Neopetrosia subtriangularis (Duchassaing, 1850)

Ugalde, Diana, Fernandez, Julio C. C., Gómez, Patricia, Lôbo-Hajdu, Gisele & Simões, Nuno, 2021, An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs, Zootaxa 5031 (1), pp. 1-112 : 41-42

Neopetrosia subtriangularis (Duchassaing, 1850)

Tables 6, 7; Figs. 34A–C , 45C

Synonymy and references: Spongia subtriangularis Duchassaing (1850: 26) , and de Laubenfels (1936: 43); Thalysias subtriangularis Duchassaing & Michelotti (1864: 85) , and van Soest et al. (1983: 199); Thalysias subtriangularis var. cylindrica Duchassaing & Michelotti (1864: 85) , and van Soest et al (1983: 199); Schmidtia aulopora Schmidt (1870: 44) ; Pachychalina rugosa Arndt (1927: 154) ; Pachychalina rugosa var. rubens Arndt (1927: 54) , and van Soest (1980: 72); Neopetrosia longleyi de Laubenfels (1953: 519) ; de Laubenfels (1954: 83), Green (1977: 88); Haliclona doria de Laubenfels (1936: 458) , Green (1977: 86), Díaz et al. (1985: 53), and Hechtel (1965: 18); Haliclona longleyi de Laubenfels (1932: 37) , de Laubenfels (1936: 44), and de Laubenfels (1949: 10); Haliclona subtriangularis de Laubenfels (1936: 43) ; Xestospongia subtriangularis: Green et al. (1986: 137) , Gómez (2002: 89), see references compiled in Muricy et al. (2011: 107); Neopetrosia subtriangularis, Muricy et al. (2011: 107) , and van Soest (2017: 36) ―other references therein.

Type locality. St. Thomas .

Material examined. CNPGG-2413, Isla Verde reef (19.19844°N, - 96.06863°W), 8 m depth, coll. Diana Ugal- de, 28 August 2018 ; CNPGG-2435, Cabezo reef (19.05086°N, - 95.82388°W), 9 m depth, coll. Diana Ugalde, 30 August 2018 .

Distribution. Mexico ( Green 1977 as Haliclona doria ; Gómez 2002, 2007 as Xestospongia subtriangularis ; Maas-Vargas 2004; González-Gándara et al. 2009; current records), the Bahamas, US (Florida), other countries in the Caribbean Sea, Brazil ( van Soest 2017).

Remarks. Neopetrosia subtriangularis , is a common and widespread sponge at Veracruz Reefs Systems ( Green 1977; Gómez 2007; González-Gándara et al. 2009). It is also reported in the northern GoM ( Rützler et al. 2009).

Genus Petrosia Vosmaer, 1885

Subgenus Petrosia (Petrosia) Vosmaer, 1885

Figures

FIGURE 34. Neopetrosia subtriangularis (Duchassaing, 1850) (CNPGG-2435), skeleton and spicules: A. transversal section of the skeleton; B. oxeas, C. strongyle. Scale bars: A = 500 µm; B = 50 µm.

FIGURE 45. In situ photographs of species analyzed in the present study: A. Neopetrosia proxima Duchassaing & Michelotti, 1864 (CNPGG-2264); B. Neopetrosia proxima Duchassaing & Michelotti, 1864 (CNPGG-2376); C. Neopetrosia subtriangularis (Duchassaing, 1850) (CNPGG-2435); D. Petrosia (Petrosia) weinbergi van Soest, 1980 (CNPGG-2434). E. Xestospongia muta (Schmidt, 1870) (CNPGG-2230); F. Siphonodictyon xamaycaense Pulitzer-Finali, 1986 (CNPGG-2441), arrows pointing to fistules; G. Siphonodictyon xamaycaense Pulitzer-Finali, 1986 (CNPGG-2432); H. Clathria (Clathria) foliacea Topsent, 1889 (CNPGG-2172), its stem is covered by algae; I. Clathria (Clathria) gomezae van Soest, 2017 (CNPGG-2231); J. Clathria (Thalysias) venosa (Alcolado, 1984) (CNPGG-2410); K. Clathria (Thalysias) virgultosa (Esper, 1806) (CNPGG-2357). Scale bars, A–K = 1 cm.