English > invertebrate: 2 senses > noun 1, animal| Meaning | Any animal lacking a backbone or notochord; the term is not used as a scientific classification. |
|---|
| Category of | exoskeleton | The exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs |
|---|
| Parts | foot, invertebrate foot | Any of various organs of locomotion or attachment in invertebrates |
|---|
| peristome | region around the mouth in various invertebrates |
| Narrower | Symbion pandora | Only known species of Cycliophora |
|---|
| arthropod | invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin |
| brachiopod, lamp shell, lampshell | marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food |
| bryozoan, polyzoan, sea mat, sea moss, moss animal | sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles |
| coelenterate, cnidarian | radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures |
| ctenophore, comb jelly | biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb |
| echinoderm | marine invertebrates with tube feet and five-part radially symmetrical bodies |
| ectoproct | sessile mossy aquatic animal having the anus of the polyp outside the crown of tentacles |
| entoproct | Any of various moss-like aquatic animals usually forming branching colonies |
| mollusk, mollusc, shellfish | invertebrate having a soft unsegmented body usually enclosed in a shell |
| peanut worm, sipunculid | small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut |
| phoronid | hermaphrodite wormlike animal living in mud of the sea bottom |
| rotifer | minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion |
| sponge, poriferan, parazoan | Primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework |
| woodborer, borer | Any of various insects or larvae or mollusks that bore into wood |
| worm | Any of numerous relatively small elongated soft-bodied animals especially of the phyla ... / phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes |
| zoophyte | Any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge |
| Broader | animal, animate being, beast, brute, creature, fauna | A living organism characterized by voluntary movement |
|---|
| Spanish | invertebrado |
|---|
| Catalan | invertebrat |
|---|
