Endangered and Extinct InvertebrateseBook - 2014
"Oahu tree snails and pink velvet worms are two examples of endangered invertebrates. Few of them exist in the wild. Other invertebrates have already gone extinct. What hurts these animals? What can you do to help?"--Page 4 of cover.
Publisher: Minneapolis : Lerner Publications Company, 
Characteristics: 1 online resource.