New Members jennwynn Posted August 11 New Members Share Posted August 11 can anyone. Tell me what this is? Star in the middle with layers of crystals. Link to comment Share on other sites More sharing options...
Coco Posted August 11 Share Posted August 11 Crinoid stem. Coco 2 ---------------------- 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...
Rockwood Posted August 11 Share Posted August 11 Ligaments that connect the layers (ossicles) together last long enough for segments of the stem to fossilize in articulation. Link to comment Share on other sites More sharing options...
Ludwigia Posted August 11 Share Posted August 11 In other words, it's a piece of the stem from a sea lily called a columnal. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Rockwood Posted August 11 Share Posted August 11 2 hours ago, Ludwigia said: In other words, it's a piece of the stem from a sea lily called a columnal. 4 hours ago, jennwynn said: Star in the middle with layers of crystals. Layers would seem to indicate multiple columnals. That's why I called it a segment the length of one of the sets of connecting ligaments. Link to comment Share on other sites More sharing options...
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