Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
Q: Context: Vexillum malleopunctum is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters. 
 Question: Is Vexillum malleopunctum a genus or species?
A: 
species