Desmanthus meandroides van Soest &amp; Hajdu 2000
Creators: name: Ugalde, Diana
name: Fernandez, Julio C. C.
name: Gómez, Patricia
name: Lôbo-Hajdu, Gisele
name: Simões, Nuno
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Fabales
Fabaceae
Desmanthus
Desmanthus meandroides

description: <i>Desmanthus meandroides</i> van Soest &amp; Hajdu, 2000 Tables 6, 7; Figs. 14A–I, 16N <b>Synonymy and references:</b> <i>Desmanthus meandroides</i> van Soest &amp; Hajdu (2000: 302) and Muricy <i>et al.</i> (2011: 143); <i>Desmanthus</i> sp.: see references compiled in Muricy <i>et al.</i> (2011: 143). <b>Type locality.</b> Brazil. <b>Material examined.</b> CNPGG-2389, Cayo Arcas reef (20.20988°N, - 91.96686°W), 4 m depth, coll. Oscar Bocardo, 26 august 2017. <b>Description.</b> Thinly encrusting habit (Fig. 16N); covering an area ca. 11 cm 2; up to 0.1 cm high. Surface hispid with several subectosomal channels in a very characteristic meandriform pattern. Pores or oscules not visible. Color <i>in vivo</i> orange and after fixation light beige. Consistency firm. <b>Skeleton.</b> Styles of several sizes are disposed perpendicular to the surface (Fig. 14A). Desmas in choanosomal region with rhabdomes pointing outwards although not reaching the surface (Fig. 14C). Several subectosomal channels visible (Fig. 14B). <b>Spicules.</b> Megascleres (Figs. 14D–I): Desmas I, cladomes (Fig: 14F); 70– <i>141</i> (37.9)–190/4– <i>6.3</i> (1.2)–7.2 µm. Desmas II (Figs. 14G–I), cladomes; 110– <i>153.7</i> (27.2)–200/7– <i>10.5</i> (2)–15 µm and rhabdomes; 70– <i>108.3</i> (31)– 180/10– <i>13.5</i> (4.2)–25 µm. Styles, slightly curved and smooth (Fig. 14D); 150– <i>383.7</i> (221.7)–760/3.5– <i>8.6</i> (3.6)–14 µm. <b>Distribution.</b> Mexico (current record), Brazil (van Soest &amp; Hajdu 2000). <b>Remarks.</b> Up to now, <i>Desmanthus meandroides</i> had been reported only in Brazil (van Soest &amp; Hajdu 2000; Moraes <i>et al.</i> 2006). Thus, our study is the first record of the species for the GoM. Our material has external morphological features (shape, color, and surface pattern) and spicules quite similar to the original description by van Soest &amp; Hajdu (2000). However, our material has, in general, smaller spicule sizes than the original; <i>viz.</i>, desmas I cladomes 155–291/5–6 µm, desmas II with cladomes 155–267/8–17 µm, rhabdomes 49–204/10–30 µm, and styles 126–834/8–10 µm. <b>Order Clionaida Morrow &amp; Cárdenas, 2015</b>
description: Published as part of <i>Ugalde, Diana, Fernandez, Julio C. C., Gómez, Patricia, Lôbo-Hajdu, Gisele &amp; Simões, Nuno, 2021, An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs, pp. 1-112 in Zootaxa 5031 (1)</i> on pages 21-22, DOI: 10.11646/zootaxa.5031.1.1, http://zenodo.org/record/5454380
description: {"references": ["van Soest, R. W. M. &amp; Hajdu, E. (2000) New species of Desmanthus (Porifera, Demospongiae) with a discussion of its ordinal relationships. Zoosystema, 22, 299 - 312.", "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.", "Moraes, F. C., Ventura, M., Klautau, M., Hajdu, E. &amp; Muricy, G. (2006) Biodiversidade de esponjas das ilhas oceanicas brasileiras. In: Alves, R. J. V. &amp; Castro, J. W. A. (Eds.), Ilhas Oceanicas Brasileiras - da pesquisa ao manejo. Secretaria de Biodiversidade e Florestas, Brasilia, pp. 147 - 178."]}