Minecraft wiki entry for List_of_mob_textures, associated text: 1 Mobs
1.1 Current Mob Skins
1.1.1 Playable
1.1.2 Passive
1.1.3 Neutral
1.1.4 Hostile
1.1.5 Education Edition
1.1.6 Minecraft Earth
1.1.7 Mob Overlay Textures
1.2 Removed Mob Skins
2 Entities
2.1 Current Entity Skins
2.1.1 Entities that render as Items
2.2 Removed Entity Skins
3 Programmer Art
3.1 Mobs
3.2 Entities
4 Old Textures
4.1 Mobs
4.2 Entities