Abstract
Abstract: An Early Triassic continental ichnofossil assemblage dominated by ∼ 4 cm diameter burrow casts was discovered in the transitional zone of the Katberg and Burgersdorp formations in the SE main Karoo Basin (Eastern Cape, South Africa). Analyses of the burrow architecture and associated sedimentary facies aim to identify the possible trace makers, their behavior, and the local depositional conditions in the Olenekian (Early Triassic) in this part of Gondwana. The burrows were excavated into a floodplain where alternating periods of flooding, drying, and pedogenesis occurred, a set of conditions often mentioned for the Lower and Middle Triassic continental deposits in southern Gondwana. However, the burrow architecture and superficial morphology are distinct from previously reported older and younger burrows in this part of Pangea. These burrows are simple vertical shafts that are occasionally J-shaped with a circular to slightly elliptical cross-section (average aspect ratio 1.2), ∼ 4 cm in diamete...
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