treatments-xml/data/38/58/27/3858272ED7D954CE84AF1829E15B635D.xml

<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1031.62391" ID-GBIF-Dataset="70930a3a-3709-440d-a750-db3695a80cf3" ID-PMC="PMC8060245" ID-Pensoft-Pub="1313-2970-1031-19" ID-Pensoft-UUID="DCE2CA785D9B5A2F9A49ECA90EDD1324" ID-PubMed="33958906" ID-ZooBank="D39B776A5C3D44A89009D6ECE37B0AA2" ModsDocID="1313-2970-1031-19" checkinTime="1618457922533" checkinUser="pensoft" docAuthor="Loerz, Anne-Nina &amp; Horton, Tammy" docDate="2021" docId="3858272ED7D954CE84AF1829E15B635D" docLanguage="en" docName="ZooKeys 1031: 19-39" docOrigin="ZooKeys 1031" docPubDate="2021-04-14" docSource="http://dx.doi.org/10.3897/zookeys.1031.62391" docTitle="Amathillopsis Heller 1875" docType="treatment" docVersion="5" id="DCE2CA785D9B5A2F9A49ECA90EDD1324" lastPageNumber="19" masterDocId="DCE2CA785D9B5A2F9A49ECA90EDD1324" masterDocTitle="Investigation of the Amathillopsidae (Amphipoda, Crustacea), including the description of a new species, reveals a clinging lifestyle in the deep sea worldwide" masterLastPageNumber="39" masterPageNumber="19" pageNumber="19" updateTime="1668150147665" updateUser="ExternalLinkService">
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<mods:title>Investigation of the Amathillopsidae (Amphipoda, Crustacea), including the description of a new species, reveals a clinging lifestyle in the deep sea worldwide</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Loerz, Anne-Nina</mods:namePart>
<mods:affiliation>Center of Naturkunde, Universitaet Hamburg, Martin-Luther King Platz 3, 20146 Hamburg, Germany</mods:affiliation>
<mods:nameIdentifier type="email">anne-nina.loerz@uni-hamburg.de</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Horton, Tammy</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4250-1068</mods:nameIdentifier>
<mods:affiliation>National Oceanography Centre, Southampton, European Way, Southampton SO 14 3 ZH, UK</mods:affiliation>
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<mods:date>2021</mods:date>
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<mods:number>2021-04-14</mods:number>
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<mods:number>1031</mods:number>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1031.62391</mods:identifier>
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<treatment ID-GBIF-Taxon="181007947" LSID="urn:lsid:plazi:treatment:3858272ED7D954CE84AF1829E15B635D" httpUri="http://treatment.plazi.org/id/3858272ED7D954CE84AF1829E15B635D" lastPageNumber="19" pageId="0" pageNumber="19">
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<taxonomicName LSID="3858272E-D7D9-54CE-84AF-1829E15B635D" authority="Heller, 1875" authorityName="Heller" authorityYear="1875" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Amathillopsis Heller, 1875</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="19" type="reference_group">
<paragraph pageId="0" pageNumber="19">
<taxonomicName authorityName="Heller" authorityYear="1875" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Amathillopsis</taxonomicName>
Heller, 1875: 35. - 
<bibRefCitation author="Stebbing, TRR" journalOrPublisher="Pacific Scientist" pageId="0" pageNumber="19" publicationUrl="http://www.biodiversitylibrary.org/page/998303page/7/mode/1up" refId="B31" refString="Stebbing, TRR, 1906. http://www.biodiversitylibrary.org/page/998303page/7/mode/1up" url="http://www.biodiversitylibrary.org/page/998303page/7/mode/1up" year="1906">Stebbing 1906</bibRefCitation>
: 384. - 
<bibRefCitation author="Gurjanova, EF" journalOrPublisher="Akademiya Nauk SSSR, Trudy Zoologicheskogo Instituta" pageId="0" pageNumber="19" pagination="166 - 218" refId="B15" refString="Gurjanova, EF, 1955. Novye vidy bokoplavov (Amphipoda, Gammaridea) iz severnoi chasti Tikhogo okeana. [New amphipod species (Amphipoda, Gammaridea) from the northern part of the Pacific Ocean]. Akademiya Nauk SSSR, Trudy Zoologicheskogo Instituta 18: 166 - 218" title="Novye vidy bokoplavov (Amphipoda, Gammaridea) iz severnoi chasti Tikhogo okeana. [New amphipod species (Amphipoda, Gammaridea) from the northern part of the Pacific Ocean]." volume="18" year="1955">Gurjanova 1955</bibRefCitation>
: 209 (key). - J.L. 
<bibRefCitation DOI="https://doi.org/10.5479/si.03629236.258.1" author="Barnard, JL" journalOrPublisher="United States National Museum Bulletin" pageId="0" pageNumber="19" pagination="1 - 535" refId="B4" refString="Barnard, JL, 1969. The families and genera of marine gammaridean Amphipoda. United States National Museum Bulletin 271: 1 - 535, DOI: https://doi.org/10.5479/si.03629236.258.1" title="The families and genera of marine gammaridean Amphipoda." url="https://doi.org/10.5479/si.03629236.258.1" volume="271" year="1969">Barnard 1969</bibRefCitation>
: 394. - J.L. 
<bibRefCitation DOI="https://doi.org/10.3853/j.0812-7387.13.1991.91" author="Barnard, JL" journalOrPublisher="Records of the Australian Museum, Supplement" pageId="0" pageNumber="19" pagination="1 - 866" refId="B5" refString="Barnard, JL, Karaman, GS, 1991. The families and genera of marine gammaridean Amphipoda (except marine gammaroids). Records of the Australian Museum, Supplement 13: 1 - 866, DOI: https://doi.org/10.3853/j.0812-7387.13.1991.91" title="The families and genera of marine gammaridean Amphipoda (except marine gammaroids)." url="https://doi.org/10.3853/j.0812-7387.13.1991.91" volume="13" year="1991">Barnard and Karaman 1991</bibRefCitation>
: 390.
</paragraph>
<paragraph pageId="0" pageNumber="19">
<taxonomicName authorityName="Holmes" authorityYear="1908" class="Malacostraca" family="Amathillopsidae" genus="Acanthopleustes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthopleustes" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Acanthopleustes</taxonomicName>
Holmes, 1908: 533 (
<taxonomicName authorityName="Holmes" authorityYear="1908" class="Malacostraca" family="Amathillopsidae" genus="Acanthopleustes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthopleustes annectens" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="annectens">Acanthopleustes annectens</taxonomicName>
Holmes, 1908 by original designation).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="19" type="type species">
<paragraph pageId="0" pageNumber="19">Type species.</paragraph>
<paragraph pageId="0" pageNumber="19">
<taxonomicName authorityName="Heller" authorityYear="1875" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis spinigera" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="spinigera">
<emphasis italics="true" pageId="0" pageNumber="19">Amathillopsis spinigera</emphasis>
</taxonomicName>
Heller, 1875 (by original designation).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="19" type="diagnosis">
<paragraph pageId="0" pageNumber="19">Diagnosis</paragraph>
<paragraph pageId="0" pageNumber="19">
<emphasis bold="true" pageId="0" pageNumber="19">
(after 
<bibRefCitation author="Lowry, JK" journalOrPublisher="Zootaxa" pageId="0" pageNumber="19" pagination="1 - 28" refId="B25" refString="Lowry, JK, 2006. New families and subfamilies of Amphipod Crustaceans. Zootaxa 1254: 1 - 28" title="New families and subfamilies of Amphipod Crustaceans." volume="1254" year="2006">Lowry 2006</bibRefCitation>
). 
<emphasis italics="true" pageId="0" pageNumber="19">Head</emphasis>
.
</emphasis>
Deeper than long; lateral cephalic lobe subquadrate, truncated apically; anteroventral margin straight, anteroventral margin moderately recessed, anteroventral margin moderately excavate; rostrum short or moderate length; eyes present (round or ovoid) or absent. Body smooth, or dorsally carinate. Antenna 1 subequal in length or longer than antenna 2; peduncle with sparse slender setae; peduncular article 1 shorter than or subequal to article 2; article 2 longer than article 3; article 3 shorter than article 1; accessory flagellum short or minute, 1- or 2-articulate; calceoli present. Antenna 2 medium length; peduncle with sparse slender setae or none; flagellum shorter than or as long as peduncle.
</paragraph>
<paragraph pageId="0" pageNumber="19">
<emphasis bold="true" pageId="0" pageNumber="19">
<emphasis italics="true" pageId="0" pageNumber="19">Pereon</emphasis>
.
</emphasis>
Coxae 1-4 longer than broad, overlapping, coxae 1-3 or coxae 1-4 ventrally acute. Coxae 1-3 similar in size or progressively larger. Gnathopod 1 subchelate; carpus shorter than or subequal to propodus; propodus with or without peg-like robust setae along palmar margin. Gnathopod 2 subchelate; coxa smaller than but not hidden by coxa 3 or subequal to but not hidden by coxa 3; carpus short, shorter than propodus. Pereopods: some or none prehensile. Pereopod 4 coxa ventrally acute, with or without small posteroventral lobe. Pereopod 5 coxa equilobate, with posteroventral lobe or with acute posterodistal lobe; basis slightly expanded or linear. Pereopod 6 subequal in length to, or longer than pereopod 7; basis slightly expanded or linear. Pereopod 7 shorter than or subequal in length to pereopod 5; basis slightly expanded or linear.
</paragraph>
<paragraph pageId="0" pageNumber="19">
<emphasis bold="true" pageId="0" pageNumber="19">
<emphasis italics="true" pageId="0" pageNumber="19">Pleon</emphasis>
.
</emphasis>
Urosomite 1 carinate, urosomites 1-2 carinate or urosomites not carinate. Uropods 1-2 apices of rami without robust setae. Telson notched, emarginate or entire; dorsal or lateral robust setae absent; apical robust setae absent.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="19" type="remarks">
<paragraph pageId="0" pageNumber="19">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="19">
<taxonomicName authorityName="Heller" authorityYear="1875" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="19">Amathillopsis</emphasis>
</taxonomicName>
is the type genus of the family 
<taxonomicName authorityName="Pirlot" authorityYear="1934" class="Malacostraca" family="Amathillopsidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="family">Amathillopsidae</taxonomicName>
and the genus has a cosmopolitan distribution (
<bibRefCitation author="Wakabara, Y" journalOrPublisher="Zoosystema" pageId="0" pageNumber="19" pagination="625 - 645" refId="B36" refString="Wakabara, Y, Serejo, CS, 1999. Amathillopsidae and Epimeriidae (Crustacea, Amphipoda) from bathyal depths off the Brazilian coast. Zoosystema 21 (4): 625 - 645" title="Amathillopsidae and Epimeriidae (Crustacea, Amphipoda) from bathyal depths off the Brazilian coast." volume="21" year="1999">Wakabara and Serejo 1999</bibRefCitation>
). It currently contains 12 species, five of which are known from the Pacific, 
<taxonomicName lsidName="A. annectens" pageId="0" pageNumber="19" rank="species" species="annectens">
<emphasis italics="true" pageId="0" pageNumber="19">A. annectens</emphasis>
</taxonomicName>
(Holmes, 1908), 
<taxonomicName lsidName="A. australis" pageId="0" pageNumber="19" rank="species" species="australis">
<emphasis italics="true" pageId="0" pageNumber="19">A. australis</emphasis>
</taxonomicName>
Stebbing, 1883, 
<taxonomicName lsidName="A. grevei" pageId="0" pageNumber="19" rank="species" species="grevei">
<emphasis italics="true" pageId="0" pageNumber="19">A. grevei</emphasis>
</taxonomicName>
J.L. Barnard, 1961, 
<taxonomicName lsidName="A. takahashiae" pageId="0" pageNumber="19" rank="species" species="takahashiae">
<emphasis italics="true" pageId="0" pageNumber="19">A. takahashiae</emphasis>
</taxonomicName>
Tomikawa &amp; Mawatari, 2006 and 
<taxonomicName lsidName="A. pacifica" pageId="0" pageNumber="19" rank="species" species="pacifica">
<emphasis italics="true" pageId="0" pageNumber="19">A. pacifica</emphasis>
</taxonomicName>
Gurjanova, 1955 (and the sub species 
<taxonomicName lsidName="A. pacifica subsp. margo" pageId="0" pageNumber="19" rank="subSpecies" species="pacifica" subSpecies="margo">
<emphasis italics="true" pageId="0" pageNumber="19">A. pacifica margo</emphasis>
</taxonomicName>
J.L. Barnard, 1967),; two from the Antarctic, 
<taxonomicName lsidName="A. roroi" pageId="0" pageNumber="19" rank="species" species="roroi">
<emphasis italics="true" pageId="0" pageNumber="19">A. roroi</emphasis>
</taxonomicName>
Coleman &amp; Coleman, 2008 and 
<taxonomicName lsidName="A. charlottae" pageId="0" pageNumber="19" rank="species" species="charlottae">
<emphasis italics="true" pageId="0" pageNumber="19">A. charlottae</emphasis>
</taxonomicName>
Coleman, 1998; two from the Indian Ocean, 
<taxonomicName lsidName="A. septemdentata" pageId="0" pageNumber="19" rank="species" species="septemdentata">
<emphasis italics="true" pageId="0" pageNumber="19">A. septemdentata</emphasis>
</taxonomicName>
Ledoyer, 1978 and 
<taxonomicName lsidName="A. comorensis" pageId="0" pageNumber="19" rank="species" species="comorensis">
<emphasis italics="true" pageId="0" pageNumber="19">A. comorensis</emphasis>
</taxonomicName>
Ledoyer, 1986; and three from the North Atlantic and Arctic, 
<taxonomicName lsidName="A. affinis" pageId="0" pageNumber="19" rank="species" species="affinis">
<emphasis italics="true" pageId="0" pageNumber="19">A. affinis</emphasis>
</taxonomicName>
Miers, 1881, 
<taxonomicName lsidName="A. spinigera" pageId="0" pageNumber="19" rank="species" species="spinigera">
<emphasis italics="true" pageId="0" pageNumber="19">A. spinigera</emphasis>
</taxonomicName>
Heller, 1875 and 
<taxonomicName lsidName="A. atlantica" pageId="0" pageNumber="19" rank="species" species="atlantica">
<emphasis italics="true" pageId="0" pageNumber="19">A. atlantica</emphasis>
</taxonomicName>
Chevreux, 1908. 
<taxonomicName authorityName="Heller" authorityYear="1875" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="19">Amathillopsis</emphasis>
</taxonomicName>
is a deep-sea specialist, with the shallowest records of the large species, 
<taxonomicName lsidName="A. spinigera" pageId="0" pageNumber="19" rank="species" species="spinigera">
<emphasis italics="true" pageId="0" pageNumber="19">A. spinigera</emphasis>
</taxonomicName>
, coming from colder Arctic waters at 248 m. All other species are found at depths of 500 to 3580 m. The new species, 
<taxonomicName lsidName="A. inkenae" pageId="0" pageNumber="19" rank="species" species="inkenae">
<emphasis italics="true" pageId="0" pageNumber="19">A. inkenae</emphasis>
</taxonomicName>
, described here, provides the deepest confirmed records of an 
<taxonomicName authorityName="Heller" authorityYear="1875" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="19">Amathillopsis</emphasis>
</taxonomicName>
to date, at 4622 m and 4844 m. Table 
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Type localities of all described species (and subspecies) of Amathillopsis and Cleonardopsis. The type locality of Amathillopleustes alticoxa is included as this likely represents a different species from Cleonardopsis carinata, with which it is currently synonymised. All localities are taken from original descriptions. Coordinates of localities for A. annectens, A. pacifica, and C. carinata are inferred from the verbatim type locality." httpUri="http://table.plazi.org/id/B42C676AC907CF3B81637F0382F0C847" pageId="0" pageNumber="19" tableUuid="B42C676AC907CF3B81637F0382F0C847">1</tableCitation>
summarises the known species in the genus along with the type locality and depth.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="19" type="species">
<paragraph pageId="0" pageNumber="19">Species.</paragraph>
<paragraph pageId="0" pageNumber="19">
<taxonomicName authorityName="Miers" authorityYear="1881" class="Malacostraca" family="Amathillopsidae" genus="Amathillopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Amathillopsis affinis" order="Amphipoda" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="affinis">
<emphasis italics="true" pageId="0" pageNumber="19">Amathillopsis affinis</emphasis>
</taxonomicName>
Miers, 1881, 
<taxonomicName lsidName="A. annectens" pageId="0" pageNumber="19" rank="species" species="annectens">
<emphasis italics="true" pageId="0" pageNumber="19">A. annectens</emphasis>
</taxonomicName>
(Holmes, 1908), 
<taxonomicName lsidName="A. atlantica" pageId="0" pageNumber="19" rank="species" species="atlantica">
<emphasis italics="true" pageId="0" pageNumber="19">A. atlantica</emphasis>
</taxonomicName>
Chevreux, 1908, 
<taxonomicName lsidName="A. australis" pageId="0" pageNumber="19" rank="species" species="australis">
<emphasis italics="true" pageId="0" pageNumber="19">A. australis</emphasis>
</taxonomicName>
Stebbing, 1883, 
<taxonomicName lsidName="A. charlottae" pageId="0" pageNumber="19" rank="species" species="charlottae">
<emphasis italics="true" pageId="0" pageNumber="19">A. charlottae</emphasis>
</taxonomicName>
Coleman, 1998, 
<taxonomicName lsidName="A. comorensis" pageId="0" pageNumber="19" rank="species" species="comorensis">
<emphasis italics="true" pageId="0" pageNumber="19">A. comorensis</emphasis>
</taxonomicName>
Ledoyer, 1986, 
<taxonomicName lsidName="A. grevei" pageId="0" pageNumber="19" rank="species" species="grevei">
<emphasis italics="true" pageId="0" pageNumber="19">A. grevei</emphasis>
</taxonomicName>
J.L. Barnard, 1961, 
<taxonomicName lsidName="A. pacifica" pageId="0" pageNumber="19" rank="species" species="pacifica">
<emphasis italics="true" pageId="0" pageNumber="19">A. pacifica</emphasis>
</taxonomicName>
Gurjanova, 1955, 
<taxonomicName lsidName="A. pacifica subsp. margo" pageId="0" pageNumber="19" rank="subSpecies" species="pacifica" subSpecies="margo">
<emphasis italics="true" pageId="0" pageNumber="19">A. pacifica margo</emphasis>
</taxonomicName>
J.L. Barnard, 1967, 
<taxonomicName lsidName="A. roroi" pageId="0" pageNumber="19" rank="species" species="roroi">
<emphasis italics="true" pageId="0" pageNumber="19">A. roroi</emphasis>
</taxonomicName>
Coleman &amp; Coleman, 2008, 
<taxonomicName lsidName="A. septemdentata" pageId="0" pageNumber="19" rank="species" species="septemdentata">
<emphasis italics="true" pageId="0" pageNumber="19">A. septemdentata</emphasis>
</taxonomicName>
Ledoyer, 1978, 
<taxonomicName lsidName="A. spinigera" pageId="0" pageNumber="19" rank="species" species="spinigera">
<emphasis italics="true" pageId="0" pageNumber="19">A. spinigera</emphasis>
</taxonomicName>
Heller, 1875, 
<taxonomicName lsidName="A. takahashiae" pageId="0" pageNumber="19" rank="species" species="takahashiae">
<emphasis italics="true" pageId="0" pageNumber="19">A. takahashiae</emphasis>
</taxonomicName>
Tomikawa &amp; Mawatari, 2006.
</paragraph>
</subSubSection>
</treatment>
</document>