Hydrodamalis gigas
Steller's sea cow
Odobenus divergens
Pacific walrus
mercow
sea cow
Dugong dugon
dugong
steller
Trichechus manatus
manatee
Pacific halibut
Hippoglossus stenolepsis
nothosaur
parahoxozoan
southern bottlenose whale
gray whale
Procellaria aequinoctialis
devilfish
grey whale
white-chinned petrel
Eschrichtius robustus
Eschrichtius gibbosus
prophaethontid
finback whale
common rorqual
finback
megawhaleback
fin whale
pantodontan
Balaenoptera physalus
ichthyosauromorph
metridiid
Photoblepharon
megamammal
Pacific bottlenose dolphin
chiltoniid
genus Siren
genus Photoblepharon
copepodid
oyster
solenocerid
Tursiops gilli
Japanese flying squid
chroniosuchian
American pipit
eryonoid
mongolepid
hyolith
multitubercolate