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Choice: 47a
Body flat


Echinocyamus pusillus
Choice: 47b
Body more or less oval, one side flattened.

Order Spatangoidea
(Irregular Echinoids)
Choice: 47c
Body globular


Order Diadematoidea
(Regular Echinoids)
Choices made: 6
Remaining: 8
Excluded: 53
Page 47