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Psephophorus
Taxonomy
Psephophorus was named by von Meyer (1847) [Sepkoski's age data: T Eo T Plio]. It is not extant.
It was assigned to Sphargididae by Andrews (1906); to Dermochelyinae by Weems (1988); to Chelonia by Sepkoski (2002); and to Dermochelyidae by Hay (1930), Carroll (1988), Dodd and Morgan (1992), de la Fuente et al. (1995), Köhler (1995), Hirayama (1995), Zug (2001), Lynch and Parham (2003), Joyce et al. (2004), Karl (2007), Delfino et al. (2013), Hastings and Dooley (2017), Peters et al. (2019), Fallon and Boessenecker (2020), Weems (2023), Robinson et al. (2024).
It was assigned to Sphargididae by Andrews (1906); to Dermochelyinae by Weems (1988); to Chelonia by Sepkoski (2002); and to Dermochelyidae by Hay (1930), Carroll (1988), Dodd and Morgan (1992), de la Fuente et al. (1995), Köhler (1995), Hirayama (1995), Zug (2001), Lynch and Parham (2003), Joyce et al. (2004), Karl (2007), Delfino et al. (2013), Hastings and Dooley (2017), Peters et al. (2019), Fallon and Boessenecker (2020), Weems (2023), Robinson et al. (2024).