Latest Pterobranchia Stories
Scientists have unearthed a strange phallus-shaped creature from the 505 million year-old rock layers in the Burgess Shale fossil beds.
525-million-year-old discovery of 'feathered helmet from beyond the clouds'.
By Gupta, Neal S; Briggs, Derek E G; Pancost, Richard D Graptolites are important fossils in Early Palaeozoic assemblages. Preserved graptolite periderm consists dominantly of an aliphatic polymer, immune to base hydrolysis.
- The act of sweetening by admixture of some saccharine substance.