Icarealcyon malagasium Beltan, 1984
Icarealcyon malagasium Beltan, 1984
Early Triassic
Dienerian
Sakamena Formation
Ambilobe
Madagascar
Due to its enormous pectoral fins, Icarealcyon malagasium was described by Beltan as a "poisson volant" - a "flying fish" - in the family Semonotidae (not related to what is now known as "flying fish" - these are Exocoetidae in the order Beloniformes).
You would expect flying fish to be fast swimmers - the rather thickset appearance of Icarealcyon more likely hints to slow swimmers with relatively high maneuverability (comparable to Albertonia from British Columbia).
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