Class Chytridiomycetes, which consists of fungal organisms commonly known as chytrids, is a diverse group with various synonyms. Some common synonyms include Chytridiomycota, Chytridiomycotina, and Chytridiales. Chytrids are known for their unique physiology, which includes having flagellated spores and the ability to infect both plants and animals. However, chytrids are also notorious for causing major environmental impacts such as the decimation of amphibian populations. Despite their negative impact, chytrids also have important ecological roles in aquatic ecosystems, and their unique physiology provides opportunities for innovative biotechnological applications. Synonyms of Class Chytridiomycetes demonstrate how scientific classification of organisms is dynamic and subject to change as new discoveries emerge.