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<mods:title id="6534011766E5454AB29C746B2F8C4D21">The lophogastrids (Crustacea: Peracarida: Lophogastrida) of Indonesia and its adjacent waters. An updated checklist</mods:title>
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<mods:namePart id="606C14C56A83F1FC6CB575BF0719145F">Lheknim, Vachira</mods:namePart>
<mods:affiliation id="E4AE3EDB0682B1F01689A5417FB245A0">Division of Biological Science, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand &amp; Department of Earth Science and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia &amp; Marine Ecosystem Research Centre (EKOMAR), Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia</mods:affiliation>
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<paragraph id="8BFA369EFA0F3840FF7BA576FC0D960E" blockId="4.[151,919,1589,1616]" box="[151,919,1589,1616]" pageId="4" pageNumber="417">
<heading id="D0B281F2FA0F3840FF7BA576FC0D960E" bold="true" box="[151,919,1589,1616]" fontSize="11" level="1" pageId="4" pageNumber="417" reason="1">
<taxonomicName id="4C454D1DFA0F3840FF7BA576FC0D960E" ID-CoL="7WN4T" authority="Birstein and Chindonova, 1962" authorityName="Birstein and Chindonova" authorityYear="1962" box="[151,919,1589,1616]" class="Malacostraca" family="Lophogastridae" genus="Pseudochalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="4" pageNumber="417" phylum="Arthropoda" rank="species" species="hanseni">
<emphasis id="B931EA8CFA0F3840FF7BA576FC0D960E" bold="true" box="[151,919,1589,1616]" pageId="4" pageNumber="417">
<emphasis id="B931EA8CFA0F3840FF7BA576FD919611" bold="true" box="[151,523,1589,1616]" italics="true" pageId="4" pageNumber="417">Pseudochalaraspidum hanseni</emphasis>
Birstein and Chindonova, 1962
</emphasis>
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</heading>
</paragraph>
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<emphasis id="B931EA8CFA0F3840FF7BA53EFEAA96D6" bold="true" box="[151,304,1661,1687]" pageId="4" pageNumber="417">Record from</emphasis>
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.
</emphasis>
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part of
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,
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.
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range:
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(
<bibRefCitation id="EFD44B6FFA0F3840FB99A53EFB6A96D6" author="Fage, L." box="[1141,1264,1661,1687]" pageId="4" pageNumber="417" pagination="1 - 52" refId="ref6807" refString="Fage, L. (1941) Mysidacea Lophogastrida I. The Carlsberg Foundation's oceanographical expedition round the world 1928 - 30 and previous &quot; Dana &quot; - expeditions. Copenhagen and London, C. A. Reitzels Forlag and Oxford University Press. Dana Reports, 19, 1 - 52." type="journal article" year="1941">Fage 1941</bibRefCitation>
)
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.
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<emphasis id="B931EA8CFA0F3840FF2BA5E2FEA196FA" bold="true" box="[199,315,1697,1723]" pageId="4" pageNumber="417">Remarks.</emphasis>
<taxonomicName id="4C454D1DFA0F3840FEA1A5E2FBD896FA" authority="Birstein and Chindonova, 1962" authorityName="Birstein and Chindonova" authorityYear="1962" box="[333,1090,1697,1723]" class="Malacostraca" family="Lophogastridae" genus="Pseudochalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="4" pageNumber="417" phylum="Arthropoda" rank="species" species="hanseni">
<emphasis id="B931EA8CFA0F3840FEA1A5E2FD2B96FA" box="[333,689,1697,1723]" italics="true" pageId="4" pageNumber="417">Pseudochalaraspidum hanseni</emphasis>
Birstein and Chindonova, 1962
</taxonomicName>
and
<taxonomicName id="4C454D1DFA0F3840FB62A5E2FE30969E" authority="(Willemoes-Suhm 1876)" baseAuthorityName="Willemoes-Suhm" baseAuthorityYear="1876" class="Malacostraca" family="Lophogastridae" genus="Chalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="4" pageNumber="417" phylum="Arthropoda" rank="species" species="alatum">
<emphasis id="B931EA8CFA0F3840FB62A5E2FA0696FA" box="[1166,1436,1697,1723]" italics="true" pageId="4" pageNumber="417">Chalaraspidum alatum</emphasis>
(Willemoes-Suhm 1876)
</taxonomicName>
belong to two monotypic genera that have a confused history as detailed by W.M.
<bibRefCitation id="EFD44B6FFA0F3840FAD8A586FF789745" author="Tattersall, W. M. &amp; Tattersall, O. S." pageId="4" pageNumber="417" refId="ref8869" refString="Tattersall, W. M. &amp; Tattersall, O. S. (1951) The British Mysidacea. Ray Society, London, 460 pp." type="book" year="1951">Tattersall (1951)</bibRefCitation>
and
<bibRefCitation id="EFD44B6FFA0F3840FEF0A5AAFE5F9742" author="Richter, S." box="[284,453,1769,1795]" pageId="4" pageNumber="417" pagination="2773 - 2786" refId="ref8107" refString="Richter, S. (2003) The mouthparts of two lophogastrids, Chalaraspidum alatum and Pseudochalaraspidum hanseni (Lophogastrida, Peracarida, Malacostraca), including some remarks on the monophyly of the Lophogastrida. Journal of Natural History, 37 (23), 2773 - 2786. https: // doi. org / 10.1080 / 0022293021000007417" type="journal article" year="2003">Richter (2003)</bibRefCitation>
. Willemoes-Suhm (1874) briefly described the latter species in 1874 from a specimen collected by the Challenger Expedition in the southern Indian Ocean. The specimen had been lost by the time G.O. Sars, in 1885, described the species in more detail based on notes and illustrations found in the papers of R. Willemoes-Suhm after his death. Both
<bibRefCitation id="EFD44B6FFA0F3840FDA2A415FD6F972E" author="Hansen, H. J." box="[590,757,1877,1904]" pageId="4" pageNumber="417" pagination="175 - 296" refId="ref7287" refString="Hansen, H. J. (1912) Reports on the scientific results of the expedition to the eastern tropical Pacific by the U. S. Fish Commission Steamer Albatross: The Schizopoda. Memoirs of the Museum of Comparative Anatomy at Harvard College, 35, 175 - 296." type="journal article" year="1912">Hansen (1912)</bibRefCitation>
and
<bibRefCitation id="EFD44B6FFA0F3840FCC1A415FC35972E" author="Fage, L." box="[813,943,1877,1904]" pageId="4" pageNumber="417" pagination="68 - 76" refId="ref6725" refString="Fage, L. (1939) A propos d'un mysidace bathypelagique peu connu: Chalaraspis alata G. O Sars (Willemoes-Suhm in lit). Archives de Zoologie experimentale et Generale (Notes et revue), 80, 68 - 76." type="journal article" year="1939">Fage (1939</bibRefCitation>
,
<bibRefCitation id="EFD44B6FFA0F3840FC57A416FC6E972E" author="Fage, L." box="[955,1012,1877,1903]" pageId="4" pageNumber="417" pagination="1 - 52" refId="ref6807" refString="Fage, L. (1941) Mysidacea Lophogastrida I. The Carlsberg Foundation's oceanographical expedition round the world 1928 - 30 and previous &quot; Dana &quot; - expeditions. Copenhagen and London, C. A. Reitzels Forlag and Oxford University Press. Dana Reports, 19, 1 - 52." type="journal article" year="1941">1941</bibRefCitation>
) examined small numbers (all males) of specimens from the “Albatross” and “Dana” expeditions, respectively, and identified them as
<taxonomicName id="4C454D1DFA0F3840FB02A43AFF7F97F6" baseAuthorityName="Willemoes-Suhm" baseAuthorityYear="1876" class="Malacostraca" family="Lophogastridae" genus="Chalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="4" pageNumber="417" phylum="Arthropoda" rank="species" species="alatum">
<emphasis id="B931EA8CFA0F3840FB02A43AFF7F97F6" italics="true" pageId="4" pageNumber="417">Chalaraspidum alatum</emphasis>
</taxonomicName>
. W.M.
<bibRefCitation id="EFD44B6FFA0F3840FED2A4DEFE6197F9" author="Tattersall, W. M. &amp; Tattersall, O. S." box="[318,507,1949,1976]" pageId="4" pageNumber="417" refId="ref8869" refString="Tattersall, W. M. &amp; Tattersall, O. S. (1951) The British Mysidacea. Ray Society, London, 460 pp." type="book" year="1951">Tattersall (1951)</bibRefCitation>
examined
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(all immatures) from the “Albatross” expedition and concluded that the
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from
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were the true
<taxonomicName id="4C454D1DFA0F3840FCB1A482FBF9979A" baseAuthorityName="Willemoes-Suhm" baseAuthorityYear="1876" box="[861,1123,1985,2011]" class="Malacostraca" family="Lophogastridae" genus="Chalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="4" pageNumber="417" phylum="Arthropoda" rank="species" species="alatum">
<emphasis id="B931EA8CFA0F3840FCB1A482FBF9979A" box="[861,1123,1985,2011]" italics="true" pageId="4" pageNumber="417">Chalaraspidum alatum</emphasis>
</taxonomicName>
, but the third, from off the coast of California, agreed closely with the descriptions of
<bibRefCitation id="EFD44B6FFA0E3841FCD8A3D4FC4190F0" author="Hansen, H. J." box="[820,987,151,177]" pageId="5" pageNumber="418" pagination="175 - 296" refId="ref7287" refString="Hansen, H. J. (1912) Reports on the scientific results of the expedition to the eastern tropical Pacific by the U. S. Fish Commission Steamer Albatross: The Schizopoda. Memoirs of the Museum of Comparative Anatomy at Harvard College, 35, 175 - 296." type="journal article" year="1912">Hansen (1912)</bibRefCitation>
and
<bibRefCitation id="EFD44B6FFA0E3841FBFFA3D4FB0C90F0" author="Fage, L." box="[1043,1174,151,177]" pageId="5" pageNumber="418" pagination="68 - 76" refId="ref6725" refString="Fage, L. (1939) A propos d'un mysidace bathypelagique peu connu: Chalaraspis alata G. O Sars (Willemoes-Suhm in lit). Archives de Zoologie experimentale et Generale (Notes et revue), 80, 68 - 76." type="journal article" year="1939">Fage (1939</bibRefCitation>
,
<bibRefCitation id="EFD44B6FFA0E3841FB4EA3D4FB4190F0" author="Fage, L." box="[1186,1243,151,177]" pageId="5" pageNumber="418" pagination="1 - 52" refId="ref6807" refString="Fage, L. (1941) Mysidacea Lophogastrida I. The Carlsberg Foundation's oceanographical expedition round the world 1928 - 30 and previous &quot; Dana &quot; - expeditions. Copenhagen and London, C. A. Reitzels Forlag and Oxford University Press. Dana Reports, 19, 1 - 52." type="journal article" year="1941">1941</bibRefCitation>
) and represented a different species. However, he declined to describe a new species.
<bibRefCitation id="EFD44B6FFA0E3841FC49A3F8FBD39094" author="Banner, A. H." box="[933,1097,186,213]" pageId="5" pageNumber="418" pagination="1 - 48" refId="ref6012" refString="Banner, A. H. (1954) Some ' schizopod' crustaceans from the deeper water off California. Allan Hancock foundation Publications of the University of Southern California. Occasional Paper, 13, 1 - 48." type="journal article" year="1954">Banner (1954)</bibRefCitation>
made the same decision after examining
<specimenCount id="9D43FD17FA0E3841FEFAA39CFE2390B8" box="[278,441,223,249]" pageId="5" pageNumber="418" type="immature">four immature</specimenCount>
specimens collected from the Hancock Foundation surveys in
<collectingRegion id="4981F87CFA0E3841FB65A39CFAA390B8" box="[1161,1337,223,249]" country="Mexico" name="Baja California" pageId="5" pageNumber="418">Baja California</collectingRegion>
,
<collectingCountry id="F352760EFA0E3841FAABA39CFA0790B8" box="[1351,1437,223,249]" name="Mexico" pageId="5" pageNumber="418">Mexico</collectingCountry>
although the specimens agreed closely with the descriptions of Hansen and Fage.
</paragraph>
<paragraph id="8BFA369EFA0E3841FF2BA264FDD29258" blockId="5.[151,1437,151,825]" pageId="5" pageNumber="418">
In 1958, Birstein and Tchindonova concluded that the species described by H.J. Hansen and L. Fage was the same as the original Challenger specimen and different from Tattersalls two Japanese specimens and the
<specimenCount id="9D43FD17FA0E3841FB1EA208FA079124" box="[1266,1437,331,357]" pageId="5" pageNumber="418" type="generic">four specimens</specimenCount>
they collected from the Northwest Pacific. They proposed that these latter
<specimenCount id="9D43FD17FA0E3841FC3DA22CFBF791C8" box="[977,1133,367,393]" pageId="5" pageNumber="418" type="generic">six specimens</specimenCount>
belonged to a new species,
<taxonomicName id="4C454D1DFA0E3841FF7BA2D0FE0591ED" authorityName="Birstein &amp; Tchindonova" authorityYear="1958" box="[151,415,403,429]" class="Malacostraca" family="Lophogastridae" genus="Parachalaraspis" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="vitjazi">
<emphasis id="B931EA8CFA0E3841FF7BA2D0FE0591ED" box="[151,415,403,429]" italics="true" pageId="5" pageNumber="418">Parachalaraspis vitjazi</emphasis>
</taxonomicName>
. Later,
<bibRefCitation id="EFD44B6FFA0E3841FE17A2D0FCEE91EC" author="Birstein, J. A. &amp; Tchindonova, J. G." box="[507,884,403,429]" pageId="5" pageNumber="418" pagination="58 - 68" refId="ref6105" refString="Birstein, J. A. &amp; Tchindonova, J. G. (1962) Mysidacea collected by the Soviet Antarctic Expedition on the M / V &quot; Ob &quot;. Rezul'taty biologicheskikh issledovanii Sovetskoi antarkticheskoi ekspeditsii, 1955 - 1958 (Biological reports of the Soviet Antarctic Expedition, 1955 - 1958), 1, 58 - 68." type="journal article" year="1962">Birstein and Tchindonova (1962)</bibRefCitation>
reconsidered their opinion and proposed that
<taxonomicName id="4C454D1DFA0E3841FA64A2D0FF419191" authorityName="Birstein &amp; Tchindonova" authorityYear="1958" class="Malacostraca" family="Lophogastridae" genus="Parachalaraspis" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="vitjazi">
<emphasis id="B931EA8CFA0E3841FA64A2D0FF419191" italics="true" pageId="5" pageNumber="418">P. vitjazi</emphasis>
</taxonomicName>
and the species described by Willemoes-Suhm were the same species, namely
<emphasis id="B931EA8CFA0E3841FB83A2F4FAE69190" box="[1135,1404,439,465]" italics="true" pageId="5" pageNumber="418">
<taxonomicName id="4C454D1DFA0E3841FB83A2F4FAE29190" baseAuthorityName="Willemoes-Suhm" baseAuthorityYear="1876" box="[1135,1400,439,465]" class="Malacostraca" family="Lophogastridae" genus="Chalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="alatum">Chalaraspidum alatum</taxonomicName>
.
</emphasis>
In the same paper, they proposed the name
<taxonomicName id="4C454D1DFA0E3841FD8CA298FC2291B4" authorityName="Birstein and Chindonova" authorityYear="1962" box="[608,952,475,501]" class="Malacostraca" family="Lophogastridae" genus="Pseudochalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="hanseni">
<emphasis id="B931EA8CFA0E3841FD8CA298FC2291B4" box="[608,952,475,501]" italics="true" pageId="5" pageNumber="418">Pseudochalaraspidum hanseni</emphasis>
</taxonomicName>
for the “Albatross” and “Dana” specimens described by H.J. Hansen and L. Fage.
</paragraph>
<paragraph id="8BFA369EFA0E3841FF2BA160FC949378" blockId="5.[151,1437,151,825]" pageId="5" pageNumber="418">
<taxonomicName id="4C454D1DFA0E3841FF2BA160FDBA927C" authorityName="Birstein and Chindonova" authorityYear="1962" box="[199,544,547,573]" class="Malacostraca" family="Lophogastridae" genus="Pseudochalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="hanseni">
<emphasis id="B931EA8CFA0E3841FF2BA160FDBA927C" box="[199,544,547,573]" italics="true" pageId="5" pageNumber="418">Pseudochalaraspidum hanseni</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName id="4C454D1DFA0E3841FCBDA160FBCE927C" baseAuthorityName="Willemoes-Suhm" baseAuthorityYear="1876" box="[849,1108,547,573]" class="Malacostraca" family="Lophogastridae" genus="Chalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="alatum">
<emphasis id="B931EA8CFA0E3841FCBDA160FBCE927C" box="[849,1108,547,573]" italics="true" pageId="5" pageNumber="418">Chalaraspidum alatum</emphasis>
</taxonomicName>
as follows: in
<taxonomicName id="4C454D1DFA0E3841FB15A160FAF6927C" authorityName="Birstein and Chindonova" authorityYear="1962" box="[1273,1388,547,573]" class="Malacostraca" family="Lophogastridae" genus="Pseudochalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="hanseni">
<emphasis id="B931EA8CFA0E3841FB15A160FAF6927C" box="[1273,1388,547,573]" italics="true" pageId="5" pageNumber="418">P. hanseni</emphasis>
</taxonomicName>
, the outer margin of the antennal scale has 912 teeth, the frontal margin of the carapace is convex and may be without or with minute serrations, the epimera of the last abdominal somite has two distinct and pointed projections, the mandible has a reduced molar process and the palp of the second maxilla has one article with three setae. For
<taxonomicName id="4C454D1DFA0E3841FA6FA1CCFF7F928C" baseAuthorityName="Willemoes-Suhm" baseAuthorityYear="1876" class="Malacostraca" family="Lophogastridae" genus="Chalaraspidum" kingdom="Animalia" order="Lophogastrida" pageId="5" pageNumber="418" phylum="Arthropoda" rank="species" species="alatum">
<emphasis id="B931EA8CFA0E3841FA6FA1CCFA0C92E8" box="[1411,1430,655,681]" italics="true" pageId="5" pageNumber="418">C</emphasis>
.
<emphasis id="B931EA8CFA0E3841FF7BA1F0FF7F928C" box="[151,229,691,717]" italics="true" pageId="5" pageNumber="418">alatum</emphasis>
</taxonomicName>
, the outer margin of the antennal scale is armed with 24 teeth, the frontal margin of the carapace is serrated and concave, the epimera of the last abdominal somite at the middle part is armed with one small projection, the mandible has a well-developed molar process and the palp of the second maxilla is divided into two articles and bears several setae on the distal segment (
<bibRefCitation id="EFD44B6FFA0E3841FD86A05CFC999378" author="Richter, S." box="[618,771,799,825]" pageId="5" pageNumber="418" pagination="2773 - 2786" refId="ref8107" refString="Richter, S. (2003) The mouthparts of two lophogastrids, Chalaraspidum alatum and Pseudochalaraspidum hanseni (Lophogastrida, Peracarida, Malacostraca), including some remarks on the monophyly of the Lophogastrida. Journal of Natural History, 37 (23), 2773 - 2786. https: // doi. org / 10.1080 / 0022293021000007417" type="journal article" year="2003">Richter 2003</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>