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<document id="B2309A0AED727A484318F2C4AD3231DD" ID-DOI="10.5281/zenodo.7910199" ID-ISSN="2305-2562" ID-Zenodo-Dep="7910199" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1683577865846" checkinUser="felipe" docAuthor="Herbert, D. G." docDate="2007" docId="03ED87816A60FD66FE5CFC08706EFE1F" docLanguage="en" docName="AfrInvertebr.48.2.1-19.pdf" docOrigin="African Invertebrates 48 (2)" docStyle="DocumentStyle:C20B10C002986E51083406A4EACF003A.3:AfrInvertebr.2001-2007.journal_article" docStyleId="C20B10C002986E51083406A4EACF003A" docStyleName="AfrInvertebr.2001-2007.journal_article" docStyleVersion="3" docTitle="Prestonella quadingensis : Connolly 1929" docType="treatment" docVersion="4" lastPageNumber="14" masterDocId="FFD4FFF96A6CFD6BFFD5FFCE7249FFF1" masterDocTitle="Revision of the genus Prestonella (Mollusca: Gastropoda: Orthalicoidea: Bulimulidae s. l.), a distinctive component of the African land snail fauna" masterLastPageNumber="19" masterPageNumber="1" pageNumber="13" updateTime="1699498905315" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="4F315D67A8C734CC321D5748AB297488">Revision of the genus Prestonella (Mollusca: Gastropoda: Orthalicoidea: Bulimulidae s. l.), a distinctive component of the African land snail fauna</mods:title>
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<mods:namePart id="C745E2BD71796FD1C7D040CFA1C845FE">Herbert, D. G.</mods:namePart>
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<mods:title id="D65A73E649DE0EE543A1C3327A517E3D">African Invertebrates</mods:title>
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<mods:date id="D56A9ADACCAF88D1E6CB604533CC5D9C">2007</mods:date>
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<mods:number id="601547681C69C2F813BA3417654C4872">2007-12-31</mods:number>
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<mods:number id="BBE48EAF3FE6D42A5EC9A9BF112E64C7">48</mods:number>
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<mods:identifier id="53A62F56F025D877173CA371B0ECB422" type="ISSN">2305-2562</mods:identifier>
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<treatment id="03ED87816A60FD66FE5CFC08706EFE1F" LSID="urn:lsid:plazi:treatment:03ED87816A60FD66FE5CFC08706EFE1F" httpUri="http://treatment.plazi.org/id/03ED87816A60FD66FE5CFC08706EFE1F" lastPageId="13" lastPageNumber="14" pageId="12" pageNumber="13">
<subSubSection id="C35E651C6A60FD67FE5CFC08711EFC2E" box="[393,855,966,991]" pageId="12" pageNumber="13" type="nomenclature">
<paragraph id="8BFB36976A60FD67FE5CFC08711EFC2E" blockId="12.[144,1104,966,1671]" box="[393,855,966,991]" pageId="12" pageNumber="13">
<heading id="D0B381FB6A60FD67FE5CFC08711EFC2E" box="[393,855,966,991]" centered="true" fontSize="11" level="2" pageId="12" pageNumber="13" reason="3">
<taxonomicName id="4C444D146A60FD67FE5CFC08711EFC2E" authority="Connolly, 1929" authorityName=": Connolly" authorityYear="1929" box="[393,855,966,991]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="13" phylum="Mollusca" rank="species" species="quadingensis">
<emphasis id="B930EA856A60FD67FE5CFC0870EDFC2F" box="[393,676,966,990]" italics="true" pageId="12" pageNumber="13">Prestonella quadingensis</emphasis>
Connolly, 1929
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C35E651C6A60FD67FDE4FC2070E7FBF6" box="[561,686,1006,1031]" pageId="12" pageNumber="13" type="description">
<paragraph id="8BFB36976A60FD67FDE4FC2070E7FBF6" blockId="12.[144,1104,966,1671]" box="[561,686,1006,1031]" pageId="12" pageNumber="13">
<figureCitation id="137F2A126A60FD67FDE4FC2070E7FBF6" box="[561,686,1006,1031]" captionStart-0="Figs 1215" captionStart-1="Fig" captionStartId-0="9.[182,222,1575,1595]" captionStartId-1="10.[284,317,1647,1667]" captionTargetBox-0="[224,1098,802,1559]" captionTargetBox-1="[233,1015,992,1627]" captionTargetId-0="figure-217@9.[211,1109,796,1567]" captionTargetId-1="figure-257@10.[222,1025,986,1637]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionText-0="Figs 1215. Prestonella nuptialis (Melvill &amp; Ponsonby, 1894) and P. quadingensis Connolly, 1932: (12) P. nuptialis holotype, length 11.5 mm (BMNH 1905.1.26.29); (13) undamaged specimen, Cradock, length 13.3 mm (NMSA 1592); (14) P. quadingensis holotype, length 12.2 mm (NMSA J8135/T2835); (15) paratype, length 11.4 mm (BMNH 1937.12.30.7079-80)." captionText-1="Fig. 16. Distribution of Prestonella nuptialis (9) and P. quadingensis ()." figureDoi-0="http://doi.org/10.5281/zenodo.7910213" figureDoi-1="http://doi.org/10.5281/zenodo.7910216" httpUri-0="https://zenodo.org/record/7910213/files/figure.png" httpUri-1="https://zenodo.org/record/7910216/files/figure.png" pageId="12" pageNumber="13">Figs 1416</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C35E651C6A60FD67FF45FBDB7112FBB1" pageId="12" pageNumber="13" type="reference_group">
<paragraph id="8BFB36976A60FD67FF45FBDB7619FBD9" blockId="12.[144,1104,966,1671]" box="[144,1104,1044,1065]" pageId="12" pageNumber="13">
<taxonomicName id="4C444D146A60FD67FF45FBDB7072FBD9" authority=": Connolly 1929: 233" authorityName=": Connolly" authorityPageNumber="233" authorityYear="1929" box="[144,571,1044,1065]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="13" phylum="Mollusca" rank="species" species="quadingensis">
<emphasis id="B930EA856A60FD67FF45FBDB733FFBD8" box="[144,374,1045,1065]" italics="true" pageId="12" pageNumber="13">Prestonella quadingensis</emphasis>
: Connolly 1929: 233
</taxonomicName>
, pl. 14, fig. 25; 1939: 293; Bruggen 1985: 292.
<typeStatus id="54FF88356A60FD67FC21FBDA7668FBD9" box="[1012,1057,1044,1064]" pageId="12" pageNumber="13">Type</typeStatus>
loc.:
</paragraph>
<paragraph id="8BFB36976A60FD67FF25FBE27112FBB1" blockId="12.[144,1104,966,1671]" box="[240,859,1068,1088]" pageId="12" pageNumber="13">
<collectingCountry id="F35376076A60FD67FF26FBE27316FBB1" box="[243,351,1068,1088]" name="Lesotho" pageId="12" pageNumber="13">Basutoland</collectingCountry>
, Quading [=
<collectingCountry id="F35376076A60FD67FE08FBE27061FBB1" box="[477,552,1068,1088]" name="Lesotho" pageId="12" pageNumber="13">Lesotho</collectingCountry>
,
<collectingRegion id="4980F8756A60FD67FDE4FBE27032FBB1" box="[561,635,1068,1088]" country="Lesotho" name="Quthing" pageId="12" pageNumber="13">Quthing</collectingRegion>
(Moyeni)], leg. E. Ford.
</paragraph>
</subSubSection>
<subSubSection id="C35E651C6A60FD66FF45FB80706EFE1F" lastPageId="13" lastPageNumber="14" pageId="12" pageNumber="13" type="description">
<paragraph id="8BFB36976A60FD67FF45FB80731AFB16" blockId="12.[144,1104,966,1671]" pageId="12" pageNumber="13">
Description (
<figureCitation id="137F2A126A60FD67FECBFB8073D2FB96" box="[286,411,1102,1127]" captionStart="Figs 1215" captionStartId="9.[182,222,1575,1595]" captionTargetBox="[224,1098,802,1559]" captionTargetId="figure-217@9.[211,1109,796,1567]" captionTargetPageId="9" captionText="Figs 1215. Prestonella nuptialis (Melvill &amp; Ponsonby, 1894) and P. quadingensis Connolly, 1932: (12) P. nuptialis holotype, length 11.5 mm (BMNH 1905.1.26.29); (13) undamaged specimen, Cradock, length 13.3 mm (NMSA 1592); (14) P. quadingensis holotype, length 12.2 mm (NMSA J8135/T2835); (15) paratype, length 11.4 mm (BMNH 1937.12.30.7079-80)." figureDoi="http://doi.org/10.5281/zenodo.7910213" httpUri="https://zenodo.org/record/7910213/files/figure.png" pageId="12" pageNumber="13">Figs 14, 15</figureCitation>
): Extremely similar to
<taxonomicName id="4C444D146A60FD67FD46FB807158FB97" box="[659,785,1102,1127]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="13" phylum="Mollusca" rank="species" species="nuptialis">
<emphasis id="B930EA856A60FD67FD46FB8070EDFB97" box="[659,676,1102,1126]" italics="true" pageId="12" pageNumber="13">P</emphasis>
.
<emphasis id="B930EA856A60FD67FD65FB807158FB97" box="[688,785,1102,1126]" italics="true" pageId="12" pageNumber="13">nuptialis</emphasis>
</taxonomicName>
, from which it differs chiefly in the presence of fine, spiral threads on the teleoconch whorls, and axial riblets on the protoconch. The whorls are also perhaps slightly more obese, but ratios of shell proportions overlap extensively with those of
<taxonomicName id="4C444D146A60FD67FD4CFB607152FB37" box="[665,795,1198,1223]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="13" phylum="Mollusca" rank="species" species="nuptialis">
<emphasis id="B930EA856A60FD67FD4CFB6070E3FB37" box="[665,682,1198,1222]" italics="true" pageId="12" pageNumber="13">P</emphasis>
.
<emphasis id="B930EA856A60FD67FD6CFB607152FB37" box="[697,795,1198,1222]" italics="true" pageId="12" pageNumber="13">nuptialis</emphasis>
</taxonomicName>
(Table 2). Colour of living animal unknown.
</paragraph>
<paragraph id="8BFB36976A60FD67FF45FB3B7295FABF" blockId="12.[144,1104,966,1671]" pageId="12" pageNumber="13">
<emphasis id="B930EA856A60FD67FF45FB3B735DFAFC" box="[144,276,1269,1293]" italics="true" pageId="12" pageNumber="13">Dimensions</emphasis>
: Length up to
<quantity id="4CBC9B726A60FD67FE60FB3B7052FAFF" box="[437,539,1269,1294]" metricMagnitude="-2" metricUnit="m" metricValue="1.22" pageId="12" pageNumber="13" unit="mm" value="12.2">12.2 mm</quantity>
, width up to 8.0 mm; adult L/W = 1.431.55; body whorl length = 84.987.1% of shell length; aperture length = 55.864% of shell length (N=4).
</paragraph>
<paragraph id="8BFB36976A60FD67FF45FA92713BFA45" blockId="12.[144,1104,966,1671]" pageId="12" pageNumber="13">
<emphasis id="B930EA856A60FD67FF45FA92735BFA85" box="[144,274,1372,1396]" italics="true" pageId="12" pageNumber="13">Protoconch</emphasis>
: Diameter approx.
<quantity id="4CBC9B726A60FD67FE26FA957007FA85" box="[499,590,1371,1396]" metricMagnitude="-3" metricUnit="m" metricValue="1.6" pageId="12" pageNumber="13" unit="mm" value="1.6">1.6 mm</quantity>
, comprising approx. 2.0 whorls; basic shape and sculpture similar to that of
<taxonomicName id="4C444D146A60FD67FE32FAB27016FA65" box="[487,607,1403,1428]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="12" pageNumber="13" phylum="Mollusca" rank="species" species="bowkeri">
<emphasis id="B930EA856A60FD67FE32FAB273B1FA65" box="[487,504,1404,1428]" italics="true" pageId="12" pageNumber="13">P</emphasis>
.
<emphasis id="B930EA856A60FD67FDD0FAB27016FA65" box="[517,607,1404,1428]" italics="true" pageId="12" pageNumber="13">bowkeri</emphasis>
</taxonomicName>
; badly eroded, but retaining traces of strong, widely spaced axial riblets and close-set microscopic spiral striae.
</paragraph>
<paragraph id="8BFB36976A60FD67FF45FA0E704CFA1D" blockId="12.[144,1104,966,1671]" pageId="12" pageNumber="13">
<materialsCitation id="3B2C3CCA6A60FD67FF45FA0E704CFA1D" collectionCode="NMSA" collectorName="E. Ford" country="Lesotho" location="Quthing" pageId="12" pageNumber="13" specimenCode="J8135" specimenCount="1" stateProvince="Quthing" typeStatus="holotype">
<typeStatus id="54FF88356A60FD67FF45FA0E72A1FA25" box="[144,232,1472,1492]" pageId="12" pageNumber="13" type="holotype">Holotype</typeStatus>
:
<collectingCountry id="F35376076A60FD67FF3AFA0E7313FA25" box="[239,346,1472,1492]" name="Lesotho" pageId="12" pageNumber="13">LESOTHO</collectingCountry>
:
<collectingRegion id="4980F8756A60FD67FEB4FA0E73E2FA25" box="[353,427,1472,1492]" country="Lesotho" name="Quthing" pageId="12" pageNumber="13">Quthing</collectingRegion>
[Moyeni], leg.
<collectorName id="26B153416A60FD67FDE0FA0E7033FA25" box="[565,634,1472,1492]" pageId="12" pageNumber="13">E. Ford</collectorName>
,
<emphasis id="B930EA856A60FD67FD57FA0F70DFFA24" box="[642,662,1473,1493]" italics="true" pageId="12" pageNumber="13">ex</emphasis>
Farquhar collection,
<emphasis id="B930EA856A60FD67FC81FA0F7121FA24" box="[852,872,1473,1493]" italics="true" pageId="12" pageNumber="13">ex</emphasis>
Albany Museum (
<collectionCode id="ED55AE526A60FD67FBD8FA0E7619FA25" box="[1037,1104,1472,1492]" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34985" lsid="urn:lsid:biocol.org:col:34985" name="KwaZulu-Natal Museum" pageId="12" pageNumber="13" type="Museum">NMSA</collectionCode>
<specimenCode id="DBE29EEC6A60FD67FF45FA16728FFA1D" box="[144,198,1496,1516]" collectionCode="NMSA" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34985" lsid="urn:lsid:biocol.org:col:34985" name="KwaZulu-Natal Museum" pageId="12" pageNumber="13" type="Museum">J8135</specimenCode>
/T2835), length
<quantity id="4CBC9B726A60FD67FE8DFA1673E0FA1D" box="[344,425,1496,1516]" metricMagnitude="-2" metricUnit="m" metricValue="1.22" pageId="12" pageNumber="13" unit="mm" value="12.2">12.2 mm</quantity>
(
<figureCitation id="137F2A126A60FD67FE60FA1673B0FA1D" box="[437,505,1496,1516]" captionStart="Figs 1215" captionStartId="9.[182,222,1575,1595]" captionTargetBox="[224,1098,802,1559]" captionTargetId="figure-217@9.[211,1109,796,1567]" captionTargetPageId="9" captionText="Figs 1215. Prestonella nuptialis (Melvill &amp; Ponsonby, 1894) and P. quadingensis Connolly, 1932: (12) P. nuptialis holotype, length 11.5 mm (BMNH 1905.1.26.29); (13) undamaged specimen, Cradock, length 13.3 mm (NMSA 1592); (14) P. quadingensis holotype, length 12.2 mm (NMSA J8135/T2835); (15) paratype, length 11.4 mm (BMNH 1937.12.30.7079-80)." figureDoi="http://doi.org/10.5281/zenodo.7910213" httpUri="https://zenodo.org/record/7910213/files/figure.png" pageId="12" pageNumber="13">Fig. 14</figureCitation>
).
</materialsCitation>
</paragraph>
<paragraph id="8BFB36976A60FD67FF45FA39767CF9FA" blockId="12.[144,1104,966,1671]" box="[144,1077,1527,1547]" pageId="12" pageNumber="13">
<materialsCitation id="3B2C3CCA6A60FD67FF45FA39767BF9FA" box="[144,1074,1527,1547]" collectionCode="BMNH" collectorName="Quading' &amp; E. Ford" country="Lesotho" location="LESOTHO" pageId="12" pageNumber="13" specimenCount="1" typeStatus="paratype">
<typeStatus id="54FF88356A60FD67FF45FA3972A5F9FA" box="[144,236,1527,1547]" pageId="12" pageNumber="13" type="paratype">Paratypes</typeStatus>
:
<collectingCountry id="F35376076A60FD67FF21FA397316F9FA" box="[244,351,1527,1547]" name="Lesotho" pageId="12" pageNumber="13">LESOTHO</collectingCountry>
:
<collectorName id="26B153416A60FD67FEBFFA39738DF9FA" box="[362,452,1527,1547]" pageId="12" pageNumber="13">Quading</collectorName>
leg.
<collectorName id="26B153416A60FD67FE25FA39707DF9FA" box="[496,564,1527,1547]" pageId="12" pageNumber="13">E. Ford</collectorName>
(
<collectionCode id="ED55AE526A60FD67FD95FA3970CCF9FA" box="[576,645,1527,1547]" pageId="12" pageNumber="13">BMNH</collectionCode>
1937.12.30.7079-80),
<specimenCount id="9D42FD1E6A60FD67FC80FA397193F9FA" box="[853,986,1527,1547]" pageId="12" pageNumber="13" type="generic">two specimens</specimenCount>
(
<figureCitation id="137F2A126A60FD67FC32FA397663F9FA" box="[999,1066,1527,1547]" captionStart="Figs 1215" captionStartId="9.[182,222,1575,1595]" captionTargetBox="[224,1098,802,1559]" captionTargetId="figure-217@9.[211,1109,796,1567]" captionTargetPageId="9" captionText="Figs 1215. Prestonella nuptialis (Melvill &amp; Ponsonby, 1894) and P. quadingensis Connolly, 1932: (12) P. nuptialis holotype, length 11.5 mm (BMNH 1905.1.26.29); (13) undamaged specimen, Cradock, length 13.3 mm (NMSA 1592); (14) P. quadingensis holotype, length 12.2 mm (NMSA J8135/T2835); (15) paratype, length 11.4 mm (BMNH 1937.12.30.7079-80)." figureDoi="http://doi.org/10.5281/zenodo.7910213" httpUri="https://zenodo.org/record/7910213/files/figure.png" pageId="12" pageNumber="13">Fig. 15</figureCitation>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BFB36976A60FD67FF45F9D8729DF9B3" blockId="12.[144,1104,966,1671]" pageId="12" pageNumber="13">
Additional material examined:
<materialsCitation id="3B2C3CCA6A60FD67FE78F9D87298F9B3" collectionCode="NMSA" collectorName="E. Ford" country="Lesotho" location="Quthing" pageId="12" pageNumber="13" specimenCode="J8086" specimenCount="1" stateProvince="Quthing">
<collectingCountry id="F35376076A60FD67FE78F9D87051F9DB" box="[429,536,1558,1578]" name="Lesotho" pageId="12" pageNumber="13">LESOTHO</collectingCountry>
:
<collectingRegion id="4980F8756A60FD67FDF4F9D87022F9DB" box="[545,619,1558,1578]" country="Lesotho" name="Quthing" pageId="12" pageNumber="13">Quthing</collectingRegion>
[Moyeni], leg.
<collectorName id="26B153416A60FD67FD29F9D8710AF9DB" box="[764,835,1558,1578]" pageId="12" pageNumber="13">E. Ford</collectorName>
,
<emphasis id="B930EA856A60FD67FC98F9D8711EF9DB" box="[845,855,1558,1578]" italics="true" pageId="12" pageNumber="13">e</emphasis>
x Albany Museum (
<collectionCode id="ED55AE526A60FD67FBD8F9D87619F9DB" box="[1037,1104,1558,1578]" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34985" lsid="urn:lsid:biocol.org:col:34985" name="KwaZulu-Natal Museum" pageId="12" pageNumber="13" type="Museum">NMSA</collectionCode>
<specimenCode id="DBE29EEC6A60FD67FF45F9E07283F9B3" box="[144,202,1582,1602]" collectionCode="NMSA" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34985" lsid="urn:lsid:biocol.org:col:34985" name="KwaZulu-Natal Museum" pageId="12" pageNumber="13" type="Museum">J8086</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="8BFB36976A60FD67FF45F9807335F976" blockId="12.[144,1104,966,1671]" pageId="12" pageNumber="13">
Distribution (
<figureCitation id="137F2A126A60FD67FEF3F9807330F996" box="[294,377,1614,1639]" captionStart="Fig" captionStartId="10.[284,317,1647,1667]" captionTargetBox="[233,1015,992,1627]" captionTargetId="figure-257@10.[222,1025,986,1637]" captionTargetPageId="10" captionText="Fig. 16. Distribution of Prestonella nuptialis (9) and P. quadingensis ()." figureDoi="http://doi.org/10.5281/zenodo.7910216" httpUri="https://zenodo.org/record/7910216/files/figure.png" pageId="12" pageNumber="13">Fig. 16</figureCitation>
): Known only from the
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locality in south-western
<collectingCountry id="F35376076A60FD67FC01F9807678F996" box="[980,1073,1614,1639]" name="Lesotho" pageId="12" pageNumber="13">Lesotho</collectingCountry>
, at approx.
<quantity id="4CBC9B726A60FD67FF3EF9A07309F976" box="[235,320,1646,1671]" metricMagnitude="3" metricUnit="m" metricValue="1.75" pageId="12" pageNumber="13" unit="m" value="1750.0">1750 m</quantity>
a.s.l.
</paragraph>
<paragraph id="8BFB36976A61FD66FF60FF0071CDFEF6" blockId="13.[181,1141,206,494]" pageId="13" pageNumber="14">
Habitat: Apart from the fact that the
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locality lies at about
<quantity id="4CBC9B726A61FD66FCBDFF0071F4FF16" box="[872,957,206,231]" metricMagnitude="3" metricUnit="m" metricValue="1.75" pageId="13" pageNumber="14" unit="m" value="1750.0">1750 m</quantity>
a.s.l., within the grassland biome, nothing is known of the habitat of this species.
</paragraph>
<paragraph id="8BFB36976A61FD66FF60FEDB706EFE1F" blockId="13.[181,1141,206,494]" pageId="13" pageNumber="14">
Notes: It seems doubtful that this taxon is genuinely distinct from
<taxonomicName id="4C444D146A61FD66FC46FEDB765DFEDC" box="[915,1044,277,302]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="nuptialis">
<emphasis id="B930EA856A61FD66FC46FEDB71EDFEDC" box="[915,932,277,301]" italics="true" pageId="13" pageNumber="14">P</emphasis>
.
<emphasis id="B930EA856A61FD66FC67FEDB765DFEDC" box="[946,1044,277,301]" italics="true" pageId="13" pageNumber="14">nuptialis</emphasis>
</taxonomicName>
. In view of the distance between the populations and their probable genetic isolation, some geographical variation in shell form is perhaps to be expected. The axial ribbing on the protoconch of
<taxonomicName id="4C444D146A61FD66FE8EFEBB7059FE7C" authorityName=": Connolly" authorityYear="1929" box="[347,528,373,398]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="quadingensis">
<emphasis id="B930EA856A61FD66FE8EFEBB7325FE7C" box="[347,364,373,397]" italics="true" pageId="13" pageNumber="14">P</emphasis>
.
<emphasis id="B930EA856A61FD66FEA9FEBB7059FE7C" box="[380,528,373,397]" italics="true" pageId="13" pageNumber="14">quadingensis</emphasis>
</taxonomicName>
and its absence in
<taxonomicName id="4C444D146A61FD66FD39FEBB7127FE7C" box="[748,878,373,398]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="nuptialis">
<emphasis id="B930EA856A61FD66FD39FEBB70B4FE7C" box="[748,765,373,397]" italics="true" pageId="13" pageNumber="14">P</emphasis>
.
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</taxonomicName>
may not be significant since this character varies considerably between and within
<taxonomicName id="4C444D146A61FD66FC87FE5B7182FE5C" box="[850,971,405,430]" class="Gastropoda" family="Bothriembryontidae" genus="Prestonella" kingdom="Animalia" order="Stylommatophora" pageId="13" pageNumber="14" phylum="Mollusca" rank="species" species="bowkeri">
<emphasis id="B930EA856A61FD66FC87FE5B712AFE5C" box="[850,867,405,429]" italics="true" pageId="13" pageNumber="14">P</emphasis>
.
<emphasis id="B930EA856A61FD66FCA4FE5B7182FE5C" box="[881,971,405,429]" italics="true" pageId="13" pageNumber="14">bowkeri</emphasis>
</taxonomicName>
populations. A definitive statement on the validity of this species must await the discovery of additional material for more in-depth study.
</paragraph>
</subSubSection>
</treatment>
</document>