Literally meaning: “stone clotts”
Origin: Anc Greek
θρόμβος/thrombos(=clot)>θρόμβος/thrombos(=clot) > θρέφω /threpho (=feed)
+ λίθος/lithos(=stone, rock)
In 1967 by Aiken who proposed that thrombolites are cryptalgal structures related to stromatolites but lacking laminisation and characterised by a macroscopic clotted fabric.
Thrombolites, are clotted structures formed in shallow water by the trapping and precipitation of particles of microorganisms, especially cyanobacteria (blue-green algae).