Family Trygonidae Müller and Henle 1837 (shark)
Parent taxon: Selachii according to A. S. Woodward 1889
See also Deraniyagala 1969 and Leriche 1942
Sister taxa: Anacoracoidei, Asterospondyli, Centrobati, Cooperodon, Ctenacanthoidei, Fortscottella, Galeomorphi, Hammondella, Heterodontoidea, Idiacanthus, Kirkella, Moreyella, Notidani, Notidanidae, Notidanoidei, Palaeosquali, Rajae, Rhinae, Rhinoraji, Scyllidae, Spinacidi, Squali, Squalimorphi, Statodonti, Tectospondyli, Trirostri
Subtaxa: Cyclobatis Xiphotrygon
Ecology: nektonic carnivore
Distribution:
• Pliocene of South Africa (1 collection)
• Miocene of South Africa (1)
• Cretaceous of Lebanon (7)
Total: 9 collections including 12 occurrences