Carelia paradoxa was a species of small, air-breathing, land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.
This species was endemic to the Hawaiian Islands. It became extinct in the first half of the 20th century.[1] [2]
. Elwood Zimmerman. new foreword by James K. Liebherr and short biography of the author by James O. Juvik. Volume 1 - Introduction - With a New Preface and Dedication. https://books.google.com/books?id=XPkaXtydcbUC&pg=PA134. 22 February 2010. illustrated, reissued, with a new preface and dedication. Insects of Hawaii. 1. 1 March 2001. University of Hawai'i Press. Hawaii, USA. 978-0-8248-2427-3. 134–136. Chapter 4 Development of the endemic fauna. 313815991. 1947.