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<mods:title id="501F01765195DAD5BB58AB9B7FD09439">An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs</mods:title>
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<subSubSection id="D1B6652E4D194803FF53FD9D4A9A37B1" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="991336A54D194803FF53FD9D49EB379C" blockId="18.[151,666,618,681]" box="[151,666,618,645]" pageId="18" pageNumber="19">
<heading id="C25B81C94D194803FF53FD9D49EB379C" bold="true" box="[151,666,618,645]" fontSize="11" level="2" pageId="18" pageNumber="19" reason="4">
<taxonomicName id="5EAC4D264D194803FF53FD9D49EB379C" ID-CoL="6S5HD" authority="(de Laubenfels 1934)" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[151,666,618,645]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D194803FF53FD9D49EB379C" bold="true" box="[151,666,618,645]" pageId="18" pageNumber="19">
<emphasis id="ABD8EAB74D194803FF53FD9D4AFF379D" bold="true" box="[151,398,618,645]" italics="true" pageId="18" pageNumber="19">Myrmekioderma rea</emphasis>
(de
<bibRefCitation id="FD3D4B544D194803FE00FD9D49E3379C" author="Laubenfels, M. W. de" box="[452,658,618,644]" pageId="18" pageNumber="19" pagination="1 - 28" refId="ref77890" refString="Laubenfels, M. W. de (1934) New sponges from the Puerto Rican deep. Smithsonian Miscellaneous Collections, 91, 1 - 28." type="journal article" year="1934">Laubenfels 1934</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="991336A54D194803FF53FD784A9A37B1" blockId="18.[151,666,618,681]" box="[151,491,655,681]" pageId="18" pageNumber="19">
<tableCitation id="D42E031E4D194803FF53FD784B8637B1" box="[151,247,655,681]" captionStart="TABLE 6" captionStartId="93.[151,239,460,486]" captionText="TABLE 6. List of sponge species (Porifera, Demospongiae) recorded in this survey and their distribution in the coral reefs of the study area; * new record for the southern Gulf of Mexico, ** new records for the Gulf of Mexico. 1. Hornos Reef, 2. Isla de Enmedio Reef, 3. Isla Verde Reef, 4. Cabezo Reef, 5. Triangulo Este Reef, 6. Triangulo Oeste Reef, 7. Banco Nuevo Reef, 8. Banco Obispo Norte Reef, 9. Banco Obispo Sur Reef, 10. Banco Pera Reef, 11. Cayo Nuevo Reef, 12. Cayo Arcas Reef, 13. Cayo Arenas Reef, 14. Sisal Reef, 15. Chelem Lagoon, 16. Alacranes Reef, 17. Bajos del Norte Reef." pageId="18" pageNumber="19">Tables 6</tableCitation>
,
<tableCitation id="D42E031E4D194803FEC7FD784A6237B1" box="[259,275,655,681]" captionStart="TABLE 7" captionStartId="96.[151,239,466,492]" captionText="TABLE 7. Compiled list of species recorded historically in the southern Gulf of Mexico (Mexicos Exclusive Economic Zone within the Gulf of Mexico) arranged in alphabeti-" pageId="18" pageNumber="19">7</tableCitation>
;
<figureCitation id="01972A204D194803FEE4FD784AC237B1" box="[288,435,655,681]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="18" pageNumber="19">Figs. 12AG</figureCitation>
,
<figureCitation id="01972A204D194803FE7AFD784A9A37B1" box="[446,491,655,681]" captionStart="FIGURE 16" captionStartId="23.[151,250,1709,1733]" captionTargetBox="[282,1305,181,1685]" captionTargetId="figure-18@23.[282,1305,181,1685]" captionTargetPageId="23" captionText="FIGURE 16. In situ photographs of species analyzed in the present study: A. Agelas clathrodes (Schmidt, 1870) (CNPGG- 2297); B. Agelas conifera (Schmidt, 1870) (CNPGG-2373); C. Agelas dispar Duchassaing &amp; Michelotti, 1864 (CNPGG-2007); D. Agelas schmidtii Wilson, 1902 (CNPGG-2285);E. Agelas sventres Lehnert &amp; van Soest, 1996 (CNPGG-2285); F. Agelas wiedenmayeri Alcolado, 1984 (CNPGG-2476); G. Prosuberites carriebowensis Rützler, Piantoni, van Soest &amp; Díaz, 2014 (CNPGG-2211); H. Ectyoplasia ferox (Duchassaing &amp; Michelotti, 1864) (CNPGG-2407); I. Ectyoplasia ferox (Duchassaing &amp; Michelotti, 1864) (CNPGG-2240); J. Dragmacidon reticulatum (Ridley &amp; Dendy, 1886) (CNPGG-2283); K. Ptilocaulis walpersii (Duchassaing &amp; Michelotti, 1864) (CNPGG-2171); L. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261); M. Neofibularia nolitangere (Duchassaing &amp; Michelotti, 1864) (CNPGG-2206); N. Desmanthus meandroides van Soest &amp; Hajdu, 2000 (CNPGG-2389); O. Cliona aprica Pang, 1973 (CNPGG-2298). Scale bars, AO = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5454412" httpUri="https://zenodo.org/record/5454412/files/figure.png" pageId="18" pageNumber="19">16L</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="D1B6652E4D194803FF53FD214F7D3621" pageId="18" pageNumber="19" type="description">
<paragraph id="991336A54D194803FF53FD214F7D3621" blockId="18.[151,1437,726,1329]" pageId="18" pageNumber="19">
<emphasis id="ABD8EAB74D194803FF53FD214AA937E8" bold="true" box="[151,472,726,753]" pageId="18" pageNumber="19">Synonymy and references:</emphasis>
<taxonomicName id="5EAC4D264D194803FE25FD2048BE37E9" authority="de Laubenfels (1934: 11)" authorityName="de Laubenfels" authorityPageNumber="11" authorityYear="1934" box="[481,975,727,753]" class="Demospongiae" family="Heteroxyidae" genus="Anacanthaea" kingdom="Animalia" order="Axinellida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D194803FE25FD2049D237E8" box="[481,675,727,753]" italics="true" pageId="18" pageNumber="19">Anacanthaea rea</emphasis>
de
<bibRefCitation id="FD3D4B544D194803FD14FD2048BE37E9" author="Laubenfels, M. W. de" box="[720,975,727,753]" pageId="18" pageNumber="19" pagination="1 - 28" refId="ref77890" refString="Laubenfels, M. W. de (1934) New sponges from the Puerto Rican deep. Smithsonian Miscellaneous Collections, 91, 1 - 28." type="journal article" year="1934">Laubenfels (1934: 11)</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="5EAC4D264D194803FC19FD204FF037E8" baseAuthorityName="Laubenfels" baseAuthorityYear="1934" box="[989,1153,727,753]" class="Demospongiae" family="Halichondriidae" genus="Epipolasis" kingdom="Animalia" order="Suberitida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D194803FC19FD204FF037E8" box="[989,1153,727,753]" italics="true" pageId="18" pageNumber="19">Epipolasis rea</emphasis>
</taxonomicName>
,
<taxonomicName id="5EAC4D264D194803FB56FD204E1B37E8" authorityName="Diaz, Alvarez &amp; van Soest" authorityYear="1987" box="[1170,1386,727,753]" class="Demospongiae" family="Halichondriidae" genus="Epipolasis" kingdom="Animalia" order="Suberitida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="reiswigi">
<emphasis id="ABD8EAB74D194803FB56FD204E1B37E8" box="[1170,1386,727,753]" italics="true" pageId="18" pageNumber="19">Epipolasis reiswigi</emphasis>
</taxonomicName>
and
<taxonomicName id="5EAC4D264D194803FF53FD0C4AF3360C" authorityName="de Laubenfels" authorityYear="1953" box="[151,386,763,789]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="styx">
<emphasis id="ABD8EAB74D194803FF53FD0C4AF3360C" box="[151,386,763,789]" italics="true" pageId="18" pageNumber="19">Myrmekioderma styx</emphasis>
</taxonomicName>
: see references compiled in
<bibRefCitation id="FD3D4B544D194803FD7EFD0C48B4360E" author="Muricy, G. &amp; Lopes, D. A. &amp; Hajdu, E. &amp; Carvalho, M. D. S. &amp; Moraes, F. C. &amp; Klautau, M. &amp; Menegola, C. &amp; Pinheiro, U." box="[698,965,763,790]" pageId="18" pageNumber="19" refId="ref79280" refString="Muricy, G., Lopes, D. A., Hajdu, E., Carvalho, M. D. S., Moraes, F. C., Klautau, M., Menegola, C. &amp; Pinheiro, U. (2011) Catalogue of Brazilian Porifera. Serie livros 46. Museu Nacional, Rio de Janeiro, 300 pp." type="book" year="2011">
Muricy
<emphasis id="ABD8EAB74D194803FCD6FD0C4838360D" box="[786,841,763,789]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
(2011: 96)
</bibRefCitation>
;
<taxonomicName id="5EAC4D264D194803FC0BFD0C4BCE3622" authority=": Muricy et al. (2011: 96)" authorityName="Muricy" authorityPageNumber="96" authorityYear="2011" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D194803FC0BFD0C4FC3360C" box="[975,1202,763,789]" italics="true" pageId="18" pageNumber="19">Myrmekioderma rea</emphasis>
:
<bibRefCitation id="FD3D4B544D194803FB04FD0C4BCE3622" author="Muricy, G. &amp; Lopes, D. A. &amp; Hajdu, E. &amp; Carvalho, M. D. S. &amp; Moraes, F. C. &amp; Klautau, M. &amp; Menegola, C. &amp; Pinheiro, U." pageId="18" pageNumber="19" refId="ref79280" refString="Muricy, G., Lopes, D. A., Hajdu, E., Carvalho, M. D. S., Moraes, F. C., Klautau, M., Menegola, C. &amp; Pinheiro, U. (2011) Catalogue of Brazilian Porifera. Serie livros 46. Museu Nacional, Rio de Janeiro, 300 pp." type="book" year="2011">
Muricy
<emphasis id="ABD8EAB74D194803FADCFD0C4E3E360D" box="[1304,1359,763,789]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
(2011: 96)
</bibRefCitation>
</taxonomicName>
,
<bibRefCitation id="FD3D4B544D194803FF0FFCE84AAB3621" author="Rutzler, K. &amp; Piantoni, C. &amp; Van Soest, R. W. M. &amp; Diaz, M. C." box="[203,474,799,825]" pageId="18" pageNumber="19" pagination="1 - 129" refId="ref80693" refString="Rutzler, K., Piantoni, C., Van Soest, R. W. M. &amp; Diaz, M. C. (2014) Diversity of sponges (Porifera) from cryptic habitats on the Belize barrier reef near Carrie Bow Cay. Zootaxa, 3805 (1), 1 - 129. https: // doi. org / 10.11646 / zootaxa. 3805.1.1" type="journal article" year="2014">
Rützler
<emphasis id="ABD8EAB74D194803FEE0FCE84A2D3621" box="[292,348,799,825]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
(2014: 72)
</bibRefCitation>
,
<bibRefCitation id="FD3D4B544D194803FE22FCE849913621" author="Perez, T. &amp; Diaz, M. C. &amp; Ruiz, C. &amp; Condor-Lujan, B. &amp; Klautau, M. &amp; Hajdu, E. &amp; Lobo-Hajdu, G. &amp; Zea, S. &amp; Pomponi, S. A. &amp; Thacker, R. W. &amp; Carteron, S. &amp; Tollu, G. &amp; Pouget-Cuvelier, A. &amp; Thelamon, P. &amp; Marechal, J. P. &amp; Thomas, O. P. &amp; Ereskovsky, A. V. &amp; Vacelet, J. &amp; Boury-Esnault, N." box="[486,736,799,825]" pageId="18" pageNumber="19" pagination="0173859" refId="ref79850" refString="Perez, T., Diaz, M. C., Ruiz, C., Condor-Lujan, B., Klautau, M., Hajdu, E., Lobo-Hajdu, G., Zea, S., Pomponi, S. A., Thacker, R. W., Carteron, S., Tollu, G., Pouget-Cuvelier, A., Thelamon, P., Marechal, J. P., Thomas, O. P., Ereskovsky, A. V., Vacelet, J. &amp; Boury-Esnault, N. (2017) How a collaborative integrated taxonomic effort has trained new spongiologists and improved knowledge of Martinique Island (French Antilles, eastern Caribbean Sea) marine biodiversity. PLoS ONE, 12, e 0173859. https: // doi. org / 10.1371 / journal. pone. 0173859" type="journal article" year="2017">
Pérez
<emphasis id="ABD8EAB74D194803FDE8FCE849153621" box="[556,612,799,825]" italics="true" pageId="18" pageNumber="19">et al.</emphasis>
(2017: 11)
</bibRefCitation>
, and
<bibRefCitation id="FD3D4B544D194803FCD8FCE84F793621" author="van Soest, R. W. M." box="[796,1032,798,825]" pageId="18" pageNumber="19" pagination="1 - 225" refId="ref81605" refString="van Soest, R. W. M. (2017) Sponges of the Guyana Shelf. Zootaxa, 4217 (1), 1 - 225. https: // doi. org / 10.11646 / zootaxa. 4217.1.1" type="journal article" year="2017">van Soest (2017: 56)</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="D1B6652E4D194803FF03FCB44ADE36D1" pageId="18" pageNumber="19" type="materials_examined">
<paragraph id="991336A54D194803FF03FCB44A883645" blockId="18.[151,1437,726,1329]" box="[199,505,834,861]" pageId="18" pageNumber="19">
<materialsCitation id="29C43CF84D194803FF03FCB44A853645" box="[199,500,834,861]" country="Puerto Rico" location="Puerto Rico" pageId="18" pageNumber="19" specimenCount="1" typeStatus="holotype">
<emphasis id="ABD8EAB74D194803FF03FCB44A173644" bold="true" box="[199,358,834,861]" pageId="18" pageNumber="19">
<typeStatus id="461788074D194803FF03FCB44A733645" box="[199,258,835,861]" pageId="18" pageNumber="19">Type</typeStatus>
locality.
</emphasis>
<collectingCountry id="E1BB76354D194803FEA8FCB44A853645" box="[364,500,835,861]" name="Puerto Rico" pageId="18" pageNumber="19">Puerto Rico</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph id="991336A54D194803FF03FC914ADE36D1" blockId="18.[151,1437,726,1329]" pageId="18" pageNumber="19">
<emphasis id="ABD8EAB74D194803FF03FC914AC13698" bold="true" box="[199,432,870,896]" pageId="18" pageNumber="19">Material examined.</emphasis>
<materialsCitation id="29C43CF84D194803FE72FC904A9736BD" collectingDate="2017-09-10" collectorName="Oscar Bocardo" elevation="8" latitude="20.95629" location="Triangulo" longLatPrecision="1" longitude="-92.30861" pageId="18" pageNumber="19" specimenCount="1" stateProvince="Ouest">
CNPGG-2261,
<location id="9C73607E4D194803FDA6FC9049BE3699" LSID="urn:lsid:plazi:treatment:110587B34D194802FF53FD9D496D333B:9C73607E4D194803FDA6FC9049BE3699" box="[610,719,871,897]" latitude="20.95629" longLatPrecision="1" longitude="-92.30861" name="Triangulo" pageId="18" pageNumber="19" stateProvince="Ouest">Triangulo</location>
<collectingRegion id="5B68F8474D194803FD12FC9048673699" box="[726,790,871,897]" country="Haiti" name="Ouest" pageId="18" pageNumber="19">Oeste</collectingRegion>
reef (
<geoCoordinate id="FC9850624D194803FC91FC9148933699" box="[853,994,870,897]" degrees="20.95629" direction="north" orientation="latitude" pageId="18" pageNumber="19" precision="1" value="20.95629">20.95629°N</geoCoordinate>
, -
<geoCoordinate id="FC9850624D194803FC30FC904FE6369A" box="[1012,1175,871,898]" degrees="92.308609" direction="west" orientation="longitude" pageId="18" pageNumber="19" precision="1" value="-92.30861">92.308609°W</geoCoordinate>
),
<elevation id="1281D1964D194803FB6DFC904E6B3699" box="[1193,1306,871,897]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="18" pageNumber="19" unit="m" value="8.0">
<quantity id="5E549B404D194803FB6DFC904FA23699" box="[1193,1235,871,897]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="18" pageNumber="19" unit="m" value="8.0">8 m</quantity>
depth
</elevation>
, coll.
<collectorName id="345953734D194803FA9FFC904B8836BD" pageId="18" pageNumber="19">Oscar Bocardo</collectorName>
,
<date id="ED1210654D194803FEC2FC7C4A9736BD" box="[262,486,907,933]" pageId="18" pageNumber="19" value="2017-09-10">
<collectingDate id="FD56E98D4D194803FEC2FC7C4A9736BD" box="[262,486,907,933]" pageId="18" pageNumber="19" value="2017-09-10">10 September 2017</collectingDate>
</date>
</materialsCitation>
;
<materialsCitation id="29C43CF84D194803FE30FC7C4ADA36D1" collectingDate="2018-08-30" collectorName="Diana Ugalde" elevation="8" latitude="19.05086" location="Cabezo" longLatPrecision="1" longitude="-95.82388" pageId="18" pageNumber="19" specimenCount="1" stateProvince="Ouest">
CNPGG-2433,
<location id="9C73607E4D194803FD60FC7C498936BD" LSID="urn:lsid:plazi:treatment:110587B34D194802FF53FD9D496D333B:9C73607E4D194803FD60FC7C498936BD" box="[676,760,907,933]" latitude="19.05086" longLatPrecision="1" longitude="-95.82388" name="Cabezo" pageId="18" pageNumber="19" stateProvince="Ouest">Cabezo</location>
reef (
<geoCoordinate id="FC9850624D194803FCF9FC7D48B836BD" box="[829,969,906,933]" degrees="19.05086" direction="north" orientation="latitude" pageId="18" pageNumber="19" precision="1" value="19.05086">19.05086°N</geoCoordinate>
, -
<geoCoordinate id="FC9850624D194803FC1AFC7D4F0336BD" box="[990,1138,906,933]" degrees="95.82388" direction="west" orientation="longitude" pageId="18" pageNumber="19" precision="1" value="-95.82388">95.82388°W</geoCoordinate>
),
<elevation id="1281D1964D194803FB43FC7C4E6236BD" box="[1159,1299,907,933]" metricMagnitude="0" metricUnit="m" metricValue="8.3" pageId="18" pageNumber="19" unit="m" value="8.3">
<quantity id="5E549B404D194803FB43FC7C4FB836BD" box="[1159,1225,907,933]" metricMagnitude="0" metricUnit="m" metricValue="8.3" pageId="18" pageNumber="19" unit="m" value="8.3">8.3 m</quantity>
depth
</elevation>
, coll.
<collectorName id="345953734D194803FA9DFC7C4B9A36D1" pageId="18" pageNumber="19">Diana Ugalde</collectorName>
,
<date id="ED1210654D194803FF32FC584ADA36D1" box="[246,427,943,969]" pageId="18" pageNumber="19" value="2018-08-30">
<collectingDate id="FD56E98D4D194803FF32FC584ADA36D1" box="[246,427,943,969]" pageId="18" pageNumber="19" value="2018-08-30">30 August 2018</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="D1B6652E4D194802FF03FC254EF33459" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19" type="description">
<paragraph id="991336A54D194803FF03FC254F40312D" blockId="18.[151,1437,726,1329]" pageId="18" pageNumber="19">
<emphasis id="ABD8EAB74D194803FF03FC254A2836F4" bold="true" box="[199,345,978,1004]" pageId="18" pageNumber="19">Description.</emphasis>
Massive habit; larger specimen size 7.5 × 5 ×
<quantity id="5E549B404D194803FCA5FC2448E636F5" box="[865,919,979,1005]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="18" pageNumber="19" unit="cm" value="3.0">3 cm</quantity>
(
<figureCitation id="01972A204D194803FC63FC244F7D36F6" box="[935,1036,979,1006]" captionStart="FIGURE 16" captionStartId="23.[151,250,1709,1733]" captionTargetBox="[282,1305,181,1685]" captionTargetId="figure-18@23.[282,1305,181,1685]" captionTargetPageId="23" captionText="FIGURE 16. In situ photographs of species analyzed in the present study: A. Agelas clathrodes (Schmidt, 1870) (CNPGG- 2297); B. Agelas conifera (Schmidt, 1870) (CNPGG-2373); C. Agelas dispar Duchassaing &amp; Michelotti, 1864 (CNPGG-2007); D. Agelas schmidtii Wilson, 1902 (CNPGG-2285);E. Agelas sventres Lehnert &amp; van Soest, 1996 (CNPGG-2285); F. Agelas wiedenmayeri Alcolado, 1984 (CNPGG-2476); G. Prosuberites carriebowensis Rützler, Piantoni, van Soest &amp; Díaz, 2014 (CNPGG-2211); H. Ectyoplasia ferox (Duchassaing &amp; Michelotti, 1864) (CNPGG-2407); I. Ectyoplasia ferox (Duchassaing &amp; Michelotti, 1864) (CNPGG-2240); J. Dragmacidon reticulatum (Ridley &amp; Dendy, 1886) (CNPGG-2283); K. Ptilocaulis walpersii (Duchassaing &amp; Michelotti, 1864) (CNPGG-2171); L. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261); M. Neofibularia nolitangere (Duchassaing &amp; Michelotti, 1864) (CNPGG-2206); N. Desmanthus meandroides van Soest &amp; Hajdu, 2000 (CNPGG-2389); O. Cliona aprica Pang, 1973 (CNPGG-2298). Scale bars, AO = 1 cm." figureDoi="http://doi.org/10.5281/zenodo.5454412" httpUri="https://zenodo.org/record/5454412/files/figure.png" pageId="18" pageNumber="19">Fig. 16L</figureCitation>
). Surface slightly irregular, covered by sand and calcareous debris. Pores are not visible. Oscules scattered up to
<quantity id="5E549B404D194803FC23FC004F563109" box="[999,1063,1015,1041]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="18" pageNumber="19" unit="mm" value="2.0">2 mm</quantity>
diameter. Color
<emphasis id="ABD8EAB74D194803FB25FC004E5D3108" box="[1249,1324,1015,1040]" italics="true" pageId="18" pageNumber="19">in vivo</emphasis>
orangishyellow, pinkish beige preserved in ethanol. Consistency firm and slightly resilient.
</paragraph>
<paragraph id="991336A54D194803FF03FBC9484C3029" blockId="18.[151,1437,726,1329]" pageId="18" pageNumber="19">
<emphasis id="ABD8EAB74D194803FF03FBC94A443140" bold="true" box="[199,309,1086,1112]" pageId="18" pageNumber="19">Skeleton.</emphasis>
The ectosomal region is constituted by acanthoxeas perpendicular to the surface in a palisade-like structure (
<figureCitation id="01972A204D194803FECCFB944A013165" box="[264,368,1123,1149]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="18" pageNumber="19">Fig. 12A</figureCitation>
). Some acanthoxeas in a paratangential and criss-cross arrangement (
<figureCitation id="01972A204D194803FBB2FB944FAD3165" box="[1142,1244,1123,1149]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="18" pageNumber="19">Fig. 12B</figureCitation>
). It is covered by a crust of sand grains and calcareous debris, up to 200 µm thick. Choanosomal region with longitudinal tracts (up to 120 µm thick) of large oxeas towards the surface. The large oxeas are also scattered in between. Raphides scattered throughout the skeleton; in trichodragmas. Rounded channels, up to 100 µm diameter, are horizontally aligned beneath the palisade of acanthoxeas. Channels scattered in the choanosome, up to 130 µm in diameter. Scattered debris was also found in the choanosomal region (
<figureCitation id="01972A204D194803FD0DFAE048413029" box="[713,816,1303,1329]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="18" pageNumber="19">Fig. 12B</figureCitation>
).
</paragraph>
<caption id="CDD3662D4D194803FF53F88649A132EE" ID-DOI="http://doi.org/10.5281/zenodo.5454404" ID-Zenodo-Dep="5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="18" pageNumber="19" startId="18.[151,250,1905,1929]" targetBox="[151,1434,1353,1882]" targetPageId="18">
<paragraph id="991336A54D194803FF53F88649A132EE" blockId="18.[151,1437,1905,2038]" pageId="18" pageNumber="19">
<emphasis id="ABD8EAB74D194803FF53F8864A523292" bold="true" box="[151,291,1905,1930]" pageId="18" pageNumber="19">FIGURE 12.</emphasis>
<taxonomicName id="5EAC4D264D194803FEE9F885499C3291" authority="(de Laubenfels, 1934)" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[301,749,1906,1930]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="18" pageNumber="19" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D194803FEE9F8854A8E3291" box="[301,511,1906,1930]" italics="true" pageId="18" pageNumber="19">Myrmekioderma rea</emphasis>
(de
<bibRefCitation id="FD3D4B544D194803FDF6F88549973292" author="Laubenfels, M. W. de" box="[562,742,1906,1930]" pageId="18" pageNumber="19" pagination="1 - 28" refId="ref77890" refString="Laubenfels, M. W. de (1934) New sponges from the Puerto Rican deep. Smithsonian Miscellaneous Collections, 91, 1 - 28." type="journal article" year="1934">Laubenfels, 1934</bibRefCitation>
<emphasis id="ABD8EAB74D194803FD21F885499C3291" box="[741,749,1906,1929]" italics="true" pageId="18" pageNumber="19">)</emphasis>
</taxonomicName>
(CNPGG-2261), skeleton and spicules:
<emphasis id="ABD8EAB74D194803FB53F8864FDE3291" bold="true" box="[1175,1199,1905,1929]" pageId="18" pageNumber="19">A.</emphasis>
ectosomal region in a transversal section of the skeleton;
<emphasis id="ABD8EAB74D194803FDC0F861496A32B6" bold="true" box="[516,539,1942,1966]" pageId="18" pageNumber="19">B.</emphasis>
acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton,
<emphasis id="ABD8EAB74D194803FED9F84E4A4732C9" bold="true" box="[285,310,1977,2001]" pageId="18" pageNumber="19">C.</emphasis>
general view of stylote and strongylote oxeas, and acanthoxeas;
<emphasis id="ABD8EAB74D194803FC02F84D48AE32CA" bold="true" box="[966,991,1978,2002]" pageId="18" pageNumber="19">D.</emphasis>
strogylote oxea;
<emphasis id="ABD8EAB74D194803FB49F84D4FD532CA" bold="true" box="[1165,1188,1978,2002]" pageId="18" pageNumber="19">E.</emphasis>
oxea;
<emphasis id="ABD8EAB74D194803FB2CF84D4E6C32CA" bold="true" box="[1256,1309,1977,2002]" pageId="18" pageNumber="19">FG.</emphasis>
acanthoxea. Scale bars:
<emphasis id="ABD8EAB74D194803FEC8F82A4A4D32ED" bold="true" box="[268,316,2013,2037]" pageId="18" pageNumber="19">AB</emphasis>
= 200 µm; C = 100 µm; DG = 50 µm.
</paragraph>
</caption>
<paragraph id="991336A54D184802FF03FF614EF33459" blockId="19.[151,1437,150,681]" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FF03FF614A4135A8" bold="true" box="[199,304,150,176]" pageId="19" pageNumber="20">Spicules.</emphasis>
Megascleres: Large oxeas with styloid and strongylote modifications, stout, slightly curved to sinuous, some forms double bent, and smooth (
<figureCitation id="01972A204D184802FD4FFF4C498435CD" box="[651,757,187,213]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="19" pageNumber="20">Fig. 12C</figureCitation>
). The tips are conical, stepped, or blunt; 535
<emphasis id="ABD8EAB74D184802FACDFF4C4E4235CD" box="[1289,1331,187,213]" italics="true" pageId="19" pageNumber="20">807</emphasis>
(161.3) 1110/8
<emphasis id="ABD8EAB74D184802FF35FF284A5135E1" box="[241,288,223,249]" italics="true" pageId="19" pageNumber="20">11.5</emphasis>
(1.5)14 µm (
<figureCitation id="01972A204D184802FE7BFF28492335E1" box="[447,594,223,249]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="19" pageNumber="20">Figs. 12DE</figureCitation>
). Acanthoxeas are slightly curved to sinuous; some are double bent, covered irregularly with minute spines, sometimes smoother at the middle region (
<figureCitation id="01972A204D184802FC0CFEF44F283405" box="[968,1113,259,285]" captionStart="FIGURE 12" captionStartId="18.[151,250,1905,1929]" captionTargetBox="[151,1434,1353,1882]" captionTargetId="figure-418@18.[151,1435,1353,1882]" captionTargetPageId="18" captionText="FIGURE 12. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261), skeleton and spicules: A. ectosomal region in a transversal section of the skeleton; B. acanthoxeas in a paratangential and criss-cross arrangement in a transversal section of the skeleton, C. general view of stylote and strongylote oxeas, and acanthoxeas; D. strogylote oxea; E. oxea; FG. acanthoxea. Scale bars: AB = 200 µm; C = 100 µm; DG = 50 µm." figureDoi="http://doi.org/10.5281/zenodo.5454404" httpUri="https://zenodo.org/record/5454404/files/figure.png" pageId="19" pageNumber="20">Figs. 12FG</figureCitation>
). With sharp and acerate tips; 235
<emphasis id="ABD8EAB74D184802FF0BFED14B883458" box="[207,249,294,320]" italics="true" pageId="19" pageNumber="20">362</emphasis>
(48.9)420/7.2
<emphasis id="ABD8EAB74D184802FE71FED04A973459" box="[437,486,295,321]" italics="true" pageId="19" pageNumber="20">10.7</emphasis>
(2)14 µm. Microscleres: raphides very thin; 120
<emphasis id="ABD8EAB74D184802FBE7FED04F133459" box="[1059,1122,295,321]" italics="true" pageId="19" pageNumber="20">150.3</emphasis>
(20.7)180 µm in length.
</paragraph>
</subSubSection>
<subSubSection id="D1B6652E4D184802FF03FEBD498B3491" pageId="19" pageNumber="20" type="distribution">
<paragraph id="991336A54D184802FF03FEBD498B3491" blockId="19.[151,1437,150,681]" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FF03FEBD4A10347C" bold="true" box="[199,353,330,356]" pageId="19" pageNumber="20">Distribution.</emphasis>
<collectingCountry id="E1BB76354D184802FEACFEBC4ACF347D" box="[360,446,331,357]" name="Mexico" pageId="19" pageNumber="20">Mexico</collectingCountry>
(current records),
<collectingCountry id="E1BB76354D184802FD4AFEBC49C3347D" box="[654,690,331,357]" name="United States of America" pageId="19" pageNumber="20">US</collectingCountry>
(
<collectingRegion id="5B68F8474D184802FD04FEBC4866347E" box="[704,791,331,358]" country="United States of America" name="Florida" pageId="19" pageNumber="20">Florida</collectingRegion>
),
<collectingCountry id="E1BB76354D184802FCEEFEBC48E6347D" box="[810,919,331,357]" name="Barbados" pageId="19" pageNumber="20">Barbados</collectingCountry>
,
<collectingCountry id="E1BB76354D184802FC66FEBC4F7A347D" box="[930,1035,331,357]" name="Bahamas" pageId="19" pageNumber="20">Bahamas</collectingCountry>
,
<collectingCountry id="E1BB76354D184802FBD3FEBC4F24347D" box="[1047,1109,331,357]" name="Cuba" pageId="19" pageNumber="20">Cuba</collectingCountry>
, other countries in the Caribbean Sea (
<bibRefCitation id="FD3D4B544D184802FECEFE984AB23491" author="Diaz, M. C. &amp; Pomponi, S. A. &amp; van Soest, R. W. M." box="[266,451,367,393]" pageId="19" pageNumber="20" pagination="283 - 306" refId="ref75482" refString="Diaz, M. C., Pomponi, S. A. &amp; van Soest, R. W. M. (1993) A systematic revision of the central West Atlantic Halichondrida (Demospongiae, Porifera). Part III: Description of valid species. In: Uriz, M. J. &amp; Rutzler, K. (Eds.), Recent Advances in Ecology and Systematics of Sponges. Scientia Marina, 57 (4), 283 - 306." type="journal article" year="1993">
Diaz
<emphasis id="ABD8EAB74D184802FE8CFE984AF13491" box="[328,384,367,393]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
1993
</bibRefCitation>
);
<collectingCountry id="E1BB76354D184802FE13FE98495F3491" box="[471,558,367,393]" name="Guyana" pageId="19" pageNumber="20">Guyana</collectingCountry>
(
<bibRefCitation id="FD3D4B544D184802FDF9FE98499F3491" author="van Soest, R. W. M." box="[573,750,367,393]" pageId="19" pageNumber="20" pagination="1 - 225" refId="ref81605" refString="van Soest, R. W. M. (2017) Sponges of the Guyana Shelf. Zootaxa, 4217 (1), 1 - 225. https: // doi. org / 10.11646 / zootaxa. 4217.1.1" type="journal article" year="2017">van Soest 2017</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="D1B6652E4D184802FF03FE64496D333B" pageId="19" pageNumber="20" type="discussion">
<paragraph id="991336A54D184802FF03FE64488237B1" blockId="19.[151,1437,150,681]" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FF03FE644A4A34B5" bold="true" box="[199,315,403,429]" pageId="19" pageNumber="20">Remarks.</emphasis>
<bibRefCitation id="FD3D4B544D184802FE86FE64497434B5" author="van Soest, R. W. M." box="[322,517,403,429]" pageId="19" pageNumber="20" pagination="1 - 225" refId="ref81605" refString="van Soest, R. W. M. (2017) Sponges of the Guyana Shelf. Zootaxa, 4217 (1), 1 - 225. https: // doi. org / 10.11646 / zootaxa. 4217.1.1" type="journal article" year="2017">Van Soest (2017)</bibRefCitation>
believed the observed variability in Guyanas specimens obtained from the same trawl (
<quantity id="5E549B404D184802FF26FE404A6F34C9" box="[226,286,439,465]" metricMagnitude="1" metricUnit="m" metricValue="9.8" pageId="19" pageNumber="20" unit="m" value="98.0">98 m</quantity>
and
<quantity id="5E549B404D184802FE93FE414AE334C9" box="[343,402,438,465]" metricMagnitude="1" metricUnit="m" metricValue="6.5" pageId="19" pageNumber="20" unit="m" value="65.0">65 m</quantity>
depth) was intraspecific. He observed variation in the habit (i.e., broad knoll, club-shaped body or finger-shaped body) and spiculation (i.e., the shape of oxeas and number of categories of oxeas and raphides). We extend this intraspecific variation of
<taxonomicName id="5EAC4D264D184802FD6EFE0849853700" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[682,756,511,536]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="19" pageNumber="20" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D184802FD6EFE0849853700" box="[682,756,511,536]" italics="true" pageId="19" pageNumber="20">M. rea</emphasis>
</taxonomicName>
by considering specimens from
<collectingCountry id="E1BB76354D184802FBA2FE084FDF3701" box="[1126,1198,511,537]" name="Belize" pageId="19" pageNumber="20">Belize</collectingCountry>
(
<bibRefCitation id="FD3D4B544D184802FB79FE084EE43701" author="Rutzler, K. &amp; Piantoni, C. &amp; Van Soest, R. W. M. &amp; Diaz, M. C." box="[1213,1429,511,537]" pageId="19" pageNumber="20" pagination="1 - 129" refId="ref80693" refString="Rutzler, K., Piantoni, C., Van Soest, R. W. M. &amp; Diaz, M. C. (2014) Diversity of sponges (Porifera) from cryptic habitats on the Belize barrier reef near Carrie Bow Cay. Zootaxa, 3805 (1), 1 - 129. https: // doi. org / 10.11646 / zootaxa. 3805.1.1" type="journal article" year="2014">
Rützler
<emphasis id="ABD8EAB74D184802FADEFE084E223701" box="[1306,1363,511,537]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
2014
</bibRefCitation>
) and the GoM (present study), both no deeper than
<specimenCount id="8FAAFD2C4D184802FD1DFDD4486A3725" box="[729,795,547,573]" pageId="19" pageNumber="20" type="generic">
<quantity id="5E549B404D184802FD1DFDD448663725" box="[729,791,547,573]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="19" pageNumber="20" unit="m" value="20.0">20 m</quantity>
.
</specimenCount>
These specimens have massive cushion shape habits. In adition, spicule measurements of the Mexican specimens analyzed in our study (particularly of oxeas) are thinner than those in specimens from
<collectingCountry id="E1BB76354D184802FE35FD9C4948379D" box="[497,569,619,645]" name="Belize" pageId="19" pageNumber="20">Belize</collectingCountry>
and
<collectingCountry id="E1BB76354D184802FDB0FD9C49BE379D" box="[628,719,619,645]" name="Guyana" pageId="19" pageNumber="20">Guyana</collectingCountry>
. However, in general, our materials spicule measurements are more similar to specimens from
<collectingCountry id="E1BB76354D184802FDC6FD78493B37B1" box="[514,586,655,681]" name="Belize" pageId="19" pageNumber="20">Belize</collectingCountry>
than the ones from
<collectingCountry id="E1BB76354D184802FCEDFD7848F137B1" box="[809,896,655,681]" name="Guyana" pageId="19" pageNumber="20">Guyana</collectingCountry>
(
<tableCitation id="D42E031E4D184802FC4BFD78489337B1" box="[911,994,655,681]" captionStart="TABLE 1" captionStartId="19.[151,239,728,752]" captionText="TABLE 1. Previous and current records of Myrmekioderma rea (de Laubenfels 1934), locality and spicule dimensions reported. Micrometric data is presented as minimummaximum length/minimummaximum thickness; in µm." pageId="19" pageNumber="20">Table 1</tableCitation>
).
</paragraph>
<caption id="CDD3662D4D184802FF53FD2F4E41360D" pageId="19" pageNumber="20" startId="19.[151,239,728,752]">
<paragraph id="991336A54D184802FF53FD2F4E41360D" blockId="19.[151,1436,728,789]" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FF53FD2F4A7A37E8" bold="true" box="[151,267,728,752]" pageId="19" pageNumber="20">TABLE 1.</emphasis>
Previous and current records of
<taxonomicName id="5EAC4D264D184802FDB4FD2F4F4D37E9" authority="(de Laubenfels 1934)" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[624,1084,728,753]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="19" pageNumber="20" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D184802FDB4FD2F483A37E8" box="[624,843,728,752]" italics="true" pageId="19" pageNumber="20">Myrmekioderma rea</emphasis>
(de
<bibRefCitation id="FD3D4B544D184802FCB9FD2F4F4437E9" author="Laubenfels, M. W. de" box="[893,1077,728,753]" pageId="19" pageNumber="20" pagination="1 - 28" refId="ref77890" refString="Laubenfels, M. W. de (1934) New sponges from the Puerto Rican deep. Smithsonian Miscellaneous Collections, 91, 1 - 28." type="journal article" year="1934">Laubenfels 1934</bibRefCitation>
)
</taxonomicName>
, locality and spicule dimensions reported. Micrometric data is presented as minimummaximum length/minimummaximum thickness; in µm.
</paragraph>
</caption>
<paragraph id="991336A54D184802FF62FCD34E38316A" pageId="19" pageNumber="20">
<table id="EBACC4054D18B7EEFF62FCD34E38316A" box="[166,1353,804,1138]" gridcols="5" gridrows="6" pageId="19" pageNumber="20">
<tr id="279C34E74D18B7EEFF62FCD34E383624" box="[166,1353,804,828]" gridrow="0" pageId="19" pageNumber="20">
<th id="644D5D9B4D18B7EEFF62FCD34A0C3624" box="[166,381,804,828]" gridcol="0" gridrow="0" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FF62FCD34B843624" bold="true" box="[166,245,804,828]" pageId="19" pageNumber="20">Author</emphasis>
</th>
<th id="644D5D9B4D18B7EEFE73FCD349263624" box="[439,599,804,828]" gridcol="1" gridrow="0" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FE73FCD349613624" bold="true" box="[439,528,804,828]" pageId="19" pageNumber="20">Locality</emphasis>
</th>
<th id="644D5D9B4D18B7EEFD55FCD3480D3624" box="[657,892,804,828]" gridcol="2" gridrow="0" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FD55FCD349A23624" bold="true" box="[657,723,804,828]" pageId="19" pageNumber="20">Oxeas</emphasis>
</th>
<th id="644D5D9B4D18B7EEFC68FCD34F063624" box="[940,1143,804,828]" gridcol="3" gridrow="0" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FC68FCD34F473624" bold="true" box="[940,1078,804,828]" pageId="19" pageNumber="20">Acanthoxeas</emphasis>
</th>
<th id="644D5D9B4D18B7EEFB0AFCD34E383624" box="[1230,1353,804,828]" gridcol="4" gridrow="0" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FB0AFCD34E423624" bold="true" box="[1230,1331,804,828]" pageId="19" pageNumber="20">Raphides</emphasis>
</th>
</tr>
<tr id="279C34E74D18B7EEFF62FCBB4E3836B4" box="[166,1353,844,940]" gridrow="1" pageId="19" pageNumber="20">
<th id="644D5D9B4D18B7EEFF62FCBB4A0C36B4" box="[166,381,844,940]" gridcol="0" gridrow="1" pageId="19" pageNumber="20">
<bibRefCitation id="FD3D4B544D184802FF62FCBA4A20367D" author="van Soest, R. W. M." box="[166,337,845,869]" pageId="19" pageNumber="20" pagination="1 - 225" refId="ref81605" refString="van Soest, R. W. M. (2017) Sponges of the Guyana Shelf. Zootaxa, 4217 (1), 1 - 225. https: // doi. org / 10.11646 / zootaxa. 4217.1.1" type="journal article" year="2017">van Soest (2017)</bibRefCitation>
</th>
<td id="644D5D9B4D18B7EEFE73FCBB492636B4" box="[439,599,844,940]" gridcol="1" gridrow="1" pageId="19" pageNumber="20">Guyana Shelf</td>
<td id="644D5D9B4D18B7EEFD55FCBB480D36B4" box="[657,892,844,940]" gridcol="2" gridrow="1" pageId="19" pageNumber="20">I: 664978/1939, II: 345522/1116, III: 111360/614</td>
<td id="644D5D9B4D18B7EEFC68FCBB4F0636B4" box="[940,1143,844,940]" gridcol="3" gridrow="1" pageId="19" pageNumber="20">111360/614</td>
<td id="644D5D9B4D18B7EEFB0AFCBB4E3836B4" box="[1230,1353,844,940]" gridcol="4" gridrow="1" pageId="19" pageNumber="20">40120/&lt;1</td>
</tr>
<tr id="279C34E74D18B7EEFF62FC4A4E3836CD" box="[166,1353,957,981]" gridrow="2" pageId="19" pageNumber="20">
<th id="644D5D9B4D18B7EEFF62FC4A4A0C36CD" box="[166,381,957,981]" gridcol="0" gridrow="2" pageId="19" pageNumber="20">
<bibRefCitation id="FD3D4B544D184802FF62FC4A4A0236CD" author="Rutzler, K. &amp; Piantoni, C. &amp; Van Soest, R. W. M. &amp; Diaz, M. C." box="[166,371,957,981]" pageId="19" pageNumber="20" pagination="1 - 129" refId="ref80693" refString="Rutzler, K., Piantoni, C., Van Soest, R. W. M. &amp; Diaz, M. C. (2014) Diversity of sponges (Porifera) from cryptic habitats on the Belize barrier reef near Carrie Bow Cay. Zootaxa, 3805 (1), 1 - 129. https: // doi. org / 10.11646 / zootaxa. 3805.1.1" type="journal article" year="2014">
Rützler
<emphasis id="ABD8EAB74D184802FF32FC494A5B36CD" box="[246,298,957,981]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
(2014)
</bibRefCitation>
</th>
<td id="644D5D9B4D18B7EEFE73FC4A492636CD" box="[439,599,957,981]" gridcol="1" gridrow="2" pageId="19" pageNumber="20">Belize</td>
<td id="644D5D9B4D18B7EEFD55FC4A480D36CD" box="[657,892,957,981]" gridcol="2" gridrow="2" pageId="19" pageNumber="20">6801000/1834</td>
<td id="644D5D9B4D18B7EEFC68FC4A4F0636CD" box="[940,1143,957,981]" gridcol="3" gridrow="2" pageId="19" pageNumber="20">226410/815</td>
<td id="644D5D9B4D18B7EEFB0AFC4A4E3836CD" box="[1230,1353,957,981]" gridcol="4" gridrow="2" pageId="19" pageNumber="20">110/&lt;1</td>
</tr>
<tr id="279C34E74D18B7EEFF62FC124E3836E5" box="[166,1353,997,1021]" gridrow="3" pageId="19" pageNumber="20">
<th id="644D5D9B4D18B7EEFF62FC124A0C36E5" box="[166,381,997,1021]" gridcol="0" gridrow="3" pageId="19" pageNumber="20">
<bibRefCitation id="FD3D4B544D184802FF62FC124A0536E5" author="Mothes, B. &amp; Campos, M. A. &amp; Lerner, C. B. &amp; Ferreira-Correia, M. M." box="[166,372,997,1021]" pageId="19" pageNumber="20" pagination="149 - 154" refId="ref79096" refString="Mothes, B., Campos, M. A., Lerner, C. B. &amp; Ferreira-Correia, M. M. (2004) Esponjas (Demospongiae, Halichondrida) da costa do Maranhao, Brasil. Iheringia, Serie Zoologia, 92, 149 - 154. https: // doi. org / 10.1590 / S 0073 - 47212004000200006" type="journal article" year="2004">
Mothes
<emphasis id="ABD8EAB74D184802FF3CFC114A5436E5" box="[248,293,997,1021]" italics="true" pageId="19" pageNumber="20">et al</emphasis>
. (2004)
</bibRefCitation>
</th>
<td id="644D5D9B4D18B7EEFE73FC12492636E5" box="[439,599,997,1021]" gridcol="1" gridrow="3" pageId="19" pageNumber="20">Northern Brazil</td>
<td id="644D5D9B4D18B7EEFD55FC12480D36E5" box="[657,892,997,1021]" gridcol="2" gridrow="3" pageId="19" pageNumber="20">731.5978.5/18.432.2</td>
<td id="644D5D9B4D18B7EEFC68FC124F0636E5" box="[940,1143,997,1021]" gridcol="3" gridrow="3" pageId="19" pageNumber="20">209351.5/4.611.5</td>
<td id="644D5D9B4D18B7EEFB0AFC124E3836E5" box="[1230,1353,997,1021]" gridcol="4" gridrow="3" pageId="19" pageNumber="20">Absent</td>
</tr>
<tr id="279C34E74D18B7EEFF62FBFA4E383151" box="[166,1353,1037,1097]" gridrow="4" pageId="19" pageNumber="20">
<th id="644D5D9B4D18B7EEFF62FBFA4A0C3151" box="[166,381,1037,1097]" gridcol="0" gridrow="4" pageId="19" pageNumber="20">
<bibRefCitation id="FD3D4B544D184802FF62FBFA4A0C313D" author="Rosa-Barbosa, R." box="[166,381,1037,1061]" pageId="19" pageNumber="20" pagination="119 - 128" refId="ref80360" refString="Rosa-Barbosa, R. (1995) Primeiro registro de Myrmekioderma styx Laubenfels, 1953 (PoriferaDemospongiae) no Atlantico Sudoeste com novos aportes para a caracterizacao da especie. Biociencias, 3, 119 - 128." type="journal article" year="1995">Rosa-Barbosa (1995)</bibRefCitation>
</th>
<td id="644D5D9B4D18B7EEFE73FBFA49263151" box="[439,599,1037,1097]" gridcol="1" gridrow="4" pageId="19" pageNumber="20">Rio Grande, Brazil</td>
<td id="644D5D9B4D18B7EEFD55FBFA480D3151" box="[657,892,1037,1097]" gridcol="2" gridrow="4" pageId="19" pageNumber="20">313.71604.4/94.7</td>
<td id="644D5D9B4D18B7EEFC68FBFA4F063151" box="[940,1143,1037,1097]" gridcol="3" gridrow="4" pageId="19" pageNumber="20">184622.8/5.925.7</td>
<td id="644D5D9B4D18B7EEFB0AFBFA4E383151" box="[1230,1353,1037,1097]" gridcol="4" gridrow="4" pageId="19" pageNumber="20">90166/3</td>
</tr>
<tr id="279C34E74D18B7EEFF62FBAE4E38316A" box="[166,1353,1113,1138]" gridrow="5" pageId="19" pageNumber="20">
<th id="644D5D9B4D18B7EEFF62FBAE4A0C316A" box="[166,381,1113,1138]" gridcol="0" gridrow="5" pageId="19" pageNumber="20">Current records</th>
<td id="644D5D9B4D18B7EEFE73FBAE4926316A" box="[439,599,1113,1138]" gridcol="1" gridrow="5" pageId="19" pageNumber="20">Gulf of Mexico</td>
<td id="644D5D9B4D18B7EEFD55FBAE480D316A" box="[657,892,1113,1138]" gridcol="2" gridrow="5" pageId="19" pageNumber="20">5351110/814 µm</td>
<td id="644D5D9B4D18B7EEFC68FBAE4F06316A" box="[940,1143,1113,1138]" gridcol="3" gridrow="5" pageId="19" pageNumber="20">235420/7.214</td>
<td id="644D5D9B4D18B7EEFB0AFBAE4E38316A" box="[1230,1353,1113,1138]" gridcol="4" gridrow="5" pageId="19" pageNumber="20">120180/&lt;1</td>
</tr>
</table>
</paragraph>
<paragraph id="991336A54D184802FF03FB56488F30AF" blockId="19.[151,1437,1185,1464]" pageId="19" pageNumber="20">
Intraspecific variation of
<taxonomicName id="5EAC4D264D184802FE24FB5649B531A3" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[480,708,1185,1211]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="19" pageNumber="20" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D184802FE24FB5649B531A3" box="[480,708,1185,1211]" italics="true" pageId="19" pageNumber="20">Myrmekioderma rea</emphasis>
</taxonomicName>
can be observed in Brazilian specimens too (
<bibRefCitation id="FD3D4B544D184802FB7CFB564EE931A4" author="Rosa-Barbosa, R." box="[1208,1432,1185,1212]" pageId="19" pageNumber="20" pagination="119 - 128" refId="ref80360" refString="Rosa-Barbosa, R. (1995) Primeiro registro de Myrmekioderma styx Laubenfels, 1953 (PoriferaDemospongiae) no Atlantico Sudoeste com novos aportes para a caracterizacao da especie. Biociencias, 3, 119 - 128." type="journal article" year="1995">Rosa-Barbosa 1995</bibRefCitation>
,
<bibRefCitation id="FD3D4B544D184802FF53FB324A0631C7" author="Mothes, B. &amp; Campos, M. A. &amp; Lerner, C. B. &amp; Ferreira-Correia, M. M." box="[151,375,1221,1247]" pageId="19" pageNumber="20" pagination="149 - 154" refId="ref79096" refString="Mothes, B., Campos, M. A., Lerner, C. B. &amp; Ferreira-Correia, M. M. (2004) Esponjas (Demospongiae, Halichondrida) da costa do Maranhao, Brasil. Iheringia, Serie Zoologia, 92, 149 - 154. https: // doi. org / 10.1590 / S 0073 - 47212004000200006" type="journal article" year="2004">
Mothes
<emphasis id="ABD8EAB74D184802FF32FB314A4331C7" box="[246,306,1221,1247]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
2004
</bibRefCitation>
,
<bibRefCitation id="FD3D4B544D184802FE42FB324AB231F8" author="Mothes, B. &amp; Lerner, C. B. &amp; Silva, C. M. M." box="[390,451,1221,1248]" pageId="19" pageNumber="20" refId="ref79161" refString="Mothes, B., Lerner, C. B. &amp; Silva, C. M. M. (2006) Guia ilustrado de esponjas marinhas da costa sul-brasileira. 2 nd Edition. USEB, Pelotas, 119 pp." type="book" year="2006">2006</bibRefCitation>
). They were all reported with a massive habit, similar to our materials and Belizes (
<bibRefCitation id="FD3D4B544D184802FF5BFB1E4A07301B" author="Rutzler, K. &amp; Piantoni, C. &amp; Van Soest, R. W. M. &amp; Diaz, M. C." box="[159,374,1257,1283]" pageId="19" pageNumber="20" pagination="1 - 129" refId="ref80693" refString="Rutzler, K., Piantoni, C., Van Soest, R. W. M. &amp; Diaz, M. C. (2014) Diversity of sponges (Porifera) from cryptic habitats on the Belize barrier reef near Carrie Bow Cay. Zootaxa, 3805 (1), 1 - 129. https: // doi. org / 10.11646 / zootaxa. 3805.1.1" type="journal article" year="2014">
Rützler
<emphasis id="ABD8EAB74D184802FF3EFB1D4A42301B" box="[250,307,1257,1283]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
2014
</bibRefCitation>
), but devoid of raphides in northern
<collectingCountry id="E1BB76354D184802FCD4FB1E4825301B" box="[784,852,1257,1283]" name="Brazil" pageId="19" pageNumber="20">Brazil</collectingCountry>
(
<bibRefCitation id="FD3D4B544D184802FCA7FB1E4F4D301B" author="Mothes, B. &amp; Campos, M. A. &amp; Lerner, C. B. &amp; Ferreira-Correia, M. M." box="[867,1084,1257,1283]" pageId="19" pageNumber="20" pagination="149 - 154" refId="ref79096" refString="Mothes, B., Campos, M. A., Lerner, C. B. &amp; Ferreira-Correia, M. M. (2004) Esponjas (Demospongiae, Halichondrida) da costa do Maranhao, Brasil. Iheringia, Serie Zoologia, 92, 149 - 154. https: // doi. org / 10.1590 / S 0073 - 47212004000200006" type="journal article" year="2004">
Mothes
<emphasis id="ABD8EAB74D184802FC05FB1D4888301B" box="[961,1017,1257,1283]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
2004
</bibRefCitation>
), and possessing styles (744.2 1497/1023.9 µm) and small trichodragmas (2392/4.613 µm) in materials reported by
<bibRefCitation id="FD3D4B544D184802FBB2FAFA4E2A3030" author="Mothes, B. &amp; Lerner, C. B. &amp; Silva, C. M. M." box="[1142,1371,1293,1320]" pageId="19" pageNumber="20" refId="ref79161" refString="Mothes, B., Lerner, C. B. &amp; Silva, C. M. M. (2006) Guia ilustrado de esponjas marinhas da costa sul-brasileira. 2 nd Edition. USEB, Pelotas, 119 pp." type="book" year="2006">
Mothes
<emphasis id="ABD8EAB74D184802FB14FAF94E79303F" box="[1232,1288,1293,1319]" italics="true" pageId="19" pageNumber="20">et al.</emphasis>
(2006)
</bibRefCitation>
, from southern
<collectingCountry id="E1BB76354D184802FF3BFAC64A363053" box="[255,327,1329,1355]" name="Brazil" pageId="19" pageNumber="20">Brazil</collectingCountry>
. These variations deviate from typical spiculation of
<taxonomicName id="5EAC4D264D184802FC59FAC548973053" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[925,998,1330,1355]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="19" pageNumber="20" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D184802FC59FAC548973053" box="[925,998,1330,1355]" italics="true" pageId="19" pageNumber="20">M. rea</emphasis>
</taxonomicName>
in specimens from
<collectingCountry id="E1BB76354D184802FB01FAC64E6E3053" box="[1221,1311,1329,1355]" name="Guyana" pageId="19" pageNumber="20">Guyana</collectingCountry>
, the Caribbean region, and the GoM (our material) (
<tableCitation id="D42E031E4D184802FDABFAA249B23077" box="[623,707,1365,1391]" captionStart="TABLE 1" captionStartId="19.[151,239,728,752]" captionText="TABLE 1. Previous and current records of Myrmekioderma rea (de Laubenfels 1934), locality and spicule dimensions reported. Micrometric data is presented as minimummaximum length/minimummaximum thickness; in µm." pageId="19" pageNumber="20">Table 1</tableCitation>
). Previous and the present records of
<taxonomicName id="5EAC4D264D184802FBABFAA14FC83077" baseAuthorityName="de Laubenfels" baseAuthorityYear="1934" box="[1135,1209,1366,1391]" class="Demospongiae" family="Heteroxyidae" genus="Myrmekioderma" kingdom="Animalia" order="Axinellida" pageId="19" pageNumber="20" phylum="Porifera" rank="species" species="rea">
<emphasis id="ABD8EAB74D184802FBABFAA14FC83077" box="[1135,1209,1366,1391]" italics="true" pageId="19" pageNumber="20">M. rea</emphasis>
</taxonomicName>
are from shallow to mesophotic depths on coral reefs (de
<bibRefCitation id="FD3D4B544D184802FDFAFA8E498C308C" author="Laubenfels, M. W. de" box="[574,765,1401,1428]" pageId="19" pageNumber="20" pagination="511 - 557" refId="ref78120" refString="Laubenfels, M. W. de (1953) Sponges from the Gulf of Mexico. Bullentin of Marine Science of the Gulf and Caribbean, 2, 511 - 557." type="journal article" year="1953">Laubenfels 1953</bibRefCitation>
;
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;
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Díaz
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. 1993
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<bibRefCitation id="FD3D4B544D184802FACDFA8E4BA230AF" author="Rutzler, K. &amp; Piantoni, C. &amp; Van Soest, R. W. M. &amp; Diaz, M. C." pageId="19" pageNumber="20" pagination="1 - 129" refId="ref80693" refString="Rutzler, K., Piantoni, C., Van Soest, R. W. M. &amp; Diaz, M. C. (2014) Diversity of sponges (Porifera) from cryptic habitats on the Belize barrier reef near Carrie Bow Cay. Zootaxa, 3805 (1), 1 - 129. https: // doi. org / 10.11646 / zootaxa. 3805.1.1" type="journal article" year="2014">
Rützler
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), and from muddy sand bottoms down to
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depth (
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).
</paragraph>
<paragraph id="991336A54D184802FF53F9FE496D333B" blockId="19.[151,540,1545,1571]" box="[151,540,1545,1571]" pageId="19" pageNumber="20">
<emphasis id="ABD8EAB74D184802FF53F9FE496D333B" bold="true" box="[151,540,1545,1571]" pageId="19" pageNumber="20">
Order
<taxonomicName id="5EAC4D264D184802FF28F9FE496D333B" authority="Morrow, 2013" authorityName="Morrow" authorityYear="2013" box="[236,540,1545,1571]" class="Demospongiae" kingdom="Animalia" order="Biemnida" pageId="19" pageNumber="20" phylum="Porifera" rank="order">Biemnida Morrow, 2013</taxonomicName>
</emphasis>
</paragraph>
</subSubSection>
</treatment>
</document>