Chú thích Sam lớn

  1. ↑ Koichi Sekiguchi and Hiroaki Sugita (1980). “Systematics and hybridization in the four living species of horseshoe crabs”. Evolution 34 (4): 712–718. 
  2. ↑ J. K. Mishra (2009). “Larval culture of Tachypleus gigas and its molting behavior under laboratory conditions”. Trong John T. Tanacredi, Mark L. Botton & David R. Smith. Biology and Conservation of Horseshoe Crabs. Springer. tr. 513–519. ISBN 978-0-387-89959-6. doi:10.1007/978-0-387-89959-6_32.