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Feeding Traces on a Pteranodon (Reptilia: Pterosauria) Bone from the Late Cretaceous (Campanian) Mooreville Chalk in Alabama, USA

Pterosaur remains are exceptionally rare in the Late Cretaceous marine chalks of Alabama and the few specimens found are typically very fragmentary. We report the occurrence of a metacarpal of Pteranodon cf. longiceps from the Mooreville Chalk (Campanian, 83 million years old) of Dallas County, Alabama.

Development of polymorphic microsatellite markers for a rare dragonfly, Cordulegaster sarracenia (Odonata: Cordulegastridae), with notes on population structure and genetic diversity

Kendra K. Abbott, John C. Abbott, Jeffrey D. Lozier, Rochelle R Beasley & Stacey L. Lance (2018) Development of polymorphic microsatellite markers for a rare dragonfly, Cordulegaster sarracenia (Odonata: Cordulegastridae), with notes on population structure and genetic diversity, International Journal of Odonatology, DOI: 10.1080/13887890.2018.1498398 We isolated and characterized a total of 13 microsatellite loci from Cordulegaster

Complete Ichthyornis skull illuminates mosaic assembly of the avian head

D.J. Field, M. Hanson, D. Burnham, L.E. Wilson, K. Super, D. Ehret, J. Ebersole & B.-A.S. Bhullar, published in Nature, volume 357, 3May2018. The skull of living birds is greatly modified from the condition found in their dinosaurian antecedents. Bird skulls have an enlarged, toothless premaxillary beak and an intricate kinetic system that includes a