The Following are a list of subjects used in pictures of the Naucean (N) and Kazea (K). Perhaps we can use this to draw our equivalents of things we are missing as well as think up some more. For everyone Else who has pictures too feel free to copy the list and repost by filling in what pictures you have in common or add ones neither of us did. Note some categories have more than one picture about it. Such as warriors, I have a warrior for each age but i did not make a category for each.

Abduction - N

Aircraft – N, K

Anatomy – N, K

Astronauts – N, K

Bombs – N, K

Blimps / Airships – N, K

Boats – N

Cars – N, K

Cities – N, K

Clothing – N, K

Coins / Money – N, K

Computers – N, K

Death / Burial – N

Deity(ies) - N

Diet – N, K

Disasters - K

Diseases / Plague - N

Domestic Creatures – N, K

Drugs – N, K

Dwellings / Habitats – N, K

Evolution Chart – N, K

Fire Pit – N

Genetics – N, K

Globe – N

Growth Cycle – N, K

Guns – N, K

Hunting – N

Journalism - K

Leaders - K, N

Map (Biome) – N, K

Map (Political) – N, K

Mating – N

Mechs – N, K

Media Devices - N, K

Mounted Creatures – N, K

Movies – N, K

Music – N

Musical Instruments – N

Numbers / Alphabet – N

Offspring Care – N

Other Species – N, K

Pilots – N, K

Police - K, N

Power Plants - K

Prisoners – N, K

Races / Tribes – N, K

Rockets - K

Religion – N, K

Robots - N

Season / Calendar – N, K

Skeleton – N, K

Slavery – N

Solar System – N, K

Sports – N

Steam Powered Machines – N, K

Submarines – N, K

Swimming – N

Tanks - K

UFOs – N, K

Utensils - N

Weapons – N, K

Warrior – N, K

Wonders / Landmarks – N