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Showing results for tags 'cambrian'.
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From the album: Pierson Cove // Marjum Formation Fossils
Perfect specimen! Thanks to Jon for prepping this out! -
From the album: Pierson Cove // Marjum Formation Fossils
Weathered but complete bug! -
Brachyaspidion sulcatum Double
cameronsfossilcollection posted a gallery image in Member Collections
From the album: Pierson Cove // Marjum Formation Fossils
Partial double with a beautiful hash plate on the reverse. -
From the album: Pierson Cove // Marjum Formation Fossils
A brilliant example of this uncommon species. -
From the album: Pierson Cove // Marjum Formation Fossils
A cool brown Brachyaspidion from a different section of the mountain. -
From the album: Pierson Cove // Marjum Formation Fossils
Beautiful example of a puny species. Pierson Cove -
From the album: Pierson Cove // Marjum Formation Fossils
Marjum Formation, found this surface collecting after I got sick of working the insanely tough rock. -
From the album: Pierson Cove // Marjum Formation Fossils
Uncommon corynexochiid from Pierson Cove. Partial cheekless molt, but rare! -
From the album: Pierson Cove // Marjum Formation Fossils
Enigmatic fossil from the Pierson Cove. Less prevalent here than at the Wheeler outcrops we explored. -
From the album: Pierson Cove // Marjum Formation Fossils
PC Agnostid with dark anterior spines -
From the album: Pierson Cove // Marjum Formation Fossils
Nice brachyaspidion that split out at home, just needs a bit of work and it’ll be perfect! -
From the album: Pierson Cove // Marjum Formation Fossils
A nice, puny Jenkinsonia from PC prepped out by Jon! -
From the album: My Kinzers Formation Fossil Collection
The B-Side to the nice Wanneria I found with Dean Ruocco in 2022. This bug was in his collection until I traded him for it. Thanks Dean! -
From the album: My Kinzers Formation Fossil Collection
Here’s a perfectly articulated example of a once plentiful, now elusive Cambrian species. This is a puny bug, yet it is almost fully matured. The specimen measures less than just below one centimeter from cephalon to axial spine. Every delicate spine is in place, even the fragile axial spine! I was able to remove a thin layer of rock from atop the fragile cephalon without damaging the trilobite, making it one of my nicer finds this year. The bug is in the anti-Goldilocks zone of being just too big to focus under my hand magnifier to get the axial spine in focus along with the body, but you can still make it out in the photo. -
Paedumias yorkensis (?) juvenile
cameronsfossilcollection posted a gallery image in Member Collections
From the album: My Kinzers Formation Fossil Collection
Though I’m fairly sure P. yorkensis is currently invalid, this definitely isn’t Olenellus. About 4 mm, I believe the rest of this immature trilobite may be buried underneath the rock. I will prep it once I have the proper tools! -
From the album: My Kinzers Formation Fossil Collection
A nice, small Olenellus getzi waiting to be prepared. It’ll be around 2 cm when fully revealed! I’m This one should turn out beautiful, it’s certainly under there! -
Larval olenellid cephalon molt
cameronsfossilcollection posted a gallery image in Member Collections
From the album: My Kinzers Formation Fossil Collection
The smallest trilobite fossil in my collection, this shed cephalon is less than one millimeter in length. -
From the album: Pioche Formation
I split this beauty out last Spring, unfortunately the positive ended up crumbling away. The specimen is about an inch and a half long, a fully mature yet relatively puny example of this iconic species. -
From the album: My Kinzers Formation Fossil Collection
A nice articulated example of the iconic olenellid with a "honeycomb" pattern from the Kinzers Formation in Pennsylvania. The trilobite is nearly three inches in length, and could use a bit of prep on the cephalon and thoracic spines. This was acquired in a trade with @Dean Ruocco, who snagged the bug at a local fossil show. -
Hello, Could I get an identification for this fossil from the Cambrian of Yunnan, China? It was described as a "Chancelloria", but I don't know if that specific genus is described from this locality and the sclerites aren't star-shaped. It may be a related Chancelloriid, and it seems there are several described from China. My best guess is something like Allonia: https://www.researchgate.net/publication/316342674_Chancelloriid_Allonnia_erjiensis_sp_nov_from_the_Chengjiang_Lagerstatte_of_South_China http://www.paulselden.net/uploads/7/5/3/2/7532217/zhaoetal2018small.pdf I wish I could get higher-res photos of the sclerites but unfortunately I don't have a camera besides my phone. PS. Also, what could that grey+orange conical object next to the Chancelloriid be? Part of a trilobite genal spine?
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This trilobite is identified as a larval Paradoxides mureroensis, specifically the late meraspid stage. It comes from Murero, Zaragoza, Spain, is 0.8 cm long and from the Middle Cambrian.
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Protomelission is an early dasyclad alga and not a Cambrian bryozoan?
Oxytropidoceras posted a topic in Fossil News
520-million-year-old animal fossils might not be animals after all The specimens may be an ancient type of algae, not creatures known as bryozoans ScienceNews, March 10, 2023 The paywalled paper is: Yang, J., Lan, T., Zhang, X.G. and Smith, M.R., 2023. Protomelission is an early dasyclad alga and not a Cambrian bryozoan. Nature, published online, March 8, 2023 pp.1-5. Yorus, Paul H. -
Hello friends. It's been a while since my last post and I wanted to share with you my new acquisitions and, better yet, help me confirm the identification of these specimens. 1: The place of origin is Liaoning, China. 2: The place of origin is Yunnan, China. naraoia? 3: The place of origin is Yunnan, China. Isopyx minor?. 4: The last and my favorite (although a bit fragmented). The place of origin is Harbin, China. I appreciate the ID. They are not the best specimens, but I love these pieces.
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The only information that I have on this one is that it's from Morocco, Middle Cambrian and Cambropallas. The piece is ~10.5" x 8. I only have the one picture, but might be able to get more if needed. As always, thanks!
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This Strange Ancient 'Fossil' May Not Have Been Left by Any Living Thing Carly Cassella, ScienceAlert, Nature, February 25, 2023 The open access paper is: Nolan, M.R., Walker, S.E., Selly, T., and Schiffbauer, J. 2023, Is the middle Cambrian Brooksella a hexactinellid sponge, trace fossil or pseudofossil? Peer J. Yours, Paul H.
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