Membranipora membranacea (IMAGE) Florida Museum of Natural History Caption Bryozoans are an incredibly old group, with fossils that extend back prior to the evolution of life on land. Researchers recently published the largest genetic study on bryozoans, highlighting their relationships and the important role parental care has played in their survival and diversity. This image is of an encrusting cheilostome, Membranipora membranacea, collected in British Columbia. Credit Florida Museum Invertebrate Zoology photo Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.