Polypterus


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Polypterus

a primitive freshwater fish of Central Africa derived, with sturgeons, from Devonian palaeoniscid stock. see PALAEONISCUS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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The unique experiment called The Terrestrialized Polypterus Experiment aimed at giving some insight into how these fossil fishes could have used their fins to move in a terrestrial environment and the way they could have evolved.
Among the most ancient of the living lineages of ray-finned fishes, the Polypterus bichirs share traits such as paired lungs with both modern amphibians and very early four-limbed vertebrates.
The species grouped as "appeared" in this study are those that were reported for the first time in the reservoir namely: Brienomormyrus brachyistius, Campylomormyrus tamandua, Heterobranchus longifilis, Polypterus endlicheri and Schilbe intermedius.
Evolution of the feeding mechanism in primitive actinopterygian fishes: a functional anatomical analysis of Polypterus, Lepisosteus and Amia.
Mechanics of the fast-start: muscle function and the role of intramuscular pressure in the escape behavior of Amia calva and Polypterus palmas.