169 lines
18 KiB
XML
169 lines
18 KiB
XML
<document id="7CC97F06EBAE1BF4EFE8F091CEBBBFB7" ID-DOI="10.1206/862.1" ID-ISSN="0003-0090" ID-Zenodo-Dep="5378473" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630285426528" checkinUser="felipe" docAuthor="Myers, Charles W. & McDowell, Samuel B." docDate="2014" docId="8451312BEE7DFF988936E0C41517A4E4" docLanguage="en" docName="B385.pdf" docOrigin="Bulletin of the American Museum of Natural History 2014 (385)" docSource="http://www.bioone.org/doi/abs/10.1206/862.1" docStyle="DocumentStyle:915933466F796C9C739DF4DB6B8DCFA6.9:BulAmeMusNatHis.2011-.journal_article.1cover.type1" docStyleId="915933466F796C9C739DF4DB6B8DCFA6" docStyleName="BulAmeMusNatHis.2011-.journal_article.1cover.type1" docStyleVersion="9" docTitle="Eutrachelophis Myers & McDowell 2014, new genus" docType="treatment" docVersion="3" lastPageNumber="8" masterDocId="78684953EE7BFF908A3EE54C141CA23A" masterDocTitle="New Taxa And Cryptic Species Of Neotropical Snakes (Xenodontinae), With Commentary On Hemipenes As Generic And Specific Characters" masterLastPageNumber="112" masterPageNumber="1" pageNumber="6" updateTime="1699214369682" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="1F72E772B2ABA68E45523142ED0EA038">New Taxa And Cryptic Species Of Neotropical Snakes (Xenodontinae), With Commentary On Hemipenes As Generic And Specific Characters</mods:title>
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<mods:namePart id="A6C5C8BDF0683A29869AECA9DEB4252C">Myers, Charles W.</mods:namePart>
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<mods:namePart id="914F9CEF62D54A36D7363276092D9830">McDowell, Samuel B.</mods:namePart>
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<mods:title id="A3190C1C96B8564951E7CD5F33C484E8">Bulletin of the American Museum of Natural History</mods:title>
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<mods:date id="6B2A8AE2D2B80FE0D0E76B82B94AD248">2014</mods:date>
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<mods:number id="6500F3618A6456FBA094E134BF21B06E">2014-03-06</mods:number>
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<mods:identifier id="10C66327E4F4755F1B438EA27D166172" type="DOI">10.1206/862.1</mods:identifier>
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<subSubSection id="44E2D3B6EE7DFF968936E0C41027A7A4" box="[776,1083,1416,1439]" pageId="6" pageNumber="6" type="nomenclature">
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<taxonomicName id="CBF8FBBEEE7DFF968936E0C417ACA7A5" authority="Myers & McDowell, 2014" authorityName="Myers & McDowell" authorityYear="2014" box="[776,944,1416,1439]" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="6" phylum="Chordata" rank="genus" status="gen. nov.">
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<emphasis id="3E8C5C2FEE7DFF968936E0C417ACA7A5" bold="true" box="[776,944,1416,1439]" italics="true" pageId="6" pageNumber="6">Eutrachelophis</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="25BFE154EE7DFF9689FFE0C51027A7A4" box="[961,1083,1417,1438]" pageId="6" pageNumber="6" rank="genus">new genus</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="44E2D3B6EE7DFF968886E0F916EEA7D0" pageId="6" pageNumber="6" type="materials_examined">
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<paragraph id="0C47803DEE7DFF968886E0F916EEA7D0" blockId="6.[667,1193,1461,1759]" pageId="6" pageNumber="6">
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<typeStatus id="D3433E9FEE7DFF968886E0F916EBA7F1" box="[696,759,1461,1485]" pageId="6" pageNumber="6">TYPE</typeStatus>
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SPECIES:
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<taxonomicName id="CBF8FBBEEE7DFF968956E0FA1070A7F7" authority="Myers & McDowell, 2014" authorityName="Myers & McDowell" authorityYear="2014" box="[872,1132,1462,1485]" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="6" phylum="Chordata" rank="species" species="bassleri" status="sp. nov.">
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<emphasis id="3E8C5C2FEE7DFF968956E0FA1070A7F7" box="[872,1132,1462,1485]" italics="true" pageId="6" pageNumber="6">Eutrachelophis bassleri</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="25BFE154EE7DFF968E44E0FB16F2A7D0" pageId="6" pageNumber="6" rank="species">new species</taxonomicNameLabel>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="44E2D3B6EE7DFF978886E0B8164DA499" lastPageId="7" lastPageNumber="7" pageId="6" pageNumber="6" type="etymology">
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<paragraph id="0C47803DEE7DFF968886E0B817E7A4B8" blockId="6.[667,1193,1461,1759]" pageId="6" pageNumber="6">
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ETYMOLOGY: The intended meaning of the generic name is ‘‘beautiful-necked snake.’’ It is compounded from the prefix
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<emphasis id="3E8C5C2FEE7DFF968E38E37E1003A47D" box="[1030,1055,1586,1607]" italics="true" pageId="6" pageNumber="6">eu</emphasis>
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- (beautiful) +
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<emphasis id="3E8C5C2FEE7DFF96888FE302170BA45F" box="[689,791,1614,1637]" italics="true" pageId="6" pageNumber="6">trachelos</emphasis>
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(neck) +
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<emphasis id="3E8C5C2FEE7DFF9689BCE30217A1A45F" box="[898,957,1614,1637]" italics="true" pageId="6" pageNumber="6">ophis</emphasis>
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(a serpent), all from the Greek. Gender masculine.
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</paragraph>
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<paragraph id="0C47803DEE7DFF978886E3C0164DA499" blockId="6.[667,1193,1461,1759]" lastBlockId="7.[128,654,1648,1759]" lastPageId="7" lastPageNumber="7" pageId="6" pageNumber="6">
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CONTENT: Two named species, as described or redescribed below:
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<emphasis id="3E8C5C2FEE7DFF968E3FE3E716EBA4E5" italics="true" pageId="6" pageNumber="6">
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<taxonomicName id="CBF8FBBEEE7DFF968E3FE3E716EFA4E5" authority="Myers & McDowell, 2014" authorityName="Myers & McDowell" authorityYear="2014" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="6" phylum="Chordata" rank="species" species="bassleri" status="sp. nov.">Eutrachelophis bassleri</taxonomicName>
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,
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</emphasis>
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<taxonomicNameLabel id="25BFE154EE7DFF9688C3E386179FA4E5" box="[765,899,1737,1759]" pageId="6" pageNumber="6" rank="species">new species</taxonomicNameLabel>
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,
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<taxonomicName id="CBF8FBBEEE7DFF9789B3E38614DEA4BC" authority="(Boulenger, 1905)" authorityName="Myers & McDowell" authorityYear="2014" baseAuthorityName="Boulenger" baseAuthorityYear="1905" class="Reptilia" family="Dipsadidae" genus="Rhadinaea" kingdom="Animalia" lastPageId="7" lastPageNumber="7" order="Squamata" pageId="6" pageNumber="6" phylum="Chordata" rank="species" species="steinbachi" status="comb. nov.">
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<emphasis id="3E8C5C2FEE7DFF9689B3E3861001A4E5" box="[909,1053,1736,1759]" italics="true" pageId="6" pageNumber="6">E. steinbachi</emphasis>
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(
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<bibRefCitation id="6869FDCCEE7DFF978E14E38514A6A4BC" author="Boulenger, George Albert" lastPageId="7" lastPageNumber="7" pageId="6" pageNumber="6" pagination="453 - 456" refId="ref71048" refString="Boulenger, George Albert. 1905. Descriptions of new snakes in the collection of the British Museum. Annals and Magazine of Natural History (7) 15: 453 - 456." type="journal article" year="1905">Boulenger, 1905</bibRefCitation>
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)
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</taxonomicName>
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,
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<taxonomicNameLabel id="25BFE154EE7CFF978AE2E33C15ABA4BC" box="[220,439,1648,1670]" pageId="7" pageNumber="7" rank="species">new combination</taxonomicNameLabel>
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. A new species related to
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<taxonomicName id="CBF8FBBEEE7CFF978AC9E3C21572A499" authorityName="Myers & McDowell" authorityYear="2014" box="[247,366,1676,1699]" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="7" pageNumber="7" phylum="Chordata" rank="species" species="bassleri">
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<emphasis id="3E8C5C2FEE7CFF978AC9E3C21572A499" box="[247,366,1676,1699]" italics="true" pageId="7" pageNumber="7">E. bassleri</emphasis>
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</taxonomicName>
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awaits description.
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</paragraph>
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</subSubSection>
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<caption id="5887D0B5EE7CFF978AA8E0B310D1A428" ID-DOI="http://doi.org/10.5281/zenodo.5378475" ID-Zenodo-Dep="5378475" box="[150,1229,1534,1554]" httpUri="https://zenodo.org/record/5378475/files/figure.png" pageId="7" pageNumber="7" startId="7.[150,198,1535,1554]" targetBox="[129,1226,210,1504]" targetPageId="7">
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<paragraph id="0C47803DEE7CFF978AA8E0B310D1A428" blockId="7.[150,1229,1534,1554]" box="[150,1229,1534,1554]" pageId="7" pageNumber="7">
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Map 1. Locality records for three species of
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<taxonomicName id="CBF8FBBEEE7CFF97886BE0B216F7A428" authority="Myers & McDowell, 2014" authorityName="Myers & McDowell" authorityYear="2014" box="[597,747,1534,1554]" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="7" pageNumber="7" phylum="Chordata" rank="genus" status="gen. nov.">
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<emphasis id="3E8C5C2FEE7CFF97886BE0B216F7A428" box="[597,747,1534,1554]" italics="true" pageId="7" pageNumber="7">Eutrachelophis</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="25BFE154EE7CFF9788C6E0B3177AA428" box="[760,870,1535,1554]" pageId="7" pageNumber="7" rank="genus">new genus</taxonomicNameLabel>
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, in western and middle Amazonia.
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</paragraph>
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</caption>
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<subSubSection id="44E2D3B6EE7CFF988AA2E3E6154AA6FA" lastPageId="8" lastPageNumber="8" pageId="7" pageNumber="7" type="description">
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<paragraph id="0C47803DEE7CFF978AA2E3E61691A4E5" blockId="7.[128,654,1648,1759]" pageId="7" pageNumber="7">DEFINITION AND DIAGNOSIS: Small terrestrial colubrids lacking hypapophyses (hemal</paragraph>
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<paragraph id="0C47803DEE7CFF988883E33C14F5A125" blockId="7.[701,1228,1648,1759]" lastBlockId="8.[93,620,207,1306]" lastPageId="8" lastPageNumber="8" pageId="7" pageNumber="7">
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keel present) on posterior trunk vertebrae. High number (about 25–30) of prediastemal maxillary teeth followed by diastema and two enlarged, ungrooved teeth (the last offset laterad
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<superScript id="FB8D2D75EE73FF988A90E58314A4A2E7" attach="left" box="[174,184,207,221]" fontSize="6" pageId="8" pageNumber="8">1</superScript>
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); differentiated rear maxillary teeth not accompanied by correspondingly conspicuous differentiation of Duvernoy’s gland. Spiny hemipenis either divided, with spines to apices of lobes, or single with distal nude area; hemipenis lacking calyces, flounces, or apical discs; sulcus spermaticus forked proximally, with branches centrifugal (at least when organ is everted). Eye large, with round pupil. Habitus slender, with smooth dorsal scales in 15-15-15 rows; single scale pits present or absent; no anal ridges. Normal complement of colubrid head plates;, 150 ventrals; anal plate divided,, 90 subcaudals, paired. Color pattern with black-rimmed pale ocelli or elongated spots on head or on head and neck; dorsum with dark stripes or spots anteriorly, becoming nearly uniform posteriorly.
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</paragraph>
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<paragraph id="0C47803DEE73FF988A44E664154AA6FA" blockId="8.[93,620,207,1306]" pageId="8" pageNumber="8">
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The above combination of traits is unique. Externally, the species of
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<taxonomicName id="CBF8FBBEEE73FF988BAAE6091620A166" authorityName="Myers & McDowell" authorityYear="2014" box="[404,572,837,860]" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="8" phylum="Chordata" rank="genus">
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<emphasis id="3E8C5C2FEE73FF988BAAE6091620A166" box="[404,572,837,860]" italics="true" pageId="8" pageNumber="8">Eutrachelophis</emphasis>
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</taxonomicName>
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are readily differentiated from most other New World snakes by the combination of 15 dorsal scale rows and the presence of conspicuous ocellar markings on head or on head and neck. There may be a vague resemblance in pattern with some specimens of the variable
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<taxonomicName id="CBF8FBBEEE73FF988B03E159167FA616" baseAuthorityName="Jan" baseAuthorityYear="1863" box="[317,611,1045,1068]" class="Reptilia" family="Dipsadidae" genus="Taeniophallus" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="8" phylum="Chordata" rank="species" species="occipitalis">
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<emphasis id="3E8C5C2FEE73FF988B03E159167FA616" box="[317,611,1045,1068]" italics="true" pageId="8" pageNumber="8">Taeniophallus occipitalis</emphasis>
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</taxonomicName>
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, which also has 15 scale rows, but
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<taxonomicName id="CBF8FBBEEE73FF988BC4E17E1670A673" baseAuthorityName="Jan" baseAuthorityYear="1863" box="[506,620,1074,1097]" class="Reptilia" family="Dipsadidae" genus="Taeniophallus" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="8" phylum="Chordata" rank="species" species="occipitalis">
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<emphasis id="3E8C5C2FEE73FF988BC4E17E1670A673" box="[506,620,1074,1097]" italics="true" pageId="8" pageNumber="8">occipitalis</emphasis>
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</taxonomicName>
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differs in having a white canthal line (fig. 15B), more ventrals (. 160), fewer maxillary teeth (about 13–17 + 2), and a calyculate hemipenis.
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</paragraph>
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</subSubSection>
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<subSubSection id="44E2D3B6EE73FF988A44E18A1517A4E4" pageId="8" pageNumber="8" type="distribution">
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<paragraph id="0C47803DEE73FF988A44E18A1677A720" blockId="8.[93,620,207,1306]" pageId="8" pageNumber="8">
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DISTRIBUTION: Lowland rain forest, in western Amazonia—in
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<collectingCountry id="74EFC0ADEE73FF988B4BE1AA15C0A6C6" box="[373,476,1254,1276]" name="Ecuador" pageId="8" pageNumber="8">Ecuador</collectingCountry>
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,
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<collectingCountry id="74EFC0ADEE73FF988BD4E1AA163FA6C1" box="[490,547,1254,1275]" name="Peru" pageId="8" pageNumber="8">Peru</collectingCountry>
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,
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<collectingCountry id="74EFC0ADEE73FF98880CE1AA149CA720" name="Bolivia" pageId="8" pageNumber="8">Bolivia</collectingCountry>
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—and middle Amazonia in
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<collectingCountry id="74EFC0ADEE73FF988B83E048161EA720" box="[445,514,1284,1306]" name="Brazil" pageId="8" pageNumber="8">Brazil</collectingCountry>
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(map 1).
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</paragraph>
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<paragraph id="0C47803DEE73FF988A4AE0341517A4E4" blockId="8.[93,620,1400,1758]" pageId="8" pageNumber="8">
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<superScript id="FB8D2D75EE73FF988A4AE0341461A7BE" attach="right" box="[116,125,1400,1412]" fontSize="5" pageId="8" pageNumber="8">1</superScript>
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That is, offset laterad from a straight line through the posterior several teeth
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<emphasis id="3E8C5C2FEE73FF988B61E0D8156FA79D" box="[351,371,1428,1447]" italics="true" pageId="8" pageNumber="8">or</emphasis>
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offset laterad from a line from the last ‘‘prediastemal’’ tooth to the first enlarged tooth (
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<bibRefCitation id="6869FDCCEE73FF988AC3E0881583A7ED" author="Myers, Charles W." box="[253,415,1476,1495]" pageId="8" pageNumber="8" pagination="1 - 262" refId="ref75208" refString="Myers, Charles W. 1974. The systematics of Rhadinaea (Colubridae), a genus of New World snakes. Bulletin of the American Museum of Natural History 153 (1): 1 - 262." type="journal article" year="1974">Myers, 1974: 28</bibRefCitation>
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; 2011: 9–10, 27–28). Posteriorly offset teeth, whether grooved or not, characterize most ‘‘xenodontines,’’ although there is great variability in maxillary shape and the first enlarged tooth (‘‘fang’’) sometimes may better be described as offset mediad to the general line of the tooth row. Presence or absence of a diastema often is diagnostic, but in occasional ‘‘xenodontines’’ (e.g.,
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<taxonomicName id="CBF8FBBEEE73FF988A63E3CF153CA4AC" box="[93,288,1667,1686]" class="Reptilia" family="Dipsadidae" genus="Rhadinaea" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="8" phylum="Chordata" rank="species" species="decorata">
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<emphasis id="3E8C5C2FEE73FF988A63E3CF153CA4AC" box="[93,288,1667,1686]" italics="true" pageId="8" pageNumber="8">Rhadinaea decorata</emphasis>
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</taxonomicName>
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) it also seems to be correlated with the total number of maxillary teeth. The offset of the ultimate enlarged tooth (‘‘fang’’) is relatively slight in
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<taxonomicName id="CBF8FBBEEE73FF988A49E3871518A4E4" authorityName="Myers & McDowell" authorityYear="2014" box="[119,260,1739,1758]" class="Reptilia" family="Dipsadidae" genus="Eutrachelophis" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="8" phylum="Chordata" rank="genus">
|
||
<emphasis id="3E8C5C2FEE73FF988A49E3871518A4E4" box="[119,260,1739,1758]" italics="true" pageId="8" pageNumber="8">Eutrachelophis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |