OLD COIN: Cambodia 4 Riels Prehistoric Animals Cryptocleidus 1993 Commemorative Issue Coin

OLD COIN: Cambodia 4 Riels Prehistoric Animals Cryptocleidus 1993 Commemorative Issue Coin

Type: Non-circulating coin
Composition: Copper-nickel
Weight: 12.7 g
Diameter : 32.8 mm
Thickness: 2.2 mm
Shape: Round

Obverse
National flag above denomination
Lettering:
STATE OF CAMBODIA
4
RIELS

Reverse
Prehistoric Animal
Lettering:
PREHISTORIC ANIMALS
1993
Cryptocleidus

Cryptoclidus (/krɪptoʊˈklaɪdəs/ krip-toh-KLY-dəs) is a genus of plesiosaur reptile from the Middle Jurassic period of England, France, and Cuba. Cryptoclidus was a plesiosaur whose specimens include adult and juvenile skeletons, and remains which have been found in various degrees of preservation in England, Northern France, Russia, and South America. Its name, meaning "hidden clavicles", refer to its small, practically invisible clavicles buried in its front limb girdle.

The type species was initially described as Plesiosaurus eurymerus by Phillips (1871). The species name "wide femur" refers to the forelimb, which was mistaken for a hindlimb at the time.

Information Reference: https://en.numista.com/catalogue/pieces55568.html

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