Family Notidanidae Bonaparte (shark)
Parent taxon: Selachii according to A. S. Woodward 1889
See also Cassier 1966, Eastman 1904 and Herman 1977
Sister taxa: Anacoracoidei, Asterospondyli, Centrobati, Cooperodon, Ctenacanthoidei, Fortscottella, Galeomorphi, Hammondella, Heterodontoidea, Idiacanthus, Kirkella, Moreyella, Notidani, Notidanoidei, Palaeosquali, Rajae, Rhinae, Rhinoraji, Scyllidae, Spinacidi, Squali, Squalimorphi, Statodonti, Tectospondyli, Trirostri, Trygonidae
Subtaxa: Xenodolamia
Ecology: nektonic carnivore
Distribution:
• Miocene of Australia (1 collection)
• Eocene of Barbados (2), the United Kingdom (2)
• Paleocene of Togo (1)
Total: 6 collections each including a single occurrence