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Carcharhiniform
Physogaleus
Carcharhinus
Galeocerdo
Galeorhinus
Hemipristis
Sphyrna
Hexanchiform
Hexanchus
Notorynchus
Lamniform
Alopias
C. acutissima
C. carcharias
Carcharodon
I. Hastalis
I. Retroflexus
Lamna
Odontaspis
Squaliform
Squalus
Notorynchus cepedianus
Lower teeth
Symphyseal tooth
Upper jaw
Upper jaw
Notorynchus teeth come in various forms, just like the Hexanchus teeth.