Prompt: shell fish asterolepis, permian period, Mark Ryden, hyperrealistic, over-detailed, airbrushing, cgi rendering | Daniel F. Gerhartz, Gustav Dore, Greg Rutkowski, Zdzislav"
Negative prompt: two heads,poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, out of frame, blurry, blurred, watermark, grainy, signature, cut off, draft,  heterochromia, tiling