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Potamothrix bavaricus
Species, Annelid, Freshwater, marine
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Potamothrix hammoniensis
Species, Annelid, Freshwater, marine
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Potamothrix moldaviensis
Species, Annelid, Freshwater, marine, terrestrial
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Potamothrix vejdovskyi
Species, Annelid, Freshwater, marine
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Pristina aequiseta
Species, Annelid, Freshwater, terrestrial
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Pristina idrensis
Species, Annelid, Freshwater, terrestrial
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Propappus volki
Species, Annelid, Freshwater, terrestrial
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Psammoryctides albicola
Species, Annelid, Freshwater, terrestrial
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Psammoryctides barbatus – Sludge worms
Species, Annelid, Freshwater, marine, terrestrial
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Pygospio elegans
Species, Annelid, Freshwater, marine
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Rhyacodrilus coccineus
Species, Annelid, Freshwater, terrestrial
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Rhyacodrilus falciformis
Species, Annelid, Freshwater, terrestrial
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Rhyacodrilus subterraneus
Species, Annelid, Freshwater, terrestrial
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Slavina appendiculata
Species, Annelid, Freshwater, marine, terrestrial
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Specaria josinae
Species, Annelid, Freshwater, terrestrial
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Spirosperma ferox
Species, Annelid, Freshwater, terrestrial
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Spirosperma velutinus
Species, Annelid, Freshwater, terrestrial
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Stylaria lacustris
Species, Annelid, Freshwater, marine, terrestrial
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Stylodrilus brachystylus
Species, Annelid, Freshwater, terrestrial
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Stylodrilus cernosvitovi
Species, Annelid, Freshwater, marine