Here are screenshots of the 'Shop' (528 654) mounts located in adcw:
Each mount egg requires '5 Green Sea Dragonballs' which can be purchased from the item mall for 70 Cubi-Gold Each, and is located under the 'LMSPW' Tab
Armadillo
Bainiuchang
Black Bear
Black Unicorn
Blue Tiger
Blue Dragon
Blue Tiger
Elephant
Faihu
Mega Dodo Bear
Midnight 2
Mystic Sika Deer
Peacock
Powerturtles
Rabbit
Red Creature
Red Dragon
Rhinoceros
Rising Frog
Snow Wolf
Thunder Rhinoceros
Warning Cloud
White Tiger
Yun Ma