Jack.P Posted March 3 Share Posted March 3 Hello fellow fossil people, The images are of an unknown specimen collected from a well known fossil site just south of the city Melbourne in Victoria, Australia. I'm finding it difficult to even get a genus let alone species on this. I'm thinking its perhaps some kind of crab species given what appears to be four leg sockets on each side. Another thought regarding ID is a lamp shell, Brachiopoda perhaps in the family Terebratulidae? The ruler scale in the photos is in millimeters. Thanks in advance for spending time looking at this and would be happy to answer any questions or provide more photos if needed. Kind regards, Jack 3 Link to comment Share on other sites More sharing options...
Brevicollis Posted March 3 Share Posted March 3 Its definitly the body of a crab, you can see the leg joints on one side. Which species it is, i dont know. 5 Are good signatures really that important ? Link to comment Share on other sites More sharing options...
Ludwigia Posted March 3 Share Posted March 3 Maybe @mamlambo or @MB has an idea? Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
mamlambo Posted March 3 Share Posted March 3 I would say a crab but doesn't look like the common one I have seen from there, Ommatocarcinus corioensis. Have you asked on the FB group dedicated to fossils of that area? https://www.facebook.com/groups/434494650458915/search/?q=crab Link to comment Share on other sites More sharing options...
DPS Ammonite Posted March 3 Share Posted March 3 Rather fuzzy likely Spirorbis visible which indicate a marine fossil. My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
Jack.P Posted March 3 Author Share Posted March 3 2 hours ago, mamlambo said: I would say a crab but doesn't look like the common one I have seen from there, Ommatocarcinus corioensis. Have you asked on the FB group dedicated to fossils of that area? https://www.facebook.com/groups/434494650458915/search/?q=crab Hi mamlambo, I do not have facebook so I have not asked the facebook group. Cheers. Link to comment Share on other sites More sharing options...
Jack.P Posted March 3 Author Share Posted March 3 10 minutes ago, DPS Ammonite said: Rather fuzzy likely Spirorbis visible which indicate a marine fossil. Ah yes good observation, sorry I should have mentioned in my original description that this specimen was recovered from the ocean in shallow water about 1m deep about 5-10 meters from the beach Link to comment Share on other sites More sharing options...
mamlambo Posted March 3 Share Posted March 3 7 hours ago, Jack.P said: Hi mamlambo, I do not have facebook so I have not asked the facebook group. Cheers. I could post the photos on your behalf if you are okay with that and report back what they think Link to comment Share on other sites More sharing options...
shark57 Posted March 3 Share Posted March 3 Resembles a spider crab carapace. Link to comment Share on other sites More sharing options...
Doctor Mud Posted March 3 Share Posted March 3 Definitely a decapod/crab. I think the challenge to ID is that it is mostly internal mold? Phosphate or something. You can see traces of shell but most has been worn off while tumbling in the surf. someone might see enough for an ID though. Link to comment Share on other sites More sharing options...
Jack.P Posted March 4 Author Share Posted March 4 16 hours ago, mamlambo said: I could post the photos on your behalf if you are okay with that and report back what they think Yes feel free to post on the FB group I would be interested to see what they have to say. Link to comment Share on other sites More sharing options...
Jack.P Posted March 4 Author Share Posted March 4 16 hours ago, shark57 said: Resembles a spider crab carapace. 14 hours ago, Doctor Mud said: Definitely a decapod/crab. I think the challenge to ID is that it is mostly internal mold? Phosphate or something. You can see traces of shell but most has been worn off while tumbling in the surf. someone might see enough for an ID though. Thanks for your reply. Looking at some modern spider crabs I can see the resemblance. The point at one end of the shell really threw me off but I see a similar shape in modern spider crab species. Link to comment Share on other sites More sharing options...
MB Posted March 22 Share Posted March 22 (edited) Leucosiid crab, a kind of Myra or something similar Check Leucosioidea superfamily in my website below Edited March 22 by MB 1 http://www.mbfossilcrabs.com/ Link to comment Share on other sites More sharing options...
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