abalone 7 Associations

ear-shell gastropod (generic term) univalve (generic term)

allosaur 8 Associations

allosaurus theropod (generic term) theropod dinosaur (generic term) bird-footed dinosaur (generic term)

allosaurus 10 Associations

allosaur theropod (generic term) theropod dinosaur (generic term) bird-footed dinosaur (generic term)

alpine clubmoss 15 Associations

Lycopodium alpinum club moss (generic term) club-moss (generic term) lycopod (generic term)

ameba 5 Associations

amoeba rhizopod (generic term) rhizopodan (generic term)

amoeba 6 Associations

ameba rhizopod (generic term) rhizopodan (generic term)

ancylus fluviatilis 19 Associations

river limpet freshwater limpet Ancylus fluviatilis gastropod (generic term) univalve (generic term)

apatosaur 9 Associations

apatosaurus brontosaur brontosaurus thunder lizard Apatosaurus excelsus sauropod (generic term) sauropod dinosaur (generic term)

apatosaurus 11 Associations

apatosaur brontosaur brontosaurus thunder lizard Apatosaurus excelsus sauropod (generic term) sauropod dinosaur (generic term)

apatosaurus excelsus 20 Associations

apatosaur apatosaurus brontosaur brontosaurus thunder lizard Apatosaurus excelsus sauropod (generic term)

aplacophoran 12 Associations

solenogaster gastropod (generic term) univalve (generic term)

aplysia punctata 16 Associations

sea hare Aplysia punctata gastropod (generic term) univalve (generic term)

arachnid 8 Associations

arachnoid arthropod (generic term)

arachnoid 9 Associations

arachnid arthropod (generic term)

argonaut 8 Associations

paper nautilus nautilus Argonaut Argonauta argo octopod (generic term)

argonauta argo 14 Associations

paper nautilus nautilus Argonaut Argonauta argo octopod (generic term)

ark shell 9 Associations

bivalve (generic term) pelecypod (generic term) lamellibranch (generic term)

artemia salina 14 Associations

brine shrimp Artemia salina branchiopod crustacean (generic term) branchiopod (generic term) branchiopodan (generic term)

asian horseshoe crab 20 Associations

Asian horseshoe crab arthropod (generic term)

barosaur 8 Associations

barosaurus sauropod (generic term) sauropod dinosaur (generic term)