Discoveries from the Late Devonian Gogo Formation in the Canning Basin, Western
Australia, have provided insights into the origin and evolution of many unique gnathostome …

Fishes can make diverse traces with various functions such as feeding, resting, dwelling,
and nesting (mating). The most common fish trace fossil, however, may be the fish swimming …

During fish growth, short periods of rapid changes (morphological, behavioral, physiological,
ecological), or thresholds, are interspersed with longer periods of slower development, the …

For the understanding of the evolution of jawed vertebrates and jaws and teeth,'placoderms'
are crucial as they exhibit an impressive morphological disparity associated with the early …

Revision of the Late Devonian ptyctodonts Page 1 Estonian Journal of Earth Sciences 2024,
73, 1, 1–14 https://doi.org/10.3176/earth.2024.01 www.eap.ee/earthsciences Estonian …

New studies on Frasnian ptyctodonts, including the revision of historic material in addition to
the description of new material, have resulted in the detailed description of two species of …