Latest Hemichordates Stories
Scientists have unearthed a strange phallus-shaped creature from the 505 million year-old rock layers in the Burgess Shale fossil beds.
Long-overlooked museum fossils of ancient planktonic graptolites has provided researchers with new insight into the remarkably complex colonies of a species once thought to be extinct.
"Out with the old and in with the new" is an adage we have all heard and probably lived by in this world of fast changing technology and fads. But some tiny sea critters are showing us, newer isn't always better.
The origin of the exquisitely complex vertebrate brain is somewhat mysterious.
525-million-year-old discovery of 'feathered helmet from beyond the clouds'.
Our research at the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, has shown, based on a refined division and correlation of the graptolite-bearing strata in southern Jiangxi, China, that the Kwangsian Orogeny commenced in the early Katian Age of the Late Ordovician.
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 horn of a unicorn considered as a medical or pharmacological ingredient.
- A winged horse with a single horn on its head; a winged unicorn.