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Recently I’ve found some strange fossils from an area in Simi Valley (Southern California). I had thought there were only shells, but turns out there is vertebrate material! Among other fragments, I found a couple big whale vertebrae as well as this piece here that I am unsure about. I’ve seen some mentions of fossils from smaller marine mammals like dolphins and pinnipeds, maybe it’s one of those? Unfortunately there only one end present, so I’m not expecting to get anything too specific. The formation is about 5 million to 11 thousand years more. Hopefully I can get some more interesting things from that spot. Thanks!
MightyPretzel posted a topic in Fossil IDHappy holidays everyone. I would greatly appreciate help identifying the following specimen. It was collected in the Santa Susana Mountains of Simi Valley, Ventura County, California. It came from the Saugus or Pico Formation. Saugus is late Pleistocene to late Pliocene while Pico is middle Pleistocene to Pliocene. My uncertainty regarding the exact formation arises from the fact that (1) it was float material already weathered out of the formation it came from and (2) based on limited research and knowledge, I believe there has been a lack of consenus regarding differentiation of the two formations (see recent work by Richard Squires et al. in Valencia and R. Squires in Newhall). I assume it is marine since all of Pico is marine and Saugus is non-marine to marine. At first I thought it was a shark tooth when I picked it up but I threw that thought out the window when I realized it had three serrated edges. Measures 22 millimeters long and 6.5 millimeters wide. It is 4 millimeters tall on one end and 9.5 millimeters tall on he end that has the needle structure. There are three to four 'bumps' on both long sides on the end with the needle. The bumps look evenly spaced. I can and will do my best to provide additional info if needed.
Found these in the big quarry area. So figure Pleistocene to maybe Pliocene. Oh..for those who are not familiar..North West Simi Valley. They have been doing mining so things popping up again. Because of it being a ocean, creek and land environment could be anything. The last one was thought to maybe be elephant. As per Bobby. have no idea on last pic. They are fossils.
MightyPretzel posted a topic in Fossil IDGreetings everyone! I am a long time follower of this site. This is my first posting. Thanks ahead of time for any assistance in identifying the following. I recently found a fossilized bone and what looks like a fossilized organ or concretion. I am usually pretty good about recognizing a concretion when I see one. However, this one looks a lot different from the concretions I normally come across in the area. They were both found within several feet of each other in an alluvium/terrace deposit. R. Squires describes the alluvium as "nonmarine, Holocene, last 10,000 years" and the terrace deposit as "nonmarine, upper Pleistocene, 50,000 to 10,000 years." The location is immediately adjacent to the Santa Susana Formation (marine, upper Paleocene to lower Eocene, 54 to 50 million years) and the Simi Conglomerate (nonmarine to marine, lower Paleocene, 65 million years). There are several other formations in the general vicinity of this location. I have several pictures of both (see below). The first set (F1) are of the bone, the second set (F2) is of the possible organ/concretion.