Full reference: E. D. Cope. 1868. Second contribution to the history of the Vertebrata of the Miocene period of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 1868:184-194
Parent taxon: Cetacea according to J. J., Jr. Sepkoski 2002
Sister taxa: Ambulocetidae, Anarnak, Archaeocetus, Argyrocetidae, Balaenodontae, Balaenoidorum, Berardiopsis miocaenus, Berardiopsis pliocaenus, Canis primigenius, Cetotheriomorphus dubius, Cetotherium priscum, Cetotolites, Globicephalus eocaenus, Halicore maximovitschii, Loncodelphis, Manatus giganteus, Mystacoceta, Nanisocetus, Neoballaenidae, Otaria leclercii, Oxypterus, Pakicetidae, Palaeocetus, Pelagiceti, Procetus, Proteroceta, Protocetidae, Protocetoidea, Remingtonocetidae, Remingtonocetoidea, Rhynchoceti, Zeugloceta, Ziphius blasii, Balanadae
Subtaxa: none
Ecology: aquatic carnivore
Distribution: there are no occurrences of Tretosphrys in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.