Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_90 ( authors VARCHAR, name VARCHAR, novelty VARCHAR, location VARCHAR )

### Question ###
What is Authors, when Novelty is Gen Nov, when Location is South Africa, and when Name is Criocephalosaurus?

### Accurate SQL ###

SELECT authors FROM table_name_90 WHERE novelty = "gen nov" AND location = "south africa" AND name = "criocephalosaurus"