Calyptraeidae - slippersnail family
[information to be added]

Maine is home to 4 species in 2 genera. If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which genus your mussel belongs to, refer to the table below the species list.

   Crepidula (3 species)
      Crepidula convexa - convex slippersnail
      Crepidula fornicata - common Atlantic slippersnail
      Crepidula plana - eastern white slippersnail
   Crucibulum (1 species)
      Crucibulum striatum - striate cup-and-saucer

	char. 1	char. 2	char. 3	char. 4	char. 5	char. 6
Crepidula
Crucibulum striatum

Crepidula (slippersnail)
[information to be added]

red font = character state unique or nearly so	char. 1	char. 2	char. 3	char. 4	char. 5	char. 6
C. convexa
C. fornicata
C. plana

Crepidula convexa (convex slippersnail) - [information to be added]

Crepidula fornicata (common Atlantic slippersnail) - [information to be added]
   
(click on an image to enlarge)

Crepidula plana (eastern white slippersnail) - [information to be added]

Crucibulum (cup-and-saucer)
[information to be added]

Crucibulum striatum (striate cup-and-saucer) - [information to be added]