Modifiers matching human:

• extinct,
• carnivorous,
• ancient,
• fossil,
• primitive,
• modern,

Simple categories matching carnivorous:

• mammal,
• invertebrate,
• animal,
• predator,
• creature,
• bird,
• species,
• ectotherm,
• pet,
• organism,
• beast,
• being,
• fish,
• reptile,
• theropod,
• host,
• human,
• cat,
• scavenger,
• flora,
• marsupial,
• plant,
• shellfish,
• mustelid,
• dinosaur,
• clade,