Can anybody tell me what this #fossil could be? My grandson discovered it in our backyard in outer #Melbourne, #Australia?
The rock in this area is #Silurian #sandstone.

#palaeontology #geology

Millipede and centipede ancestors evolved their legs while still underwater https://phys.org/news/2026-05-ancient-sea-fossils-millipede-centipede.html

A marine stem-myriapod from the #Silurian Waukesha Lagerstätte, Wisconsin: terrestrial traits pre-date the transition to land https://royalsocietypublishing.org/rspb/article/293/2070/20260131/481605/A-marine-stem-myriapod-from-the-Silurian-Waukesha

"a long-lost ancestor of #myriapods already had many unbranched legs while still living underwater. The finding contradicts the idea that this particular type of limb was an adaptation for land."

Here one of my favorite fossil #cephalopods for #FossilFriday:

Pentameroceras mirum from the #Silurian of #Gotland! Those narrow slits of the shell were likely where arms or eyes would stick out!

New fossil reveals the weird ‘tooth cushions’ of an apex predator from 425 million years ago https://theconversation.com/new-fossil-reveals-the-weird-tooth-cushions-of-an-apex-predator-from-425-million-years-ago-274122

Largest Silurian #fish illuminates the origin of osteichthyan characters https://www.nature.com/articles/s41586-025-10008-y

"The jaw would have been 17 cm long, suggesting an animal roughly 1 m long—the largest known jawed fish from the #Silurian... nothing prepared us for what turned up just few years later: a complete skull and jaws that revealed a creature far weirder than we could have imagined"

A drawer of fossil sea-lilies, or crinoids. One of many drawers of Silurian reef fossils from the UK in the #NottNatHist Museum collections

#FossilFriday #silurian #crinoid #paleontology