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Fernandez, J.C.C.; Rodriguez, P.R.D.; Santos, G.G.; Pinheiro, U.; Muricy, G. (2018). Taxonomy of deep-water tetillid sponges (Porifera, Demospongiae, Spirophorina) from Brazil, with description of three new species and new characters. Zootaxa. 4429 (1): 53-88.
300588
10.11646/zootaxa.4429.1.2 [view]
Fernandez, J.C.C.; Rodriguez, P.R.D.; Santos, G.G.; Pinheiro, U.; Muricy, G.
2018
Taxonomy of deep-water tetillid sponges (Porifera, Demospongiae, Spirophorina) from Brazil, with description of three new species and new characters
Zootaxa
4429 (1): 53-88
Publication
Available for editors  PDF available [request]
Since the 19th century the deep-sea sponges from Brazil have been studied and many of them are still being discovered. This study describes five species of tetillid sponges from deep waters of the Brazilian economic exclusive zone; three are new, one is a new occurrence, and another is a known species which is here analyzed. The new species found are: Cinachyrella clavaeformis sp. nov. from the Columbia Seamount (85 m depth), Cinachyrella strongylophora sp. nov. from the Almirante Saldanha Seamount (270 m depth) and Craniella curviclada sp. nov. from slope of the Espírito Santo Basin (500 m depth). The two new species of Cinachyrella possess microacanthoxeas like those found in Cinachyrella kuekenthali (Uliczka 1929); this last species occurs in Caribbean region (4–100 m depth) and in N, NE and SE Brazil (0.2–100 m depth). The type material of Craniella corticata (Boury-Esnault 1973); from NE Brazil (75 m depth), has been found to be a synonym of Cinachyrella kuekenthali. Craniella crustocorticata van Soest 2017; from the Guyana shelf and slope (618–500 m depth), is here reported from the slope of NE and SW Brazil (400–700 m depth). A disorganized choanosomal skeleton (in Cinachyrella clavaeformis sp. nov.), strongyles (in Cinachyrella strongylophora sp. nov.) and a single-layered cortex of tangential oxeas (in Craniella crustocorticata) are new diagnostic characters that have led us to propose slight amendments in the definitions of Cinachyrella Wilson 1925 and Craniella Schmidt 1870. We discuss these and other morphological characters as well as their usefulness in Tetillidae. The diversity, distribution and bathymetry of tetillid sponges from Brazil are discussed and our knowledge of the composition of deep-sea sponges (deeper than 100 m) off Brazil is updated.
Western Atlantic warm temperate to tropical
Systematics, Taxonomy
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Date
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2018-06-05 10:19:55Z
created
2018-06-05 13:15:00Z
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Holotype MNRJ 20961, geounit Eastern Brazil, identified as Craniella curviclada Fernandez, Rodriguez, Santos, Pinheiro & Muricy, 2018
Holotype MNRJ 5863, geounit Trindade and Martin Vaz Islands, identified as Cinachyrella clavaeformis Fernandez, Rodriguez, Santos, Pinheiro & Muricy, 2018
Holotype MNRJ 6015, geounit Eastern Brazil, identified as Cinachyrella strongylophora Fernandez, Rodriguez, Santos, Pinheiro & Muricy, 2018


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