 The marine sediments of the Pietraroja "Plattenkalk" were probably deposited closely to a piece of the Apennine Platform, which piece possibly formed a small island between the present middle of Italy and Tunisia.From this it has been concluded that the habitat of "Scipionyx" in general consisted of small islands and it represented one of the larger animals of its ecosystem.However, there are also indications that the terranes regularly interconnected to form far more extensive islands, land bridges allowing a dispersal of much larger animals, such as sauropods and large theropods.