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<mods:title id="A3515CF781CA032E41A954331BD6F339">Three species of Acanthaxius Sakai &amp; de Saint Laurent, 1989, including two new to science, from the Solomon Islands and New Caledonia (Crustacea, Thalassinidea, Axiidae)</mods:title>
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<mods:namePart id="8A809335A4128B84F992719AE5C735EA">Ngoc-Ho, Nguyen</mods:namePart>
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<subSubSection id="4D9465299B066375FE960C0BFC414A2C" box="[264,906,1345,1371]" pageId="1" pageNumber="58" type="nomenclature">
<paragraph id="053136A29B066375FE960C0BFC414A2C" blockId="1.[264,906,1345,1371]" box="[264,906,1345,1371]" pageId="1" pageNumber="58">
<heading id="5E7981CE9B066375FE960C0BFC414A2C" bold="true" box="[264,906,1345,1371]" fontSize="11" level="1" pageId="1" pageNumber="58" reason="1">
<emphasis id="37FAEAB09B066375FE960C0BFC414A2C" bold="true" box="[264,906,1345,1371]" pageId="1" pageNumber="58">
Genus
<taxonomicName id="C28E4D219B066375FEC10C0BFD8D4A2C" ID-CoL="ac83d0fb-cad8-46d6-881d-09002c9ee300" authority="Sakai" authorityName="Sakai" box="[351,582,1345,1371]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="genus">
<emphasis id="37FAEAB09B066375FEC10C0BFE334A2C" bold="true" box="[351,504,1345,1371]" italics="true" pageId="1" pageNumber="58">Acanthaxius</emphasis>
Sakai
</taxonomicName>
&amp; de
<bibRefCitation id="611F4B539B066375FD0C0C0BFC414A2C" author="Saint" box="[658,906,1345,1371]" pageId="1" pageNumber="68" refString="Sakai, K. &amp; de Saint Laurent, M. (1989) A check list of Axiidae (Decapoda, Crustacea, Thalassinidea, Anomura), with remarks and in addition descriptions of one new subfamily, eleven new genera and two new species. Naturalists, 3, 1 - 104." type="journal article" year="1989">Saint Laurent, 1989</bibRefCitation>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="4D9465299B066376FE960CC6FDE54CC1" lastPageId="2" lastPageNumber="59" pageId="1" pageNumber="58" type="discussion">
<paragraph id="053136A29B066375FE960CC6FEA54AD2" blockId="1.[264,1323,1420,1886]" box="[264,366,1420,1445]" pageId="1" pageNumber="58">
<emphasis id="37FAEAB09B066375FE960CC6FEA54AD2" box="[264,366,1420,1445]" italics="true" pageId="1" pageNumber="58">Remarks</emphasis>
</paragraph>
<paragraph id="053136A29B066375FEA60CFEFD784841" blockId="1.[264,1323,1420,1886]" pageId="1" pageNumber="58">
The genus
<taxonomicName id="C28E4D219B066375FE5F0CFEFD994ABA" box="[449,594,1460,1485]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="genus">
<emphasis id="37FAEAB09B066375FE5F0CFEFD994ABA" box="[449,594,1460,1485]" italics="true" pageId="1" pageNumber="58">Acanthaxius</emphasis>
</taxonomicName>
was created by Sakai &amp; de
<bibRefCitation id="611F4B539B066375FC270CFEFB7D4AB9" box="[953,1206,1460,1486]" pageId="1" pageNumber="68" refString="Sakai, K. &amp; de Saint Laurent, M. (1989) A check list of Axiidae (Decapoda, Crustacea, Thalassinidea, Anomura), with remarks and in addition descriptions of one new subfamily, eleven new genera and two new species. Naturalists, 3, 1 - 104." type="journal article">Saint Laurent (1989)</bibRefCitation>
for eight species with
<taxonomicName id="C28E4D219B066375FE320C96FC714A81" authority="Sakai, 1987" authorityName="Sakai" authorityYear="1987" box="[428,954,1500,1526]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="pilocheira" subGenus="Axiopsis">
<emphasis id="37FAEAB09B066375FE320C96FDDB4A82" box="[428,528,1500,1525]" italics="true" pageId="1" pageNumber="58">Axiopsis</emphasis>
(
<emphasis id="37FAEAB09B066375FDB90C96FD414A82" box="[551,650,1500,1525]" italics="true" pageId="1" pageNumber="58">Axiopsis</emphasis>
)
<emphasis id="37FAEAB09B066375FD3C0C96FCD04A82" box="[674,795,1500,1525]" italics="true" pageId="1" pageNumber="58">pilocheira</emphasis>
<bibRefCitation id="611F4B539B066375FCB60C96FC714A81" author="Sakai" box="[808,954,1500,1526]" pageId="1" pageNumber="68" refString="Sakai, K. (1987) Two new Thalassinidea (Crustacea: Decapoda) from Japan, with the biogeographical distribution of the Japanese Thalassinidea. Bulletin of Marine Science, 41 (2), 396 - 308." type="journal article" year="1987">Sakai, 1987</bibRefCitation>
</taxonomicName>
as
<typeStatus id="DA3588009B066375FC730C96FBEB4A81" box="[1005,1056,1500,1526]" pageId="1" pageNumber="58">type</typeStatus>
species. Later,
<bibRefCitation id="611F4B539B066375FB770C96FE9D4969" author="Sakai" pageId="1" pageNumber="68" refString="Sakai, K. (1994) Eleven species of Australian Axiidae (Crustacea: Decapoda: Thalassinidea) with description of one new genus and five new species. The Beagle, 11, 175 - 202." type="journal article" year="1994">Sakai (1994)</bibRefCitation>
increased, with
<taxonomicName id="C28E4D219B066375FDB80F4EFD1D496A" box="[550,726,1540,1565]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="polycheates">
<emphasis id="37FAEAB09B066375FDB80F4EFD1D496A" box="[550,726,1540,1565]" italics="true" pageId="1" pageNumber="58">A. polycheates</emphasis>
</taxonomicName>
, the number of species to nine.
<bibRefCitation id="611F4B539B066375FBEF0F4EFAE04969" author="Kensley" box="[1137,1323,1540,1566]" pageId="1" pageNumber="68" refString="Kensley, B. (1996) A new species of the axiid shrimp genus Acanthaxius from the Caribbean (Crustacea: Decapoda: Thalassinidea). Proceedings of the Biological Society of Washington, 109 (1), 70 - 74." type="journal article" year="1996">Kensley (1996)</bibRefCitation>
considered that “
<emphasis id="37FAEAB09B066375FE510F66FB9D4932" box="[463,1110,1580,1605]" italics="true" pageId="1" pageNumber="58">the definition of this genus contains some uncertainties</emphasis>
”, redefined it and limited the number of species to five:
<taxonomicName id="C28E4D219B066375FD7E0F1EFBA74919" authority="Yokoya, 1933" authorityName="Yokoya" authorityYear="1933" box="[736,1132,1620,1646]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="miyazakiensis">
<emphasis id="37FAEAB09B066375FD7E0F1EFC63491A" box="[736,936,1620,1645]" italics="true" pageId="1" pageNumber="58">A. miyazakiensis</emphasis>
(Yokoya, 1933)
</taxonomicName>
from
<collectingCountry id="7D9976329B066375FB220F1EFAC94919" box="[1212,1282,1620,1646]" name="Japan" pageId="1" pageNumber="58">Japan</collectingCountry>
,
<taxonomicName id="C28E4D219B066375FA8F0F1EFD7A49E1" authority="Miyake &amp; Sakai, 1967" authorityName="Miyake &amp; Sakai" authorityYear="1967" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="amakusana">
<emphasis id="37FAEAB09B066375FA8F0F1EFE4649E2" italics="true" pageId="1" pageNumber="58">A. amakusana</emphasis>
(Miyake &amp; Sakai, 1967)
</taxonomicName>
and
<taxonomicName id="C28E4D219B066375FD740F36FB7549E1" authority="Miyake &amp; Sakai, 1967" authorityName="Miyake &amp; Sakai" authorityYear="1967" box="[746,1214,1660,1686]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="polyacantha">
<emphasis id="37FAEAB09B066375FD740F36FC5749E2" box="[746,924,1660,1685]" italics="true" pageId="1" pageNumber="58">A. polyacantha</emphasis>
(Miyake &amp; Sakai, 1967)
</taxonomicName>
from the East
<collectingCountry id="7D9976329B066375FEDD0FEEFE4249C9" box="[323,393,1700,1726]" name="China" pageId="1" pageNumber="58">China</collectingCountry>
Sea,
<taxonomicName id="C28E4D219B066375FE520FEEFCC749C9" authority="Sakai, 1987" authorityName="Sakai" authorityYear="1987" box="[460,780,1700,1726]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="pilocheira">
<emphasis id="37FAEAB09B066375FE520FEEFDAE49CA" box="[460,613,1700,1725]" italics="true" pageId="1" pageNumber="58">A. pilocheira</emphasis>
(
<bibRefCitation id="611F4B539B066375FDE80FEEFCCF49C9" author="Sakai" box="[630,772,1700,1726]" pageId="1" pageNumber="68" refString="Sakai, K. (1987) Two new Thalassinidea (Crustacea: Decapoda) from Japan, with the biogeographical distribution of the Japanese Thalassinidea. Bulletin of Marine Science, 41 (2), 396 - 308." type="journal article" year="1987">Sakai, 1987</bibRefCitation>
)
</taxonomicName>
from
<collectingCountry id="7D9976329B066375FCC80FEEFC5749C9" box="[854,924,1700,1726]" name="Japan" pageId="1" pageNumber="58">Japan</collectingCountry>
,
<taxonomicName id="C28E4D219B066375FC370FEEFB2249C9" authority="Sakai, 1994" authorityName="Sakai" authorityYear="1994" box="[937,1257,1700,1726]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="polychaetes">
<emphasis id="37FAEAB09B066375FC370FEEFB9E49CA" box="[937,1109,1700,1725]" italics="true" pageId="1" pageNumber="58">A. polychaetes</emphasis>
<bibRefCitation id="611F4B539B066375FBC00FEEFB2249C9" author="Sakai" box="[1118,1257,1700,1726]" pageId="1" pageNumber="68" refString="Sakai, K. (1994) Eleven species of Australian Axiidae (Crustacea: Decapoda: Thalassinidea) with description of one new genus and five new species. The Beagle, 11, 175 - 202." type="journal article" year="1994">Sakai, 1994</bibRefCitation>
</taxonomicName>
from the Great Barrier Reef,
<collectingCountry id="7D9976329B066375FD840F86FD434991" box="[538,648,1740,1766]" name="Australia" pageId="1" pageNumber="58">Australia</collectingCountry>
, and added
<taxonomicName id="C28E4D219B066375FC8F0F86FB854991" authority="Kensley, 1996" authorityName="Kensley" authorityYear="1996" box="[785,1102,1740,1766]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="kirmilleri">
<emphasis id="37FAEAB09B066375FC8F0F86FC6B4992" box="[785,928,1740,1765]" italics="true" pageId="1" pageNumber="58">A. kirmilleri</emphasis>
<bibRefCitation id="611F4B539B066375FC390F86FB854991" author="Kensley" box="[935,1102,1740,1766]" pageId="1" pageNumber="68" refString="Kensley, B. (1996) A new species of the axiid shrimp genus Acanthaxius from the Caribbean (Crustacea: Decapoda: Thalassinidea). Proceedings of the Biological Society of Washington, 109 (1), 70 - 74." type="journal article" year="1996">Kensley, 1996</bibRefCitation>
</taxonomicName>
from off
<collectingCountry id="7D9976329B066375FB220F86FAED4991" box="[1212,1318,1740,1766]" name="Anguilla" pageId="1" pageNumber="58">Anguilla</collectingCountry>
. Two other species were established in 1998:
<taxonomicName id="C28E4D219B066375FCBE0FBEFBB84879" authority="Kensley &amp; Chan" authorityName="Kensley &amp; Chan" box="[800,1139,1780,1806]" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="formosa">
<emphasis id="37FAEAB09B066375FCBE0FBEFC68487A" box="[800,931,1780,1805]" italics="true" pageId="1" pageNumber="58">A. formosa</emphasis>
Kensley &amp; Chan
</taxonomicName>
and
<taxonomicName id="C28E4D219B066375FB310FBEFE054841" authority="Kensley &amp; Chan" authorityName="Kensley &amp; Chan" class="Malacostraca" family="Axiidae" genus="Axiopsis" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="grandis">
<emphasis id="37FAEAB09B066375FB310FBEFAE0487A" box="[1199,1323,1780,1805]" italics="true" pageId="1" pageNumber="58">A. grandis</emphasis>
Kensley &amp; Chan
</taxonomicName>
, both from
<collectingCountry id="7D9976329B066375FDCB0E56FD644841" box="[597,687,1820,1846]" name="Taiwan" pageId="1" pageNumber="58">Taiwan</collectingCountry>
.
</paragraph>
<paragraph id="053136A29B066376FEA60E0EFD3D4E89" blockId="1.[264,1323,1420,1886]" lastBlockId="2.[264,1325,284,950]" lastPageId="2" lastPageNumber="59" pageId="1" pageNumber="58">
<bibRefCitation id="611F4B539B066375FEA60E0EFDCB4829" author="Ngoc-Ho" box="[312,512,1860,1886]" pageId="1" pageNumber="68" refString="Ngoc-Ho, N. (2005) Thalassinidea (Crustacea, Decapoda) from French Polynesia. Zoosystema, 27 (1), 47 - 83." type="journal article" year="2005">Ngoc­Ho (2005)</bibRefCitation>
, describing a specimen of
<taxonomicName id="C28E4D219B066375FCDD0E0EFB234829" authority="Rathbun, 1906" authorityName="Rathbun" authorityYear="1906" box="[835,1256,1860,1886]" class="Malacostraca" family="Axiidae" genus="Axius" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="58" phylum="Arthropoda" rank="species" species="spinosissimus">
<emphasis id="37FAEAB09B066375FCDD0E0EFBE4482A" box="[835,1071,1860,1885]" italics="true" pageId="1" pageNumber="58">Axius spinosissimus</emphasis>
Rathbun, 1906
</taxonomicName>
from
<collectingCountry id="7D9976329B056376FE960856FE124E41" box="[264,473,284,310]" name="French Polynesia" pageId="2" pageNumber="59">French Polynesia</collectingCountry>
, agreed with
<bibRefCitation id="611F4B539B056376FD1F0856FCF14E41" author="Kensley" box="[641,826,284,310]" pageId="2" pageNumber="68" refString="Kensley, B. (1996) A new species of the axiid shrimp genus Acanthaxius from the Caribbean (Crustacea: Decapoda: Thalassinidea). Proceedings of the Biological Society of Washington, 109 (1), 70 - 74." type="journal article" year="1996">Kensley (1996)</bibRefCitation>
that although this species was placed in
<taxonomicName id="C28E4D219B056376FE96080EFE524E2A" box="[264,409,324,349]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="59" phylum="Arthropoda" rank="genus">
<emphasis id="37FAEAB09B056376FE96080EFE524E2A" box="[264,409,324,349]" italics="true" pageId="2" pageNumber="59">Acanthaxius</emphasis>
</taxonomicName>
by Sakai &amp; de
<bibRefCitation id="611F4B539B056376FDC9080EFC994E29" box="[599,850,324,350]" pageId="2" pageNumber="68" refString="Sakai, K. &amp; de Saint Laurent, M. (1989) A check list of Axiidae (Decapoda, Crustacea, Thalassinidea, Anomura), with remarks and in addition descriptions of one new subfamily, eleven new genera and two new species. Naturalists, 3, 1 - 104." type="journal article">Saint Laurent (1989)</bibRefCitation>
, it did not fit the generic definition and should logically be assigned to a new genus. Nevertheless, as it comprised only three specimens including the
<typeStatus id="DA3588009B056376FDDE08DEFD614ED9" box="[576,682,404,430]" pageId="2" pageNumber="59" type="holotype">holotype</typeStatus>
, all damaged, it seemed undesirable to establish a monotypic taxon on a material in such poor condition. The species was provisionally retained in
<taxonomicName id="C28E4D219B056376FE1208AEFDD64E8A" box="[396,541,484,509]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="59" phylum="Arthropoda" rank="genus">
<emphasis id="37FAEAB09B056376FE1208AEFDD64E8A" box="[396,541,484,509]" italics="true" pageId="2" pageNumber="59">Acanthaxius</emphasis>
</taxonomicName>
(
<bibRefCitation id="611F4B539B056376FDB208AEFD214E89" author="Ngoc-Ho" box="[556,746,484,510]" pageId="2" pageNumber="68" refString="Ngoc-Ho, N. (2005) Thalassinidea (Crustacea, Decapoda) from French Polynesia. Zoosystema, 27 (1), 47 - 83." type="journal article" year="2005">Ngoc­Ho, 2005</bibRefCitation>
).
</paragraph>
<paragraph id="053136A29B056376FEA60B46FC2B4D99" blockId="2.[264,1325,284,950]" pageId="2" pageNumber="59">
According to
<bibRefCitation id="611F4B539B056376FE450B46FD5E4D51" author="Kensley" box="[475,661,524,550]" pageId="2" pageNumber="68" refString="Kensley, B. (1996) A new species of the axiid shrimp genus Acanthaxius from the Caribbean (Crustacea: Decapoda: Thalassinidea). Proceedings of the Biological Society of Washington, 109 (1), 70 - 74." type="journal article" year="1996">Kensley (1996)</bibRefCitation>
, the advanced characters of the genus are the relatively slender and dentate rostrum, with its basal pair of spines in a supraorbital position; the form of the pereopod 1 chela, and especially that of the small pereopod 1, with slender dentate fingers being 1.52.0 times longer than the propodal palm; the presence of spines on the upper margins of the dactylus and propodus of the pereopod 1 chela; the absence of pleurobranchs; and the presence of epipods on pereopods 14.
</paragraph>
<paragraph id="053136A29B056376FEA60BB6FDE54CC1" blockId="2.[264,1325,284,950]" pageId="2" pageNumber="59">
The new species studied agree well with this scheme except for the fingers of the pereopod
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<taxonomicName id="C28E4D219B056376FE260A6EFD844C4A" box="[440,591,804,829]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="59" phylum="Arthropoda" rank="species" species="gadaletae" status="sp. nov.">
<emphasis id="37FAEAB09B056376FE260A6EFD844C4A" box="[440,591,804,829]" italics="true" pageId="2" pageNumber="59">A. gadaletae</emphasis>
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<emphasis id="37FAEAB09B056376FDC60A6EFD564C49" bold="true" box="[600,669,804,830]" pageId="2" pageNumber="59">n. sp.</emphasis>
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being only about 1.21.3 longer than the palm. It can also be noted that all known
<taxonomicName id="C28E4D219B056376FDF60A06FD324C12" box="[616,761,844,869]" class="Malacostraca" family="Axiidae" genus="Acanthaxius" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="59" phylum="Arthropoda" rank="genus">
<emphasis id="37FAEAB09B056376FDF60A06FD324C12" box="[616,761,844,869]" italics="true" pageId="2" pageNumber="59">Acanthaxius</emphasis>
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species have a slender and incurved tip of the antennal article 2, as pointed out by Sakai &amp; de
<bibRefCitation id="611F4B539B056376FCFF0A3EFBAB4CF9" box="[865,1120,884,910]" pageId="2" pageNumber="68" refString="Sakai, K. &amp; de Saint Laurent, M. (1989) A check list of Axiidae (Decapoda, Crustacea, Thalassinidea, Anomura), with remarks and in addition descriptions of one new subfamily, eleven new genera and two new species. Naturalists, 3, 1 - 104." type="journal article">Saint Laurent (1989)</bibRefCitation>
, which could be considered as diagnostic.
</paragraph>
</subSubSection>
</treatment>
</document>