1. Andrews, A. 1893 An undescribed acraniate: Asymmetron lucayanum. Studies from the Biological Laboratory, Johns Hopkins University, 5: 213-247.
2. Bigelow, H.B. and I.P. Farfante 1948 Fishes of the Western North Pacific-Part One, Chapter One. Lancelets. Memoir Sears Foundation for Marine Research, 1: 1-28.
3. Cai, Y., Z. Liu, Z. Zhang and C. Deng 1986 The amphioxus in the Beibu Gulf of China. Tropic Oceanology, 5 (2): 42-50. (In Chinese with English summary)
4. Carandang, N. C. 1978 The lancelets [Cephalochordata, Amphioxi] of Lucena Anchorage, Quezon, Philippines. Kalikasan, 7: 177-186.
5. Chin, T. 1941 Studies on the biology of the Amoy amphioxus Branchiostoma belcheri Gray. Philippine Journal of Science, 75: 369-424.