Identification request for anime movie: A boy who loses his parents, fights dinosaurs/monsters and rescues a girl he falls in love with
I think it might be Shounen Kenya  


  This cartoon, based on a popular manga (Japanese-style comic), centers
  on an 11-year-old boy who goes to Africa with his father in 1941.
  Because he is Japanese, the father is detained by the British. The boy
  joins up with a beautiful native girl, and the adventure begins, a
  sort of Young Indy Jones meets Tarzan.



The main character has 1/2 wooden 1/2 steel spear.
He traveled with his parent to a place with dinosaurs.
He rescue a native girl.