Shuster, Carl Nathaniel; Brockmann, Professor of Zoology University of Florida Gainesville H. Jane; Barlow, Robert B.; Brockmann, H. Jane; Barlow, Professor of Ophthalmology and Director of the Center for Vision Research at Suny Upstate Medical University Robert B. (2003) (英語). The American Horseshoe Crab. Harvard University Press. ISBN9780674011595. https://books.google.com/books?id=0OSAKny-6M4C&pg=PA113
