Contains

• arthropod

  Invertebrate having jointed limbs and a segmented body with an exoskeleton made of ch...

• echinoderm

  Marine invertebrates with tube feet and five-part radially symmetrical bodies.

• worm

  Any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida...

• mollusk

  Invertebrate having a soft unsegmented body usually enclosed in a shell.

• coelenterate

  Radially symmetrical animals having saclike bodies with only one opening and tentacles...

• ctenophore

  Biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes...

• foot

  Any of various organs of locomotion or attachment in invertebrates.

• exoskeleton

  The exterior protective or supporting structure or shell of many animals (especially...

• sponge

  Primitive multicellular marine animal whose porous body is supported by a fibrous skeletal...

• phoronid

  Hermaphrodite wormlike animal living in mud of the sea bottom.

• peristome

  Region around the mouth in various invertebrates.

• sea moss

  Sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular...

• ectoproct

  Sessile mossy aquatic animal having the anus of the polyp outside the crown of tentac...

• entoproct

  Any of various moss-like aquatic animals usually forming branching colonies; each polyp...

• Symbion pandora

  Only known species of Cycliophora; lives symbiotically attached to a lobster's lip...

• brachiopod

  Marine animal with bivalve shell having a pair of arms bearing tentacles for capturing...

• peanut worm

  Small unsegmented marine worm that when disturbed retracts its anterior portion into...

• rotifer

  Minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and...

• zoophyte

  Any of various invertebrate animals resembling a plant such as a sea anemone or coral or...

• woodborer

  Any of various insects or larvae or mollusks that bore into wood.