Daniel1990 Posted 21 hours ago Share Posted 21 hours ago Hi Is it a sponge or a bone? Holds tight to the rock. Is that sandstone? Best wishes Daniel Location:Poland Link to comment Share on other sites More sharing options...
Coco Posted 21 hours ago Share Posted 21 hours ago Poland is a bit vast as a place of discovery, you don’t have more precise ? Coco 1 ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Pareidolia : here Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
Fossildude19 Posted 21 hours ago Share Posted 21 hours ago Does not look like either, to me. Looks like some sort of resin stuck to a rock. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "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...
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