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New records of Eunapius fragilis (Leidy, 1851) and Ephydatia ƀuviatilis (Linnaeus, 1759) (Porifera, Spongillidae) in the Ebro River Basin (N Spain)This note represents a contribution to the knowledge of the presence of some species of freshwater sponges (Porifera, Spongillidae) in the Ebro River Basin.Two species (Eunapius fragilis and Ephydatia ƀuviatilis) collected in four rivers were identiſed.The presence of Eunapius fragilis in the Iberian Peninsula was conſrmed comparing spicules measurements with existing literature data.
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Oscoz et al. (2009) studied this question.
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