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Showing results for tags 'pliocene'.
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Pterorytis roxanae Petuch, 1994 Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: High shoulder triangular in shape. P. roxanae lacks the labrial tooth that is found in the other two species within this genus. -
From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Muricidae Pterorytis fluviana (Dall, 1903) Statigraphy: Pinecrest Sand Member of the Tamiami Formation Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Geographically widespread species in the Upper Pliocene and Lower Pleistocene of the Southeastern US, ranging from Virginia to Florida. Pterorytis conradi from the Lee Creek Mine, Aurora, North Carolina is a junior synonym of this species. -
Westmoreland State Park, VA, USA: Unidentified possible vertebrae, rib(?), and shark tooth
Bowmania posted a topic in Fossil ID
Hi all, I had a fairly productive first outing to Westmoreland State Park but I have no idea what any of the fossils I found are. I am happy to provide close-ups of any of the individual fossils, and in addition to the photos here, I posted some to imgur to get around the size restriction here. https://imgur.com/gallery/2uIedQS Thanks for your help!- 11 replies
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Hello all, I recently returned from Peace River with a few finds, including this 15 mm fossil. I believe it's a small herbivore tooth, but I'm new here so would greatly appreciate help on the ID. Thanks!
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Found by my buddy on a river gravel bar/bank in southern Minnesota. As I've stated in some previous posts the geology in our area is upper Cretaceous. However, the river where this specimen was found pulse floods and is like a giant gravel mixer. In the past and more recently Pleistocene fossils have been found in the river gravel deposits in my area (mammoth, bison, etc). It general it is very difficult to age by geology/context. I'm hoping ancient horse but more sets of eyes on it are better. What do you think and thanks!? Any thoughts on age? Ancient horse or not?
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Pliocene/Miocene Invertebrates, Humboldt County CA.
Spoons posted a topic in Member-to-Member Fossil Trades
Hey everyone! This will be my first attempt at a trade in the TFF. Im offering a variety of fossils from the Price Creek Formation of Humboldt County, Northern California. This formation has been dated to late Miocene early Pliocene. As far as to what I’m looking for in this trade, I love all things Mollusca! Gastropods, Bivalves, Ammonites, Belemnites or Brachiopods, I’ll take them all. Invertebrates of any kind will strike my fancy though. The weirder the better. I’ve seen some Ram’s Horn Oysters that are awesome! I have no qualms about trading for these as a whole set, however shipping would be cheaper. I’m willing to ship anywhere in the United States, if your international I’m afraid that you’ll have to absorb that cost. I really appreciate all the knowledge that members have been forthcoming with sharing. Please pm me if your interested. -Nick- 7 replies
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Hello all Up for trade is this Chilean Carcharodon carcharias. It was found in the Huarra formation, near Antofagasta. The tooth is just over 2 inch measured on the longest side. I want to trade this for trilobites, dinosaur, Crocodile or other reptile stuff, Kem Kem material, insects, fossil fish or something surprising. Unfortunately, I will not be able to send this piece untill the quarantine in my country is lifted.
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From the album: Plantae
2m. long seed from the brown coal quarry at Frechen, NRW. Late Pliocene -
Help request! I am putting together a tool for judging rock age based on very crude, whole-rock, hand-sample observations of fossil faunas/floras -- the types of observations a child or beginner could successfully make. I view this as a complement to the very fine, species-level identifications commonly employed as index fossils for individual stages, biozones, etc. Attached is what I've got so far, but I can clearly use help with corals, mollusks, plants, vertebrates, ichnofossils, and the post-Paleozoic In the attached file, vibrant orange indicates times in earth history to commonly observe the item of interest; paler orange indicates times in earth history to less commonly observe the item of interest. White indicates very little to no practical probability of observing the item of interest. Please keep in mind that the listed indicators are things like “conspicuous horn corals,” purposefully declining to address rare encounters with groups of low preservation potential, low recognizability, etc. Got additions/amendments, especially for the groups mentioned above? Toss them in the comments below! Thank you..... https://docs.google.com/spreadsheets/d/1tVm_u6v573V4NACrdebb_1OsBEAz60dS1m4pCTckgyA
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- algae
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Recently found this fossil in Capitola Beach, California. I found an abundance of fossilized shells in the area, but this one looked dissimilar. Anyways, is it possible that this is just a disfigured shell? Or is it something else? Thanks for your time!
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Recently stumbled across this, possible, fossil in Capitola Beach, CA. I found an assortment of fossilized shells but was unsure of this find. Anyways, I’m new to fossil hunting and don’t have an exceeding amount of experience, so any knowledge regarding what this could possibly be would be helpful. Thanks!
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Hi, just going through some rocks I brought back from Norfolk, UK, thinking quite a few may be fossils (I didn't have long so just grabbed anything I thought looked suspiciously organic by intuition) and as it turns out I think I was quite correct in a number of cases - I think I have quite a few pieces of whale and and a few little bits of mammoth tooth. Trying to confirm this to myself led to a lot of reading and learning online about the local geological formations involved and also whale anatomy, both new topics for me which I always enjoy delving into - part of the enjoyment of fossil hunting for me - I'm less of someone looking for beautiful specimens for display (though I'm not going to turn those down!) and more someone who loves the detective work of trying to identify obscure parts and recreate some aspect of the vanished world before us from its traces. And searching through whale anatomy and what these weird chunks could be I came across a picture of a whale periotic and realised that the weird little pot structure I had was almost definitely one of these, which if I am correct is good because I believe they are one part of a fragmented whale anatomy that is quite diagnostic. Also I then realised that a strangely hooked piece I found right next to it could well be the tympanic! The preservation here is unusual because many theorise that these kind of whale fossils were first laid down in sandstone in the Miocene when Norfolk was covered with a shallow warm sea, and then later in the Pliocene and early Pleistocene when temperatures dropped sea levels dropped too and the area became land (part of the reason the geology of this area is interesting is the constant transgression and regression of the sea over a few million years), these Miocene rocks were eroded away and the harder fossils reworked into new estuarine or nearshore sediments of this era, often but not always with a layer of hard iron-rich concretion coating them which helped protect them (I guess one question would be, is there anyway of easily removing this hard concretion layer?) So if I am right, these are bones from Miocene whales (many showing signs of shark damage), reburied in the Pliocene / Early Pleistocene and then finally eroded out again in the modern day - quite a journey! Anyway, enough background, for starters I'd love to see what people think about this periotic / tympanic. Am I right? Here's a summary of my findings (note I used a pic of dolphin periotic someone posted here for comparison so I hope that isn't too cheeky)
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Columbella mercatoria (Linnaeus, 1758) Statigraphy: Tamiami Formation, Golden Gate Member. Location: Bonita Grande Pit, Lee County, Florida USA. Status: Extant Notes: Also known as the Common Dove Shell. Spiral sculpture varying. A more squat shell than C. rusticoides.-
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- florida
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Columbella rusticoides Heilprin, 1886 Statigraphy: Tamiami Formation, Pinecrest Sand Member. Location: SMR Phase 10 Pit, Sarasota County, Florida USA. Status: Extant Notes: Common name is the Rusty Dove Shell. Generally smooth at center of the body whorl.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Anachis amydra Dall, 1890 Statigraphy: Tamiami Formation, Pinecrest Sand Member. Location: SMR Phase 8 Pit, Sarasota County, Florida USA. Status: Extinct Notes: Larger ribs, but fewer in number than C. caloosaensis.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Costoanachis caloosaensis (Dall, 1890) Statigraphy: Tamiami Formation, Pinecrest Sand Member. Location: Quality Aggregates, Sarasota County, Florida USA. Status: Extinct Notes: Highly variable ribbing, strong spirals. Similar to extant C. avara, but larger.-
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From the album: Gastropods of the Tamiami Formation
Order Neogastropoda Family Columbellidae Costoanachis camax (Dall, 1890) Statigraphy: Tamiami Formation, Pinecrest Sand Member. Location: APAC Pit, Sarasota County, Florida USA. Status: Extinct Notes: Strong ribs and spirals along the length of the shell.-
- columbellidae
- florida
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