What are lancelets?
Q: What are lancelets?
A: Lancelets are a group of primitive chordates that were formerly called Amphioxus.
Q: What is their fossil record?
A: The lancelets' fossil record dates back to the Cambrian period.
Q: What is the lancelets' relation to the craniates?
A: The lancelets are usually said to be the sister group of the craniates.
Q: How many species of lancelets are there?
A: There are about 30 species of lancelets in two genera.
Q: Where are lancelets usually found?
A: Lancelets are usually found buried in sand in shallow parts of temperate or tropical seas.
Q: Are lancelets consumed by humans?
A: Yes, in Asia, they are harvested commercially as food for humans and domesticated animals.
Q: Why are lancelets important in zoology?
A: Lancelets are an important object of study in zoology because they give indications about the origin of vertebrates.
