Septidelphis is an extinct genus of oceanic dolphins belonging to the family (Delphinidae). The type species is Septidelphis morii.
This genus is known in the fossil records from the late ZancleanâÂÂearly Piacenzian (Pliocene) (age range: from 3.81 to 3.19 million years ago). Fossils are found in the marine strata of Piedmont (northern Italy).
The holotype is currently housed and displayed in Asti's .
This genus is characterized by a condylobasal length reaching about , by a long and narrow rostrum and by a wide premaxillae at the middle of rostrum. It shows an extreme posterior widening of the dorsal opening of the mesorostral canal.