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<document id="7C5F426E9108D2070482FE8B79B1991B" ID-CLB-Dataset="42349" ID-DOI="10.11646/zootaxa.3911.2.1" ID-GBIF-Dataset="8baa9579-e863-47db-b025-7acc20458ac0" ID-ISSN="1175-5326" ID-Zenodo-Dep="238815" ID-ZooBank="5C32A1B4-E4AB-4BC3-8E8A-1BF435587D17" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460940336171" checkinUser="plazi" docAuthor="Ugalde, Diana, Gómez, Patricia &amp; Simões, Nuno" docDate="2015" docId="03BB02496066FFD0FF54D65A8082BC6B" docLanguage="en" docName="zt03911p183.pdf" docOrigin="Zootaxa 3911 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Erylus trisphaerus" docType="treatment" docVersion="9" lastPageNumber="156" masterDocId="FF827A316065FFD6FFC3D30A810FBD76" masterDocTitle="Marine sponges (Porifera: Demospongiae) from the Gulf of México, new records and redescription of Erylus trisphaerus (de Laubenfels, 1953)" masterLastPageNumber="183" masterPageNumber="151" pageNumber="154" updateTime="1698584134703" updateUser="ExternalLinkService">
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<mods:title id="4DEA86CF3870F653B4611EEF2B658618">Marine sponges (Porifera: Demospongiae) from the Gulf of México, new records and redescription of Erylus trisphaerus (de Laubenfels, 1953)</mods:title>
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<treatment id="03BB02496066FFD0FF54D65A8082BC6B" ID-DOI="http://doi.org/10.5281/zenodo.5678280" ID-GBIF-Taxon="119591281" ID-Zenodo-Dep="5678280" LSID="urn:lsid:plazi:treatment:03BB02496066FFD0FF54D65A8082BC6B" httpUri="http://treatment.plazi.org/id/03BB02496066FFD0FF54D65A8082BC6B" lastPageId="6" lastPageNumber="156" pageId="3" pageNumber="154">
<subSubSection id="C308E0D46066FFD5FF54D65A8565B8A7" pageId="3" pageNumber="154" type="nomenclature">
<paragraph id="8BADB35F6066FFD5FF54D65A838DB81C" blockId="3.[151,642,1360,1420]" box="[151,642,1360,1386]" pageId="3" pageNumber="154">
<heading id="D0E504336066FFD5FF54D65A838DB81C" bold="true" box="[151,642,1360,1386]" fontSize="11" level="1" pageId="3" pageNumber="154" reason="1">
<emphasis id="B9666F4D6066FFD5FF54D65A838DB81C" bold="true" box="[151,642,1360,1386]" pageId="3" pageNumber="154">
<taxonomicName id="4C12C8DC6066FFD5FF54D65A8078B81C" box="[151,375,1360,1386]" class="Demospongiae" family="Geodiidae" genus="Erylus" kingdom="Animalia" order="Astrophorida" pageId="3" pageNumber="154" phylum="Porifera" rank="species" species="trisphaerus">
<emphasis id="B9666F4D6066FFD5FF54D65A8078B81C" bold="true" box="[151,375,1360,1386]" italics="true" pageId="3" pageNumber="154">Erylus trisphaerus</emphasis>
</taxonomicName>
(de
<bibRefCitation id="EF83CEAE6066FFD5FE6FD65A8375B81C" author="Laubenfels" box="[428,634,1360,1386]" pageId="3" pageNumber="154" refString="Laubenfels, M. W. de (1953) Sponges from the Gulf of Mexico. Bulletin of Marine Science Gulf and Caribbean, 2, 511 - 557." type="journal article" year="1953">Laubenfels 1953</bibRefCitation>
)
</emphasis>
</heading>
</paragraph>
<paragraph id="8BADB35F6066FFD5FF54D679807AB8FA" blockId="3.[151,642,1360,1420]" box="[151,373,1395,1420]" pageId="3" pageNumber="154">
(
<figureCitation id="1329AFDA6066FFD5FF5CD67981E5B8FA" box="[159,234,1395,1420]" captionStart="FIGURE 3" captionStartId="4.[151,250,1789,1811]" captionTargetBox="[151,1436,195,1765]" captionTargetId="figure@4.[151,1436,195,1765]" captionTargetPageId="4" captionText="FIGURE 3. Erylus trisphaerus (de Laubenfels, 1953): A. Habit of specimen in alcohol. B. Perpendicular section of skeletal arrangement showing the cortex and radial spicular tracts. C. Orthotrienes and aspidasters in LM. D. Oxeas, aspidasters, and microxeas seen in SEM. E. Orthotriaene. F. Centrotylote microxea." httpUri="https://zenodo.org/record/238818/files/figure.png" pageId="3" pageNumber="154">Figs. 3</figureCitation>
AF, 4AE)
</paragraph>
<paragraph id="8BADB35F6066FFD5FF54D6B18565B8A7" blockId="3.[151,1130,1467,1489]" box="[151,1130,1467,1489]" pageId="3" pageNumber="154">
Selected synonymy:
<taxonomicName id="4C12C8DC6066FFD5FEA9D6B6833FB8A7" box="[362,560,1467,1489]" class="Demospongiae" family="Geodiidae" genus="Unimia" higherTaxonomySource="CoL" kingdom="Animalia" order="Tetractinellida" pageId="3" pageNumber="154" phylum="Porifera" rank="species" species="trisphaerus">
<emphasis id="B9666F4D6066FFD5FEA9D6B6833FB8A7" box="[362,560,1467,1489]" italics="true" pageId="3" pageNumber="154">Unimia trisphaerus</emphasis>
</taxonomicName>
de
<bibRefCitation id="EF83CEAE6066FFD5FD97D6B18209B8A7" author="Laubenfels" box="[596,774,1467,1489]" pageId="3" pageNumber="154" refString="Laubenfels, M. W. de (1953) Sponges from the Gulf of Mexico. Bulletin of Marine Science Gulf and Caribbean, 2, 511 - 557." type="journal article" year="1953">Laubenfels, 1953</bibRefCitation>
:546;
<bibRefCitation id="EF83CEAE6066FFD5FCFDD6B182D7B8A7" author="Alcolado" box="[830,984,1467,1489]" pageId="3" pageNumber="154" refString="Alcolado, P. M. (1976) Lista de nuevos registros de poriferos para Cuba. Serie Oceanologica (Academia de Ciencias de Cuba), 36, 1 - 11." type="journal article" year="1976">Alcolado 1976</bibRefCitation>
:7 (only cited).
</paragraph>
</subSubSection>
<subSubSection id="C308E0D46066FFD5FF54D6F78360BB4D" pageId="3" pageNumber="154" type="materials_examined">
<paragraph id="8BADB35F6066FFD5FF54D6F78360BB4D" blockId="3.[151,1437,1533,1991]" pageId="3" pageNumber="154">
<emphasis id="B9666F4D6066FFD5FF54D6F78088BB60" bold="true" box="[151,391,1533,1558]" pageId="3" pageNumber="154">Material examined</emphasis>
.
<collectionCode id="ED032B9A6066FFD5FE67D6F48308BB60" box="[420,519,1534,1558]" pageId="3" pageNumber="154">CNPGG</collectionCode>
1183,
<collectionCode id="ED032B9A6066FFD5FDA7D6F483C8BB60" box="[612,711,1534,1558]" pageId="3" pageNumber="154">CNPGG</collectionCode>
1304, and
<collectionCode id="ED032B9A6066FFD5FCA0D6F482CBBB60" box="[867,964,1534,1558]" pageId="3" pageNumber="154">CNPGG</collectionCode>
1312 Alacranes reef (
<geoCoordinate id="EE26D5986066FFD5FB2FD6F78497BB60" box="[1260,1432,1533,1558]" direction="north" orientation="latitude" pageId="3" pageNumber="154" precision="1" value="22.365553">22°21'55.99”N</geoCoordinate>
,
<geoCoordinate id="EE26D5986066FFD5FF54D5288046BB4C" box="[151,329,1570,1594]" direction="west" orientation="longitude" pageId="3" pageNumber="154" precision="1" value="-89.67244">89°40'20.79”W</geoCoordinate>
), depth
<quantity id="4CEA1EBA6066FFD5FE62D52880D4BB4C" box="[417,475,1570,1594]" metricMagnitude="1" metricUnit="m" metricValue="3.0" pageId="3" pageNumber="154" unit="m" value="30.0">30 m</quantity>
<date id="FFAC959F6066FFD5FE22D5288364BB4D" box="[481,619,1570,1595]" pageId="3" pageNumber="154" value="2013-08-06">6/VIII/2013</date>
.
</paragraph>
</subSubSection>
<subSubSection id="C308E0D46066FFD3FF04D54F83F4BBF6" lastPageId="5" lastPageNumber="156" pageId="3" pageNumber="154" type="description">
<paragraph id="8BADB35F6066FFD5FF04D54F8087BA40" blockId="3.[151,1437,1533,1991]" pageId="3" pageNumber="154">
<emphasis id="B9666F4D6066FFD5FF04D54F805EBB28" bold="true" box="[199,337,1605,1630]" pageId="3" pageNumber="154">Description</emphasis>
. Massive sponge with well-defined lobes, each provided with an apical oscule
<quantity id="4CEA1EBA6066FFD5FAD5D54F8476BB28" box="[1302,1401,1605,1630]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="3" pageNumber="154" unit="mm" value="4.0" valueMax="5.0" valueMin="3.0">35 mm</quantity>
in diameter (
<figureCitation id="1329AFDA6066FFD5FECBD5608045BBF4" box="[264,330,1642,1667]" captionStart="FIGURE 3" captionStartId="4.[151,250,1789,1811]" captionTargetBox="[151,1436,195,1765]" captionTargetId="figure@4.[151,1436,195,1765]" captionTargetPageId="4" captionText="FIGURE 3. Erylus trisphaerus (de Laubenfels, 1953): A. Habit of specimen in alcohol. B. Perpendicular section of skeletal arrangement showing the cortex and radial spicular tracts. C. Orthotrienes and aspidasters in LM. D. Oxeas, aspidasters, and microxeas seen in SEM. E. Orthotriaene. F. Centrotylote microxea." httpUri="https://zenodo.org/record/238818/files/figure.png" pageId="3" pageNumber="154">Fig. 3</figureCitation>
A). The sponge measures
<quantity id="4CEA1EBA6066FFD5FDACD56083D8BBF4" box="[623,727,1642,1667]" metricMagnitude="-2" metricUnit="m" metricValue="5.75" metricValueMax="8.0" metricValueMin="3.5" pageId="3" pageNumber="154" unit="cm" value="5.75" valueMax="8.0" valueMin="3.5">3.58 cm</quantity>
in height and
<quantity id="4CEA1EBA6066FFD5FCBBD56082C4BBF4" box="[888,971,1642,1667]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" pageId="3" pageNumber="154" unit="cm" value="4.0" valueMax="5.0" valueMin="3.0">35 cm</quantity>
in width, the lobes
<quantity id="4CEA1EBA6066FFD5FB6AD560841EBBF4" box="[1193,1297,1642,1667]" metricMagnitude="-2" metricUnit="m" metricValue="2.75" metricValueMax="3.5" metricValueMin="2.0" pageId="3" pageNumber="154" unit="cm" value="2.75" valueMax="3.5" valueMin="2.0">23.5 cm</quantity>
in diameter. The surface is smooth, but when taken out of water it wrinkles as the sponge shrinks, and shows irregularly distributed ostia, 80110 µm in diameter and slightly sunken in. Oscules on top of the lobes and some lateral ones are less than
<quantity id="4CEA1EBA6066FFD5FEEAD5DC8065BB98" box="[297,362,1750,1774]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="3" pageNumber="154" unit="mm" value="1.0">1 mm</quantity>
in diameter, the latter
<typeStatus id="54A90DFD6066FFD5FDABD5DD8397BB99" box="[616,664,1751,1775]" pageId="3" pageNumber="154">type</typeStatus>
was surrounded by lighter color. Consistency is firmly compressible but easily frail. The color
<emphasis id="B9666F4D6066FFD5FE7CD5F18303BA64" box="[447,524,1787,1810]" italics="true" pageId="3" pageNumber="154">in vivo</emphasis>
is dark brown with scattered beige tinges, in alcohol it is blackish brown on top and beige at the base.
</paragraph>
<paragraph id="8BADB35F6066FFD5FF04D448841EBAB0" blockId="3.[151,1437,1533,1991]" pageId="3" pageNumber="154">
<emphasis id="B9666F4D6066FFD5FF04D4488021BA2D" bold="true" box="[199,302,1858,1883]" pageId="3" pageNumber="154">Skeleton</emphasis>
. The cortex consist of one layer, ca. 500 µm thick, of microxeas tangentially disposed, and below which another layer of aspidasters assembles. The choanosomal skeleton has a radial arrangement towards the surface formed by spicular tracts of oxeas and orthotriaenes going upward (
<figureCitation id="1329AFDA6066FFD5FC33D480853CBAD4" box="[1008,1075,1930,1955]" captionStart="FIGURE 3" captionStartId="4.[151,250,1789,1811]" captionTargetBox="[151,1436,195,1765]" captionTargetId="figure@4.[151,1436,195,1765]" captionTargetPageId="4" captionText="FIGURE 3. Erylus trisphaerus (de Laubenfels, 1953): A. Habit of specimen in alcohol. B. Perpendicular section of skeletal arrangement showing the cortex and radial spicular tracts. C. Orthotrienes and aspidasters in LM. D. Oxeas, aspidasters, and microxeas seen in SEM. E. Orthotriaene. F. Centrotylote microxea." httpUri="https://zenodo.org/record/238818/files/figure.png" pageId="3" pageNumber="154">Fig. 3</figureCitation>
B), and a confused arrangement in all directions towards the interior, among which microxeas, aspidasters and oxyasters are dispersed.
</paragraph>
<caption id="DF6DE3D76061FFD2FF54D5F78230BA26" httpUri="https://zenodo.org/record/238818/files/figure.png" pageId="4" pageNumber="155" targetBox="[151,1436,195,1765]" targetPageId="4">
<paragraph id="8BADB35F6061FFD2FF54D5F78230BA26" blockId="4.[151,1436,1789,1872]" pageId="4" pageNumber="155">
<emphasis id="B9666F4D6061FFD2FF54D5F78001BA64" bold="true" box="[151,270,1789,1811]" pageId="4" pageNumber="155">FIGURE 3</emphasis>
.
<taxonomicName id="4C12C8DC6061FFD2FEDFD5F780D6BA65" box="[284,473,1789,1811]" class="Demospongiae" family="Geodiidae" genus="Erylus" kingdom="Animalia" order="Astrophorida" pageId="4" pageNumber="155" phylum="Porifera" rank="species" species="trisphaerus">
<emphasis id="B9666F4D6061FFD2FEDFD5F780D6BA65" box="[284,473,1789,1811]" italics="true" pageId="4" pageNumber="155">Erylus trisphaerus</emphasis>
</taxonomicName>
(de Laubenfels, 1953): A. Habit of specimen in alcohol. B. Perpendicular section of skeletal arrangement showing the cortex and radial spicular tracts. C. Orthotrienes and aspidasters in LM. D. Oxeas, aspidasters, and microxeas seen in SEM. E. Orthotriaene. F. Centrotylote microxea.
</paragraph>
</caption>
<caption id="DF6DE3D76060FFD3FF54D6528291B8DD" httpUri="https://zenodo.org/record/238819/files/figure.png" pageId="5" pageNumber="156" targetBox="[340,1246,193,1345]" targetPageId="5">
<paragraph id="8BADB35F6060FFD3FF54D6528291B8DD" blockId="5.[151,1436,1368,1451]" pageId="5" pageNumber="156">
<emphasis id="B9666F4D6060FFD3FF54D6528000B81B" bold="true" box="[151,271,1368,1390]" pageId="5" pageNumber="156">FIGURE 4</emphasis>
. Spicule composition in
<taxonomicName id="4C12C8DC6060FFD3FDD0D65283DEB818" box="[531,721,1368,1390]" class="Demospongiae" family="Geodiidae" genus="Erylus" kingdom="Animalia" order="Astrophorida" pageId="5" pageNumber="156" phylum="Porifera" rank="species" species="trisphaerus">
<emphasis id="B9666F4D6060FFD3FDD0D65283DEB818" box="[531,721,1368,1390]" italics="true" pageId="5" pageNumber="156">Erylus trisphaerus</emphasis>
</taxonomicName>
(de Laubenfels, 1953): A. Trilobate aspidasters at different stages of development, (from left, mature, to right, early). B. Hilum detail of aspidaster. C. Chiasters I with microspined rays. D. Chiasters II, smaller and lightly microspined. E. Oxyasters, minutely spined.
</paragraph>
</caption>
<paragraph id="8BADB35F6060FFD3FF04D6DD83F4BBF6" blockId="5.[151,1437,1495,2024]" pageId="5" pageNumber="156">
<emphasis id="B9666F4D6060FFD3FF04D6DD8026B886" bold="true" box="[199,297,1495,1520]" pageId="5" pageNumber="156">Spicules</emphasis>
(
<figureCitation id="1329AFDA6060FFD3FE83D6DD809CB886" box="[320,403,1495,1520]" captionStart="FIGURE 3" captionStartId="4.[151,250,1789,1811]" captionTargetBox="[151,1436,195,1765]" captionTargetId="figure@4.[151,1436,195,1765]" captionTargetPageId="4" captionText="FIGURE 3. Erylus trisphaerus (de Laubenfels, 1953): A. Habit of specimen in alcohol. B. Perpendicular section of skeletal arrangement showing the cortex and radial spicular tracts. C. Orthotrienes and aspidasters in LM. D. Oxeas, aspidasters, and microxeas seen in SEM. E. Orthotriaene. F. Centrotylote microxea." httpUri="https://zenodo.org/record/238818/files/figure.png" pageId="5" pageNumber="156">Figs. 3</figureCitation>
CF, 4AE). Megascleres are fusiform oxeas slightly curved 620750 × 9.112 µm, orthotriaenes with rays in an equidistant angle, probably in two size classes, rhabds 250480 × 5.313 µm, clads 160210 µm. Microscleres: trilobulate aspidaster 70140 × 3036 µm, centrotylote microxeas 5272 × 2.63.9 µm, chiasters I with 56 rays with finely spined tips 24.657.2 µm in diameter, chiasters II 13.315.6 µm, and oxyasters with 916 micro-spined rays, 12.715.6 µm.
</paragraph>
</subSubSection>
<subSubSection id="C308E0D46060FFD3FF04D586820DBB9B" pageId="5" pageNumber="156" type="distribution">
<paragraph id="8BADB35F6060FFD3FF04D586820DBB9B" blockId="5.[151,1437,1495,2024]" pageId="5" pageNumber="156">
<emphasis id="B9666F4D6060FFD3FF04D58680FEBBD3" bold="true" box="[199,497,1676,1701]" pageId="5" pageNumber="156">Distribution and ecology</emphasis>
. Northeastern Gulf of
<collectingCountry id="F305F3CF6060FFD3FD3AD586825CBBD3" box="[761,851,1676,1701]" name="Mexico" pageId="5" pageNumber="156">Mexico</collectingCountry>
:
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depth (de
<bibRefCitation id="EF83CEAE6060FFD3FBF3D58685FEBBD3" author="Laubenfels" box="[1072,1265,1676,1701]" pageId="5" pageNumber="156" refString="Laubenfels, M. W. de (1953) Sponges from the Gulf of Mexico. Bulletin of Marine Science Gulf and Caribbean, 2, 511 - 557." type="journal article" year="1953">Laubenfels 1953</bibRefCitation>
), and north La Habana,
<collectingCountry id="F305F3CF6060FFD3FF38D5A58039BBBE" box="[251,310,1711,1736]" name="Cuba" pageId="5" pageNumber="156">Cuba</collectingCountry>
(
<bibRefCitation id="EF83CEAE6060FFD3FE87D5A580FFBBBE" author="Alcolado" box="[324,496,1711,1736]" pageId="5" pageNumber="156" refString="Alcolado, P. M. (1976) Lista de nuevos registros de poriferos para Cuba. Serie Oceanologica (Academia de Ciencias de Cuba), 36, 1 - 11." type="journal article" year="1976">Alcolado 1976</bibRefCitation>
). This is the first record for the species in Mexican waters of the southern GMx.
<collectingCountry id="F305F3CF6060FFD3FABED5BA8493BBBE" box="[1405,1436,1712,1736]" name="American Samoa" pageId="5" pageNumber="156">As</collectingCountry>
far as is known, the species inhabits reef environments.
</paragraph>
</subSubSection>
<subSubSection id="C308E0D46060FFD0FF04D5FD8082BC6B" lastPageId="6" lastPageNumber="157" pageId="5" pageNumber="156" type="discussion">
<paragraph id="8BADB35F6060FFD3FF04D5FD8339BAB3" blockId="5.[151,1437,1495,2024]" pageId="5" pageNumber="156">
<emphasis id="B9666F4D6060FFD3FF04D5FD803BBA66" bold="true" box="[199,308,1783,1808]" pageId="5" pageNumber="156">Remarks</emphasis>
.
<taxonomicName id="4C12C8DC6060FFD3FE81D5FD831EBA66" box="[322,529,1783,1808]" class="Demospongiae" family="Geodiidae" genus="Erylus" kingdom="Animalia" order="Astrophorida" pageId="5" pageNumber="156" phylum="Porifera" rank="species" species="trisphaerus">
<emphasis id="B9666F4D6060FFD3FE81D5FD831EBA66" box="[322,529,1783,1808]" italics="true" pageId="5" pageNumber="156">Erylus trisphaerus</emphasis>
</taxonomicName>
differs from its congeners in the West Indies by having trilobate aspidasters. The specimen herein reported has a massive shape with lobules, contrary to the spherical shape that de Laubenfels quote in the original description “…probably spherical, with a single central hollow indicating numerous smaller cavities…” this denotes the ease with which the body collapses when it is outside the water. Although
<bibRefCitation id="EF83CEAE6060FFD3FAF6D46E81EEBAD6" author="Alcolado" pageId="5" pageNumber="156" refString="Alcolado, P. M. (1976) Lista de nuevos registros de poriferos para Cuba. Serie Oceanologica (Academia de Ciencias de Cuba), 36, 1 - 11." type="journal article" year="1976">Alcolado (1976)</bibRefCitation>
lists this species for North
<collectingCountry id="F305F3CF6060FFD3FDE2D48D8350BAD6" box="[545,607,1927,1952]" name="Cuba" pageId="5" pageNumber="156">Cuba</collectingCountry>
, he does not provide a description or other visual material that could be used to compare between specimens.
</paragraph>
<paragraph id="8BADB35F6060FFD0FF04D4C58082BC6B" blockId="5.[151,1437,1495,2024]" lastBlockId="6.[151,1436,151,285]" lastPageId="6" lastPageNumber="157" pageId="5" pageNumber="156">
The species appears recorded in other northern localities from the Gulf of
<collectingCountry id="F305F3CF6060FFD3FBDDD4C58579BA9E" box="[1054,1142,1999,2024]" name="Mexico" pageId="5" pageNumber="156">Mexico</collectingCountry>
, however such references (
<bibRefCitation id="EF83CEAE6063FFD0FF5DD39D8010BDC6" author="Little" box="[158,287,151,176]" pageId="6" pageNumber="157" refString="Little, F. J. (1963) The sponge fauna of the St. George's Sound, Apalache Bay, and Panama City regions of the Florida Gulf coast. Tulane Studies in Zoology, 11, 31 - 71." type="journal article" year="1963">Little 1963</bibRefCitation>
;
<bibRefCitation id="EF83CEAE6063FFD0FEE9D39D80F3BDC6" author="Rutzler" box="[298,508,151,176]" pageId="6" pageNumber="157" refString="Rutzler, K., Soest, R. W. M. van &amp; Piatoni, C. (2009) Sponge (Porifera) of the Gulf of Mexico. In: Felder, D. L. &amp; Camp, D. K. (Eds.) Gulf of Mexico Origin, Waters, and Biota: Biodiversity. Texas A &amp; M University Press, Texas, pp. 1019 - 1104." type="book chapter" year="2009">
Rützler
<emphasis id="B9666F4D6063FFD0FE40D39380B3BDC6" box="[387,444,151,176]" italics="true" pageId="6" pageNumber="157">et al.</emphasis>
2009
</bibRefCitation>
) just cite the registration given by de Laubenfels in 1953. The lack of records from
<taxonomicName id="4C12C8DC6063FFD0FF54D3B7803ABDA3" box="[151,309,188,213]" class="Demospongiae" family="Geodiidae" genus="Erylus" kingdom="Animalia" order="Astrophorida" pageId="6" pageNumber="157" phylum="Porifera" rank="species" species="trisphaerus">
<emphasis id="B9666F4D6063FFD0FF54D3B7803ABDA3" box="[151,309,188,213]" italics="true" pageId="6" pageNumber="157">E. trisphaerus</emphasis>
</taxonomicName>
around the West Indies makes it a possible endemic species to the Gulf of
<collectingCountry id="F305F3CF6063FFD0FB42D3B685D5BDA3" box="[1153,1242,188,213]" name="Mexico" pageId="6" pageNumber="157">Mexico</collectingCountry>
. This new record for the Mexican coasts is particularly noteworthy because it has not been reported since the original description by de
<bibRefCitation id="EF83CEAE6063FFD0FF7BD20E8085BC6B" author="Laubenfels" box="[184,394,260,285]" pageId="6" pageNumber="157" refString="Laubenfels, M. W. de (1953) Sponges from the Gulf of Mexico. Bulletin of Marine Science Gulf and Caribbean, 2, 511 - 557." type="journal article" year="1953">Laubenfels (1953)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>