This is a list of every dinosaur known to have been housed on Nublar in 2015 and how many were saved in 2018.(this is not 100% fact)
Let's start:
Allosaurus- 5 saved, 1 sold
Ankylosaurus- 6 saved, 1 sold
Apatosaurus- 5 saved
Baryonyx- 4 saved, 1 sold
Brachiosaurus- 4 saved, 1 sold(1 adult, 3 Juveniles possibly)
Carnotaurus- 3 saved
Ceratosaurus- 3 saved(possibly)
Coelsaurus- Unknown
Compsognathus- 20 saved
Corythosaurus- 6 saved(possibly)
Deinonychus- 4 saved(possibly)
Dilophosaurus- 4 saved(possibly)
Dimorphodon- 9 saved(possibly)
Diplodocus- 4 saved(possibly)
Drednaughtus- 0 saved(possibly cloned by Biosyn)
Edmontosaurus- Extinct
Elaphrosaurus- 5 saved(possibly)
Euoplocephalus- 6 saved(possibly)
Gallimimus- 11 saved
Hadrosaurus- 6 saved(possibly)
Herrerasaurus- Unknown
Hoplitosaurus- Unknown
Lesothosaurus- Unknown
Mamenchisaurus- 4 saved(possibly)
Metriacanthosaurus- Extinct
Microceratus- 17 saved(possibly)
Mosasaur- 1 freed
Nasutoceratops- 6 saved
Nipponosaurus- Unknown
Pachycephalosaurus- 7 saved
Pachyrhinosaurus- 5 saved
Parasaurolophus- 7 saved
Pelorplites- 6 saved(possibly)
Plesiosaurus- Unknown
Pteranadon- 6 saved
Segisaurus- Unknown
Sinoceratops- 5 saved
Spinosaurus- 1 saved(possibly)
Stegosaurus- 6 saved
Stygimoloch- 6 saved
Styracosaurus- 6 saved(possibly)
Suchomimus- 5 saved(possibly)
Teratophoneus- 4 saved(possibly)
Triceratops- 5 saved
Tyrannosaurus rex- 1 saved
Velociraptor- 1 saved