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

baseball pitcher Alexander Kellner (born 1961), Brazilian paleontologist Birgit Kellner, Austrian Buddhologist and Tibetologist Carl Kellner (optician) (1829–1855)...

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...

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

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

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...

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

Santonian stage, about 86 million years ago. In 2010, a paper by Alexander W.A. Kellner argued that this specimen was different enough from G. sternbegi...

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