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Move over "Jurassic Park," the "Triassic Circus" is thundering into town in a new Special Issue of The Anatomical Record.
Anat Rec (Hoboken)
April 2024
Department of Anatomy, Midwestern University, Glendale, Arizona, USA.
Fossil Genera in Elateridae (Insecta, Coleoptera): A Triassic Origin and Jurassic Diversification.
Insects
June 2020
Department of Zoology, Faculty of Science, Palacky University, 17. listopadu 50, 77146 Olomouc, Czech Republic.
Insect fossils bear important information about the evolutionary history of the group. The fossil record of Elateridae, a large cosmopolitan beetle family, has been greatly understudied and the available data are often replete with ambiguity and uncertainty. The research of Elateridae evolution cannot be done without solid genus-group name concepts.
View Article and Find Full Text PDFHyaluronic acid in the tail and limb of amphibians and lizards recreates permissive embryonic conditions for regeneration due to its hygroscopic and immunosuppressive properties.
J Exp Zool B Mol Dev Evol
December 2017
Comparative Histolab, Padova, Italy.
The present review focuses on the role of hyaluronate (hyaluronic acid; HA) during limb and tail regeneration in amphibians and lizards mainly in relation to cells of the immune system. This non-sulfated glycosaminoglycan (GAG) increases in early stages of wound healing and blastema formation, like during limb or tail embryogenesis, when the immune system is still immature. The formation of a regenerating blastema occurs by the accumulation of mesenchymal cells displaying embryonic-like antigens and HA.
View Article and Find Full Text PDFComputer Simulations Imply Forelimb-Dominated Underwater Flight in Plesiosaurs.
PLoS Comput Biol
December 2015
School of Interactive Computing, Georgia Institute of Technology, Atlanta, Georgia, United States of America.
Plesiosaurians are an extinct group of highly derived Mesozoic marine reptiles with a global distribution that spans 135 million years from the Early Jurassic to the Late Cretaceous. During their long evolutionary history they maintained a unique body plan with two pairs of large wing-like flippers, but their locomotion has been a topic of debate for almost 200 years. Key areas of controversy have concerned the most efficient biologically possible limb stroke, e.
View Article and Find Full Text PDFChapter 2. Vulnerability of marine turtles to climate change.
Adv Mar Biol
January 2010
Climate Adaptation Flagship, CSIRO Marine and Atmospheric Research, Cleveland, Queensland 4163, Australia.
Marine turtles are generally viewed as vulnerable to climate change because of the role that temperature plays in the sex determination of embryos, their long life history, long age-to-maturity and their highly migratory nature. Extant species of marine turtles probably arose during the mid-late Jurassic period (180-150 Mya) so have survived past shifts in climate, including glacial periods and warm events and therefore have some capacity for adaptation. The present-day rates of increase of atmospheric greenhouse gas concentrations, and associated temperature changes, are very rapid; the capacity of marine turtles to adapt to this rapid change may be compromised by their relatively long generation times.
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