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Fossil Friday Roundup: March 29, 2019

Featured Image: Tylosaurus bernardi IRScNB 3672. From Jiménez-Huidobro and Caldwell (2019).

Papers (All Open Access):

  • Darwin review: angiosperm phylogeny and evolutionary radiations (ProcB)
  • A new species of Zorotypus (Insecta, Zoraptera, Zorotypidae) and the earliest known suspicious mating behavior of Zorapterans from the mid‐cretaceous amber of northern Myanmar (Link)
  • Predators And Preys: A Case History For Saurichthys (Costasaurichthys) costasquamosus Rieppel, 1985 From The Ladinian Of Lombardy (Italy) (RIPS)
  • Loancorhynchus catrillancai gen. et sp. nov., a new swordfish (Xiphioidei, Blochiidae) from the Middle Eocene of central Chile (PeerJ)
  • Cytogenetics, genomics and biodiversity of the South American and African Arapaimidae fish family (Teleostei, Osteoglossiformes) (PLOS ONE)
  • Evidence of cryptic lineages within a small South American crocodilian: the Schneider’s dwarf caiman Paleosuchus trigonatus (Alligatoridae: Caimaninae) (PeerJ)
  • A New Hypothesis of the Phylogenetic Relationships of the Tylosaurinae (Squamata: Mosasauroidea) (Frontiers in Earth Science)
  • Large neotheropods from the Upper Triassic of North America and the early evolution of large theropod body sizes (Journal of Paleontology)
  • A new transitional therizinosaurian theropod from the Early Cretaceous Jehol Biota of China (SciRep)
  • Quaternary climatic fluctuations and resulting climatically suitable areas for Eurasian owlets (Ecology and Evolution)
  • Parental care or opportunism in South African Triassic cynodonts? (SAJS)
  • Alpha and sigma taxonomy of Lystrosaurus murrayi and L. declivis, Triassic dicynodonts (Therapsida) from the Karoo Basin, South Africa (SAJS)
  • A neotype for Didelphis marsupialis Linnaeus, 1758. (American Museum novitates)
  • Diversity and Disparity of Therocephalia: Macroevolutionary Patterns through Two Mass Extinctions (SciRep)
  • Mechanical significance of morphological variation in diprotodont incisors (RSOS)
  • Late Miocene Fossil Calibration from Yunnan Province for the Striped Rabbit Nesolagus (Vertebrata PalAsiatica)
  • Shifts in cranial integration associated with ecological specialization in pinnipeds (Mammalia, Carnivora) (RSOS)
  • Functional tests of the competitive exclusion hypothesis for multituberculate extinction (RSOS)
  • A new early Pliocene locality Tepe Alagöz (Turkey) reveals a distinctive tooth phenotype of Trischizolagus (Lagomorpha, Leporidae) in Asia Minor (PalaeoE)
  • A preliminary study of serial stable isotope analysis tracks foraging ecology of fossil Asian elephants in South China (Vertebrata PalAsiatica)
  • Mammut pacificus sp. nov., a newly recognized species of mastodon from the Pleistocene of western North America (PeerJ)
  • Old wild wolves: ancient DNA survey unveils population dynamics in Late Pleistocene and Holocene Italian remains (PeerJ)
  • The evolutionary contingency thesis and evolutionary idiosyncrasies (Biology and Philosphy)


  • Extinction and the U.S. Endangered Species Act (PeerJ)

Community Events, Society Updates, and Resources:


  • 11th Conference on Fossil Resources, Casper, Wyoming, May 30-June 2, 2019 (Link)
  • North American Paleontological Convention June 23–27 2019 (Link)

National Fossil Day Updates:

  • National Fossil Day 2019: Call for Partners, Art Contest (PLOS Paleo)

News and Views:

Animals and Anatomy:

  • An introduction to pterosaurs (PJCDM Blogsaur)
  • Hadrosaurus: Beast of the week (PBW)
  • What is Lingyuanosaurus? (Theropod Database Blog)
  • World’s biggest T. rex discovered (NatGeo)
  • Our knowledge of dinosaurs is evolving. So is the way we depict them (Link)
  • Mastodon Surprise! An Interview with Alton Dooley (PLOS Paleo)

Featured Folks, Fieldwork, and Museums:

  • Dr. Kenneth Lacovara, dean of the School of Earth & Environment, receives The Explorers Club Medal (Link)
  • NHM Museum palaeontologists to join dino dig in Wyoming, USA (c)

Arts, Books, Culture, Fun:

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