@misc{indiciae80850ac2156f, title = {Mollusks, Echinoderms, Coelenterates, etc. Part H Medusae and Ctenophora — Illustration, BHL page 41715704}, year = {1920}, url = {https://www.biodiversitylibrary.org/page/41715704}, note = {Source identifier: page-41715704} }