Collareta, A. Fulgosi, F. C. Bianucci, G. 2019 A new kogiid sperm whale from northern Italy supports psychrospheric conditions in the early Pliocene Mediterranean Sea Acta Palaeontologica Polonica 64 609-626 Zygorhiza Cynthiacetus Agorophius Eudelphis Zygophyseter Brygmophyseter Acrophyseter_deinodon Acrophyseter_robustus Acrophyseter_sp Livyatan Aulophyseter_rionegrensis Orycterocetus Physeterula Idiorophus Diaphorocetus Placoziphius Aulophyseter Physeter Idiophyseter Thalassocetus Aprixokogia Scaphokogia Praekogia Kogia Koristocetus Nanokogia Scaphokogiinae_sp Pliokogia_apenninica Osteology Maximum Parsimony Based on reanalysis of the original matrix. Collareta_etal_2019a