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  1. Looking to see if anyone is able to identify this as an Anomalocaris appendage? Measures approximately 60mm Middle Cambrian Latham Shale Marble Mountains, CA, USA Thanks in advance!
  2. I have a question that came up a few days ago. I was taking a look at some common trilobites on online sales sites (some of the most common trilobites for sale in the genus Elrathia) and came across some specimens that were allegedly attacked by anomalocaris. I have various doubts. How common are trilobite fossils that suffered from predator attacks? Is it possible to know which animal was the one that carried out the attack on the trilobite? Could they be poorly preserved or molted specimens of trilobites? I leave some images of the alleged trilobites that suffered the attacks
  3. Mochaccino

    Anomalocaris from Yunnan?

    Hello, I just got this supposed Anomalocaris fossil from Yunnan of China, Cambrian in age. It's about 1.5cm length, and I belive a section from the end of an appendage. I was wondering if someone could determine a more specific species ID for it? Hopefully my phone's camera is enough to show the details. The specimen has quite clear preservation of the ventral spines, as well as their auxiliary spines coming off the front and back, and based on that I am thinking something like Anomalocaris kunmingensis (https://www.researchgate.net/figure/Anomalocaris-kunmingensis-sp-nov-from-the-
  4. Kurufossils

    Mystery Huge Anomalocaris Appendange?

    Hi, I have this mystery piece of what appears to be anomalocarid appendage of sorts. The problem is I did not receive any information with it and it came out of an old collection from Maine, Usa. I'm not to sure what else it could be from the appearance but I am also very uncertain of the exact species. The piece of a very laminated sparkly shale If I had to guess it could've came from either Burgess Shale, Utah, or Nevada but I not sure what locality it could be from so if anyone if familiar with these shales and can tell from the preservation it would be a huge help, thank you and looking fo
  5. Got to work on these guys because some of these creatures were my inspiration of what they would have looked like in color and others are at an art show. Wonder what animals will you like to see when its unleashed before your very eyes?
  6. I am sorry for the length of this txt. I am looking for help verifying the ID of a fossil I've been finding for close to 20 years now. It is a very dificult to see poorly fossilized shrimp or trilobite like creature that everyone I've spoken to tells me can not exist. I am having a dificult time getting pictures that people on other sites will take seriously as the lines defining the structure of the creature are nearly undistinguishable from the stone itself. Everyone wants to call it pareidolia and say there is nothing there. Four or five individuals I've spoken to, whom have taken the t
  7. trimerus

    Anomalocaris Morocco ?

    Can it be a part of an anomalocaris? Ordovician, Fezouata Formation. Morocco Fossil Length 17 cm (7 inches)
  8. Mahnmut

    Some marine non-whales

    Three models, three very different animals, three methods: Anomalocaris, sculpted in fimo according to fossil drawings, 6 cm long Hesperornis, digitally distorted from a recent bird skeleton and Tyrannosaurus skull, 3d printed, 9cm long. Hydrodamalis, skull digitally distorted from a dog skull, postcranial plywood and putty like my whales, 38 cm. Aloha J
  9. When faced with a radiodont appendage fossil; How does one effectively determine which slab contains the "part" or "counterpart" ? For reference, here's the holotype Pseudoangustidontus appendage. The first pic, Figure A, is apparently the positive(?) "part" of the fossil. Whilst the second pic, Figure C, is apparently the negative(?) "counterpart". Like it's easy to tell the difference between an impression/cast, or the actual fossilised remains for hard-bodied specimens like shells, exoskeletons and bone. But for some soft-bodied organisms, it's especially difficult when bot
  10. This small fossil is from Chengjiang and was labelled as "Anomalocaris mouth" by seller. He's been wrong before and I'm rather skeptical about that interpretation. Any ideas, anyone?
  11. Still_human

    Twin anomalocaris appendages

    From the album: Invertebrates and plants(& misc.)

    Different lighting to highlight fossil differently
  12. Still_human

    Both an anomalocaris' appendages

    From the album: Invertebrates and plants(& misc.)

    Both of a single anomalocaris' appendages. Possible anomalocaris goo? A speculation I think would be very cool, that the splotchy splatters around appendages could, however likely or unlikely, be anomalocaris "filling" or fragments, since it appears the whole animal was present at the beginning, and maybe included in fossilization, immediately below the edge of this piece, since the 2 appendages are in articulated position.
  13. Still_human

    Anomalocaris appendage #2

    From the album: Invertebrates and plants(& misc.)

    Another smaller anomalocaris appendage. Possibly different species than the 1st. *more info coming
  14. Still_human

    Same as 1st anomalocaris pic

    From the album: Invertebrates and plants(& misc.)

    Different lighting to give another view
  15. Still_human

    Anomalocaris appendage

    From the album: Invertebrates and plants(& misc.)

    Relatively large anomalocaris appendage *more info to follow
  16. Still_human

    Anomalocaris body fossils

    Does anyone have any fossils of, or with anomalocaris BODIES? I'm interested in seeing what they look like. I did searches for them and they all look so random, without any features except for the overlapping ends. Even the beautiful full-animal fossils have bodies like that. Did they always fossilize so unimpressively?
  17. Still_human


    Is this an anomalocaris appendage? It was labeled as resembling an anomalocaris appendage, but Ive never seen one that looked like this, and I feel like Ive seen something else similar to this before. *wheeler shale, Utah.
  18. Still_human

    Do fossils bend?

    Ive seen a couple "fossils" recently, that have a feature that makes me wonder if they're authentic. Especially because the fossil on one looks more like it's been just stained on the rock surface, than having any actual impression. My question on here though, is if fossils can continue over creases on a rock, that appear to be a break in the level/time (the crooked line going along the underside of the apparent appendage). It's not an actual clear separate level, so I know a fossil could lay across an inconsistency on the original surface, but this one looks more like a break, so I'
  19. opabinia

    Anomalocaridid Fossils?

    Anyone here have any Anomalocarididae fossils? I do realize that if anyone did they most likely wouldn't be on this site but just wanted to know. I also realize that they are extremely rare but that I've seen things on here comparable when speaking about rarity. (Kinzers Formation PA has confirmed - anomalocaris pennsylvanica.) Thanks;
  20. This cool pic of an Anomalocaris canadensis arrived today in the mail! Done by a great Japanese paleo artist whos main love is Cambrian critters. I sent him a Chengjiang worm and Isoxys fossil as trade. I love this pic! In September I'm heading to Bali to visit my brother who runs a yoga school there. I'm going to get an Anomalocaris tattoed on my forearm and I'm thinking of using this image. Its very dynamic!
  21. From the album: Anomalocaris and friends.

    A large grasping appendage of the Chinese Anomalocaridid, Amplectobelua symbrachiata. A cousin of the Anomalocaris. This grasper is a very large example at 89mm. From the Maotianshan Shales in Chengjiang. Lower Cambrian, ~525Ma.
  22. ElToro

    Anomalocaris saron

    From the album: Anomalocaris and friends.

    A section of feeding grasper of an Anomalocaris saron from the Lower Cambrian of Chengjiang, Yunnan, China.
  23. From the album: Anomalocaris and friends.

    Textbook Amplectobelua symbrachiata feeding appendage with trilobite stuck on the end. From Chengjiang.
  24. ElToro

    Anomalocaris from Wheeler Shale

    From the album: Anomalocaris and friends.

    Grasper from an Anomalocaris sp. (not yet classified) from the Middle Cambrian Wheeler Shale of Utah. The biggest predator of its day!
  25. Hi! After seeing some great paleo art here I thought I'll give it a go. Here's a little drawing I knocked up. Its the first drawing I did since about 6years old. Its only a rough sketch but its supposed to be an Amplectobelua symbrachiata chasing an Elrathia trilobite. I tried to make it is as anatomically correct as I could. Down to the correct number of body segments and grasper podomeres. (the spots are artistic license!)
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