| actinopod | (noun) protozoa having stiff rodlike radiating pseudopods | - |
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| arthropod | (noun) invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin | - |
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| brachiopod | (adjective) of or belonging to the phylum Brachiopoda | Synonyms: brachiopodous |
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| (noun) marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide | Synonyms: lamp shell, lampshell |
| branchiopod | (adjective) of or relating to or characteristic of the subclass Branchiopoda | Synonyms: branchiopodan, branchiopodous |
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| (noun) aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding | Synonyms: branchiopod crustacean, branchiopodan |
| cephalopod | (adjective) relating or belonging to the class Cephalopoda | Synonyms: cephalopodan |
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| (noun) marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles | Synonyms: cephalopod mollusk |
| euronithopod | (noun) widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon) | Synonyms: Euronithopoda, Ornithopoda, suborder Euronithopoda, suborder Ornithopoda |
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| gastropod | (noun) a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes | Synonyms: univalve |
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| gnathopod | (noun) One of a set of three paired appendages on the thorax of a decapod crustacean, located just posterior to the maxillae and used in feeding. | Synonyms: maxilliped |
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| isopod | (noun) any of various small terrestrial or aquatic crustaceans with seven pairs of legs adapted for crawling | - |
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| lycopod | (noun) primitive evergreen moss-like plant with spores in club-shaped strobiles | Synonyms: club-moss, club moss |
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| octopod | (noun) a cephalopod with eight arms but lacking an internal shell | - |
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| ornithopod | (noun) bipedal herbivorous dinosaur | Synonyms: ornithopod dinosaur |
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| pleopod | (noun) one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming | Synonyms: swimmeret |
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| pseudopod | (noun) temporary outgrowth used by some microorganisms as an organ of feeding or locomotion | Synonyms: pseudopodium |
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| rhizopod | (noun) protozoa characterized by a pseudopod | Synonyms: rhizopodan |
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| sauropod | (noun) very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head on a long neck and tail and five-toed limbs; largest known land animal | Synonyms: sauropod dinosaur |
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| scaphopod | (noun) burrowing marine mollusk | - |
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| stomatopod | (noun) a kind of crustacean | Synonyms: stomatopod crustacean |
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| theropod | (noun) any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs | Synonyms: bird-footed dinosaur, theropod dinosaur |
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