Peer-reviewed Articles

3 downloads
3 views

A new fossil species of salticid spider (Araneae: Salticidae) is described based on an amber-embedded specimen. The specimen was collected from lignite-sandstone early-mid Miocene sediments near the town of Totolapa in Chiapas, southwestern Mexico. The diagnosis...

["Biodiversity","Entomology","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3614
80 downloads
732 views

Mantodeans or praying mantises are flying insects and well known for their raptorial behaviour, mainly performed by their first pair of thoracic appendages. We describe here a new, exceptionally preserved specimen of the early mantodean Santanmantis axelrodi Grimaldi,...

["Evolutionary Studies","Paleontology","Zoology"]
doi:10.7717/peerj.3605
816 downloads
16,535 views

The running ability of Tyrannosaurus rex has been intensively studied due to its relevance to interpretations of feeding behaviour and the biomechanics of scaling in giant predatory dinosaurs. Different studies using differing methodologies have produced a very...

["Mathematical Biology","Paleontology","Zoology"]
doi:10.7717/peerj.3420
105 downloads
657 views

The Osmundales (Royal Fern order) originated in the late Paleozoic and is the most ancient surviving lineage of leptosporangiate ferns. In contrast to its low diversity today (less than 20 species in six genera), it has the richest fossil record of any extant group...

["Paleontology","Plant Science","Taxonomy"]
doi:10.7717/peerj.3433
956 downloads
12,462 views

Razanandrongobe sakalavae Maganuco, Dal Sasso & Pasini, 2006 is a large predatory archosaur from the Middle Jurassic (Bathonian) of the Mahajanga Basin, NW Madagascar. It was diagnosed on the basis of teeth and a fragmentary maxilla, but its affinities were uncertain....

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.3481
51 downloads
490 views

We herein examine the only known non-planispirally coiled early Devonian ammonoid, the holotype specimen of Ivoites opitzi, to investigate if the host was encrusted in vivo and if these sclerobionts were responsible for the trochospiral coiling observed in this...

["Ecology","Paleontology","Taxonomy"]
doi:10.7717/peerj.3526
123 downloads
458 views

Australian Oligo–Miocene mekosuchines (Crocodylia; Crocodyloidea) display wide diversity in cranial shape and inferred hunting strategies. Terrestrial habitus has been inferred for these distinctive predators. A direct morphological signal for locomotion can be...

["Ecology","Evolutionary Studies","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3501
59 downloads
364 views

The fossil record of Red Sea fringing reefs provides an opportunity to study the history of coral-reef survival and recovery in the context of extreme environmental change. The Middle Pleistocene, the Late Pleistocene, and modern reefs represent three periods of...

["Biodiversity","Biogeography","Ecology","Marine Biology","Paleontology"]
doi:10.7717/peerj.3504
207 downloads
1,025 views

Background During the Late Jurassic, several groups of eucryptodiran turtles inhabited the shallow epicontinental seas of Western Europe. Plesiochelyidae are an important part of this first radiation of crown-group turtles into coastal marine ecosystems. Fossils...

["Evolutionary Studies","Paleontology","Taxonomy"]
doi:10.7717/peerj.3482
122 downloads
692 views

Lophotidae, or crestfishes, is a family of rare deep-sea teleosts characterised by an enlarged horn-like crest on the forehead. They are poorly represented in the fossil record, by only three described taxa. One specimen attributed to Lophotidae has been described...

["Biodiversity","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3381
493 downloads
5,433 views

The sauropod of El Oterillo II is a specimen that was excavated from the Castrillo de la Reina Formation (Burgos, Spain), late Barremian–early Aptian, in the 2000s but initially remained undescribed. A tooth and elements of the axial skeleton, and the scapular...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.3409
141 downloads
891 views

In 1941, Abel established Balaena belgica based on a series of fused cervical vertebrae and citing other cranial fragments from the late Neogene of the Antwerp harbor (northern Belgium). Later, Plisnier-Ladame & Quinet (1969) added a neurocranium and other skeletal...

["Evolutionary Studies","Marine Biology","Paleontology","Taxonomy","Zoology"]
doi:10.7717/peerj.3464
585 downloads
3,694 views

Ouranosaurus nigeriensis is an iconic African dinosaur taxon that has been described on the basis of two nearly complete skeletons from the Lower Cretaceous Gadoufaoua locality of the Ténéré desert in Niger. The entire holotype and a few bones attributed to the...

["Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.3403
59 downloads
465 views

Background The Saururaceae, a very small family of Piperales comprising only six species in four genera, have a relatively scanty fossil record outside of Europe. The phylogenetic relationships of the four genera to each other are resolved, with the type genus...

["Paleontology","Plant Science"]
doi:10.7717/peerj.3434
344 downloads
2,739 views

The Cleveland-Lloyd Dinosaur Quarry (CLDQ) is the densest deposit of Jurassic theropod dinosaurs discovered to date. Unlike typical Jurassic bone deposits, it is dominated by the presence of Allosaurus fragilis. Since excavation began in the 1920s, numerous hypotheses...

["Ecosystem Science","Evolutionary Studies","Paleontology"]
doi:10.7717/peerj.3368

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