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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 The phylum was originally called "Polyzoa", but this term was superseded by "Bryozoa" in 1831.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
Stenolaemata Borg, 1926 p5246
Stenolaemata Borg, 1926 M11791
Stenolaemata Borg, 1926 M11776
Stenolaemata Borg, 1926 M11779
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Stenolaemata Borg, 1926 p4917
Stenolaemata Borg, 1926 M2189
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Stenolaemata Borg, 1926 MM461
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Stenolaemata Borg, 1926 p1033
Stenolaemata Borg, 1926 JH263
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Stenolaemata Borg, 1926 M11790
Stenolaemata Borg, 1926 M11794
Stenolaemata Borg, 1926 M11795

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