Zhou Shiguan Morphological characteristics of Zhou
Zhou's turtles

Appearance of Zhou's turtles There are some similarities with tortoises. The carapace is brown, but not ribbed, and the head is green, but not ribbed. It is like a simple version of a tortoise, but it has great characteristics. That is, the plastron can be closed.

The carapace of Zhou's turtle is black or earthy black, oval in shape, with or without ridges in the center, no lateral edges, and no front edge of the carapace. It is serrated, with slightly jagged edges between the 9th and 11th scutes. There is a very small notch between the central and posterior scutes. The ventral surface of the scutes is khaki with irregular black spots. None of the scutes on the carapace are missing. Concentric circular lines; the plastron is brown and black, with large khaki patches in the center of the chest, abdomen and femoral shields. There are ligaments running through the chest and ventral shields. The front edge of the plastron is flat, the rear edge is round, and the anal shield is It is narrow at the center, with a large notch in the center. Each scute of the plastron has no concentric ring pattern; there is no armor bridge, and the carapace and plastron are connected by ligaments; there is a very small axillary scute and no obvious crotch. shield.

The head of Zhou's turtle is light gray-white, with a narrow head, no scales on the top, smooth skin, a sharp snout and a rounded end; the upper beak is hooked , the iris is yellow-green, the full membrane is light yellow, there is one thin yellowish stripe from the nostril through the eye to the back end of the head, there is one thin yellowish stripe from behind the eye to the back end of the head, and 2 thin stripes The edges of the stripes are inlaid with olive green lines; the skin of the neck is full of warts, the back and sides are olive green, and the abdomen is light grayish yellow; the hands and feet are slightly flat, the back is olive green, the belly is light grayish yellow, and there are thick nails between the fingers and toes. The claws are well developed, with 5 claws on the forelimbs and 4 claws on the hind limbs; the tail is moderate.


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