190 lines
21 KiB
XML
190 lines
21 KiB
XML
<document id="FDC025CCB57DBA998D0B3612D2F80B4D" ID-DOI="10.11646/zootaxa.5543.4.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="14386776" ID-ZooBank="E34AF3EF-4D03-4C08-8E11-C9514D42021B" IM.bibliography_approvedBy="guilherme" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="guilherme" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="guilherme" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="guilherme" checkinTime="1733919186538" checkinUser="plazi" docAuthor="Mah, Christopher L." docDate="2024" docId="03C83A1CFF9FC343FF772C0E564646E8" docLanguage="en" docName="zootaxa.5543.4.1.pdf" docOrigin="Zootaxa 5543 (4)" docSource="https://doi.org/10.11646/zootaxa.5543.4.1" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Ahuastra Mah, 2024, nov. gen." docType="treatment" docVersion="2" lastPageNumber="453" masterDocId="FFF14264FF9DC341FFE02E495341417D" masterDocTitle="New genera and species of deep-sea Goniasteridae (Asteroidea) from the North Pacific" masterLastPageNumber="500" masterPageNumber="451" pageNumber="453" updateTime="1734380713031" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="7051DE3B4C008DE1C6FED4E9B2F2C1A9">New genera and species of deep-sea Goniasteridae (Asteroidea) from the North Pacific</mods:title>
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<mods:namePart id="9F092F25A2C8FD8BCC0EBFD39EE7D190">Mah, Christopher L.</mods:namePart>
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<mods:title id="FC91B07E3519952FD520675EBC879076">Zootaxa</mods:title>
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<mods:part id="1D83424837411821F054E4B000EE6ADC">
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<mods:date id="405F065BA38EBE9B9B9377DC774E5E75">2024</mods:date>
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<mods:number id="A7BBC0E7CE8B3F65238F54240CC1EAB4">2024-12-05</mods:number>
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<mods:number id="AD1DEF11B16A70F9F563B03EDE0FCBE9">5543</mods:number>
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<mods:url id="D5CCD681F326186C6B2030C9C2019A60">https://doi.org/10.11646/zootaxa.5543.4.1</mods:url>
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<mods:classification id="8072F9CBFBFCECB4B0B77E0386D8D3F6">journal article</mods:classification>
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<mods:identifier id="00CE221CD42B40747627550A880F6B72" type="DOI">10.11646/zootaxa.5543.4.1</mods:identifier>
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<mods:identifier id="281FF61D2E7C8B8A73811A036D2E1F37" type="ISSN">1175-5326</mods:identifier>
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<subSubSection id="C37BD881FF9FC343FF772C0E523C431C" box="[151,381,583,610]" pageId="2" pageNumber="453" type="nomenclature">
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<paragraph id="8BDE8B0AFF9FC343FF772C0E523C431C" blockId="2.[151,381,583,610]" box="[151,381,583,610]" pageId="2" pageNumber="453">
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<heading id="D0963C66FF9FC343FF772C0E523C431C" bold="true" box="[151,381,583,610]" fontSize="11" level="1" pageId="2" pageNumber="453" reason="1">
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<emphasis id="B9155718FF9FC343FF772C0E523C431C" bold="true" box="[151,381,583,610]" pageId="2" pageNumber="453">
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<taxonomicName id="4C61F089FF9FC343FF772C0E5246431F" authorityName="Mah" authorityYear="2024" box="[151,263,583,610]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="B9155718FF9FC343FF772C0E5246431F" bold="true" box="[151,263,583,610]" italics="true" pageId="2" pageNumber="453">Ahuastra</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A226EA63FF9FC343FEEF2C0E523C431C" box="[271,381,583,609]" pageId="2" pageNumber="453" rank="genus">nov. gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37BD881FF9FC343FF772CC650AF4268" pageId="2" pageNumber="453" type="etymology">
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<paragraph id="8BDE8B0AFF9FC343FF772CC6525F43D4" blockId="2.[151,286,655,681]" box="[151,286,655,681]" pageId="2" pageNumber="453">
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<emphasis id="B9155718FF9FC343FF772CC6525F43D4" bold="true" box="[151,286,655,681]" pageId="2" pageNumber="453">Etymology</emphasis>
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</paragraph>
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<paragraph id="8BDE8B0AFF9FC343FF772C9E50AF4268" blockId="2.[151,1436,727,861]" pageId="2" pageNumber="453">
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The genus name is composed of the Hawaiian word for mound,
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<emphasis id="B9155718FF9FC343FC952C9E50DE438C" box="[885,927,727,753]" italics="true" pageId="2" pageNumber="453">ahu</emphasis>
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alluding to the strongly convex shape of the adults of this species plus the feminine Latin word “astra” alluding to “star.”
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</paragraph>
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</subSubSection>
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<subSubSection id="C37BD881FF9FC343FF272D56539C4220" pageId="2" pageNumber="453" type="type_taxon">
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<paragraph id="8BDE8B0AFF9FC343FF272D56539C4220" blockId="2.[151,1436,727,861]" pageId="2" pageNumber="453">
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Number of species:
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<taxonomicName id="4C61F089FF9FC343FE522D5651B54244" authority="(Mah, 2022)" authorityName="Mah" authorityYear="2024" baseAuthorityName="Mah" baseAuthorityYear="2022" box="[434,756,799,825]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="gfoei" status="nov. gen.">
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<emphasis id="B9155718FF9FC343FE522D56511B4244" box="[434,602,799,825]" italics="true" pageId="2" pageNumber="453">Ahuastra gfoei</emphasis>
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(
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<bibRefCitation id="EFF0F6FBFF9FC343FD8D2D5651AC4244" author="Mah, C. L." box="[621,749,799,825]" pageId="2" pageNumber="453" pagination="1 - 75" refId="ref22447" refString="Mah, C. L. (2022) New Genera, Species and Occurrence of Deep-Sea Asteroidea (Valvatacea, Forcipulatacea, Echinodermata) collected from the Tropical Pacific Ocean by the CAPSTONE Expedition. Zootaxa, 5164 (1), 1 - 75. https: // doi. org / 10.11646 / zootaxa. 5164.1.1" type="journal article" year="2022">Mah, 2022</bibRefCitation>
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)
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</taxonomicName>
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<emphasis id="B9155718FF9FC343FD1E2D5650B04244" bold="true" box="[766,1009,799,825]" pageId="2" pageNumber="453">
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<taxonomicNameLabel id="A226EA63FF9FC343FD1E2D56502B4244" box="[766,874,799,825]" pageId="2" pageNumber="453" rank="genus">nov. gen.</taxonomicNameLabel>
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nov. comb
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</emphasis>
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.,
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<emphasis id="B9155718FF9FC343FBE92D56539C4220" bold="true" pageId="2" pageNumber="453">
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<taxonomicName id="4C61F089FF9FC343FBE92D5657B54247" authorityName="Mah" authorityYear="2024" box="[1033,1268,799,826]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="kupanaha" status="n. gen.">
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<emphasis id="B9155718FF9FC343FBE92D5657B54247" bold="true" box="[1033,1268,799,826]" italics="true" pageId="2" pageNumber="453">Ahuastra kupanaha</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A226EA63FF9FC343FB1E2D5656114244" box="[1278,1360,799,825]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
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n. sp. (
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<typeStatus id="54DA35A8FF9FC343FF7F2D0A53944220" box="[159,213,835,861]" pageId="2" pageNumber="453">type</typeStatus>
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)
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="C37BD881FF9FC343FF772DE651EE4594" pageId="2" pageNumber="453" type="diagnosis">
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<paragraph id="8BDE8B0AFF9FC343FF772DE6525142B4" blockId="2.[151,272,943,969]" box="[151,272,943,969]" pageId="2" pageNumber="453">
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<emphasis id="B9155718FF9FC343FF772DE6525142B4" bold="true" box="[151,272,943,969]" pageId="2" pageNumber="453">Diagnosis</emphasis>
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</paragraph>
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<paragraph id="8BDE8B0AFF9FC343FF772DBE51EE4594" blockId="2.[151,1437,1015,1258]" pageId="2" pageNumber="453">
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Body shape variably pentagonal to stellate (R/r=1.3–2.6), thick.
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<emphasis id="B9155718FF9FC343FCBC2DBE50844524" bold="true" pageId="2" pageNumber="453">Abactinal plates composed of two separate areas, a distinct papular area with well-developed fasciolar grooves with pentagonal to irregular polygonal plates; remainder of disk and arm plates round to irregularly polygonal.</emphasis>
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Abactinal plates with granules, variable in size, some plates with bald central surface with granular periphery, some completely covering plate surface. Superomarginal plates covered by spiny granules, blocky in shape, present on abactinal surface in both known species. Inferomarginal plates covered by spiny granules, forming lateral edge, which is covered by knife-shaped spinelets, more prominent when observed alive.
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</paragraph>
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</subSubSection>
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<subSubSection id="C37BD881FF9FC343FF772B72564646E8" pageId="2" pageNumber="453" type="discussion">
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<paragraph id="8BDE8B0AFF9FC343FF772B72525F4428" blockId="2.[151,286,1339,1365]" box="[151,286,1339,1365]" pageId="2" pageNumber="453">
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<heading id="D0963C66FF9FC343FF772B72525F4428" bold="true" box="[151,286,1339,1365]" fontSize="11" level="1" pageId="2" pageNumber="453" reason="1">
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<emphasis id="B9155718FF9FC343FF772B72525F4428" bold="true" box="[151,286,1339,1365]" pageId="2" pageNumber="453">Comments</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BDE8B0AFF9FC343FF772BCD57CF479F" blockId="2.[151,1437,1411,1942]" pageId="2" pageNumber="453">
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It was not until a second species,
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<taxonomicName id="4C61F089FF9FC343FDF42BCA51B044E0" authorityName="Mah" authorityYear="2024" box="[532,753,1411,1437]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="kupanaha" status="n. gen.">
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<emphasis id="B9155718FF9FC343FDF42BCA51B044E0" box="[532,753,1411,1437]" italics="true" pageId="2" pageNumber="453">Ahuastra kupanaha</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A226EA63FF9FC343FD192BCD500744E3" box="[761,838,1412,1438]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
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n. sp., was discovered that morphological characters supporting a novel taxon could be established.
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<taxonomicName id="4C61F089FF9FC343FD7C2BEE504244BC" authorityName="Mah" authorityYear="2024" box="[668,771,1447,1473]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="B9155718FF9FC343FD7C2BEE504244BC" box="[668,771,1447,1473]" italics="true" pageId="2" pageNumber="453">Ahuastra</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A226EA63FF9FC343FCE82BE1501244BF" box="[776,851,1448,1474]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
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is similar to
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<taxonomicName id="4C61F089FF9FC343FC3F2BE1572944BC" authorityName="Verrill" authorityYear="1899" box="[991,1128,1448,1473]" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus">
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<emphasis id="B9155718FF9FC343FC3F2BE1572944BC" box="[991,1128,1448,1473]" italics="true" pageId="2" pageNumber="453">Litonotaster</emphasis>
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</taxonomicName>
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in that the abactinal surface in both genera are composed of circular to irregularly polygonal, abutted, flat plates. However, disk shape, including the high-aspect, the position of the marginal plates, with wider, nearly equidistant (L=W) shaped interradial marginal plates as well as having spines/spinelets present along the lateral edge of the inferomarginal plates are significantly different from the typological
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<taxonomicName id="4C61F089FF9FC343FE0A28715132472C" authorityName="Verrill" authorityYear="1899" box="[490,627,1592,1617]" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus">
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<emphasis id="B9155718FF9FC343FE0A28715132472C" box="[490,627,1592,1617]" italics="true" pageId="2" pageNumber="453">Litonotaster</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C61F089FF9FC343FD6228715062472C" baseAuthorityName="Perrier" baseAuthorityYear="1884" box="[642,803,1591,1617]" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="intermedius">
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<emphasis id="B9155718FF9FC343FD6228715062472C" box="[642,803,1591,1617]" italics="true" pageId="2" pageNumber="453">L. intermedius</emphasis>
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</taxonomicName>
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, which has a relatively weakly arched abactinal surface, and superomarginal/inferomarginal plates which are more lateral-facing, have more tumid superomarginal plate surfaces with a rounded actinolateral-edge, and are more elongate interradially. Spinelets are absent from the actinolateral edge along the inferomarginal plates in known
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<taxonomicName id="4C61F089FF9FC343FCAC28ED577647C0" box="[844,1079,1699,1725]" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="undetermined">
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<emphasis id="B9155718FF9FC343FCAC28ED509447C0" box="[844,981,1700,1725]" italics="true" pageId="2" pageNumber="453">Litonotaster</emphasis>
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species.
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</taxonomicName>
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Granular cover in
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<taxonomicName id="4C61F089FF9FC343FAF328ED525A479C" baseAuthorityName="Perrier" baseAuthorityYear="1884" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="intermedius">
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<emphasis id="B9155718FF9FC343FAF328ED525A479C" italics="true" pageId="2" pageNumber="453">Litonotaster intermedius</emphasis>
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</taxonomicName>
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is consistent over the entire abactinal surface but irregular on
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<taxonomicName id="4C61F089FF9FC343FC35288E577D479C" authorityName="Mah" authorityYear="2024" box="[981,1084,1735,1761]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="B9155718FF9FC343FC35288E577D479C" box="[981,1084,1735,1761]" italics="true" pageId="2" pageNumber="453">Ahuastra</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A226EA63FF9FC343FBA2288157CF479F" box="[1090,1166,1736,1762]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
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</paragraph>
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<paragraph id="8BDE8B0AFF9FC343FF2728A2564646E8" blockId="2.[151,1437,1411,1942]" pageId="2" pageNumber="453">
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Different species within
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<taxonomicName id="4C61F089FF9FC343FE0928A551334678" authorityName="Verrill" authorityYear="1899" box="[489,626,1772,1797]" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus">
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<emphasis id="B9155718FF9FC343FE0928A551334678" box="[489,626,1772,1797]" italics="true" pageId="2" pageNumber="453">Litonotaster</emphasis>
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</taxonomicName>
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show differing levels of affinity with
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<taxonomicName id="4C61F089FF9FC343FBDE28A257E44678" authorityName="Mah" authorityYear="2024" box="[1086,1189,1771,1797]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus" status="gen. nov.">
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<emphasis id="B9155718FF9FC343FBDE28A257E44678" box="[1086,1189,1771,1797]" italics="true" pageId="2" pageNumber="453">Ahuastra</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A226EA63FF9FC343FB5028A55642467B" box="[1200,1283,1772,1798]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
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,
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<taxonomicName id="4C61F089FF9FC343FAF328A552CE4657" authority="Ludwig 1905" authorityName="Ludwig" authorityYear="1905" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="tumidus">
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<emphasis id="B9155718FF9FC343FAF328A553B14654" italics="true" pageId="2" pageNumber="453">Litonotaster tumidus</emphasis>
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<bibRefCitation id="EFF0F6FBFF9FC343FF18294652CE4657" author="Ludwig, H." box="[248,399,1807,1834]" pageId="2" pageNumber="453" pagination="1 - 292" refId="ref21834" refString="Ludwig, H. (1905) Asteroidea. Memoirs of the Museum of Comparative Zoology at Harvard, 32, vii - xii + 1 - 292, pls." type="journal article" year="1905">Ludwig 1905</bibRefCitation>
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</taxonomicName>
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demonstrates more affinity with
|
||
<taxonomicName id="4C61F089FF9FC343FCE7294650A24654" authorityName="Mah" authorityYear="2024" box="[775,995,1807,1833]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="kupanaha" status="n. gen.">
|
||
<emphasis id="B9155718FF9FC343FCE7294650A24654" box="[775,995,1807,1833]" italics="true" pageId="2" pageNumber="453">Ahuastra kupanaha</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A226EA63FF9FC343FC0B295957794657" box="[1003,1080,1808,1834]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
|
||
n. sp. than with
|
||
<taxonomicName id="4C61F089FF9FC343FB16294652624630" authority="(Mah 2022)" authorityName="Mah" authorityYear="2024" baseAuthorityName="Mah" baseAuthorityYear="2022" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="gfoei">
|
||
<emphasis id="B9155718FF9FC343FB16294656DD4654" box="[1270,1436,1807,1833]" italics="true" pageId="2" pageNumber="453">Ahuastra gfoei</emphasis>
|
||
(
|
||
<bibRefCitation id="EFF0F6FBFF9FC343FF7F297A525A4630" author="Mah, C. L." box="[159,283,1843,1869]" pageId="2" pageNumber="453" pagination="1 - 75" refId="ref22447" refString="Mah, C. L. (2022) New Genera, Species and Occurrence of Deep-Sea Asteroidea (Valvatacea, Forcipulatacea, Echinodermata) collected from the Tropical Pacific Ocean by the CAPSTONE Expedition. Zootaxa, 5164 (1), 1 - 75. https: // doi. org / 10.11646 / zootaxa. 5164.1.1" type="journal article" year="2022">Mah 2022</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C61F089FF9FC343FED1297D515C4630" authorityName="Ludwig" authorityYear="1905" box="[305,541,1843,1869]" class="Asteroidea" family="Goniasteridae" genus="Litonotaster" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="species" species="tumidus">
|
||
<emphasis id="B9155718FF9FC343FED1297D515C4630" box="[305,541,1843,1869]" italics="true" pageId="2" pageNumber="453">Litonotaster tumidus</emphasis>
|
||
</taxonomicName>
|
||
lacks the spination along the actinolateral fringe and abactinal granulation is spinose (more round in
|
||
<taxonomicName id="4C61F089FF9FC343FE7C291E5142460C" authorityName="Mah" authorityYear="2024" box="[412,515,1879,1905]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus" status="gen. nov.">
|
||
<emphasis id="B9155718FF9FC343FE7C291E5142460C" box="[412,515,1879,1905]" italics="true" pageId="2" pageNumber="453">Ahuastra</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A226EA63FF9FC343FDE829115115460C" box="[520,596,1879,1906]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
|
||
) but it does have a small papular region with enlarged plates similar to those in
|
||
<taxonomicName id="4C61F089FF9FC343FF542932525A46E8" authorityName="Mah" authorityYear="2024" box="[180,283,1915,1941]" class="Asteroidea" family="Goniasteridae" genus="Ahuastra" kingdom="Animalia" order="Valvatida" pageId="2" pageNumber="453" phylum="Echinodermata" rank="genus" status="gen. nov.">
|
||
<emphasis id="B9155718FF9FC343FF542932525A46E8" box="[180,283,1915,1941]" italics="true" pageId="2" pageNumber="453">Ahuastra</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A226EA63FF9FC343FEC22935522F46EB" box="[290,366,1916,1942]" pageId="2" pageNumber="453" rank="genus">n. gen.</taxonomicNameLabel>
|
||
Phylogenetic tests are desirable in order to more fully delineate taxon boundaries.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |