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9 Cards in this Set

  • Front
  • Back
Welks (Knobbed and )
1. High salinity, zone 3
Slipper Shells (Crepidula fornicata)
1. Pile-up on substrates
2. Form as males, when they get longer they turn to females
Amphipods (Smallmouth Flea and Spine-Backed Scud)
1. Crustaceans that are laterally compressed
1. Many setae and legs
2. Some crawl around, some never move
3. Sessile, lives in the sediment
1. Found in huge numbers
2. Epifauna, burrowers with their foot
3. Syphon tubes, incurrent (in) and excurrent (out)
Mya arenaria (Soft-Shelled Clams)
1. Mostly found in mid-bay salinities
2. Big foot and very long syphon tube
Mercenaria mercenaria (Hard-Shell)
1. Found in high salinity areas
1. Unequal length syphons
2. Chalky white shell
Gem and Rangia
1. Gem, smallest clam
2. Rangia, found in brackish water