Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is Authors, when Novelty is Gen Et Sp Nov, and when Name is Lanthanocephalus?

### Inputs:
table_name: table, columns: ['Name', 'Novelty', 'Status', 'Authors', 'Location']

### Response:
SELECT Authors FROM table WHERE Novelty = gen et sp nov AND Name = lanthanocephalus