Login

Geobulletin alpha

News from the Geoblogosphere feed

by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Blog post recommendation

ARIENIGRAPTUS OF BOLIVIA

Graptolites (Graptolita) are a group of colonial animals known primarily from Middle Cambrian deposits. The biological affinities of the graptolites have always been debatable. Originally regarded as being related to the hydrozoans, graptolites are now considered to be related to the pterobranchs, a rare group of modern marine animals. The graptolites are classed as hemichordates (phylum

Stratigraphy.net | Impressum
Ads: