"Others have pointed out that a definition of paleoart must include a degree of subjectivity, where an artist's style, preferences and opinions come into play along with the goal of accuracy.The Society of Vertebrate Paleontology has offered the definition of paleoart as, "the scientific or naturalistic rendering of paleontological subject matter pertaining to vertebrate fossils", a definition considered unacceptable by some for its exclusion of non-vertebrate subject matter.