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Bryozoans

      The Bryozoa, also known as Ectoprocta or commonly as moss animals, are a phylum of aquatic invertebrate animals. Typically about 0.5 millimetres (0.020 in) long, they are filter feeders that sieve food particles out of the water using a retractable lophophore, a "crown" of tentacles lined with cilia. Most marine species live in tropical waters, but a few occur in oceanic trenches, and others are found in polar waters. One class lives only in a variety of freshwater environments, and a few members of a mostly marine class prefer brackish water. Over 4,000 living species are known. One genus is solitary and the rest colonial. The phylum was originally called "Polyzoa", but this term was superseded by "Bryozoa" in 1831. Another group of animals discovered subsequently, whose filtering mechanism looked similar, was also included in "Bryozoa" until 1869, when the two groups were noted to be very different internally. The more recently discovered group were given the name Entoprocta, while the original "Bryozoa" were called "Ectoprocta". However, "Bryozoa" has remained the more widely used term for the latter group.

Source: en.wikipedia.org/wiki/Bryozoa
Semicoscinium YA24
Semicoscinium XA305
Semicoscinius sacculus JH274
Stenolaemata Borg, 1926 JH277
Stenolaemata Borg, 1926 JH279
Stenolaemata Borg, 1926 SZ89
Stenolaemata Borg, 1926 HL148
Stenolaemata Borg, 1926 HL149
Stenolaemata Borg, 1926 MŠ11774
Stenolaemata Borg, 1926 MŠ11781
Stenolaemata Borg, 1926 MŠ11785
Stenolaemata Borg, 1926 MŠ11787
Stenolaemata Borg, 1926 p5880
Stenolaemata Borg, 1926 MŠ1547
Stenolaemata Borg, 1926 MŠ2192
Stenolaemata Borg, 1926 MŠ2193
Stenolaemata Borg, 1926 JK18044
Stenolaemata Borg, 1926 SM221
Stenolaemata Borg, 1926Kácha a Šariè (2009), fig. 8B (attached bryozoans) RŠ559
Stenolaemata Borg, 1926 BB435

Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]