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Ribbon Worm
- soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract
- soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract
Rotifera
- a phylum including: rotifers
Rotifer
- minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
Rotifers
- minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
Roundworm
- unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
- infections of the skin or nails caused by fungi and appearing as itching circular patches
Roundworms
- unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
- infections of the skin or nails caused by fungi and appearing as itching circular patches
Red Worm
- terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
- terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
River Limpet
- minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants
- minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants
Round Clam
- an edible American clam; the heavy shells were used as money by some American Indians
- Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes
- an edible American clam
- Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes
Razor Clam
- marine clam having a long narrow curved thin shell
- marine clam having a long narrow curved thin shell