166
Bos taurus Sus scrofa
Hippopotamidae
Georgiacetus vogtlensis † Zygorhiza kochii †
Mysticeti Eo Xe Odontoceti
Archaeodelphis patrius † ChM PV 4746 †
Ashleycetus planicephalus † Mirocetus riabinini †
ChM PV 4178 † Ag Agorophius pygmaeus †
ChM PV 4256 MCZ 8761
SC 2015.51.1 Patriocetus kazakhstanicus †
Simocetus rayi † ChM PV 5852 †
ChM PV 2761 † ChM PV 2764 †
Prosqualodon davidis †
Waipatia maerewhenua † ChM PV 4802 †
ChM PV 4961 † Squalodon calvertensis † Atocetus nasalis † Albireo whistleri †
Phocoena phocoena Phocoenoides dalli
Monodontidae
Orcaella brevirostris Orcinus orca
De
Leucopleurus acutus Tursiops truncatus
Delphinus
Pseudorca crassidens Grampus griseus
Kentriodon pernix † Pontoporia blainvillei Protophocaena minima †
Pliopontos littoralis † Brachydelphis mazeasi †
In
Meherrinia isoni † Inia geoffrensis
Auroracetus bakerae † Stenasodelphis russellae †
Figure 8. Cladogram of relationships of Neoceti, with a focus on the basal relationships among Odontoceti. Specimens included in Agorophius pygmaeus are shown in the box outlined with dotted lines. Several clades are identified with circles, including: Ag, Agorophiidae; Ba, Balaenopteroidea; De, Delphinidae; Eo, Eomysticetidae; In, Iniidae; Li, Lipotidae; Ph, Physeteroidea; Pl, Platanistoidea; Xe, Xenorophidae; Zi, Ziphiidae.
maxilla, whereas in SC 2015.51.1 only two appear to have existed. In ChM PV4256, the posterior-most maxillary alveolus is further removed fromthe antorbital notch than in SC 2015.51.1
(compare Figs. 2.4 and 4.2).Wewould ascribe these differences to intraspecific variation; none of which warrant the placement of these specimens in anything other than Agorophius pygmaeus.
Li Globicephala Lipotes vexillifer
Parapontoporia wilsoni † Parapontoporia sternbergi †
Pl Zi
Squaloziphius emlongi † Kogia
Ph
Orycterocetus crocodilinus † Physeter macrocephalus
Ziphius cavirostris Ninoziphius platyrostris †
Tasmacetus shepherdi Berardius Mesoplodon
Xiphiacetus bossi †
Notocetus vanbenedeni † Zarhachis flagellator † Platanista
Ischyrorhynchus †
Xenorophus sloanii † Xenorophus sp. †
ChM PV 4834 ChM PV 5711
Albertocetus meffordorum † GSM 1098
ChM PV 2758 † Cotylocara macei †
Journal of Paleontology 90(1):154–169 ChM PV 4745 †
ChM PV 5720 † Janjucetus hunderi † Mammalodon colliveri † Chonecetus goedertorum † Aetiocetus cotylalveus †
Micromysticetus rothauseni † Eomysticetus whitmorei †
Diorocetus hiatus †
Pelocetus calvertensis † Balaenidae
Eschrichtius robustus Caperea marginata Parabalaenoptera baulinensis † Ba
Balaenoptera physalus Megaptera novaeangliae
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