Two dinosaurs swimming in the ocean with a shark and a turtle

Prehistoric Earth 66 million years ago，The sky is full of flying behemoths，In the depths of the ocean swim huge reptiles，Various dinosaurs on land，Facing an existential crisis，8k hyper-realistic wallpaper，real photograph

(nsfw:1.5),lowres, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts,signature, watermark, username, blurry, artist name, humans, castle, multiple breasts, (mutated hands and fingers:1.5), (long body :1.3), (mutation, poorly drawn :1.2), black-white, bad anatomy, liquid body, liquid tongue, disfigured, (outline:1.5)