The fish's size, estimated by Burgess at 8 - to 9-feet, eliminates many smaller species included in the family known to scientists as Carcharhinidae.    From Wordnik.com.  [ScrippsNews] Reference

(Carangidae) and requiem sharks (Carcharhinidae) summarized at the family levels (.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference