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A new fossil termite nest, Tacuruichnus farinai n. ichnogen. n. ichnosp., is described from the Barranca de Los Lobos Formation (late Pliocene) of Buenos Aires province (Argentina). The preserved part of the nest is cup-shaped, being composed of a wall, 10 cm thick, bearing a net of anastomosed tunnels, and surrounding a central cavity filled with sediments. The exterior shows the remains of a peripheral...
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