Definitions

1. noun

A type of cephalopod, specifically a genus of extinct marine animals characterized by a pair of fins and a unique shell.

“Fossils of heteropods have been found in various parts of the world, providing valuable insights into the evolution of marine life.”

2. noun

In biology, any animal that has a pair of fins, especially in reference to certain extinct marine animals.

“The study of heteropods has led to a better understanding of the diversity of life in ancient oceans.”