treatments-xml/data/A1/AF/6F/A1AF6F66EE05C745C27518EDAB34C6C6.xml
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<document ID-DOI="http://dx.doi.org/10.3897/vz.73.e101372" ID-Pensoft-Pub="2625-8498-73-717" ID-Pensoft-UUID="318B657A15AB5708B3C35FC1A82B4945" ID-ZooBank="8F3D5EDA2F184E5CA53E2F7741FF1339" ModsDocID="2625-8498-73-717" checkinTime="1695893367890" checkinUser="pensoft" docAuthor="Szyndlar, Zbigniew &amp; Georgalis, Georgios L." docDate="2023" docId="A1AF6F66EE05C745C27518EDAB34C6C6" docLanguage="en" docName="VertZool 73: 717-886" docOrigin="Vertebrate Zoology 73" docPubDate="2023-09-27" docSource="http://dx.doi.org/10.3897/vz.73.e101372" docTitle="Ungaliophis Mueller 1880" docType="treatment" docVersion="1" id="318B657A15AB5708B3C35FC1A82B4945" lastPageNumber="717" masterDocId="318B657A15AB5708B3C35FC1A82B4945" masterDocTitle="An illustrated atlas of the vertebral morphology of extant non-caenophidian snakes, with special emphasis on the cloacal and caudal portions of the column" masterLastPageNumber="886" masterPageNumber="717" pageNumber="717" updateTime="1695893367890" updateUser="pensoft">
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<mods:title id="9CF59C8A8C71B9330C78D0D34D288F0B">An illustrated atlas of the vertebral morphology of extant non-caenophidian snakes, with special emphasis on the cloacal and caudal portions of the column</mods:title>
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<mods:namePart id="8BB1598F63DB060E54A064AA223E677B">Szyndlar, Zbigniew</mods:namePart>
<mods:affiliation id="1B6053A68D85B5468296919F2275B3FF">Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Slawkowska 17, 31 - 016 Krakow, Poland</mods:affiliation>
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<mods:namePart id="4C4C715BE5077F68011A133F81F3C8BF">Georgalis, Georgios L.</mods:namePart>
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<treatment id="A1AF6F66EE05C745C27518EDAB34C6C6" LSID="urn:lsid:plazi:treatment:A1AF6F66EE05C745C27518EDAB34C6C6" httpUri="http://treatment.plazi.org/id/A1AF6F66EE05C745C27518EDAB34C6C6" lastPageNumber="717" pageId="0" pageNumber="717">
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<paragraph id="F1930AE1D381100711F2DABA994143EC" pageId="0" pageNumber="717">
<taxonomicName id="FD90B41A4B5F4D8F50E8AA3A9E039C6F" authority="Mueller, 1880" authorityName="Mueller" authorityYear="1880" class="Reptilia" family="Ungaliophiidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="genus">
Ungaliophis
<normalizedToken id="5AEE5C491E0C5747FB13C257D7A14063" originalValue="Müller">Mueller</normalizedToken>
, 1880
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="0DC6E60DC6C9F2CB3C379562CB8E9B4B" pageId="0" pageNumber="717" type="materials_examined">
<paragraph id="8CD102EDA346BE1318B7DBCB9EB9C514" pageId="0" pageNumber="717">Material examined.</paragraph>
<paragraph id="F324D25DB006FDD1D6CFEA521C73F172" pageId="0" pageNumber="717">
<taxonomicName id="BC09E0400FB04659EBB58F99C22D6953" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="26DCC5632A4CB45403945E5548723341" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
<normalizedToken id="E47E859271700F20B1AC6968C7EF0257" originalValue="Müller">Mueller</normalizedToken>
, 1880 (UMMZ 190698).
</paragraph>
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<subSubSection id="B01A30B0C114E221D91B82F107FA5700" pageId="0" pageNumber="717" type="description">
<paragraph id="E44AB98E8F91A8A03464BDFFD2EF854C" pageId="0" pageNumber="717">Description (Figs 124-127).</paragraph>
<paragraph id="298DFDDD8191B077A640DD5C108A6B56" pageId="0" pageNumber="717">
<emphasis id="AA13EFA5BCEE62F482127852CB131FCB" bold="true" pageId="0" pageNumber="717">
<emphasis id="BBBC1E26A2FFF45EE3C5B7026EAF3EDD" italics="true" pageId="0" pageNumber="717">Trunk vertebrae</emphasis>
.
</emphasis>
Centrum as long as wide (but probably due to the juvenile / subadult ontogenetic stage of the individual); cotyle and condyle slightly depressed; neural arch slightly depressed; posterior median notch of the neural arch deep; neural spine of medium height, located at the posterior half of the neural arch; prezygapophyseal accessory processes vestigial to short; hypapophyses disappearing posteriorly to V 50; haemal keel indistinct (but probably due to the juvenile stage of the specimen); paracotylar foramina absent.
</paragraph>
<caption id="443723A6BFB5B48362333FD63674B446" doi="10.3897/vz.73.e101372.figure124" httpUri="https://binary.pensoft.net/fig/913015" pageId="0" pageNumber="717" start="Figure 124" startId="F124">
<paragraph id="DBC83594BC530E09254AACF75A842F5B" pageId="0" pageNumber="717">
<emphasis id="AEAC4A0736558FAFCFF6514592DC3BD0" bold="true" pageId="0" pageNumber="717">Figure 124.</emphasis>
<taxonomicName id="C7D385EAE02FE2D55473E564CD14C8F7" authorityName="Zaher" authorityYear="1994" family="Ungaliophiidae" lsidName="" pageId="0" pageNumber="717" rank="family">Ungaliophiidae</taxonomicName>
:
<taxonomicName id="8219586F29D4069909F1D8B4D1351504" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="11E6F8374F9D524180C3512292B223C6" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
(UMMZ 190698), trunk vertebrae.
</paragraph>
</caption>
<caption id="7BB77C92B9CC534E4C7586FC545F1AEA" doi="10.3897/vz.73.e101372.figure125" httpUri="https://binary.pensoft.net/fig/913016" pageId="0" pageNumber="717" start="Figure 125" startId="F125">
<paragraph id="4CCBCB825A329B3863A71FDD272103E8" pageId="0" pageNumber="717">
<emphasis id="F5F54CD599352EBE8D59F0CABD9F3971" bold="true" pageId="0" pageNumber="717">Figure 125.</emphasis>
<taxonomicName id="E85E981B32F955F416DAC73EAB9ED5D4" authorityName="Zaher" authorityYear="1994" family="Ungaliophiidae" lsidName="" pageId="0" pageNumber="717" rank="family">Ungaliophiidae</taxonomicName>
:
<taxonomicName id="674B14AB4EAA39E120184AA82B601578" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="0EF5B6B9E92133C3A6F450B1222080AC" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
(UMMZ 190698), trunk and cloacal vertebrae.
</paragraph>
</caption>
<caption id="C54328326C57A643C0B514CD48FA1EF1" doi="10.3897/vz.73.e101372.figure126" httpUri="https://binary.pensoft.net/fig/913017" pageId="0" pageNumber="717" start="Figure 126" startId="F126">
<paragraph id="716453FF1960A552D88FB7087D81C950" pageId="0" pageNumber="717">
<emphasis id="DA2CF831E2E7C04BF390E4EE1B20012A" bold="true" pageId="0" pageNumber="717">Figure 126.</emphasis>
<taxonomicName id="AA82353568A5F460F16F42382B3B77F6" authorityName="Zaher" authorityYear="1994" family="Ungaliophiidae" lsidName="" pageId="0" pageNumber="717" rank="family">Ungaliophiidae</taxonomicName>
:
<taxonomicName id="2F6AA817A1F8B2AEC91DBBAD307A9819" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="C9D0F7FFE8D4A6B841545602A45F4D11" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
(UMMZ 190698), cloacal and anterior caudal vertebrae.
</paragraph>
</caption>
<caption id="D0FF3CC05F5D2DDE4567FB57DE708E6B" doi="10.3897/vz.73.e101372.figure127" httpUri="https://binary.pensoft.net/fig/913018" pageId="0" pageNumber="717" start="Figure 127" startId="F127">
<paragraph id="53276F7688DF670CF94762EFDDEDD901" pageId="0" pageNumber="717">
<emphasis id="2AD90970CD5EC008EA011AE3A96D532A" bold="true" pageId="0" pageNumber="717">Figure 127.</emphasis>
<taxonomicName id="F6394957AEA66BB3E026F3159AAA5CCE" authorityName="Zaher" authorityYear="1994" family="Ungaliophiidae" lsidName="" pageId="0" pageNumber="717" rank="family">Ungaliophiidae</taxonomicName>
:
<taxonomicName id="F8499B0B1723061E42830CC4308C81C3" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="F62BDD613F18E680D5CF6238B4B5B822" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
(UMMZ 190698), caudal vertebrae.
</paragraph>
</caption>
<paragraph id="645C8D89F72309CDF73D9A5473DE345C" pageId="0" pageNumber="717">
Note that the skeleton described above belonged (as indicated among other features by its very small absolute dimensions and relatively broad neural canal) to a subadult specimen and this is the reason of the relative shortness of its vertebrae. Nevertheless, the few published figures of
<taxonomicName id="CBF867EF9986783A3AC5136927D11274" authorityName="Mueller" authorityYear="1880" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="genus">
<emphasis id="297760C16BD3663D2EE004FC061A1BF4" italics="true" pageId="0" pageNumber="717">Ungaliophis</emphasis>
</taxonomicName>
vertebrae already attest the dependence of the elongation of the centrum to ontogeny: the trunk vertebrae of
<taxonomicName id="8B8A1DFF3E851EAA3B5CEE38284B3072" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="ECB39CE7B10BA82EC24CA3472EA1AF07" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
and
<taxonomicName id="6590F9A5B66A6DF35CEA2B3CD8039B42" authorityName="K.P.Schmidt" authorityYear="1933" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis panamensis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="panamensis">
<emphasis id="76972009C086D0C2D473D525900E6391" italics="true" pageId="0" pageNumber="717">Ungaliophis panamensis</emphasis>
</taxonomicName>
Schmidt, 1933, illustrated by
<bibRefCitation id="1735F21FAF13DDFD1630FC61C6C6609B" author="Bogert, CM" journalOrPublisher="American Museum Novitates" pageId="0" pageNumber="717" pagination="1 - 38" refId="B66" refString="Bogert, CM, 1968a. A new genus and species of dwarf boa from Southern Mexico. American Museum Novitates 2354: 1 - 38" title="A new genus and species of dwarf boa from Southern Mexico." volume="2354" year="1968 a">Bogert (1968a</bibRefCitation>
: figs 9B and 8A, respectively), that are characterized by elongate centra, apparently represented adult snakes. Indeed, a juvenile female of
<taxonomicName id="D3F9CAFC5784FB29C00006485E98C184" lsidName="U. panamensis" pageId="0" pageNumber="717" rank="species" species="panamensis">
<emphasis id="37503611D3A71FC292968D0AF1524DB6" italics="true" pageId="0" pageNumber="717">U. panamensis</emphasis>
</taxonomicName>
figured by
<bibRefCitation id="A50F121B0931EAAD83ED020308E97755" author="Bogert, CM" journalOrPublisher="American Museum Novitates" pageId="0" pageNumber="717" pagination="1 - 26" refId="B67" refString="Bogert, CM, 1968b. The variations and affinities of the dwarf boas of the genus Ungaliophis. American Museum Novitates 2340: 1 - 26" title="The variations and affinities of the dwarf boas of the genus Ungaliophis." volume="2340" year="1968 b">Bogert (1968b</bibRefCitation>
: fig. 7A) possesses a shorter centrum. Furthermore, according again to
<bibRefCitation id="B093E68D1BA0CA1F6AF1E21ACCEEA0A6" author="Bogert, CM" journalOrPublisher="American Museum Novitates" pageId="0" pageNumber="717" pagination="1 - 38" refId="B66" refString="Bogert, CM, 1968a. A new genus and species of dwarf boa from Southern Mexico. American Museum Novitates 2354: 1 - 38" title="A new genus and species of dwarf boa from Southern Mexico." volume="2354" year="1968 a">Bogert (1968a)</bibRefCitation>
, the shape and prominence of the haemal keel of the trunk vertebrae of
<taxonomicName id="BE949A9FF4D7AB1BF179F8D206E0EBD9" authorityName="Mueller" authorityYear="1880" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="genus">
<emphasis id="F23C401A927561E5D888789B6F069158" italics="true" pageId="0" pageNumber="717">Ungaliophis</emphasis>
</taxonomicName>
spp. is also subjected to variation: it can be discernible in large (&gt;600 mm in total length) individuals but almost invisible in smaller individuals of
<taxonomicName id="DBC65BD27157B5C2F1C2ADB37B70FF2E" lsidName="U. panamensis" pageId="0" pageNumber="717" rank="species" species="panamensis">
<emphasis id="E87F0D4F8A6D8571430E438A12D66F1D" italics="true" pageId="0" pageNumber="717">U. panamensis</emphasis>
</taxonomicName>
, and it was almost absent in one adult individual of
<taxonomicName id="9E95F4FC051506184CCDD48C0E3C27B9" lsidName="U. continentalis" pageId="0" pageNumber="717" rank="species" species="continentalis">
<emphasis id="5D41D46E8F2A00901DA3DDD1E50DE147" italics="true" pageId="0" pageNumber="717">U. continentalis</emphasis>
</taxonomicName>
. In any case, caution should be paid when interpreting these terminologies, as
<bibRefCitation id="F0F58706C2F3592D2DA2D35A404BDBB2" author="Bogert, CM" journalOrPublisher="American Museum Novitates" pageId="0" pageNumber="717" pagination="1 - 38" refId="B66" refString="Bogert, CM, 1968a. A new genus and species of dwarf boa from Southern Mexico. American Museum Novitates 2354: 1 - 38" title="A new genus and species of dwarf boa from Southern Mexico." volume="2354" year="1968 a">Bogert (1968a)</bibRefCitation>
could have a different sense of the term haemal keel, confined perhaps solely to dorsoventrally high structures, judging from a posterior trunk vertebra with a wide haemal keel (
<bibRefCitation id="D0332504A63BAF00EA321F6C55A95A2C" author="Bogert, CM" journalOrPublisher="American Museum Novitates" pageId="0" pageNumber="717" pagination="1 - 38" refId="B66" refString="Bogert, CM, 1968a. A new genus and species of dwarf boa from Southern Mexico. American Museum Novitates 2354: 1 - 38" title="A new genus and species of dwarf boa from Southern Mexico." volume="2354" year="1968 a">Bogert 1968a</bibRefCitation>
: fig. 11) that in the caption he described as showing the &quot;absence of any trace of the haemal keel&quot;.
</paragraph>
<paragraph id="3A2B34325A175C99481C2103D2D9F4B9" pageId="0" pageNumber="717">
<emphasis id="9F04D8E78B5A8D866A243C834917C6F0" bold="true" pageId="0" pageNumber="717">
<emphasis id="9559895BFBD8414AB949CB2B8FFA0C54" italics="true" pageId="0" pageNumber="717">Trunk</emphasis>
/
<emphasis id="E49719BBA458E012BEBBEB72AB206493" italics="true" pageId="0" pageNumber="717">caudal transition</emphasis>
</emphasis>
. A short hypapophysis is present in the last trunk and (gradually diminishing in size) in cloacal vertebrae. In caudal vertebrae, this is replaced by a distinct (although moderately developed) haemal keel; the keel disappears in the last caudal vertebrae.
</paragraph>
<paragraph id="866107DAEF89960137A69728D77158A5" pageId="0" pageNumber="717">
<emphasis id="5574BB55508E2C9FB802FE3A52487F68" bold="true" pageId="0" pageNumber="717">
<emphasis id="A7D8852370F8BA4EECCD5F41B9EE04BB" italics="true" pageId="0" pageNumber="717">Number of vertebrae</emphasis>
.
</emphasis>
<taxonomicName id="E319D82390B2BBA336A7FC03E4EB0D6C" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="416DC7DB1359E7B7715CD9399C2D0249" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
(UMMZ 190698): 275 (224+3+48) including a final fusion.
</paragraph>
<paragraph id="BE6206864DE48F77561CDE74F8796B65" pageId="0" pageNumber="717">
Data from literature and unpublished data from personal communications:
<taxonomicName id="7EF556B8015F82E6E930683EFCF147EB" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis continentalis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="continentalis">
<emphasis id="3B422C95EEE83EEDFBB762ADB2ACB84C" italics="true" pageId="0" pageNumber="717">Ungaliophis continentalis</emphasis>
</taxonomicName>
: 238 trunk vertebrae plus 50 cloacal and caudal vertebrae plus a final fusion (NMNH 344819; Krister Smith, unpublished data, personal communication to GLG);
<taxonomicName id="2C87452A3F806BA431C4DA58F3E5E4E3" authorityName="K.P.Schmidt" authorityYear="1933" class="Reptilia" family="Xenopeltidae" genus="Ungaliophis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ungaliophis panamensis" order="Squamata" pageId="0" pageNumber="717" phylum="Chordata" rank="species" species="panamensis">
<emphasis id="446FF82BCAB2AABBD8EC329241B51FF8" italics="true" pageId="0" pageNumber="717">Ungaliophis panamensis</emphasis>
</taxonomicName>
: 255 trunk vertebrae plus 49 cloacal and caudal vertebrae plus a final fusion (NMNH 209215; Krister Smith, unpublished data, personal communication to GLG).
</paragraph>
</subSubSection>
</treatment>
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