Paleontology

Articles:
62 Natural Frequency Method: estimating the preferred walking speed of Tyrannosaurus rex based on tail natural frequency.
https://royalsocietypublishing.org/doi/10.1098/rsos.201441

61 Absolute abundance and preservation rate of Tyrannosaurus rex.
https://science.sciencemag.org/content/372/6539/284

60 Tail-propelled aquatic locomotion in a theropod dinosaur.
https://www.nature.com/articles/s41586-020-2190-3

59 Middle Jurassic tracks of sauropod dinosaurs in a deep karst cave in France.
https://www.tandfonline.com/doi/abs/10.1080/02724634.2019.1728286?journalCode=ujvp20

58 Oculudentavis khaungraae—a newly discovered theropod from the Cretaceous period of Myanmar—reveals a previously unknown bauplan and ecology associated with miniaturization, highlighting the potential for recovering small-bodied vertebrates from amber deposits.
https://www.nature.com/articles/s41586-020-2068-4

57 The extraordinary osteology and functional morphology of the limbs in Palorchestidae, a family of strange extinct marsupial giants.
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0221824

56 Pheomelanin pigment remnants mapped in fossils of an extinct mammal.
https://www.nature.com/articles/s41467-019-10087-2

55 Reverse-engineering the locomotion of a stem amniote.
https://www.nature.com/articles/s41586-018-0851-2

54 Evidence for the Cretaceous shark Cretoxyrhina mantelli feeding on the pterosaur Pteranodon from the Niobrara Formation.
https://peerj.com/articles/6031/

53 Ancient steroids establish the Ediacaran fossil Dickinsonia as one of the earliest animals.
http://science.sciencemag.org/content/361/6408/1246

52 Testosterone in ancient hair from an extinct species.
https://onlinelibrary.wiley.com/doi/abs/10.1111/pala.12391

51 Testosterone in ancient hair from an extinct species.
https://onlinelibrary.wiley.com/doi/full/10.1111/pala.12391

50 Sediment‐encased maturation: a novel method for simulating diagenesis in organic fossil preservation.
https://onlinelibrary.wiley.com/doi/full/10.1111/pala.12386

49 The rise of algae in Cryogenian oceans and the emergence of animals.
https://www.nature.com/nature/journal/v548/n7669/full/nature23457.html

48 T. rex skin suggest it was covered in scales—not feathers.
http://rsbl.royalsocietypublishing.org/content/13/6/20170092

47 Fossil and genomic evidence constrains the timing of bison arrival in North America.
http://www.pnas.org/content/114/13/3457

46 Expansion for the Brachylophosaurus canadensis Collagen I Sequence and Additional Evidence of the Preservation of Cretaceous Protein.
http://pubs.acs.org/doi/abs/10.1021/acs.jproteome.6b00873?journalCode=jprobs

45 Live birth in an archosauromorph reptile.
http://www.nature.com/articles/ncomms14445

44 Evidence of preserved collagen in an Early Jurassic sauropodomorph dinosaur revealed by synchrotron FTIR microspectroscopy.
http://www.nature.com/articles/ncomms14220

43 Dinosaur incubation periods directly determined from growth-line counts in embryonic teeth show reptilian-grade development.
http://www.pnas.org/content/114/3/540.abstract

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