| Dictyonellidae | |
|---|---|
 | |
| Acanthella acuta | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | Bubarida |
| Family: | Dictyonellidae Van Soest, Diaz & Pomponi, 1990 |
| Genera | |
See text | |
Dictyonellidae is a family of sponges in the order Bubarida, [1] based on the genus DictyonellaSchmidt, 1868.
It may be noted that Dictyonellida Cooper, 1956 is, however, a brachiopod order [2] based on DictyonellaHall, 1868 (now Eodictyonella Wright, 1994). [3]
Polymastia is a genus of sea sponges containing about 30 species. These are small to large encrusting or dome-shaped sponges with a smooth surface having many teat-shaped projections (papillae). In areas of strong wave action, this genus does not grow the teat structures, but instead grows in a corrugated form.
Halichondriidae is a family of sea sponges belonging to the order Suberitida. These sponges have a skeleton consisting of dense bundles of spicules occurring in a more or less random pattern.
Halichondria is a genus of sea sponges belonging to the family Halichondriidae. These are massive, amorphous sponges with clearly separated inner and outer skeletons consisting of bundles of spicules arranged in a seemingly random pattern.
Spongia is a genus of marine sponges in the family Spongiidae, originally described by Carl Linnaeus in 1759, containing more than 60 species. Some species, including Spongia officinalis, are used as cleaning tools, but have mostly been replaced in that use by synthetic or plant material.
Axinellidae is a family of sponges in the order Axinellida.
Tethya is a genus of sea sponges belonging to the family Tethyidae. Members of this genus all have a spherical body form and some are known to be able to move at speeds of between 1 and 4 mm per day.
Clathria is a large genus of demosponges in the family Microcionidae.
Haliclona is a genus of demosponges in the family Chalinidae.
Chondrilla is a genus of sea sponges belonging to the family Chondrillidae.
The Buildwas Formation, formerly called Wenlock Shale and Buildwas Beds, is a geologic formation in Shropshire, England. It preserves fossils dating back to the Silurian period. The formation is the defining formation of the Sheinwoodian age of the Wenlock epoch, the Middle Silurian.
Clathria (Clathria) is a subgenus of demosponge in the family Microcionidae.
Eodictyonella is a genus of rhynchonelliform brachiopods belonging to the extinct class Chileata. It is characterised by a non-strophic shell covered by a net-like ornament. Like in most chileates, the perforation in the umbonal region of the ventral valve is covered by a colleplax. Eodictyonella is known from the Ordovician to the Lower Devonian.
Acanthella is a genus of sponges in the family Dictyonellidae, which was first described in 1862 by Eduard Oscar Schmidt. The type species is Acanthella acuta Schmidt, 1862.
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