Simplify the following text for a Grade 12 native English-speaking person.
Original: Its discovery was announced at the 2003 annual meeting of the Society for Vertebrate Paleontology and a phylogenetic analysis which included it was presented in an abstract for the Journal of Vertebrate Paleontology in 2005 .
Simplified: A phylogenetic analysis was presented in an abstract for the Journal of Vertebrate Paleontology in 2005 .