Suggestions of what mods you could bring, just suggestions, I don't know how you would handle permissions so I'll leave it up to you. I base my suggestions on what people like, they are not my choices.
1_ ARK WILD sivatherium, by wildwaghorn
2_ Compendium of Creatures: Barsboldia , By Realjimmybaguette,tristan...
3_Aussie Additions Diamantinasaurus, By nickbs2
4_Xiphias Creatures: Meiolania, by xiphias
5_Archetypes: Bombardier Beetle, by snappin
6_BigALs Carcha Rework (Large version), by bigal_swagbob
7_Creatures of Xiphias: Hatzegopteryx, by xiphias
8_Cyrus Creatures: Magna Gecko, By cyruscreates
9_Cyrus Tylosaurus, by moro
10_Cyrus Critters: Jumping Spider, By cyruscreates
11_Forgotten Fauna: Monolophosaurus, By schmitto
12_Dragon Kingdom, By scorchingkami
13_ARK WILD: COCKATRICE, by wildwaghorn
14_RETROSAURIA ASSEMBLY: LAELAPS, by eishkrooked553
15_Tristans Additional Creatures- Antrodemus, by Tristan
16_Moro Nothosaurus, By moro
17_Majungasaurus, by Nicks
Here are some more, but I think it will be difficult to get permissions for these.
Paleo Ark evolution Apex Predators, by upfromthedephts
TLC Acrocantosaurus , By garuga
TLC Archelon , By garuga
TLC Meraxes, by BigAls
PALEO ARK EVO+ NATIVE AQUATICS, by upfromthedephts
ARKOLOGY: New Encounters, By DragonHeart
Tristans Additional Creatures- Vectispinus, By Tristan
Tristans Additional Creatures- Eocarcharia, by Tristan