User:Abyssal/Portal:Carboniferous/DYK/2


 * ... that the largest known ovules produced by any non-flowering seed-plant came from the Medullosales (fossilized leaves pictured), an order of extinct seed ferns?
 * ... that Adolf Carl Noé challenged disbelief in the possibility of North American coal balls (example pictured) by presenting a wheelbarrow full of them?
 * ... that the extinct griffenfly genus Bohemiatupus inhabited peat-mires?
 * ... that Okmulgee State Park (pictured) in Oklahoma is one of only a few places in the world where the fossil coral Gymnophyllum wardi is found?
 * ... that the type specimen of the extinct whip scorpion Graeophonus carbonarius was originally identified as a species of dragonfly?