SafariSam Posted December 7, 2021 Share Posted December 7, 2021 This is at a museum gift shop so I can't measure or give you the location found sadly. Seems like a sand dollar of some kind. Not really my speciality. Can anyone help me find the specific species? Thanks! Link to comment Share on other sites More sharing options...
Fossildude19 Posted December 7, 2021 Share Posted December 7, 2021 I believe these polished ones are from Morocco. Not sure on Genus or species, however. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Ludwigia Posted December 7, 2021 Share Posted December 7, 2021 Mepygurus depressus from the Callovian in Madagascar. 6 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
SafariSam Posted December 7, 2021 Author Share Posted December 7, 2021 1 minute ago, Ludwigia said: Mepygurus depressus from the Callovian in Madagascar. Thank you! Link to comment Share on other sites More sharing options...
Ludwigia Posted December 7, 2021 Share Posted December 7, 2021 You're welcome. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted December 7, 2021 Share Posted December 7, 2021 2 hours ago, Ludwigia said: Mepygurus depressus from the Callovian in Madagascar. Yep. They're fond of polishing fossils there, too. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
abyssunder Posted December 7, 2021 Share Posted December 7, 2021 (edited) 3 hours ago, Ludwigia said: Mepygurus depressus from the Callovian in Madagascar. Good call, Roger! Now I can label my four ones from Madagascar. Pygurus (Mepygurus) depressus Agassiz 1847 Alternative combination: Pygurus depressus Belongs to Pygurus (Mepygurus) according to P. M. Kier 1962 Sister taxa: none Environments: marine (all collections) Age range: 164.7 to 161.2 Ma http://www.echinologia.com/galeries/insertae sedis/index.html Edited December 7, 2021 by abyssunder 2 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Ludwigia Posted December 7, 2021 Share Posted December 7, 2021 41 minutes ago, Mark Kmiecik said: Yep. They're fond of polishing fossils there, too. Yup. I've been looking at these things for years and wondering if I should pick one up. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
oyo Posted December 8, 2021 Share Posted December 8, 2021 Pygurus https://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/taxon.jsp?id=591 Mepygurus https://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/taxon.jsp?id=603 Astrolampas https://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/taxon.jsp?id=602 Differences are established between the genera Pygurus and Mepygurus. Thus synonymy is established between Astrolampas and Mepygurus. Echinología linked by @abyssunder identifies the materials as belonging to the genus Astrolampas. 1 Link to comment Share on other sites More sharing options...
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