUnit="m" metricValue="1.016" pageId="12" pageNumber="157" unit="in" value="40.0">40 in</quantity>
penultimate whorl; interspaces between ribs equivalent to 4 times their width. Peristome not deflected, orthocline (
<figureCitation id="5A8F2A66E053FB04FD3CFE97FD47FEC4" box="[638,723,260,284]" captionStart="FIGURES 46 54" captionStartId="10.[151,264,1847,1870]" captionTargetBox="[151,1436,733,1826]" captionTargetId="figure@10.[151,1436,733,1826]" captionTargetPageId="10" captionText="FIGURES 46 54. Shells. Figs. 46 48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50 54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view." httpUri="https://zenodo.org/record/218659/files/figure.png" pageId="12" pageNumber="157">Fig. 52</figureCitation>
). Aperture rounded, occupying ~20% of shell length and ~45% of width; lacking teeth; outer lip rounded, simple; inner lip highly concave, superior half slightly convex, inferior half also almost straight and narrow. Callus thin inconspicuous. Umbilicus absent.
</paragraph>
</subSubSection>
<subSubSection id="8AAE6568E053FB04FF85FEE3FBAAFE5F" box="[199,1086,367,392]" pageId="12" pageNumber="157" type="description">
<paragraph id="C20B36E3E053FB04FF85FEE3FBAAFE5F" blockId="12.[151,1437,151,895]" box="[199,1086,367,392]" pageId="12" pageNumber="157">
<emphasis id="F0C0EAF1E053FB04FF85FEE3FEE2FE50" bold="true" box="[199,374,368,392]" pageId="12" pageNumber="157">Measurements</emphasis>
(in mm): MZSP
<date id="B60A1023E053FB04FD75FEFCFD19FE5F" box="[567,653,367,391]" pageId="12" pageNumber="157" value="11-11-24">112411</date>
: 6.5 by 2.2; MZSP
<date id="B60A1023E053FB04FC24FEFCFC28FE5F" box="[870,956,367,391]" pageId="12" pageNumber="157" value="42-11-18">111842</date>
: 4.8 by 2.2.
</paragraph>
</subSubSection>
<subSubSection id="8AAE6568E053FB04FF85FE00FC09FE17" pageId="12" pageNumber="157" type="distribution">
<paragraph id="C20B36E3E053FB04FF85FE00FD5CFE74" blockId="12.[151,1437,151,895]" box="[199,712,403,429]" pageId="12" pageNumber="157">
<emphasis id="F0C0EAF1E053FB04FF85FE00FEF4FE74" bold="true" box="[199,352,403,428]" pageId="12" pageNumber="157">Distribution.</emphasis>
Only known from
<typeStatus id="1D0F8841E053FB04FD75FE06FDF3FE75" box="[567,615,405,429]" pageId="12" pageNumber="157">type</typeStatus>
locality.
</paragraph>
<paragraph id="C20B36E3E053FB04FF85FE24FC09FE17" blockId="12.[151,1437,151,895]" box="[199,925,439,464]" pageId="12" pageNumber="157">
<emphasis id="F0C0EAF1E053FB04FF85FE24FEBEFE08" bold="true" box="[199,298,439,464]" pageId="12" pageNumber="157">Habitat.</emphasis>
Caatinga semi-dry environment; collected inside caves.
</paragraph>
</subSubSection>
<subSubSection id="8AAE6568E053FB04FF85FE48FEADFCA7" pageId="12" pageNumber="157" type="materials_examined">
<paragraph id="C20B36E3E053FB04FF85FE48FE57FDE4" blockId="12.[151,1437,151,895]" pageId="12" pageNumber="157">
<emphasis id="F0C0EAF1E053FB04FF85FE48FE27FE2C" bold="true" box="[199,435,475,500]" pageId="12" pageNumber="157">Material examined.</emphasis>
<collectingCountry id="BAA37673E053FB04FEFFFE4FFDB2FE2C" box="[445,550,476,500]" name="Brazil" pageId="12" pageNumber="157">BRAZIL</collectingCountry>
.
<emphasis id="F0C0EAF1E053FB04FD76FE48FDE6FE2C" bold="true" box="[564,626,475,500]" pageId="12" pageNumber="157">Piauí</emphasis>
; Serra da
<taxonomicName id="05B44D60E053FB04FDAFFE4FFCC2FE2C" box="[749,854,476,500]" class="Gastropoda" family="Orthalicidae" genus="Cyclodontina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="151" phylum="Mollusca" rank="species" species="capivara">Capivara</taxonomicName>
; Coronel José Dias municipality, close to Sítio do Mocó town, Cave Toca de Cima dos Pilão,
<geoCoordinate id="A7805024E053FB04FD38FE6CFC80FDCF" box="[634,788,511,535]" direction="south" orientation="latitude" pageId="12" pageNumber="157" precision="1" value="-8.863084">8°5147.10”S</geoCoordinate>
<geoCoordinate id="A7805024E053FB04FC59FE6CFC59FDCF" box="[795,973,511,535]" direction="west" orientation="longitude" pageId="12" pageNumber="157" precision="1" value="-42.557487">42°3326.96”W</geoCoordinate>
,
<collectionCode id="A4A5AE26E053FB04FC9AFE6CFBB5FDCF" box="[984,1057,511,535]" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="12" pageNumber="157">MZSP</collectionCode>
<date id="B60A1023E053FB04FB6AFE6CFBE9FDCF" box="[1064,1149,511,535]" pageId="12" pageNumber="157" value="11-11-24">112411</date>
, 1 shell,
<collectionCode id="A4A5AE26E053FB04FB9DFE6CFABCFDCF" box="[1247,1320,511,535]" httpUri="http://grbio.org/cool/9yp6-zxp9" name="Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo" pageId="12" pageNumber="157">MZSP</collectionCode>
<date id="B60A1023E053FB04FA6CFE6CFA17FDCF" box="[1326,1411,511,535]" pageId="12" pageNumber="157" value="42-11-18">111842</date>
, 1 shell (R. Casati col, 2012).
</paragraph>
<paragraph id="C20B36E3E053FB04FF85FDD4FBA9FCCC" blockId="12.[151,1437,151,895]" pageId="12" pageNumber="157">
<emphasis id="F0C0EAF1E053FB04FF85FDD4FE54FDB8" bold="true" box="[199,448,583,608]" pageId="12" pageNumber="157">Systematic remarks.</emphasis>
The main character of the genus
<taxonomicName id="05B44D60E053FB04FC1DFDDBFC48FDB8" box="[863,988,584,608]" class="Gastropoda" family="Bulimulidae" genus="Bulimulus" higherTaxonomySource="CoL" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="157" phylum="Mollusca" rank="species" species="beckianum">
<emphasis id="F0C0EAF1E053FB04FC1DFDDBFC48FDB8" box="[863,988,584,608]" italics="true" pageId="12" pageNumber="157">Beckianum</emphasis>
</taxonomicName>
is the narrow whorls in their height, producing a multispiral, narrow whorled, turriform shell. The examined specimens clearly possess these characters.
<collectingCountry id="BAA37673E053FB04FFD5FD03FF22FD70" box="[151,182,656,680]" name="American Samoa" pageId="12" pageNumber="157">As</collectingCountry>
the genus has a single species—
<taxonomicName id="05B44D60E053FB04FD79FD02FD43FD70" box="[571,727,656,680]" class="Gastropoda" family="Bulimulidae" genus="Bulimulus" higherTaxonomySource="CoL" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="157" phylum="Mollusca" rank="species" species="beckianum">
<emphasis id="F0C0EAF1E053FB04FD79FD02FD43FD70" box="[571,727,656,680]" italics="true" pageId="12" pageNumber="157">B. beckianum</emphasis>
</taxonomicName>
, from
<collectingCountry id="BAA37673E053FB04FC68FD1CFCEBFD7F" box="[810,895,655,679]" name="Mexico" pageId="12" pageNumber="157">Mexico</collectingCountry>
to São Paulo—(
<bibRefCitation id="A6254B12E053FB04FB04FD1CFF73FD14" author="Simone" pageId="12" pageNumber="157" refString="Simone, L. R. L. (2006) Land and freshwater molluscs of Brazil. EGB. Fapesp. Sao Paulo, 390 pp." type="book" year="2006">Simone, 2006, and references therein</bibRefCitation>
) there is that single species to identify. However, the examined specimens have a more developed axial sculpture and a protoconch with 1 more whorl if compared with the typical
<taxonomicName id="05B44D60E053FB04FCA1FD4AFBEFFD28" box="[995,1147,728,752]" class="Gastropoda" family="Bulimulidae" genus="Bulimulus" higherTaxonomySource="CoL" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="157" phylum="Mollusca" rank="species" species="beckianum">
<emphasis id="F0C0EAF1E053FB04FCA1FD4AFBEFFD28" box="[995,1147,728,752]" italics="true" pageId="12" pageNumber="157">B. beckianum</emphasis>
</taxonomicName>
(
<bibRefCitation id="A6254B12E053FB04FBC8FD44FA04FD37" author="Simone" box="[1162,1424,727,751]" pageId="12" pageNumber="157" refString="Simone, L. R. L. (2006) Land and freshwater molluscs of Brazil. EGB. Fapesp. Sao Paulo, 390 pp." type="book" year="2006">Simone, 2006, fig. 685</bibRefCitation>
). Despite these differences, the description of a new species is considered premature.
</paragraph>
<paragraph id="C20B36E3E053FB04FF85FC8CFEADFCA7" blockId="12.[151,1437,151,895]" pageId="12" pageNumber="157">
The extraordinary distribution of
<taxonomicName id="05B44D60E053FB04FD7DFCB2FD43FCE0" box="[575,727,800,824]" class="Gastropoda" family="Bulimulidae" genus="Bulimulus" higherTaxonomySource="CoL" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="157" phylum="Mollusca" rank="species" species="beckianum">
<emphasis id="F0C0EAF1E053FB04FD7DFCB2FD43FCE0" box="[575,727,800,824]" italics="true" pageId="12" pageNumber="157">B. beckianum</emphasis>
</taxonomicName>
is possibly an indicative of anthropic transportation, as well as that under this epithet may exist several similar-shelled species. Further studies are certainly necessary as normal for subulinids.
</paragraph>
</subSubSection>
</treatment>
</document>