Crepidula onyx

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1	NONINDIGENOUS SPECIES INFORMATION BULLETIN: New Zealand mudsnail, Potamopyrgus antipodarum (J. E. Gray, [removed]Mollusca: Hydrobiidae) IDENTIFICATION: New Zealand mudsnails are very small and have an operculum, a plate th Add to Reading List Source URL: fl.biology.usgs.gov Language: English - Date: 2002-09-04 15:34:04 New Zealand mud snail Potamopyrgus Valvata piscinalis Crepidula onyx Hydrobiidae Phyla Protostome
2	NONINDIGENOUS SPECIES INFORMATION BULLETIN: New Zealand mudsnail, Potamopyrgus antipodarum (J. E. Gray, [removed]Mollusca: Hydrobiidae) IDENTIFICATION: New Zealand mudsnails are very small and have an operculum, a plate th Add to Reading List Source URL: fl.biology.usgs.gov Language: English - Date: 2002-07-09 11:31:25 New Zealand mud snail Potamopyrgus Valvata piscinalis Crepidula onyx Hydrobiidae Phyla Protostome