Paleontology and Evolutionary Science

Editors' Picks

A new phylogenetic hypothesis of Tanystropheidae (Diapsida, Archosauromorpha) and other “protorosaurs”, and its implications for the early evolution of stem archosaurs
Claudia Marsicano –– It is a welcome comprehensive analysis of a quite disparate group at the core of the early evolution of Archosauromorpha.
Feroxichthys panzhouensis sp. nov., a hump-backed colobodontid (Neopterygii, Actinopterygii) from the early Middle Triassic of Panzhou, Guizhou, China
Diogo Provete –– This manuscript describes the second species of a new genus of fossil fish
Divergent morphological responses to millennia of climate change in two species of bats from Hall’s Cave, Texas, USA
Brandon Hedrick –– The authors examine mandibular shape in two species of bats with robust 25,000 year old fossil records. Combining these data with climate and environmental data, they assess correlations between environment and mandible shape and size. These results are part of the growing field of conservation paleobiology and are useful in interpreting how changing climate impacts morphological evolution.
Ontogeny of highly variable ceratitid ammonoids from the Anisian (Middle Triassic)
Brandon Hedrick –– The authors examine ontogenetic changes in a group of Triassic ammonoids using geometric morphometrics to assess potential taxonomic diversity and over-splitting. These results are relevant beyond the locality that the authors focus on and have bearing on ammonoid paleontology more generally.
Offshore marine actinopterygian assemblages from the Maastrichtian–Paleogene of the Pindos Unit in Eurytania, Greece
Kenneth De Baets –– The article describe new data from an important locality straddling the K-Pg event which is crucial for our understanding of this event on extinction patterns of teleost fishes.
The diverse radiodont fauna from the Marjum Formation of Utah, USA (Cambrian: Drumian)
Joseph Gillespie –– An important contribution to the knowledge base on Cambrian radiodont arthropods, with significant information regarding biotic diversity from the Marjum Formation of Utah, USA.
The ecomorphology of the shell of extant turtles and its applications for fossil turtles
Brandon Hedrick –– The authors present a study on turtle shell morphology using 3D geometric morphometrics to investigate the relationship between shell morphology and ecology.
Canines and carnassials as indicators of sociality in durophagous hyaenids: analyzing the past to understand the present
Brandon Hedrick –– The authors provide a large and useful dataset for analyzing the evolution of canine shape in fossil and extant hyaenid taxa. A new hypothesis regarding hyaenid tooth functional morphology is proposed with reference to social behavior.
The phylogeny and systematics of Xiphosura
Peter Wilf –– Fossil horseshoe crabs have enduring interest because they supposedly demonstrate extraordinary evolutionary stasis in the group "as living fossils." Evaluating this idea requires a great deal of careful comparative systematics, and this paper makes significant advances in the area by carefully defining a large suite of important fossils phylogenetically and systematically. It is a valuable paleontological contribution to a famous problem in invertebrate evolution.
The cranial morphology of Tanystropheus hydroides (Tanystropheidae, Archosauromorpha) as revealed by synchrotron microtomography
Mark Young –– An excellent osteological description of an unusual Triassic reptile, using CT data to investigate the endocranial anatomy.
Paleontology and Evolutionary Science
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Section discussions

A #NewSpecies described from a partial skeleton of a hybodontiform shark-like chondrichthyan from the Upper Jurassic Kimmeridge Clay Formation of England in @PeerJLife article https://t.co/ouBouQ42Ee @univienna @TEC_Kimmeridge #Aquaculture #Fisheries #Paleontology #Taxonomy https://t.co/Nu4QdSagOc

New paper on Morphological variability and genetic diversity in Carex buxbaumii and Carex hartmaniorum (#Cyperaceae) populations https://t.co/JGsBGekInV

New study of pelvic morphometrics in Felidae: https://t.co/zf7RQecHzG

Osteology of the small dyrosaurid crocodyliform Cerrejonisuchus from Colombia, with morphospace comparisons to other taxa that emphasize the weirdness of dyrosaurids- https://t.co/dmVeS1rsjW #OA

A #NewSpecies of #Nostolepis scale remains discovered in the Lower Devonian of Qujing, China Read the full @PeerJLife article https://t.co/qQacMnJJfm #EvolutionaryStudies #MarineBiology #Paleontology #Taxonomy https://t.co/JiSDMrjVS7


Léonard et al. @UniversiteLiege present #ToRQuEMaDA: tool for retrieving queried Eubacteria, metadata and dereplicating assemblies Read the full @PeerJLife article https://t.co/XxanrqYcAq #Bioinformatics #Genomics #Microbiology #Taxonomy https://t.co/KYW0ZjWhH8

Presenting the Wapiti Formation’s first lambeosaurine #dinosaur! Led by the intrepid @ERS_UNE/@PalaeoScience MSc student @bray_holland and part of the #BADP field project, we describe the mass death of some juvenile dinosaurs https://t.co/Q2taAAuGUq @CurrieMuseum

An article I handled as editor has just been published @thePeerJ https://t.co/Xf7ft1DNIl Congratulations to @ArthurErb1 and @alanhturner and many thanks to @PalaeoStephan, @BronzatiMario and an anonymous reviewer for their expert assistance! #Crocodile #Paleoneurology