Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Morrison Formation ya kasance mai arziki burbushin farauta ƙasa. An bayyana flora na lokacin ta burbushin halittu na koren algae, fungi, mosses, horsetails, ferns, cycads, ginkgoes, da kuma iyalai da yawa na conifers. Abubuwan da aka gano na dabbobi sun hada da bivalves, snails, ray-finned fish, frogs, salamanders, turtles, sphenodonts, lizards, terrestrial da aquatic crocodylomorphs, da dama nau'in pterosaur, da yawa nau'in dinosaur, da dabbobi masu shayarwa na farko kamar docodonts, multituberculates, symmetrodonts, da triconodonts. Dinosaur da aka sani daga Morrison sun hada da theropods Ceratosaurus, Ornitholestes, Tanycolagreus, da Torvosaurus, da sauropods Haplocanthosaurus, Camarasaurus, Cathetosaurus, Brachiosaurus, Suuwassea, Apatosaurus, Brontosaurus, Barosaurus, Diplodocus, Supersaurus, da kuma Amphicoelias, da kuma ornithischians Camptosaurus, Dryosaurus, da kuma Stegosaurus. Allosaurus ana samunsa a wurare guda kamar Apatosaurus, Camarasaurus, Diplodocus, da Stegosaurus. An fassara tsarin Jurassic na Portugal inda Allosaurus yake a halin yanzu kamar yadda yake kama da Morrison amma tare da tasirin ruwa mai karfi. Da yawa daga cikin dinosaur na Morrison Formation iri ɗaya ne da waɗanda aka gani a cikin duwatsun Fotigal (galibi Allosaurus, Ceratosaurus, Torvosaurus, da Stegosaurus), ko kuma suna da takwarorinsu na kusa (Brachiosaurus da Lusotitan, Camptosaurus da Draconyx).Allosaurus sun kasance tare da manyan manyan theropods Ceratosaurus da Torvosaurus a duka Amurka da Fotigal. Dukkanin uku suna da bambancin yanayin muhalli, bisa ga ilimin lissafi da kuma wurin burbushin halittu. Ceratosaurs da torvosaurs na iya fi son yin aiki a kusa da hanyoyin ruwa, kuma suna da ƙananan, ƙananan jikin da za su ba su wata fa'ida a cikin gandun daji da ƙasa, yayin da allosaurs sun fi karami, tare da dogayen kafafu, da sauri amma ba su da motsi, kuma suna da alama sun fi son busassun ambaliyar ruwa. Ceratosaurus, wanda aka fi sani da Torvosaurus, ya bambanta da Allosaurus a cikin aikin anatomy ta...  Tambaya: Wane dinosaur ne yake da kafafu mafi tsawo
allosaurs