Very large and small swimming dinosaur, Keichousaurus-Hui... Lot 5287

Very large and small swimming dinosaur, Keichousaurus-Hui (Nothosaurus) on a plate, Guizhou Province, China, 220 million years old, perfectly preserved male 31 cm and daughter 9 cm, delicate beautiful details of the raised bone structure, fine pointed teeth (fish trap for fishing), natural tiny quartz veins run through the smooth stone slab, approx. 6 kg, museum, a genus of marine reptiles from the family Pachypleurosaurs, which became extinct at the end of the Triassic-Jurassic period, this example of brood care between father and child is an incredible snapshot and unique example of the underwater world in prehistoric times