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Somniosidae (sleeper shark)
Taxonomy
Somniosidae was named by Jordan (1888). It is extant.
It was reranked as the subfamily Somniosinae by Müller and Diedrich (1991).
It was assigned to Squaloidea by Hay (1902); to Squaloidei by Jordan (1963); to Squalidae by Müller and Diedrich (1991); and to Squaliformes by Cahuzac et al. (2007), Mannering and Hiller (2008), Underwood and Schlogl (2013), Nelson et al. (2016), Welton and Goedert (2016) and Feichtinger et al. (2024).
It was reranked as the subfamily Somniosinae by Müller and Diedrich (1991).
It was assigned to Squaloidea by Hay (1902); to Squaloidei by Jordan (1963); to Squalidae by Müller and Diedrich (1991); and to Squaliformes by Cahuzac et al. (2007), Mannering and Hiller (2008), Underwood and Schlogl (2013), Nelson et al. (2016), Welton and Goedert (2016) and Feichtinger et al. (2024).