Arnold, R. (1908). Description of a new brittle star from the upper Miocene of the Santa Cruz Mountains, California. Proceedings of the United States National Museum, 36(1620), 403-405.[details]
Stöhr, S.; O’Hara, T. & Thuy, B. (Eds) (2018). World Ophiuroidea database. Amphiura sanctaecrucis Arnold, 1908 †. Accessed at: http://www.marinespecies.org/ophiuroidea/aphia.php?p=taxdetails&id=745196 on 2019-02-18
original descriptionArnold, R. (1908). Description of a new brittle star from the upper Miocene of the Santa Cruz Mountains, California. Proceedings of the United States National Museum, 36(1620), 403-405.[details]