Saccoglossus References Saccoglossus acorn worm genus Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: acorn worm…(about 2 inches) in certain Saccoglossus species to more than 180 cm (about 6 feet) in Balanoglossus gigas. About 70 species have been described. Read More…(about 2 inches) in certain Saccoglossus species to more than 180 cm (about 6 feet) in Balanoglossus gigas. About 70 species have been described. Read More