The oldest definitive pinniped fossils date from approximately 30.6–23 million years ago
(Ma) in the North Pacific. Pinniped monophyly is consistently supported; the group shares a …

The fossil record demonstrates that mammals re‐entered the marine realm on at least seven
separate occasions. Five of these clades are still extant, whereas two are extinct. This review …

In the present study, a series of phylogenetic analyses of morphological, molecular, and
combined morphological-molecular datasets were conducted to investigate the relationships …

Phylonyms is an implementation of PhyloCode, which is a set of principles, rules, and
recommendations governing phylogenetic nomenclature. Nearly 300 clades-lineages of …

Pinnipeds (seals and related species) use their whiskers to explore their environment and
locate their prey. Today they live mostly in marine habitats and are adapted for a highly …

Pinnipeds represent a lineage of terrestrial carnivores that have secondarily adapted to a
marine existence and must capture and process prey under water. We examined known …

The primary function of pachyostosis, pachyosteo‐sclerosis, and osteosclerosis may be to
act as ballast, not so much (as previously suggested) to neutralise the buoyancy of existing …

Here we describe a new phocid, Hadrokirus martini gen. et sp. nov., from the Pisco
Formation, in the locality of Sud-Sacaco (Late Miocene to Early Pliocene of Peru). This taxon …

Extant baleen whales (Mysticeti) uniquely use keratinous baleen for filter-feeding and lack
dentition, but the fossil record clearly shows that" toothed" baleen whales first appeared in …

Amphicticeps shackelfordi and Amphicynodon teilhardi are two small carnivorans from the
early Oligocene Hsanda Gol Formation of central Mongolia, and as basal arctoids …