This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher
劍龍
animal、biology、black and white、dinosaur、externalsource、extinct、line art、outline、paleontology、psf、reptile、wikimedia commons、zoology
動物、生物學、黑與白、恐龍、外部源、絕種、線條藝術、大綱、古生物學、PSF、爬蟲、維基媒體公地、動物學
資料來源：openclipart ( https://openclipart.org/ )