Is there any true chordate without heart?

1 Answer
Mohan M. · Mandira P.
Feb 11, 2017

Amphioxus is a cephalochordate that lacks a heart.

Explanation:

All true chordates like lamprey, fish, amphibians, reptiles, birds and mammals have heart.

Primitive chordates called cephalochordates do not have heart.
The best known example is Amphioxus or lancelet .

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