Mammalia - Cetacea - Balaenopteridae

Alternative combinations: Balaenoptera davidsoni, Cetotherium davidsonii, Eschrichtius davidsonii

Full reference: E. D. Cope. 1872. On an extinct whale from California. Proceedings of the Academy of Natural Sciences of Philadelphia 1872:29-30

Belongs to Balaenoptera according to M. D. Uhen et al. 2008

Sister taxa: Balaenoptera brevicauda, Balaenoptera cephalus, Balaenoptera fasciata, Balaenoptera floridana, Balaenoptera minutis, Balaenoptera physalus, Balaenoptera ryani, Balaenoptera sursiplana, Balaenoptera taiwanica

Type specimen: ANSP 12922, a mandible (partial left dentary). Its type locality is Cabrillo Canyon, which is in a Piacenzian marine horizon in the San Diego Formation of California.

Ecology: aquatic suspension feeder

Average measurements (in mm): skull 1390.0 x 850.0