Largest Silurian fish illuminates the origin of osteichthyan characters - Nature New findings from articulated head and trunk material of Megamastax amblyodus yield previously unseen morphological details of a Silurian stem osteichthyan.

Big fish news coming out in @nature.com today from the IVPP crew… first, more of the late Silurian osteichthyan #Megamastax from Yunnan, AND #Eosteus from the early Silurian of Chongqing, the world's earliest osteichthyan!

1. www.nature.com/articles/s41...
2. www.nature.com/articles/s41...