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<mods:title id="3E92050267FB1004C9B6BF4F09ABC562">Taxonomic review of Ophiothrix Müller &amp; Troschel, 1840 (Echinodermata Ophiuroidea) from Brazil, with the description of four new species</mods:title>
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<mods:namePart id="B01EBC2DAB0812A01AEA7CD301578607">Santana, Alisson</mods:namePart>
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<emphasis id="709F952AFFB4066AFF5CEF067AC2F87A" bold="true" box="[151,396,801,828]" italics="true" pageId="16" pageNumber="67">Ophiothrix troscheli</emphasis>
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(
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,
<figureCitation id="DAD055BDFFB4066AFEC2EF627A6BF819" box="[265,293,837,863]" captionStart="FIGURE 13" captionStartId="18.[151,250,1534,1559]" captionTargetBox="[152,1435,741,1509]" captionTargetId="figure@18.[152,1435,741,1509]" captionTargetPageId="18" captionText="FIGURE 13. SEM photographs of vertebrae and arm spines of Ophiothrix troscheli n. sp.: A, proximal surface; B, distal surface; C, dorsal surface; D, ventral surface; E, lateral arm plate; f, arm spine (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: AF = 200 μm." figureDoi="http://doi.org/10.5281/zenodo.3927928" httpUri="https://zenodo.org/record/3927928/files/figure.png" pageId="16" pageNumber="67">13</figureCitation>
)
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<emphasis id="709F952AFFB4066AFF5CEF8A7A2AF883" box="[151,356,941,965]" italics="true" pageId="16" pageNumber="67">Ophiothrix rathbuni</emphasis>
:
<bibRefCitation id="267A34C9FFB4066AFEBAEF89791DF880" author="Borges, M. &amp; Monteiro, A. M. G. &amp; Amaral, A. C. Z." box="[369,595,941,966]" pageId="16" pageNumber="67" pagination="1 - 69" refId="ref13631" refString="Borges, M., Monteiro, A. M. G. &amp; Amaral, A. C. Z. (2002) Taxonomy of Ophiuroidea (Echinodermata) from the continental shelf and slope of the southern and southeastern Brazilian coast. Biota Neotropica, 2 (2), 1 - 69. https: // doi. org / 10.1590 / S 1676 - 06032002000200010" type="journal article" year="2002">
Borges
<emphasis id="709F952AFFB4066AFE74EF897AA2F883" box="[447,492,941,965]" italics="true" pageId="16" pageNumber="67">et al</emphasis>
. 2002: 63
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, fig. 35ab. [
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<taxonomicName id="85EB32BBFFB4066AFF5CEFEB79DEF8A2" authority=": Borges et al. 2015: 376 - 377" authorityName="Borges" authorityPageNumber="376 - 377" authorityYear="2015" box="[151,656,971,996]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="16" pageNumber="67" phylum="Echinodermata" rank="species" species="rathbuni">
<emphasis id="709F952AFFB4066AFF5CEFEB7A2AF8A2" box="[151,356,972,996]" italics="true" pageId="16" pageNumber="67">Ophiothrix rathbuni</emphasis>
:
<bibRefCitation id="267A34C9FFB4066AFEBAEFEB79DEF8A2" author="Borges, M. &amp; Allito, R. &amp; Amaral, A. C. Z." box="[369,656,971,996]" pageId="16" pageNumber="67" pagination="361 - 381" refId="ref13701" refString="Borges, M., Allito, R. &amp; Amaral, A. C. Z. (2015) From baby to adult: ontogenetic series of nine species of Ophiuroidea from the Atlantic Southwestern. Revista de Biologia Tropical, 63, 361 - 381." type="journal article" year="2015">
Borges
<emphasis id="709F952AFFB4066AFE74EFEA7ABCF8A2" box="[447,498,972,996]" italics="true" pageId="16" pageNumber="67">et al.</emphasis>
2015: 376377
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(in part), figs. 34ab. [
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Not
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<emphasis id="709F952AFFB4066AFF0FEFCC7ADEFF45" box="[196,400,1003,1027]" italics="true" pageId="16" pageNumber="67">Ophiothrix rathbuni</emphasis>
<bibRefCitation id="267A34C9FFB4066AFE5CEFCD7929FF45" author="Ludwig, H." box="[407,615,1002,1027]" pageId="16" pageNumber="67" pagination="1 - 26" refId="ref14845" refString="Ludwig, H. (1882) Verzeichnis der von Prof. E. van Beneden an der Kuste von Brazilien gesammelten Echinodermen. Memoires des concours et des savants etrangers / Academie Royale de Medecine de Belgique, 44 (20), 1 - 26." type="journal article" year="1882">Ludwig, 1882: 126</bibRefCitation>
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<materialsCitation id="F2834365FFB4066AFA8BE8727F81FFD5" collectionCode="MZUSP" collectorName="A. C. Z. Amaral" country="Brazil" elevation="168" latitude="-25.183332" location="Sao Paulo" longLatPrecision="1247" longitude="-44.95" pageId="16" pageNumber="67" specimenCode="MZUSP 01521" specimenCount="1" stateProvince="Sao Paulo" typeStatus="paratype">
<specimenCode id="124DE143FFB4066AFA8BE8727B93FFD5" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="16" pageNumber="67">MZUSP 01521</specimenCode>
(01 specimen),
<collectingRegion id="802F87DAFFB4066AFE5AE85E794BFFD5" box="[401,517,1145,1171]" country="Brazil" name="Sao Paulo" pageId="16" pageNumber="67">São Paulo</collectingRegion>
,
<collectingCountry id="3AFC09A8FFB4066AFDDBE85E7919FFD5" box="[528,599,1145,1171]" name="Brazil" pageId="16" pageNumber="67">Brazil</collectingCountry>
,
<geoCoordinate id="27DF2FFFFFB4066AFDA9E85F79F3FFD5" box="[610,701,1144,1171]" degrees="25" direction="south" minutes="11" orientation="latitude" pageId="16" pageNumber="67" precision="925" value="-25.183332">25º11S</geoCoordinate>
;
<geoCoordinate id="27DF2FFFFFB4066AFD02E85F7860FFD5" box="[713,814,1144,1171]" degrees="44" direction="west" minutes="57" orientation="longitude" pageId="16" pageNumber="67" precision="925" value="-44.95">44º57W</geoCoordinate>
,
<quantity id="8513E4DDFFB4066AFCF2E85E78CFFFD5" box="[825,897,1145,1171]" metricMagnitude="2" metricUnit="m" metricValue="1.68" pageId="16" pageNumber="67" unit="m" value="168.0">
<elevation id="C9C6AE0BFFB4066AFCF2E85E78CFFFD5" box="[825,897,1145,1171]" metricMagnitude="2" metricUnit="m" metricValue="1.68" pageId="16" pageNumber="67" unit="m" value="168.0">168 m</elevation>
</quantity>
, coll. 2000 by
<collectorName id="EF1E2CEEFFB4066AFBEEE85E7F81FFD5" box="[1061,1231,1145,1171]" pageId="16" pageNumber="67">A.C.Z. Amaral</collectorName>
</materialsCitation>
.
<emphasis id="709F952AFFB4066AFB12E85F7B93FFF1" bold="true" pageId="16" pageNumber="67">
<emphasis id="709F952AFFB4066AFB12E85F7B9AFFF1" bold="true" italics="true" pageId="16" pageNumber="67">Additional specimens</emphasis>
:
</emphasis>
<materialsCitation id="F2834365FFB4066AFF2CE8BA7E76FFF1" box="[231,1336,1180,1208]" collectionCode="MZUSP" country="Brazil" latitude="-20.5" location="Ilha Trindade" longLatPrecision="1267" longitude="-29.3" pageId="16" pageNumber="67" specimenCount="1" stateProvince="Espirito Santo">
<collectionCode id="24FAD1FDFFB4066AFF2CE8BA7A0DFFF1" box="[231,323,1181,1207]" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="16" pageNumber="67">MZUSP</collectionCode>
(01 specimen) 02975,
<location id="47341FE3FFB4066AFD99E8BA79A0FFF1" LSID="urn:lsid:plazi:treatment:CA42F82EFFB40668FF5CEF067FDFF996:47341FE3FFB4066AFD99E8BA79A0FFF1" box="[594,750,1181,1207]" country="Brazil" latitude="-20.5" longLatPrecision="1267" longitude="-29.3" name="Ilha Trindade" pageId="16" pageNumber="67" stateProvince="Espirito Santo">Ilha Trindade</location>
,
<collectingRegion id="802F87DAFFB4066AFD36E8BA78EDFFF1" box="[765,931,1181,1207]" country="Brazil" name="Espirito Santo" pageId="16" pageNumber="67">Espírito Santo</collectingRegion>
,
<collectingCountry id="3AFC09A8FFB4066AFC7AE8BA78B6FFF1" box="[945,1016,1181,1207]" name="Brazil" pageId="16" pageNumber="67">Brazil</collectingCountry>
,
<geoCoordinate id="27DF2FFFFFB4066AFBCDE8BA7F2AFFF1" box="[1030,1124,1181,1207]" degrees="20" direction="south" minutes="30" orientation="latitude" pageId="16" pageNumber="67" precision="925" value="-20.5">20°30S</geoCoordinate>
,
<geoCoordinate id="27DF2FFFFFB4066AFBBFE8BA7F95FFF1" box="[1140,1243,1181,1207]" degrees="29" direction="west" minutes="18" orientation="longitude" pageId="16" pageNumber="67" precision="925" value="-29.3">29°18W</geoCoordinate>
, coll. L
</materialsCitation>
.
<materialsCitation id="F2834365FFB4066AFAF7E8BA7B81FF9D" collectionCode="R" country="Brazil" location="Tommasi" pageId="16" pageNumber="67" specimenCount="1" stateProvince="Espirito Santo">
<collectionCode id="24FAD1FDFFB4066AFAF7E8BA7E1CFFF1" box="[1340,1362,1181,1207]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="16" pageNumber="67">R</collectionCode>
.
<location id="47341FE3FFB4066AFAABE8BA7B81FF9D" LSID="urn:lsid:plazi:treatment:CA42F82EFFB40668FF5CEF067FDFF996:47341FE3FFB4066AFAABE8BA7B81FF9D" country="Brazil" name="Tommasi" pageId="16" pageNumber="67" stateProvince="Espirito Santo">Tommasi</location>
</materialsCitation>
;
<materialsCitation id="F2834365FFB4066AFF16E8E67976FF9A" box="[221,568,1216,1244]" collectionCode="MZUSP" country="Brazil" pageId="16" pageNumber="67" specimenCode="MZUSP 01544" specimenCount="1" stateProvince="Espirito Santo">
<specimenCode id="124DE143FFB4066AFF16E8E67AC7FF9D" box="[221,393,1216,1243]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="16" pageNumber="67">MZUSP 01544</specimenCode>
(01 specimen)
</materialsCitation>
,
<materialsCitation id="F2834365FFB4066AFD8EE8E67A89FFB9" collectingDate="1955" collectingDateMax="1957" collectingDateMin="1955" collectionCode="MZUSP" country="Brazil" latitude="-22.816668" location="Cabo Frio" longLatPrecision="1258" longitude="-41.966667" pageId="16" pageNumber="67" specimenCode="MZUSP 02976" specimenCount="1" stateProvince="Rio de Janeiro">
<specimenCode id="124DE143FFB4066AFD8EE8E679BEFF9D" box="[581,752,1217,1243]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="16" pageNumber="67">MZUSP 02976</specimenCode>
(01 specimen),
<location id="47341FE3FFB4066AFC67E8E67F6CFF9D" LSID="urn:lsid:plazi:treatment:CA42F82EFFB40668FF5CEF067FDFF996:47341FE3FFB4066AFC67E8E67F6CFF9D" box="[940,1058,1217,1243]" country="Brazil" latitude="-22.816668" longLatPrecision="1258" longitude="-41.966667" name="Cabo Frio" pageId="16" pageNumber="67" stateProvince="Rio de Janeiro">Cabo Frio</location>
,
<collectingRegion id="802F87DAFFB4066AFBFBE8E67F94FF9D" box="[1072,1242,1217,1243]" country="Brazil" name="Rio de Janeiro" pageId="16" pageNumber="67">Rio de Janeiro</collectingRegion>
,
<collectingCountry id="3AFC09A8FFB4066AFB2CE8E67E60FF9D" box="[1255,1326,1217,1243]" name="Brazil" pageId="16" pageNumber="67">Brazil</collectingCountry>
,
<geoCoordinate id="27DF2FFFFFB4066AFAF7E8E67ED6FF9D" box="[1340,1432,1217,1243]" degrees="22" direction="south" minutes="49" orientation="latitude" pageId="16" pageNumber="67" precision="925" value="-22.816668">22º49S</geoCoordinate>
,
<geoCoordinate id="27DF2FFFFFB4066AFF5CE8C37BB2FFB9" box="[151,252,1252,1279]" degrees="41" direction="west" minutes="58" orientation="longitude" pageId="16" pageNumber="67" precision="925" value="-41.966667">41º58W</geoCoordinate>
, coll.
<date id="36556FF8FFB4066AFE8DE8C37A89FFB9" box="[326,455,1252,1279]" pageId="16" pageNumber="67" value="1955" valueMax="1957">
<collectingDate id="26119610FFB4066AFE8DE8C37A89FFB9" box="[326,455,1252,1279]" pageId="16" pageNumber="67" value="1955" valueMax="1957">19551957</collectingDate>
</date>
</materialsCitation>
;
<materialsCitation id="F2834365FFB4066AFE1DE8C27A5BFE01" collectingDate="1959-10-30" collectingDateMax="1962-06-19" collectingDateMin="1959-10-30" collectionCode="MZUSP, VI, R" country="Brazil" elevation="110" latitude="-27.716667" location="Tommasi" longLatPrecision="1235" longitude="-48.633335" pageId="16" pageNumber="67" specimenCode="MZUSP 01545" specimenCount="1" stateProvince="Sao Paulo">
<collectionCode id="24FAD1FDFFB4066AFE1DE8C2797CFFB9" box="[470,562,1253,1279]" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="16" pageNumber="67">MZUSP</collectionCode>
uncatalogued (01 specimen),
<collectingCountry id="3AFC09A8FFB4066AFC5BE8C27899FFB9" box="[912,983,1253,1279]" name="Brazil" pageId="16" pageNumber="67">Brazil</collectingCountry>
,
<collectingRegion id="802F87DAFFB4066AFC2DE8C27F14FFB9" box="[998,1114,1253,1279]" country="Brazil" name="Sao Paulo" pageId="16" pageNumber="67">São Paulo</collectingRegion>
(
<geoCoordinate id="27DF2FFFFFB4066AFBA6E8C27F84FFB9" box="[1133,1226,1253,1279]" degrees="24" direction="south" minutes="18" orientation="latitude" pageId="16" pageNumber="67" precision="925" value="-24.3">24º18S</geoCoordinate>
,
<geoCoordinate id="27DF2FFFFFB4066AFB12E8C37E70FFB9" box="[1241,1342,1252,1279]" degrees="44" direction="west" minutes="50" orientation="longitude" pageId="16" pageNumber="67" precision="925" value="-44.833332">44º50W</geoCoordinate>
,
<quantity id="8513E4DDFFB4066AFA87E8C27ED9FFB9" box="[1356,1431,1253,1279]" metricMagnitude="2" metricUnit="m" metricValue="1.1" pageId="16" pageNumber="67" unit="m" value="110.0">
<elevation id="C9C6AE0BFFB4066AFA87E8C27ED9FFB9" box="[1356,1431,1253,1279]" metricMagnitude="2" metricUnit="m" metricValue="1.1" pageId="16" pageNumber="67" unit="m" value="110.0">110 m</elevation>
</quantity>
, coll.
<date id="36556FF8FFB4066AFF1BE92E7A1FFE65" box="[208,337,1289,1315]" pageId="16" pageNumber="67" value="1962-06-19">
<collectingDate id="26119610FFB4066AFF1BE92E7A1FFE65" box="[208,337,1289,1315]" pageId="16" pageNumber="67" value="1962-06-19">
19/
<collectionCode id="24FAD1FDFFB4066AFF39E92E7A5EFE65" box="[242,272,1289,1315]" country="Norway" name="Mykotektet, National Veterinary Institute" pageId="16" pageNumber="67">VI</collectionCode>
/1962
</collectingDate>
</date>
by L.
<collectionCode id="24FAD1FDFFB4066AFE5FE92E7AE4FE65" box="[404,426,1289,1315]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="16" pageNumber="67">R</collectionCode>
.
<location id="47341FE3FFB4066AFE7EE92E796FFE65" LSID="urn:lsid:plazi:treatment:CA42F82EFFB40668FF5CEF067FDFF996:47341FE3FFB4066AFE7EE92E796FFE65" box="[437,545,1289,1315]" country="Brazil" latitude="-27.716667" longLatPrecision="1235" longitude="-48.633335" name="Tommasi" pageId="16" pageNumber="67" stateProvince="Sao Paulo">Tommasi</location>
;
<specimenCode id="124DE143FFB4066AFDE7E92E7998FE65" box="[556,726,1288,1315]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="16" pageNumber="67">MZUSP 01545</specimenCode>
(01 specimen),
<collectingRegion id="802F87DAFFB4066AFC47E92E7F7AFE65" box="[908,1076,1289,1315]" country="Brazil" name="Santa Catarina" pageId="16" pageNumber="67">Santa Catarina</collectingRegion>
,
<collectingCountry id="3AFC09A8FFB4066AFB8BE92E7FC9FE65" box="[1088,1159,1289,1315]" name="Brazil" pageId="16" pageNumber="67">Brazil</collectingCountry>
,
<geoCoordinate id="27DF2FFFFFB4066AFB58E92E7FA0FE65" box="[1171,1262,1289,1315]" degrees="27" direction="south" minutes="43" orientation="latitude" pageId="16" pageNumber="67" precision="925" value="-27.716667">27º43S</geoCoordinate>
,
<geoCoordinate id="27DF2FFFFFB4066AFB30E92E7E11FE65" box="[1275,1375,1289,1315]" degrees="48" direction="west" minutes="38" orientation="longitude" pageId="16" pageNumber="67" precision="925" value="-48.633335">48º38W</geoCoordinate>
, coll.
<date id="36556FF8FFB4066AFF5CE90B7A5FFE01" box="[151,273,1324,1351]" pageId="16" pageNumber="67" value="1959-10-30">
<collectingDate id="26119610FFB4066AFF5CE90B7A5FFE01" box="[151,273,1324,1351]" pageId="16" pageNumber="67" value="1959-10-30">30.X.1959</collectingDate>
</date>
.
</materialsCitation>
</paragraph>
<paragraph id="42544938FFB4066AFF0CE97679EBFE2D" blockId="16.[151,1437,1072,2035]" box="[199,677,1360,1387]" pageId="16" pageNumber="67">
<emphasis id="709F952AFFB4066AFF0CE9767A2BFE2D" bold="true" box="[199,357,1360,1387]" pageId="16" pageNumber="67">Type locality.</emphasis>
Cananéia,
<collectingRegion id="802F87DAFFB4066AFE29E9767918FE2D" box="[482,598,1361,1387]" country="Brazil" name="Sao Paulo" pageId="16" pageNumber="67">São Paulo</collectingRegion>
,
<collectingCountry id="3AFC09A8FFB4066AFDAAE97679EBFE2D" box="[609,677,1361,1387]" name="Brazil" pageId="16" pageNumber="67">Brazil</collectingCountry>
</paragraph>
</subSubSection>
<subSubSection id="0AF11AB3FFB4066AFF0CE9527ECFFEC9" box="[199,1409,1396,1423]" pageId="16" pageNumber="67" type="etymology">
<paragraph id="42544938FFB4066AFF0CE9527ECFFEC9" blockId="16.[151,1437,1072,2035]" box="[199,1409,1396,1423]" pageId="16" pageNumber="67">
<emphasis id="709F952AFFB4066AFF0CE9527A00FEC9" bold="true" box="[199,334,1397,1423]" pageId="16" pageNumber="67">Etymology.</emphasis>
Named in recognition of the contribution of Franz Herrmann Troschel (
<date id="36556FF8FFB4066AFBBFE9537FBBFEC9" box="[1140,1269,1396,1423]" pageId="16" pageNumber="67" value="1801" valueMax="1858">18011858</date>
) to zoology.
</paragraph>
</subSubSection>
<subSubSection id="0AF11AB3FFB4066AFF0CE9BF79C6FE91" pageId="16" pageNumber="67" type="diagnosis">
<paragraph id="42544938FFB4066AFF0CE9BF79C6FE91" blockId="16.[151,1437,1072,2035]" pageId="16" pageNumber="67">
<emphasis id="709F952AFFB4066AFF0CE9BF7A0CFEF5" bold="true" box="[199,322,1432,1459]" pageId="16" pageNumber="67">Diagnosis.</emphasis>
Disc (interradial regions) covered by conical long spines; radial shields naked and triangular; ventral arm plate with angulated latero-distal edges.
</paragraph>
</subSubSection>
<subSubSection id="0AF11AB3FFB4066BFF0CE9C67924FAE9" lastPageId="17" lastPageNumber="68" pageId="16" pageNumber="67" type="materials_examined">
<paragraph id="42544938FFB4066BFF0CE9C67BB4FBBD" blockId="16.[151,1437,1072,2035]" lastBlockId="17.[151,1437,153,431]" lastPageId="17" lastPageNumber="68" pageId="16" pageNumber="67">
<emphasis id="709F952AFFB4066AFF0CE9C67A86FEBD" bold="true" box="[199,456,1504,1531]" pageId="16" pageNumber="67">
<typeStatus id="9D50F79AFFB4066AFF0CE9C67A7AFEBD" box="[199,308,1505,1531]" pageId="16" pageNumber="67" type="holotype">Holotype</typeStatus>
description.
</emphasis>
A specimen with
<quantity id="8513E4DDFFB4066AFD5FE9C67849FEBD" box="[660,775,1505,1531]" metricMagnitude="-2" metricUnit="m" metricValue="1.222" pageId="16" pageNumber="67" unit="mm" value="12.22">12.22 mm</quantity>
of disc diameter. Five arms, 5 times as long as the disc diameter. Disc circular, inflated,
<quantity id="8513E4DDFFB4066AFE26EA22791FFD59" box="[493,593,1541,1567]" metricMagnitude="-3" metricUnit="m" metricValue="3.88" pageId="16" pageNumber="67" unit="mm" value="3.88">3.88 mm</quantity>
high; covered by elongated and imbricated scales supporting conical spines longer than
<quantity id="8513E4DDFFB4066AFED0EA0E7A15FD05" box="[283,347,1577,1603]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="16" pageNumber="67" unit="mm" value="1.0">1 mm</quantity>
in length, with truncated apex. Central and radial primary plates not visible (
<figureCitation id="DAD055BDFFB4066AFB65EA0E7E71FD05" box="[1198,1343,1577,1603]" captionStart="FIGURE 12" captionStartId="17.[151,250,1925,1950]" captionTargetBox="[153,1434,453,1900]" captionTargetId="figure@17.[153,1434,453,1900]" captionTargetPageId="17" captionText="FIGURE 12. Ophiothrix troscheli n. sp.: A, Dorsal view of the disc; B, SEM detail of disc spines; C, detail of naked radial shields and dorsal arm plates; D, oral frame; E, ventral arm plates; F, SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm." figureDoi="http://doi.org/10.5281/zenodo.3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="16" pageNumber="67">Figs. 12A, B</figureCitation>
). Radial shields flat, scalene triangular, naked, longer than wide, proximally tapered, and distally rounded, separated by 1-2 scales, distally barely in contact (
<figureCitation id="DAD055BDFFB4066AFDC4EA567939FDCD" box="[527,631,1649,1675]" captionStart="FIGURE 12" captionStartId="17.[151,250,1925,1950]" captionTargetBox="[153,1434,453,1900]" captionTargetId="figure@17.[153,1434,453,1900]" captionTargetPageId="17" captionText="FIGURE 12. Ophiothrix troscheli n. sp.: A, Dorsal view of the disc; B, SEM detail of disc spines; C, detail of naked radial shields and dorsal arm plates; D, oral frame; E, ventral arm plates; F, SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm." figureDoi="http://doi.org/10.5281/zenodo.3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="16" pageNumber="67">Fig. 12C</figureCitation>
). Ventral interradius covered by imbricated and elongated scales. Genital plates at the base of arms. Oral shields lozenge-shaped, wider than long, with proximal obtuse angle and distal and lateral edges rounded. Madreporite wider than long, lanceolate in shape. Adoral shields scalene triangular with rounded edges, tapered above the oral shields. Cluster of dental papillae on the apex of the jaw and covering at least half the height of the dental plate. Infradental papilla and oral papillae absent (
<figureCitation id="DAD055BDFFB4066AFBCAEB267F27FC5D" box="[1025,1129,1793,1819]" captionStart="FIGURE 12" captionStartId="17.[151,250,1925,1950]" captionTargetBox="[153,1434,453,1900]" captionTargetId="figure@17.[153,1434,453,1900]" captionTargetPageId="17" captionText="FIGURE 12. Ophiothrix troscheli n. sp.: A, Dorsal view of the disc; B, SEM detail of disc spines; C, detail of naked radial shields and dorsal arm plates; D, oral frame; E, ventral arm plates; F, SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm." figureDoi="http://doi.org/10.5281/zenodo.3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="16" pageNumber="67">Fig. 12D</figureCitation>
). Oral tentacle pore visible. Arms dorsoventrally compressed, tapering gradually toward arm tip. Dorsal arm plates lozenge-shaped, longer than wide, with elongated proximal edge and rounded distal edge (
<figureCitation id="DAD055BDFFB4066AFC91EB6E788DFC25" box="[858,963,1865,1891]" captionStart="FIGURE 12" captionStartId="17.[151,250,1925,1950]" captionTargetBox="[153,1434,453,1900]" captionTargetId="figure@17.[153,1434,453,1900]" captionTargetPageId="17" captionText="FIGURE 12. Ophiothrix troscheli n. sp.: A, Dorsal view of the disc; B, SEM detail of disc spines; C, detail of naked radial shields and dorsal arm plates; D, oral frame; E, ventral arm plates; F, SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm." figureDoi="http://doi.org/10.5281/zenodo.3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="16" pageNumber="67">Fig. 12C</figureCitation>
). Ventral arm plates with straight internal edge, concave laterally and distally, corners angulated (
<figureCitation id="DAD055BDFFB4066AFD30EB4A78C8FCC1" box="[763,902,1901,1927]" captionStart="FIGURE 12" captionStartId="17.[151,250,1925,1950]" captionTargetBox="[153,1434,453,1900]" captionTargetId="figure@17.[153,1434,453,1900]" captionTargetPageId="17" captionText="FIGURE 12. Ophiothrix troscheli n. sp.: A, Dorsal view of the disc; B, SEM detail of disc spines; C, detail of naked radial shields and dorsal arm plates; D, oral frame; E, ventral arm plates; F, SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm." figureDoi="http://doi.org/10.5281/zenodo.3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="16" pageNumber="67">Figs. 12E, F</figureCitation>
). Lateral arm plates occupying part of the dorsal surface of the arms; supporting 810 vitreous arm spines proximally and 58 distally (
<figureCitation id="DAD055BDFFB4066AFB98EBB67FF5FCED" box="[1107,1211,1937,1963]" captionStart="FIGURE 12" captionStartId="17.[151,250,1925,1950]" captionTargetBox="[153,1434,453,1900]" captionTargetId="figure@17.[153,1434,453,1900]" captionTargetPageId="17" captionText="FIGURE 12. Ophiothrix troscheli n. sp.: A, Dorsal view of the disc; B, SEM detail of disc spines; C, detail of naked radial shields and dorsal arm plates; D, oral frame; E, ventral arm plates; F, SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm." figureDoi="http://doi.org/10.5281/zenodo.3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="16" pageNumber="67">Fig. 12H</figureCitation>
), the second or third upper spine is the longest (
<figureCitation id="DAD055BDFFB4066AFE77EB927909FC89" box="[444,583,1973,1999]" captionStart="FIGURE 13" captionStartId="18.[151,250,1534,1559]" captionTargetBox="[152,1435,741,1509]" captionTargetId="figure@18.[152,1435,741,1509]" captionTargetPageId="18" captionText="FIGURE 13. SEM photographs of vertebrae and arm spines of Ophiothrix troscheli n. sp.: A, proximal surface; B, distal surface; C, dorsal surface; D, ventral surface; E, lateral arm plate; f, arm spine (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: AF = 200 μm." figureDoi="http://doi.org/10.5281/zenodo.3927928" httpUri="https://zenodo.org/record/3927928/files/figure.png" pageId="16" pageNumber="67">Figs. 13E, F</figureCitation>
). Arm spine articulation vertical, with two ridges slightly curved and opening at both ends, surrounding two circular openings with similar size. One spiniform tentacle scale. Arm vertebrae with zygospondylus articulation with a dorsal keel, extending distalwards into a large groove on the proximal face of the following vertebra. Zygocondyles dorsalwards converging and zygosphene fused with pair of zygocondiles (
<figureCitation id="DAD055BDFFB5066BFAA1EC9A7BFFFBBD" captionStart="FIGURE 13" captionStartId="18.[151,250,1534,1559]" captionTargetBox="[152,1435,741,1509]" captionTargetId="figure@18.[152,1435,741,1509]" captionTargetPageId="18" captionText="FIGURE 13. SEM photographs of vertebrae and arm spines of Ophiothrix troscheli n. sp.: A, proximal surface; B, distal surface; C, dorsal surface; D, ventral surface; E, lateral arm plate; f, arm spine (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: AF = 200 μm." figureDoi="http://doi.org/10.5281/zenodo.3927928" httpUri="https://zenodo.org/record/3927928/files/figure.png" pageId="17" pageNumber="68">Figs 13</figureCitation>
AD).
</paragraph>
<paragraph id="42544938FFB5066BFF0CED237834FA05" blockId="17.[151,1437,153,431]" pageId="17" pageNumber="68">
<emphasis id="709F952AFFB5066BFF0CED237A04FA59" bold="true" box="[199,330,260,287]" pageId="17" pageNumber="68">Variations.</emphasis>
Sometimes, few short and smooth spines are among the long spines of the disc. The ventral arm plates can vary from square to rectangular in shape along the arm.
</paragraph>
<paragraph id="42544938FFB5066BFF0CED6B7924FAE9" blockId="17.[151,1437,153,431]" pageId="17" pageNumber="68">
<emphasis id="709F952AFFB5066BFF0CED6B7A33FA21" bold="true" box="[199,381,332,359]" pageId="17" pageNumber="68">Color patterns.</emphasis>
<taxonomicName id="85EB32BBFFB5066BFE4EED6A7927FA21" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[389,617,333,359]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="17" pageNumber="68" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB5066BFE4EED6A7927FA21" box="[389,617,333,359]" italics="true" pageId="17" pageNumber="68">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB5066BFDBAED6A79FEFA21" bold="true" box="[625,688,333,359]" pageId="17" pageNumber="68">
<taxonomicNameLabel id="6BAC2851FFB5066BFDBAED6A79FEFA21" box="[625,688,333,359]" pageId="17" pageNumber="68" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is pale-colored with brown or black spots placed at the corners of the radial shields and interradial regions of disc. The dorsal arm plates have the same pale coloration of the disc or have longitudinal black and white stripes.
</paragraph>
</subSubSection>
<caption id="169419B0FFB5066BFF5CEBA279B3FCA0" ID-DOI="http://doi.org/10.5281/zenodo.3927926" ID-Zenodo-Dep="3927926" httpUri="https://zenodo.org/record/3927926/files/figure.png" pageId="17" pageNumber="68" startId="17.[151,250,1925,1950]" targetBox="[153,1434,453,1900]" targetPageId="17">
<paragraph id="42544938FFB5066BFF5CEBA279B3FCA0" blockId="17.[151,1437,1925,2022]" pageId="17" pageNumber="68">
<emphasis id="709F952AFFB5066BFF5CEBA27A6FFCD8" bold="true" box="[151,289,1925,1950]" pageId="17" pageNumber="68">FIGURE 12.</emphasis>
<taxonomicName id="85EB32BBFFB5066BFEE2EBA17AB6FCD8" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[297,504,1926,1950]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="17" pageNumber="68" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB5066BFEE2EBA17AB6FCD8" box="[297,504,1926,1950]" italics="true" pageId="17" pageNumber="68">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB5066BFDCBEBA17974FCD8" bold="true" box="[512,570,1926,1950]" pageId="17" pageNumber="68">
<taxonomicNameLabel id="6BAC2851FFB5066BFDCBEBA17974FCD8" box="[512,570,1926,1950]" pageId="17" pageNumber="68" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
:
<emphasis id="709F952AFFB5066BFD82EBA2792CFCD8" bold="true" box="[585,610,1925,1950]" pageId="17" pageNumber="68">A,</emphasis>
Dorsal view of the disc;
<emphasis id="709F952AFFB5066BFCA1EBA178CEFCD8" bold="true" box="[874,896,1926,1950]" pageId="17" pageNumber="68">B,</emphasis>
SEM detail of disc spines;
<emphasis id="709F952AFFB5066BFB6AEBA27FF4FCD8" bold="true" box="[1185,1210,1925,1950]" pageId="17" pageNumber="68">C,</emphasis>
detail of naked radial shields and dorsal arm plates;
<emphasis id="709F952AFFB5066BFE01EB8D7AACFC84" bold="true" box="[458,482,1962,1986]" pageId="17" pageNumber="68">D,</emphasis>
oral frame;
<emphasis id="709F952AFFB5066BFD94EB8D7938FC84" bold="true" box="[607,630,1962,1986]" pageId="17" pageNumber="68">E,</emphasis>
ventral arm plates;
<emphasis id="709F952AFFB5066BFC8BEB8D781DFC84" bold="true" box="[832,851,1962,1986]" pageId="17" pageNumber="68">F,</emphasis>
SEM detail of ventral arm plate (ZUEC 00857, holotype, São Paulo, Brazil). Scale bars: A, CE = 1 mm; F = 100 μm.
</paragraph>
</caption>
<subSubSection id="0AF11AB3FFB60668FF0CECBE7E16F9ED" pageId="18" pageNumber="69" type="discussion">
<paragraph id="42544938FFB60668FF0CECBE7FF3FA95" blockId="18.[151,1437,153,720]" pageId="18" pageNumber="69">
<emphasis id="709F952AFFB60668FF0CECBE7A75FBF5" bold="true" box="[199,315,153,179]" pageId="18" pageNumber="69">Remarks.</emphasis>
Among
<taxonomicName id="85EB32BBFFB60668FE54ECBE7954FBF5" authorityName="Muller &amp; Troschel" authorityYear="1840" box="[415,538,153,179]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="genus">
<emphasis id="709F952AFFB60668FE54ECBE7954FBF5" box="[415,538,153,179]" italics="true" pageId="18" pageNumber="69">Ophiothrix</emphasis>
</taxonomicName>
species recorded from the Western Atlantic Ocean,
<taxonomicName id="85EB32BBFFB60668FBA5ECBE7E1DFBF5" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[1134,1363,153,179]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FBA5ECBE7E1DFBF5" box="[1134,1363,153,179]" italics="true" pageId="18" pageNumber="69">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FA90ECBE7ED2FBF5" bold="true" box="[1371,1436,153,179]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FA90ECBE7ED2FBF5" box="[1371,1436,153,179]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
most closely resembles
<taxonomicName id="85EB32BBFFB60668FE6AEC9A795EFB91" authorityName="Lyman" authorityYear="1860" box="[417,528,189,215]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="lineata">
<emphasis id="709F952AFFB60668FE6AEC9A795EFB91" box="[417,528,189,215]" italics="true" pageId="18" pageNumber="69">O. lineata</emphasis>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FDD5EC9A79D1FB91" authorityName="Ludwig" authorityYear="1882" box="[542,671,189,215]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="rathbuni">
<emphasis id="709F952AFFB60668FDD5EC9A79D1FB91" box="[542,671,189,215]" italics="true" pageId="18" pageNumber="69">O. rathbuni</emphasis>
</taxonomicName>
and
<taxonomicName id="85EB32BBFFB60668FD1EEC9A7817FB91" box="[725,857,189,215]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="suensoni">
<emphasis id="709F952AFFB60668FD1EEC9A7817FB91" box="[725,857,189,215]" italics="true" pageId="18" pageNumber="69">O. suensoni</emphasis>
</taxonomicName>
in having naked radial shields.
<taxonomicName id="85EB32BBFFB60668FB71EC9A7ED2FB91" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[1210,1436,189,215]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FB71EC9A7ED2FB91" box="[1210,1436,189,215]" italics="true" pageId="18" pageNumber="69">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FF5CECC67B98FBBD" bold="true" box="[151,214,225,251]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FF5CECC67B98FBBD" box="[151,214,225,251]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is differs from
<taxonomicName id="85EB32BBFFB60668FE4DECC67AB9FBBD" authorityName="Lyman" authorityYear="1860" box="[390,503,225,251]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="lineata">
<emphasis id="709F952AFFB60668FE4DECC67AB9FBBD" box="[390,503,225,251]" italics="true" pageId="18" pageNumber="69">O. lineata</emphasis>
</taxonomicName>
, however, in having interradial regions of the disc covered by spines (in
<taxonomicName id="85EB32BBFFB60668FAE7ECC67ED2FBBD" authorityName="Lyman" authorityYear="1860" box="[1324,1436,225,251]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="lineata">
<emphasis id="709F952AFFB60668FAE7ECC67ED2FBBD" box="[1324,1436,225,251]" italics="true" pageId="18" pageNumber="69">O. lineata</emphasis>
</taxonomicName>
the coverage is granules). Differences between
<taxonomicName id="85EB32BBFFB60668FD62ED227862FA59" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[681,812,261,287]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FD62ED227862FA59" box="[681,812,261,287]" italics="true" pageId="18" pageNumber="69">O. troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FCF8ED22783CFA59" bold="true" box="[819,882,261,287]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FCF8ED22783CFA59" box="[819,882,261,287]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and
<taxonomicName id="85EB32BBFFB60668FC62ED227F65FA59" authorityName="Ludwig" authorityYear="1882" box="[937,1067,261,287]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="rathbuni">
<emphasis id="709F952AFFB60668FC62ED227F65FA59" box="[937,1067,261,287]" italics="true" pageId="18" pageNumber="69">O. rathbuni</emphasis>
</taxonomicName>
include de coverage of the interradial regions of the disc (with long distally truncated spines in
<taxonomicName id="85EB32BBFFB60668FCB8ED0E78B9FA05" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[883,1015,297,323]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FCB8ED0E78B9FA05" box="[883,1015,297,323]" italics="true" pageId="18" pageNumber="69">O. troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FBCBED0E7F0EFA05" bold="true" box="[1024,1088,297,323]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FBCBED0E7F0EFA05" box="[1024,1088,297,323]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and with short bifid and trifid spines in
<taxonomicName id="85EB32BBFFB60668FEC9ED6A7ACAFA21" authorityName="Ludwig" authorityYear="1882" box="[258,388,333,359]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="rathbuni">
<emphasis id="709F952AFFB60668FEC9ED6A7ACAFA21" box="[258,388,333,359]" italics="true" pageId="18" pageNumber="69">O. rathbuni</emphasis>
</taxonomicName>
) and the shape of the ventral arm plates (with angulated lateral distal edges in
<taxonomicName id="85EB32BBFFB60668FB30ED6A7E30FA21" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[1275,1406,333,359]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FB30ED6A7E30FA21" box="[1275,1406,333,359]" italics="true" pageId="18" pageNumber="69">O. troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FA4DED6A7BF6FACD" bold="true" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FA4DED6A7BF6FACD" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and hexagonal or octagonal in
<taxonomicName id="85EB32BBFFB60668FDDAED5679DCFACD" authorityName="Ludwig" authorityYear="1882" box="[529,658,369,395]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="rathbuni">
<emphasis id="709F952AFFB60668FDDAED5679DCFACD" box="[529,658,369,395]" italics="true" pageId="18" pageNumber="69">O. rathbuni</emphasis>
</taxonomicName>
).
<taxonomicName id="85EB32BBFFB60668FD63ED5678C4FACD" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[680,906,369,395]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FD63ED5678C4FACD" box="[680,906,369,395]" italics="true" pageId="18" pageNumber="69">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FC5BED567883FACD" bold="true" box="[912,973,369,395]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FC5BED567883FACD" box="[912,973,369,395]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from
<taxonomicName id="85EB32BBFFB60668FB3CED567E34FACD" box="[1271,1402,369,395]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="suensoni">
<emphasis id="709F952AFFB60668FB3CED567E34FACD" box="[1271,1402,369,395]" italics="true" pageId="18" pageNumber="69">O. suensoni</emphasis>
</taxonomicName>
by the shape of the disc spines (distally truncated in
<taxonomicName id="85EB32BBFFB60668FD09EDB27808FAE9" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[706,838,405,431]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FD09EDB27808FAE9" box="[706,838,405,431]" italics="true" pageId="18" pageNumber="69">O. troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FC85EDB278C3FAE9" bold="true" box="[846,909,405,431]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FC85EDB278C3FAE9" box="[846,909,405,431]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and needle-shaped in
<taxonomicName id="85EB32BBFFB60668FB42EDB27E40FAE9" box="[1161,1294,405,431]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="suensoni">
<emphasis id="709F952AFFB60668FB42EDB27E40FAE9" box="[1161,1294,405,431]" italics="true" pageId="18" pageNumber="69">O. suensoni</emphasis>
</taxonomicName>
) and ventral arm plates (with angulated lateral distal edges in
<taxonomicName id="85EB32BBFFB60668FD77ED9E7871FA95" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[700,831,441,467]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FD77ED9E7871FA95" box="[700,831,441,467]" italics="true" pageId="18" pageNumber="69">O. troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FC8DED9E78CBFA95" bold="true" box="[838,901,441,467]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FC8DED9E78CBFA95" box="[838,901,441,467]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and square in
<taxonomicName id="85EB32BBFFB60668FBE2ED9E7FE3FA95" box="[1065,1197,441,467]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="suensoni">
<emphasis id="709F952AFFB60668FBE2ED9E7FE3FA95" box="[1065,1197,441,467]" italics="true" pageId="18" pageNumber="69">O. suensoni</emphasis>
</taxonomicName>
).
</paragraph>
<paragraph id="42544938FFB60668FF0CEDFA7E16F9ED" blockId="18.[151,1437,153,720]" pageId="18" pageNumber="69">
Most species of
<taxonomicName id="85EB32BBFFB60668FE4BEDFA7AB5FAB1" authorityName="Muller &amp; Troschel" authorityYear="1840" box="[384,507,477,503]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="genus">
<emphasis id="709F952AFFB60668FE4BEDFA7AB5FAB1" box="[384,507,477,503]" italics="true" pageId="18" pageNumber="69">Ophiothrix</emphasis>
</taxonomicName>
from the Western Atlantic including
<taxonomicName id="85EB32BBFFB60668FC55EDFA7F6BFAB1" authorityName="Say" authorityYear="1825" box="[926,1061,477,503]" class="Ophiuroidea" family="Ophiuridae" genus="Ophiura" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="angulata">
<emphasis id="709F952AFFB60668FC55EDFA7F6BFAB1" box="[926,1061,477,503]" italics="true" pageId="18" pageNumber="69">O. angulata</emphasis>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FBF8EDFA7E3AFAB1" authority="Le Conte, 1851" authorityName="Le Conte" authorityYear="1851" box="[1075,1396,476,503]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="spiculata">
<emphasis id="709F952AFFB60668FBF8EDFA7FF3FAB1" box="[1075,1213,477,503]" italics="true" pageId="18" pageNumber="69">O. spiculata</emphasis>
<bibRefCitation id="267A34C9FFB60668FB0FEDFA7E3AFAB1" author="Le Conte, J. L." box="[1220,1396,476,503]" pageId="18" pageNumber="69" pagination="316 - 319" refId="ref14642" refString="Le Conte, J. L. (1851) Zoological Notes. Proceedings of the Society of Natural History Philadelphia, 1850 - 1851, 5, 316 - 319." type="journal article" year="1851">Le Conte, 1851</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FA4AEDFA7BA6F95D" baseAuthorityName="Abildgaard in Muller" baseAuthorityYear="1789" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="fragilis">
<emphasis id="709F952AFFB60668FA4AEDFA7BA6F95D" italics="true" pageId="18" pageNumber="69">O. fragilis</emphasis>
</taxonomicName>
(Abildgaard in O.F.
<bibRefCitation id="267A34C9FFB60668FE1FEE267924F95D" author="Muller, O. F." box="[468,618,513,539]" pageId="18" pageNumber="69" pagination="81 - 120" refId="ref15256" refString="Muller, O. F. (1789) Zoologia Danica seu animalium Daniae et Norvegiae rariorum ac minus notorum descriptiones et historia. Volumen Tertium. N. Moller, Havniae (Copenhague), 2 + 71, pp., pls. 81 - 120. https: // doi. org / 10.5962 / bhl. title. 49477" type="journal article" year="1789">Müller, 1789</bibRefCitation>
),
<taxonomicName id="85EB32BBFFB60668FDB5EE26783CF95D" authority="Hendler, 2005" authorityName="Hendler" authorityYear="2005" box="[638,882,512,539]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="stri">
<emphasis id="709F952AFFB60668FDB5EE267989F95D" box="[638,711,513,539]" italics="true" pageId="18" pageNumber="69">O. stri</emphasis>
<bibRefCitation id="267A34C9FFB60668FD04EE26783CF95D" author="Hendler, G." box="[719,882,512,539]" pageId="18" pageNumber="69" pagination="583 - 599" refId="ref14367" refString="Hendler, G. (2005) Two new brittle star species of the genus Ophiothrix (Echinodermata: Ophiuroidea: Ophiotrichidae) from coral reefs in the southern Caribbean Sea, with notes on their biology. Caribbean Journal of Science, 41, 583 - 599." type="journal article" year="2005">Hendler, 2005</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FCB5EE267FD2F95D" authority="Lutken, 1856" authorityName="Lutken" authorityYear="1856" box="[894,1180,512,539]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="oerstedi">
<emphasis id="709F952AFFB60668FCB5EE2678B5F95D" box="[894,1019,513,539]" italics="true" pageId="18" pageNumber="69">O. oerstedi</emphasis>
<bibRefCitation id="267A34C9FFB60668FBC8EE267FD2F95D" author="Lutken, C. F." box="[1027,1180,512,539]" pageId="18" pageNumber="69" pagination="1 - 19" refId="ref14893" refString="Lutken, C. F. (1856) Bidrag til kundskab om Slangestjernerne. II. Oversigt over de vestindiske Ophiurer. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening i KJObenhavn, 7, 1 - 19." type="journal article" year="1856">Lütken, 1856</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FB63EE267B9CF979" authority="Ljungman, 1872" authorityName="Ljungman" authorityYear="1872" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="pallida">
<emphasis id="709F952AFFB60668FB63EE267E54F95D" box="[1192,1306,513,539]" italics="true" pageId="18" pageNumber="69">O. pallida</emphasis>
<bibRefCitation id="267A34C9FFB60668FAE9EE267B9CF979" author="Ljungman, A. V." pageId="18" pageNumber="69" pagination="615 - 658" refId="ref14801" refString="Ljungman, A. V. (1872) Forteckning ofver uti Vestindien af Dr A. Goes samt under korvetten Josefinas expedition i Atlantiska Oceanen samlade Ophiurider. Ofversigt af Kungliga Vetenskapsakademiens Forhandlingar, 28 (5), 615 - 658." type="journal article" year="1872">Ljungman, 1872</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FF16EE027A9DF979" authority="Lyman, 1874" authorityName="Lyman" authorityYear="1874" box="[221,467,549,575]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="rudis">
<emphasis id="709F952AFFB60668FF16EE027A77F979" box="[221,313,549,575]" italics="true" pageId="18" pageNumber="69">O. rudis</emphasis>
<bibRefCitation id="267A34C9FFB60668FE8BEE027A9DF979" author="Lyman, T." box="[320,467,549,575]" pageId="18" pageNumber="69" pagination="221 - 272" refId="ref15033" refString="Lyman, T. (1874) Ophiuridae and Astrophytidae: new and old. Bulletin of the Museum of Comparative Zoology at Harvard College, 3, 221 - 272." type="journal article" year="1874">Lyman, 1874</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="85EB32BBFFB60668FDC1EE027824F979" authority="Grube, 1868" authorityName="Grube" authorityYear="1868" box="[522,874,549,575]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="roseocoerulans">
<emphasis id="709F952AFFB60668FDC1EE027996F979" box="[522,728,549,575]" italics="true" pageId="18" pageNumber="69">O. roseocoerulans</emphasis>
<bibRefCitation id="267A34C9FFB60668FD15EE027824F979" author="Grube, A. E." box="[734,874,549,575]" pageId="18" pageNumber="69" pagination="44 - 45" refId="ref14291" refString="Grube, A. E. (1868) Uber einige seltenere oder neue Ophiuriden. Jahresberichte der schlesischen Gesellschaft fur vaterlandische Kultur, 45, 44 - 45." type="journal article" year="1868">Grube, 1868</bibRefCitation>
</taxonomicName>
are distinguished from
<taxonomicName id="85EB32BBFFB60668FBBFEE027E18F979" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[1140,1366,549,575]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FBBFEE027E18F979" box="[1140,1366,549,575]" italics="true" pageId="18" pageNumber="69">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FA96EE027ED2F979" bold="true" box="[1373,1436,549,575]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FA96EE027ED2F979" box="[1373,1436,549,575]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
in having radial shields covered by spines. Additionally,
<taxonomicName id="85EB32BBFFB60668FCDCEE6E7F6BF925" authority="Hendler, 2005" authorityName="Hendler" authorityYear="2005" box="[791,1061,584,611]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="cimar">
<emphasis id="709F952AFFB60668FCDCEE6E7834F925" box="[791,890,585,611]" italics="true" pageId="18" pageNumber="69">O. cimar</emphasis>
<bibRefCitation id="267A34C9FFB60668FC49EE6E7F6BF925" author="Hendler, G." box="[898,1061,584,611]" pageId="18" pageNumber="69" pagination="583 - 599" refId="ref14367" refString="Hendler, G. (2005) Two new brittle star species of the genus Ophiothrix (Echinodermata: Ophiuroidea: Ophiotrichidae) from coral reefs in the southern Caribbean Sea, with notes on their biology. Caribbean Journal of Science, 41, 583 - 599." type="journal article" year="2005">Hendler, 2005</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FBFAEE6E7E3BF925" authority="Schoppe, 1996" authorityName="Schoppe" authorityYear="1996" box="[1073,1397,585,611]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="synoecina">
<emphasis id="709F952AFFB60668FBFAEE6E7F8AF925" box="[1073,1220,585,611]" italics="true" pageId="18" pageNumber="69">O. synoecina</emphasis>
<bibRefCitation id="267A34C9FFB60668FB00EE6E7E3BF925" author="Schoppe, S." box="[1227,1397,585,611]" pageId="18" pageNumber="69" pagination="429 - 437" refId="ref15776" refString="Schoppe, S. (1996) Ophiothrix synoecina new species (Echinodermata: Ophiuroidea) from the Caribbean coast of Columbia. Bulletin of Marine Science, 58 (2), 429 - 437." type="journal article" year="1996">Schoppe, 1996</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FA4AEE6E7A85F9C1" authority="H. L. Clark, 1939" authorityName="H. L. Clark" authorityYear="1939" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="hartfordi">
<emphasis id="709F952AFFB60668FA4AEE6E7BB5F9C1" italics="true" pageId="18" pageNumber="69">O. hartfordi</emphasis>
H. L.
<bibRefCitation id="267A34C9FFB60668FE8FEE4A7A85F9C1" author="Clark, A. H." box="[324,459,621,647]" pageId="18" pageNumber="69" pagination="441 - 456" refId="ref13803" refString="Clark, A. H. (1939) Echinoderms of the Smithsonian-Hartford Expedition, 1937, with other West Indian records. Proceedings of the U. S. National Museum, 86, 441 - 456. https: // doi. org / 10.5479 / si. 00963801.86 - 3056.441" type="journal article" year="1939">Clark, 1939</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="85EB32BBFFB60668FE1CEE4A7932F9C1" box="[471,636,621,647]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="brachyactis">
<emphasis id="709F952AFFB60668FE1CEE4A7932F9C1" box="[471,636,621,647]" italics="true" pageId="18" pageNumber="69">O. brachyactis</emphasis>
</taxonomicName>
, and
<taxonomicName id="85EB32BBFFB60668FD72EE4A788BF9C1" authority="Lyman, 1860" authorityName="Lyman" authorityYear="1860" box="[697,965,621,647]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="lineata">
<emphasis id="709F952AFFB60668FD72EE4A7864F9C1" box="[697,810,621,647]" italics="true" pageId="18" pageNumber="69">O. lineata</emphasis>
<bibRefCitation id="267A34C9FFB60668FCFAEE4A788BF9C1" author="Lyman, T." box="[817,965,621,647]" pageId="18" pageNumber="69" pagination="252 - 262" refId="ref14931" refString="Lyman, T. (1860) Descriptions of new Ophiuridae, belonging to the Smithsonian Institution and to the Museum of Comparative Zoology at Cambridge. Proceedings of the Boston Society of Natural History 1859 - 61, 7, 252 - 262. https: // doi. org / 10.5962 / bhl. part. 4822" type="journal article" year="1860">Lyman, 1860</bibRefCitation>
</taxonomicName>
have the disc covered by granules. In this way, all these species are readily distinguished from
<taxonomicName id="85EB32BBFFB60668FD2EEEB67886F9ED" authority="Santana &amp; Manso &amp; Almeida &amp; Alves, 2020" authorityName="Santana &amp; Manso &amp; Almeida &amp; Alves" authorityYear="2020" box="[741,968,657,683]" class="Ophiuroidea" family="Ophiotrichidae" genus="Ophiothrix" kingdom="Animalia" order="Ophiurida" pageId="18" pageNumber="69" phylum="Echinodermata" rank="species" species="troscheli" status="sp. nov.">
<emphasis id="709F952AFFB60668FD2EEEB67886F9ED" box="[741,968,657,683]" italics="true" pageId="18" pageNumber="69">Ophiothrix troscheli</emphasis>
</taxonomicName>
<emphasis id="709F952AFFB60668FC04EEB67F40F9ED" bold="true" box="[975,1038,657,683]" pageId="18" pageNumber="69">
<taxonomicNameLabel id="6BAC2851FFB60668FC04EEB67F40F9ED" box="[975,1038,657,683]" pageId="18" pageNumber="69" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
that has naked radial shields.
</paragraph>
</subSubSection>
<subSubSection id="0AF11AB3FFB60668FF0CEE937FDFF996" box="[199,1169,692,720]" pageId="18" pageNumber="69" type="distribution">
<paragraph id="42544938FFB60668FF0CEE937FDFF996" blockId="18.[151,1437,153,720]" box="[199,1169,692,720]" pageId="18" pageNumber="69">
<emphasis id="709F952AFFB60668FF0CEE937A17F989" bold="true" box="[199,345,692,719]" pageId="18" pageNumber="69">Distribution</emphasis>
. Western Atlantic:
<collectingCountry id="3AFC09A8FFB60668FDFBEE92793AF989" box="[560,628,693,719]" name="Brazil" pageId="18" pageNumber="69">Brazil</collectingCountry>
(
<collectingRegion id="802F87DAFFB60668FD4FEE927864F989" box="[644,810,693,719]" country="Brazil" name="Rio de Janeiro" pageId="18" pageNumber="69">Rio de Janeiro</collectingRegion>
,
<collectingRegion id="802F87DAFFB60668FCFEEE9278E8F989" box="[821,934,693,719]" country="Brazil" name="Sao Paulo" pageId="18" pageNumber="69">São Paulo</collectingRegion>
and
<collectingRegion id="802F87DAFFB60668FC17EE927FCBF996" box="[988,1157,693,720]" country="Brazil" name="Santa Catarina" pageId="18" pageNumber="69">Santa Catarina</collectingRegion>
).
</paragraph>
</subSubSection>
</treatment>
</document>