Simplify the following text for a Grade 12 native English-speaking person.
Original: Somewhat more complete skeletal remains were discovered in 2001 , prompting the view that Pakicetus was primarily a land animal about the size of a wolf , and very similar in form to the related mesonychids .
Simplified: Complete skeletons were discovered in 2001 , revealing that Pakicetus was primarily a land animal , about the size of a wolf , and very similar in form to the related mesonychids .