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Hey all, Apologies for my hand in the photos, they're the only pics of the fossils I will be able to take for a while. Here are two fossils found at the Topanga Formation, or The Ampitheater, a roadside sandstone and siltstone bed in Topanga Canyon, Southern California housing middle Miocene fossils. The clam was my best find, but I'm not sure of its exact categorization. It measures about 4 inches long and 2.5 inches wide and thick. (10.16 cm x 6.35 cm x 6.35 cm) I had some thoughts based on this list that it may be Chionopsis temblorensis (Anderson, 1905), or Saxidomus nuttalli (Conrad, 1837). Also found were these segments which I inadvertently snapped apart, but which revealed some kind of crystallization of the interior. It would be really nice to know what kid of process made that, I tried to start the ID process myself and was unable to find a resolution. Your help is much appreciated, o wise ones. (;