Fragmentary hadrosauroid material from Spain, France and Germany, that had been referred to Orthomerus, is now often assigned to Telmatosaurus, but an identity is hard to prove; the same is also true of many Romanian fragments and eggs.
Fragments of hadrosauroid dinosaurs from Spain, France, and Germany, previously classified as Orthomerus, are now often assigned to Telmatosaurus, but a definitive identification is challenging; the same applies to many Romanian fragments and eggs.