Spongillidae

[spən′jil·ə‚dē]

(invertebrate zoology)

A family of fresh- and brackish water sponges in the order Haplosclerida which are chiefly gray, brown, or white in color, and encrusting, massive, or branching in form.

Spongillidae

a family of freshwater invertebrates of the order Keratosa. Found on underwater objects in the form of irregular or treelike overgrowths 1 m high. Their color is green, yellow, or cinnamon-brown. The skeleton consists of siliceous spicules connected by an organic substance called spongin. The Spongillidae are widespread throughout the world. Sixteen genera are known; of these, four live in the rivers and lakes of the USSR. They reproduce either sexually or by budding. In the temperate zone the sponges die off, forming a large number of so-called winter buds or gemmules—spherical bodies (less than 1 mm in diameter) enclosed in a strong protective membrane. In the spring the gemmules germinate into young sponges. Spongillidae may do harm by settling in water pipes and clogging them. Powder made from dry Spongillidae is a popular remedy rubbed into the skin in the form of ointment for rheumatic and other pains.

REFERENCE

Rezvoi, P. D. “Presnovodnye gubki.” Moscow-Leningrad, 1936. (Fauna SSSR, vol. 2. issue 2.)

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References in periodicals archive ?

At least six genera of freshwater sponges inhabit the western gulf slope drainages (Old, 1936; Sublette, 1957; Poirrier, 1972; Davis, 1980a, 1980b; Manconi and Pronzato, 2005), but only Davis (1980a, 1980b) documents occurrence of Class Demospongiae: Spongillidae in streams west of the Gulf Coastal Plain ecoregion of Texas.

Metaniidae, Metschnikowiidae, Paleospongillidae, Potamolepidae, Spongillidae.

First record and habitat associations of Spongilla cenota (Class Demospongiae) within streams of the Edwards Plateau, Texas, USA

Distribucion geografica de las esponjas argentinas (Porifera: Spongillidae, Potamolepidae y Metaniidae).

Arqueoestratigrafia de referencia para el registro de la ocupacion humana durante los siglos XVI y XVII en la localidad Esteco I, Departamento de Anta, Salta, Argentina

Spongillidae is the only identified family of sponges found in North American fresh waters.

A report of freshwater sponge (Porifera: Spongillidae) in central Nebraska

Five species of sponges, belonging to five genera and two families (Table II) were detected occupying distinct substrates on the Brazilian bank of the Itaipu Lake: Trochospongilla repens (Hinde, 1888; Figure 14), Corvospongilla seckti Bonetto & Ezcurra de Drago, 1966 (Figures 9-11, 15) and Radiospongilla amazonensis Volkmer-Ribeiro & Maciel, 1983 (Figure 16), the three belonging to the Spongillidae Gray, 1867 family, Oncosclera navicella (Carter, 1881; Figure 13), and Potamophloios guairensis n.

Colonization of hydroelectric reservoirs in Brazil by freshwater sponges, with special attention on Itaipu/Colonizacion de reservorios de plantas hidroelectricas en Brasil por esponjas de agua dulce, con enfasis en el de Itaipu/Colonizacao de reservatorios de hidroeletricas no Brasil por esponjas de agua doce, com destaque para o de Itaipu

Most studied species are associated with Spongillidae or usually collected as free-swimming individuals.

Revision of the subgenus Unionicola (Acari: Unionicolidae)

Contribution a l'etude l'embryogenese des Spongillidae.

Cytochemical observations of larval development in Eunapius fragilis (Leidy): Porifera; Spongillidae.

Transdifferentiation of larval flagellated cells to choanocytes in the metamorphosis of the demosponge Haliclona permollis

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