Peer-reviewed Articles

47 downloads
380 views

A new taxon of stem otariid, Eotaria citrica sp. nov., is described from the upper Burdigalian to lower Langhian “Topanga” formation of Orange County, California. The new species is described from mandibular and dental remains that show a unique combination of...

["Evolutionary Studies","Marine Biology","Paleontology","Taxonomy"]
doi:10.7717/peerj.3022
67 downloads
593 views

Background Prophoca and Leptophoca represent the oldest known genera of phocine seals, dating from the latest early to middle Miocene. Originally, Prophoca rousseaui and Prophoca proxima were described based on fragmentary remains from the Miocene of Belgium. However,...

["Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3024
46 downloads
394 views

Plants and insects are key components of terrestrial ecosystems and insect herbivory is the most important type of interaction in these ecosystems. This study presents the first analysis of associations between plants and insects for the early Miocene Hindon Maar...

["Ecology","Paleontology","Plant Science"]
doi:10.7717/peerj.2985
93 downloads
741 views

Larvae of malacostracan crustaceans represent a large fraction of modern day zooplankton. Plankton is not only a major part of the modern marine ecosystem, but must have played an important role in the ecosystems of the past as well. Unfortunately, our knowledge...

["Developmental Biology","Ecology","Paleontology","Zoology"]
doi:10.7717/peerj.2966
301 downloads
6,227 views

Based on specimens previously identified as Tropidostoma, a new taxon of dicynodont (Bulbasaurus phylloxyron gen. et sp. nov.) from the Karoo Basin of South Africa is described. Bulbasaurus is a medium-sized dicynodont (maximum dorsal skull length 16.0 cm) restricted...

["Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.2913
256 downloads
989 views

Background Macelognathus vagans Marsh, 1884 from the Late Jurassic Morrison Fm. of Wyoming was originally described as a dinosaur by Marsh and in 1971 Ostrom suggested crocodilian affinities. In 2005, Göhlich and collaborators identified new material of this species...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.2801
1,006 downloads
17,676 views

Azhdarchid pterosaurs include the largest animals to ever take to the skies with some species exceeding 10 metres in wingspan and 220 kg in mass. Associated skeletons show that azhdarchids were long-necked, long-jawed predators that combined a wing planform suited...

["Paleontology","Zoology"]
doi:10.7717/peerj.2908
85 downloads
446 views

Background The shells of molluscs survive well in many sedimentary contexts and yield information about the diet of prehistoric humans. They also yield evidence of symbolic behaviours through their use as beads for body adornments. Researchers often analyse the...

["Ecology","Marine Biology","Paleontology","Zoology"]
doi:10.7717/peerj.2903
323 downloads
1,311 views

Non-mammaliaform cynodonts gave rise to mammals but the reproductive biology of this extinct group is still poorly known. Two exceptional fossils of Galesaurus planiceps and Thrinaxodon liorhinus, consisting of juveniles closely associated with an adult, were briefly...

["Animal Behavior","Evolutionary Studies","Paleontology","Zoology"]
doi:10.7717/peerj.2875
1 citation
394 downloads
1,368 views

The holotype of Brancasaurus brancai is one of the most historically famous and anatomically complete Early Cretaceous plesiosaurian fossils. It derived from the Gerdemann & Co. brickworks clay pit near Gronau (Westfalen) in North Rhine-Westphalia, northwestern...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.2813
1 citation
73 downloads
606 views

Background Cornaceae consists of 58 species, all within the genus Cornus. The Cenozoic record of Cornus is extensive and well documented. Molecular divergence-time studies suggest that crown-group Cornus may have originated by the Late Cretaceous. However, there...

["Paleontology","Plant Science"]
doi:10.7717/peerj.2808
179 downloads
898 views

Exceptionally well-preserved three-dimensional insects with fine details and even labile tissues are ubiquitous in the Crato Member Konservat Lagerstätte (northeastern Brazil). Here we investigate the preservational pathways which yielded such specimens. We employed...

["Entomology","Paleontology"]
doi:10.7717/peerj.2756
250 downloads
1,142 views

A series of sandstone slabs from Hamstead, Birmingham (West Midlands, UK), preserve an assemblage of tetrapod trackways and individual tracks from the Enville Member of the Salop Formation (late Carboniferous: late Moscovian–Kasimovian). This material has received...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.2718
212 downloads
1,090 views

Hyaenodonta is a diverse, extinct group of carnivorous mammals that included weasel- to rhinoceros-sized species. The oldest-known hyaenodont fossils are from the middle Paleocene of North Africa and the antiquity of the group in Afro-Arabia led to the hypothesis...

["Biogeography","Paleontology","Taxonomy"]
doi:10.7717/peerj.2639
250 downloads
1,468 views

In this study, 21 skull bones of Metoposaurus krasiejowensis from the Late Triassic of Poland were investigated histologically. Dermal bones show a diploë structure, with an ornamented external surface. The ridges consist of mostly well vascularized parallel-fibered...

["Paleontology","Histology"]
doi:10.7717/peerj.2685

Top subject areas - Articles

Top subject areas - People

View all subject areas