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Cartorhynchus lenticarpus • A Basal Ichthyosauriform with A Short Snout from the Lower Triassic of China

The incompleteness of the fossil record obscures the origin of many of the more derived clades of vertebrates. One such group is the Ichthyopterygia, a clade of obligatory marine reptiles that appeared in the Early Triassic epoch, without any known intermediates. Leer más.

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