Yano, K.; Stevens, J. D.; Compagno, L. J. V. (December 2004). "A review of the systematics of the sleeper shark genus Somniosus with redescriptions of Somniosus (Somniosus) antarcticus and Somniosus (Rhinoscymnus) longus (Squaliformes: Somniosidae)". Ichthyological Research. 51 (4). Springer: 360–373. Bibcode:2004IchtR..51..360Y. doi:10.1007/s10228-004-0244-4.
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Yano, K.; Stevens, J. D.; Compagno, L. J. V. (December 2004). "A review of the systematics of the sleeper shark genus Somniosus with redescriptions of Somniosus (Somniosus) antarcticus and Somniosus (Rhinoscymnus) longus (Squaliformes: Somniosidae)". Ichthyological Research. 51 (4). Springer: 360–373. Bibcode:2004IchtR..51..360Y. doi:10.1007/s10228-004-0244-4.