Definition: Inachidae is a family of extinct marine animals, which lived during the Late Cretaceous period. It includes some of the most well-preserved fossils known from that time and was part of a diverse group of marine reptiles or fish, including the chelicerates. The specific term "inachida" refers to the type of animal in this family, as it is often used for distinguishing it from other taxa. In general, these animals were characterized by their large size,
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