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Found 13 results

  1. bockryan

    Decapoda

    From the album: Fossil Collection: DC Area and Beyond

    Decapoda Holden Beach, NC Peedee Formation Late Cretaceous
  2. Cretaceous Porcelain Crab Petrolisthes landsendi new species Late Cretaceous (Comox/Haslam Formation) Saanich Peninsula, Vancouver Island, British Columbia, Canada Donated to the Royal British Columbia Museum, Victoria, BC https://www.researchgate.net/publication/347129633_A_new_species_of_Petrolisthes_STIMPSON_1858_Anomura_Porcellanidae_from_the_Upper_Cretaceous_upper_Santonian_of_Vancouver_Island_Canada It was determined that this fossil specimen collected by me and formerly residing in my collection was potentially a new species. After sending the specimen to Torrey Nyborg for examination, it was confirmed to be a new species of Porcelain crab from the late Cretaceous of Southern Vancouver Island. This new species was determined to be the "oldest species of Petrolisthes Stimpson, 1858 and is the first species from the northeastern Pacific".
  3. Take this proposal with a grain of salt. Posting it here because I didn't know where else to post it. References: https://www.mindat.org/taxon-8521156.html https://en.m.wikipedia.org/wiki/Callianassa https://pubmed.ncbi.nlm.nih.gov/36095673/ https://nathistoc.bio.uci.edu/crustacea/Decapoda/Neotrypaea californiensis/index.htm C. mortoni material I used in my research: Proposal:
  4. Fossilsupremacy

    Is this a lobster?

    Found this nearby my house in a rockpile- it looks like some of the lobster fossils i’ve seen on here, but i just wanna be completely sure. It’s 3 centimeters long, half a centimeter wide. Here are the photos i took (sorry the lighting sucks, i’m trying to heal some pretty bad sunburns) image 1 (top) Image 2 (bottom) image 3: right image 4: left image 5: front image 6: back
  5. On the 1st I had the opportunity for another trip and made it out to Morton County. I was waiting until now to post the report because I wanted to finish preparing a crab to include in the report but I've been busy. I went to one Fox Hills Formation site but mostly I had sites lined up from the Paleocene Cannonball Formation and some Fort Union Group formations. Compared to Emmons County across the Missouri River there is less Fox Hills Formation and it is replaced mostly by the overlying Hell Creek Formation and Paleocene units. Some scenery showing outcrops of the Cannonball Formation at one of the sites. Outcrops are common but fossils in the formation are rather slim pickings. Small crab bearing concretions have been reported from the Cannonball Formation once in the past but the sites where they were collected and the species described has since been destroyed. A shame considering the overall rarity of crabs from the interior seaways and North Dakota overall. The concretions were instantly recognizable at this site but were sparsely fossiliferous. Because of that I was splitting most of the concretions in the field. Persistence did pay off and as I was about to give up I did come across a crab. Later I glued the concretion back together to prep it. After preparation. I was hoping for a more complete and well preserved crab (something like Washington crabs) but considering the rarity I really can't complain. This is Camerocarcinus arnesoni. A carpus underneath the carapace. I also found a manus in the concretion. An internal mold of Arctica ovata from a nearby site. Only one other Arctica was found. There is one more crab bearing concretion to prep but it appears to be much more partial. There's also some concretions I was unable to split in the field so I brought back to exert more muscle on them. Hopefully there will be more stuff.
  6. Hello all, I was fortunate enough to find a donation worthy specimen last May (2019) during a North Carolina Fossil Club trip to a local quarry. I picked this up while walking along a quarry road and immediately recognized it as being a crab carapace, but I did not know the significance until some members of the NCFC (including our own @sixgill pete) informed me that it was very likely a new species. They then introduced me to Trish Weaver, the collections manager of the NCFC, and I donated it to the museum. Fortunately, Trish and Alessandro Garassino let me contribute to the writing of the manuscript that describes the specimen and let me be a co-author. I am incredibly grateful to all of those people that made this discovery and subsequent publication possible. Common or Scientific Name: Matutites collinsi Geologic Formation or Geologic Age: Spring Garden Member of the Castle Hayne Formation (Middle Eocene Region the fossil was found: North Carolina, USA Museum or University that received the fossil: North Carolina Museum of Natural Sciences Link to Publication: https://www.schweizerbart.de/papers/njgpa/detail/296/93733/Matutites_collinsi_n_sp_Crustacea_Decapoda_Matutidae_from_the_Spring_Garden_Member_of_the_Castle_Hayne_Formation_in_North_Carolina_USA
  7. I found this today in the Ripley Formation (Late Cretaceous (Maastrichtian) of ne Mississippi. Am I right in thinking it’s a crab finger? Which one? Thanks. coin is 19 mm in diameter.
  8. This crab along with another of the same type are currently with Torrey Nyborg of Loma Linda University in California. I'm told they are Paradoxicarcinus sp. (possibly P. nimonoides or maybe something new). At any rate Torrey Nyborg expressed interest in examining and describing them because he felt they may be something new. If they are indeed new and/or are published they will be donated to the Royal British Columbia Museum, in my hometown of Victoria (BC), not far from where these and other crab fossils were found).
  9. This specimen of a possibly new crab (galatheoid? or homolodromid?) from southern Vancouver Island has been sent, for study and description, to Torrey Nyborg at Loma Linda University in California. The specimen is to be donated to the Royal British Columbia Museum in Victoria, BC. I will update the forum once I've heard back from Torrey on the status of the specimen. Torrey has also expressed interest in a number of other decapod crustaceans collected in association with this specimen. So those fossils may eventually make their way (two already have) to him for description and potential donation to the RBCM.
  10. Long ago, back in the late 1980s, I lived in British Columbia and had the opportunity to collect in the Late Cretaceous Nanaimo Group. I realized that many of the crabs and lobsters I was collecting were undescribed, so I made an effort to collect any material I came across. I tried to find a collaborator willing to help describe the material, but (for reasons I described elsewhere) that didn't work out, and I was encouraged to take on the writing myself. Since I had to focus on my own research career, which actually has nothing to do with paleontology, the project languished and over time most of the taxa were described independently by others, based on specimens collected by other people. Although I would have loved to contribute to the published record of the Nanaimo Group I became convinced that that would not happen. Then, about two years ago, I was corresponding with Torrey Nyborg (a fossil decapod expert well known to some Forum members @fossisle @MB @Al Dente) and found out that he was working on some new species of the crab genus Archaeopus from Vancouver Island and California. I sent him my material, one thing led to another, and the paper has just been published. I am very grateful that Torrey included me as a coauthor. I was also able to contribute the holotype of Archaeopus morenoensis (Figure 15 panel A, attached below), which is actually from California. So thanks to Torrey I feel my long-ago efforts paid off. Don
  11. palaeopix

    Joeranina2.jpg

    From the album: Cretaceous Vancouver Island

    Joeranina platys Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  12. palaeopix

    crab 3.jpg

    From the album: Cretaceous Vancouver Island

    ?Bicornisranina bocki? Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  13. palaeopix

    crab comp 2.jpg

    From the album: Cretaceous Vancouver Island

    Joeranina platys Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
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