Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (name verified source)
Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (verified source for family)
Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (basis of record)
Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (extant flag source)
Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (source of synonymy)
Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (habitat flag source)
Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (habitat flag source)
Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (basis of record)
Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (extant flag source)
Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (verified source for family)
Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † (name verified source)
Physeteroidea (awaiting allocation) (basis of record)
Physeteroidea (awaiting allocation) (habitat flag source)