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About Seashore Creature Types:
The species in the Online Field Guide are divided into type categories based on shared characteristics or relationships. A silhouette illustration shows a representative species from each type. The list below tells which species are included in each type category.

Sponges and Corals
brain corals
corals
sponges

Plantlike Animals
hydroids
bryozoans
sponges
corals
sea fans

Sea Squirts
tunicates

Encrusting Animals
sponges

Flowerlike Animals
feather dusters
tube worms
sea cucumbers

Sea Anemones
anemones

Flatworms, Nudibranchs, and Sea Hares
nudibranchs
sea slugs
sea hares

Wormlike Animals
sea cucumbers
scale worms
fire worms
clam worms
tube worms

Barnacles
barnacles

Octopods and Squids
octopuses
squids

Jellylike Animals
comb jellies
jellyfishes
hydromedusae

Urchins and Sand Dollars
sea urchins
sand dollars
sea biscuits

Sea Stars and Sea Spiders
sea stars
sun stars
brittle and basket stars
sea spiders

Lobsters and Shrimps
beach fleas
shrimps
squillas
krill
lobsters

Crabs
crabs
fiddler crabs
horseshoe crabs
hermit crabs
mole crabs
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Abbreviations Used in this Online Field Guide
L = length, W = width
In range descriptions, n = north, s = south, e = east, w = west, and c = central.








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