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Showing results for tags 'upper pliocene'.
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This one comes from Upper Pliocene Pico Formation (So Cal in Newhall) of a shallow marine area that, normally, is mainly gastropods and bivalves type fossils, rarely turtles. I was cleaning some up for the local elementary schools to use but this one has some structure to it that has me wondering if it is possible soft tissue. It is unlike the usual concretions I see in either marine or terrestrial. It looks remarkably like tissue which I can’t capture with picture, especially the microstructure which, again, looks like tissue. It is certainly not fossilized osseous tissue (we’ve pulled out and donated ample of that). There is a mammalian tooth, not pinniped, that I haven’t fully worked out (still deciding about leaving it) but it is just outside of this area in silt/mud cementation around this and yet to be determined if critter lost a single tooth or if more is to be found. There is also a triangular imprint (I think) that I am leaving alone for now. Ideas?
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- pico formation
- soft tissue fossil
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From the album: Invertebrates
Eriotremex sp. Horntail Late Pliocene Piacenzian Willershausen a. Harz Lower Saxony Germany-
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A couple of weeks ago, I posted a topic asking for help with some mollusk IDs. MikeR kindly identified them for me, and suggested that they were from the Upper Pliocene Pinecrest Beds of the Tamiami Formation. Today I'm posting the rest of that batch of fossils. These were collected from the same site as the last bunch. This time, I have an idea of what they might be, I'm largely looking for confirmation or correction. My IDs are based entirely on the Florida Museum of Natural History image galleries online. All scales are centimeters, with half-cm marks. First, a conch. Is this Melongena corona? Second, a murex. Phyllonotus globosus? Third, a miter shell. Pleioptygma ronaldsmithi? Fourth, a wentletrap. Pyrazus scalatus? Fifth, a thorny oyster. Arcinella cornuta? I have several more that I'll post in the comments.
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- Florida
- gastropods
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