Takara Tomy ARTS sea mammals

[sauroid]

i still need two more figures to complete the set
dugong

Monodon skeletal


walrus

humpback whale

[FreshSphere]

These are really neat. The humpback whale is awesome.

[widukind]

Interesting figurines 

[brontodocus]

They are lovely, especially the anatomy models, but you'd be missing three figures - the Orca skeleton, the secret (non-cutaway) Humpback Whale, and the other secret which was (if I remember correctly) an Irrawaddy Dolphin.