Birgeria is really a genus of extinct fish from the Late Triassic time period, acknowledged for its huge measurement and prolonged, slender human body. It had been a carnivorous predator that roamed historical seas, hunting smaller fish and invertebrates. The Hallucigenia is surely an elongated, worm-like creature with spiney oppendages https://mysitesname.com/story8322149/detailed-notes-on-aquarium-cleaning-service