Luque, Javier; Feldmann, R. M.; Vernygora, O.; Schweitzer, C. E.; Cameron, C. B.; Kerr, K. A.; Vega, F. J.; Duque, A.; Strange, M.; Palmer, A. R.; Jaramillo, C.
(2019)
Evolutionary origins of novel forms are often obscure because early and transitional fossils tend to be rare, poorly preserved, or lack proper phylogenetic contexts. We describe a new, exceptionally preserved enigmatic ...