Peer-reviewed Articles

70 downloads
689 views

The recognition of the group Archaea as a major branch of the tree of life (ToL) prompted a new view of the evolution of biodiversity. The genomic representation of archaeal biodiversity has since significantly increased. In addition, advances in phylogenetic modeling...

["Biodiversity","Computational Biology","Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.5770
38 downloads
277 views

A representative outcrop of the Messinian stromatolites belonging to the Terminal Carbonate Complex unit, from the northern sector of the Bajo Segura basin (Caja de Ahorros del Mediterraneo section, Sierra del Colmenar, SE Spain) has been studied. Here, we present...

["Marine Biology","Paleontology"]
doi:10.7717/peerj.5766
178 downloads
967 views

Background Family Cetotheriidae sensu stricto and several closely related taxa comprise the Cetotherioidea and represent a lineage of Neogene baleen whales that includes the smallest edentulous baleen whales in Earth history. Most of known cetotheriids came from...

["Evolutionary Studies","Paleontology","Zoology"]
doi:10.7717/peerj.5800
248 downloads
910 views

The Late Jurassic Slottsmøya Member Lagerstätte on Spitsbergen preserves a diverse array of marine reptiles, including four named taxa of ophthalmosaurid ichthyosaurs. One of these, Palvennia hoybergeti, is based on the single holotype specimen (SVB 1451) with...

["Evolutionary Studies","Marine Biology","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.5776
362 downloads
4,063 views

Bite marks on bones can provide critical information about interactions between carnivores and animals they consumed (or attempted to) in the fossil record. Data from such interactions is somewhat sparse and is hampered by a lack of records in the scientific literature....

["Animal Behavior","Ecology","Paleontology"]
doi:10.7717/peerj.5748
134 downloads
3,437 views

We describe Titanotaria orangensis (gen. et. sp. nov.), a new species of walrus (odobenid) from the upper Miocene Oso Member of the Capistrano Formation of Orange County, California. This species is important because: (1) It is one of the best-known and latest-surviving...

["Evolutionary Studies","Paleontology","Zoology"]
doi:10.7717/peerj.5708
700 downloads
12,620 views

The giant tyrannosaurids were the apex predators of western North America and Asia during the close of the Cretaceous Period. Although many tyrannosaurid species are known from numerous skeletons representing multiple growth stages, the early evolution of Tyrannosauridae...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.5749
75 downloads
932 views

Background The family of true seals, the Phocidae, is subdivided into two subfamilies: the southern Monachinae, and the northern Phocinae, following the subfamilies’ current distribution: extant Monachinae are largely restricted to the (sub-)Antarctic and the eastern...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.5734
53 downloads
232 views

Acquiring data on the occurrences of many types of difficult to identify objects are often still made by human observation, for example, in biodiversity and paleontologic research. Existing computer counting programs used to record such data have various limitations,...

["Biodiversity","Bioinformatics","Ecology","Paleontology"]
doi:10.7717/peerj.5453
297 downloads
1,266 views

Aetosaurs are armored basal archosaurs that played a significant role in land ecosystems during the Late Triassic (237–201 Ma). The polish species Stagonolepis olenkae Sulej, 2010 described from the Krasiejów locality (southern Poland) is one of the oldest known...

["Paleontology","Zoology"]
doi:10.7717/peerj.5595
94 downloads
705 views

The stem odontocete Agorophius pygmaeus (Ashley Formation, lower Oligocene, South Carolina; 29.0–26.57 Ma) has been a critical point of comparison for studies of early neocete evolution owing to its early discovery as well as its transitional anatomy relative to...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.5290
85 downloads
767 views

The genus Leggadina (colloquially known as ‘short-tailed mice’) is a common component of Quaternary faunas of northeastern Australia. They represent a member of the Australian old endemic murid radiation that arrived on the continent sometime during the late Cenozoic....

["Paleontology","Zoology"]
doi:10.7717/peerj.5639
140 downloads
1,823 views

We surveyed the taxa, ecosystems, and localities of the Devonian fishes of Michigan to provide a framework for renewed study, to learn about the diversity and number of these fishes, and to investigate their connection to other North American faunas. Nineteen genera...

["Biodiversity","Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.5636
194 downloads
1,142 views

Background A few odontocetes (echolocating toothed cetaceans) have been able to independently colonize freshwater ecosystems. Although some extant species of delphinids (true dolphins) and phocoenids (porpoises) at least occasionally migrate upstream of large river...

["Evolutionary Studies","Marine Biology","Paleontology","Zoology"]
doi:10.7717/peerj.5556
187 downloads
2,703 views

The Winton Formation is increasingly recognised as an important source of information about the Cretaceous of Australia, and, more broadly, the palaeobiogeographic history of eastern Gondwana. With more precise dating and stratigraphic controls starting to provide...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.5513

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