Escucha Formation
The Escucha Formation is a geological formation in La Rioja and Teruel provinces of northeastern Spain whose strata date back to the late Aptian to middle Albian stages of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation. The approximately thick formation underlies the Utrillas Formation and overlies Castrillo de la Reina, Benassal & Oliete Formations. The Escucha Formation comprises siltstones, mudstones, sandstones, coal, siltstones and amber, in which several fossil insects were found. The formation was deposited in a variety of continental to paralic (deltaic) environments. Fossil content The Escucha Formation has provided the following fossils, among others: Dinosaurs Other dinosaurs Allosauroidea indet. Iguanodontia indet. Titanosauriformes indet. Reptiles Aragochersis lignitesta Toremys cassiopeia Trachydermochelys sp. Testudines indet. Anteophthalmosuchus escuchae Goniopholididae indet. Hulkepholis plotos Fish Chondrichthyes indet. Osteichthyes indet. Insects Other arthropods Alavia neli Archaelagonops alavensis Mesozygiella dunlopi Alavesiaphis margaritae Hispanocader lisae Alavametra popovi Iberovelia quisquilia Glaesivelia pulcherrima Gymnopollisthrips maior G. minor Manicapsocidus enigmaticus Archaeatropos alavensis Preempheria antiqua Empheropsocus arilloi E. margineglabrus Morazatermes krishnai Cantabritermes simplex Autrigonoforceps iberica Hispanelcana alavensis H. arilloi H. lopezvallei Libanophron sugaar Hippocoon basajauni Burmaphron iratxoak B. jentilak B. sorginak Tagsmiphron olentzero Elasmophron mari Ectenobythus iberiensis Liztor pilosus Cretepyris martini