Alexander Wilhelm Armin Kellner (born September 26, 1961) is a Brazilian geologist and paleontologist who is a leading expert in the field of studying...

surname include: Ádám Kellner (born 1986), Hungarian tennis player Alex Kellner (1924–1996), baseball pitcher Alexander Kellner (born 1961), Brazilian...

researchers differ in their use of the concept. S. Christopher Bennett and Alexander Kellner have concluded that Nyctosaurus was not a pteranodontid. In 1994 Bennett...

consists of a partial mandible. In 2013, Brazilian paleontologist Alexander Kellner referred a third, larger, specimen: MN 6594-1, a skeleton with skull...

imperator specimen. Beginning in 2006, several researchers, including Kellner and Campos (who named Tupandactylus), had found that the three species...

remains of Oxalaia were described in 2011 by Brazilian palaeontologist Alexander Kellner and colleagues, who assigned the specimens to a new genus containing...

Timeline of pterosaur research Pterosaur size Smallest organisms Wang, X.; Kellner, A. W. A.; Zhou, Z.; de Almeida Campos, D. (12 February 2008). "Discovery...

"pycnofiber", meaning "dense filament", was coined by palaeontologist Alexander Kellner and colleagues in 2009. Pycnofibers were unique structures similar...

Pteranodon. In 2010, pterosaur researcher Alexander Kellner revisited H.W. Miller's classification. Kellner followed Miller's opinion that the differences...

rounded front of the fenestra nasoantorbitalis. However, in 1988, Alexander Kellner concluded that Pricesaurus was a nomen vanum, primarily because the...