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Macroraptorial sperm whales (Cetacea, Odontoceti, Physeteroidea) from the Miocene of Peru
TLDR
A phylogenetic analysis based on 53 characters and 21 physeteroid species confirms the monophyly of Acrophyseter and groups this genus with the larger, middle to late Miocene macroraptorial stem physeteroids Brygmophyseter and Zygophyseter.
Killer sperm whale: a new basal physeteroid (Mammalia, Cetacea) from the Late Miocene of Italy
TLDR
Large body size, large teeth present in both lower and upper jaw, and anteroposteriorly elongated temporal fossa and zygomatic process of the squamosal indicate that this cetacean was an active predator adapted to feeding on large prey, similarly to the extant killer whale.
The giant bite of a new raptorial sperm whale from the Miocene epoch of Peru
This corrects the article DOI: 10.1038/nature09067
ARIMIDELPHIS SORBINII A NEW SMALL KILLER WHALE-LIKE DOLPHIN FROM THE PLIOCENE OF MARECCHIA RIVER (CENTRAL EASTERN ITALY) AND A PHYLOGENETIC ANALYSIS OF THE ORCININAE (CETACEA: ODONTOCETI)
TLDR
A cladistic phylogenetic analysis points out the belonging of Arimidelphis to Orcininae and particularly to a clade also including the fossil genus Hemisyntrachelus, Orcinus and Pseudorca, and indicates a trophic adaptation similar to that of the last two genera.
The giant bite of a new raptorial sperm whale from the Miocene epoch of Peru
TLDR
It is proposed that Leviathan fed mostly on high-energy content medium-size baleen whales, together with the contemporaneous giant shark Carcharocles megalodon, which had a profound impact on the structuring of Miocene marine communities.
Huaridelphis raimondii, a New Early Miocene Squalodelphinidae (Cetacea, Odontoceti) from the Chilcatay Formation, Peru
ABSTRACT The fossil record of odontocetes (toothed cetaceans) is relatively scarce during the Oligocene and early Miocene compared with later in the Miocene and Pliocene; most of the odontocete
A Reevaluation of Pliophoca etrusca (Pinnipedia, Phocidae) from the Pliocene of Italy: Phylogenetic and Biogeographic Implications
ABSTRACT— The holotype of Pliophoca etrusca, a partial skeleton from the late Pliocene (Piacenzian) of central Italy, is redescribed. Referred material from the Pliocene of Italy, France, and Spain
A new archaic homodont toothed cetacean (Mammalia, Cetacea, Odontoceti) from the early Miocene of Peru
TLDR
The phylogenetic analysis suggests the existence of an early Miocene Eastern Pacific long-snouted homodont odontocete clade (with an hypothetical South Atlantic member, the poorly known Argyrocetus patagonicus Lydekker, 1893), distinct from the only superficially similar eoplatanistids and eurhinodelphinids.
The Odontoceti (Mammalia, Cetacea) from Italian Pliocene. Systematics and phylogenesis of Delphinidae
Etude des restes fossilises de Delphinidae (Cetacea, Odontoceti) de sediments italien du Pliocene, proposant de nouvelles interpretations systematiques et phylogenetiques et une description
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