Hymedesmia (Hymedesmia) agariciicola

Rützler, Klaus, Piantoni, Carla, Van, Rob W. M. & Díaz, Cristina, 2014, Diversity of sponges (Porifera) from cryptic habitats on the Belize barrier reef near Carrie Bow Cay, Zootaxa 3805 (1), pp. 1-129 : 65

publication ID

https://doi.org/ 10.11646/zootaxa.3805.1.1

publication LSID

lsid:zoobank.org:pub:F0B7652D-6E64-44CE-9181-5A10C8D594C7

DOI

https://doi.org/10.5281/zenodo.6130342

persistent identifier

https://treatment.plazi.org/id/C23A87C6-FFF3-FF98-FF11-FB5D1D74F90B

treatment provided by

Plazi

scientific name

Hymedesmia (Hymedesmia) agariciicola
status

 

Hymedesmia (Hymedesmia) agariciicola View in CoL van Soest, 1984

Synonymy and references. Hymedesmia agariciicola van Soest, 1984a: 82, fig. 31.

Material. USNM 1229056, Curlew Bank forereef cave, 20 m; C. Piantoni col. 28 Jun 2007.

External morphology. Thin crust covering the basal body of another sponge ( Oceanapia bartschi ), about 35 cm 2 area; smooth surface, a few inconspicuous oscula of less than 1 mm diameter. Live color is orange red.

Skeleton structure. Acanthostyles (two size classes) in the choanosome, erect, held by a basal sponging plate. Tornotes positioned tangentially in the ectosome. Chelas in between the megascleres.

Spicules. Tornotes, very thin, slightly thicker just before the points: 175–230 x 1–3 (198 x 2) Μm; acanthostyles I: 150–210 x 7–5 (179 x 11) Μm; acanthostyles II: 50– 80 x 5–10 (66 x 8) Μm; chelas I: 30–40 (35) Μm; chelas II: 17–23 (20) Μm

Ecology. Encrusting another sponge ( Oceanapia bartschi ) in a forereef cave, 20 m.

Distribution. Netherlands Antilles and Belize, probably Caribbean-wide.

Comments. All spicule dimensions are larger than those reported for the holotype but all other morphological features agree well.

USNM

Smithsonian Institution, National Museum of Natural History

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