When I’ve entered my game I’ve got a mysterious aquatic incubator glitch. It had 10 aquatic species in it.
Epics :
Mosasaurus
Megalodon
Dunkleosteus
Kronosaurus
Rares :
Prognathtodon
Dakosaurus
Styxosaurus
Commons :
Leptocleidus
Psephoderma
Ammonite
Edit : happy April fools day