The term "Genus Procellaria" is a scientific term that refers to a group of sea birds. It includes species such as the Antarctic Petrel, the Cape Petrel, and the Gray-faced Petrel. However, there are some synonyms for this term that are commonly used. For instance, some people refer to this group of birds as "storm petrels," which describes their ability to navigate through strong winds and storms. Other synonyms for "Genus Procellaria" include "oceanic petrels," "great petrels," and "fulmarine petrels." These terms all describe the same group of birds, which are known for their unique adaptations and impressive abilities to survive in harsh marine environments.