Potamolepidae is a family of freshwater sponges, with seven genera:[1]
| Potamolepidae | |
|---|---|
| Uruguaya corallioides | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | Spongillida |
| Family: | Potamolepidae Brien, 1967 |
| Genera | |
|
See text. | |
Description
editThis family contains freshwater sponges with a variety of body shapes, ranging from encrusting, massive to arborescent with irregular lobes, ridges or branches.[2] They are smooth and range in consistency from rigid to hard and stone-like. Gemmules are located at the sponge base or strictly adhering to the substrate.[2]
When present, the ectosomal skeleton has microscleres in the dermal membrane. These take the form of slender oxeas (have pointed ends).[2]
The choanosomal skeleton is alveolate-reticulate. It is loose and irregular at the sponge base and notably dense at the surface and more. Spongin is very sparse. The megascleres are strongyles (have rounded ends), varying from smooth to granular or spiny with inflated ends. [2]
Distribution
editTropical areas off Africa, South America and around New Caledonia and Fiji.[2]
Genera
editThe following genera are recognised:[1]
- Cherokeesia Copeland, Manconi & Pronzato, 2015
- Echinospongilla Manconi & Pronzato, 2002
- Oncosclera Volkmer-Ribeiro, 1970
- Potamolepis Marshall, 1883
- Potamophloios Brien, 1970
- Sterrastrolepis Volkmer-Ribeiro & De Rosa Barbosa, 1978
- Uruguaya Carter, 1881
References
edit- ^ a b "Potamolepidae". World Register of Marine Species. Retrieved 24 July 2013.
- ^ a b c d e Manconi, Renata; Pronzato, Roberto (2002), Hooper, John N. A.; Van Soest, Rob W. M.; Willenz, Philippe (eds.), "Suborder Spongillina subord. nov.: Freshwater Sponges", Systema Porifera: A Guide to the Classification of Sponges, Boston, MA: Springer US, pp. 921–1019, doi:10.1007/978-1-4615-0747-5_97, ISBN 978-1-4615-0747-5, retrieved 2021-08-26
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