Geobulletin alpha

Who knew that crinoids could be boring? A possible bioeroding crinoid attachment structure from the early Silurian of Estonia (new paper) 

Our hard-working and observant Estonian colleagues (Olev Vinn and Ursula Toom) recently made a remarkable discovery among Estonian early Silurian fossils: an attachment structure of a stalked crinoid that apparently bioeroded its way into a calcitic stromatoporoid skeleton. There’s a … Continue reading →

Kronosaurus 

  On display as of August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA is the fossil of a short neck pliosaur called Kronosaurus queenslandicus (MCZ 1285). The creature swam in the early Cretaceous Period seas (135 million years ago). It was found by an Australian rancher R.W.H. Thomas and shown to a member of the 1931-1932 Harvard Australian Expedition William E. Schevill (1906-1994). They were able to dynamite the limestone nodules out and then ship them [...]