Crab on the sternum, form a monophyletic group. Numbers of extant and extinct (†) species are given in brackets. The superfamily Eocarcinoidea, containing "Eocarcinus" and "Platykotta", was formerly thought to contain the oldest crabs; it is now considered part of the Anomura. Both the constellation Cancer and the astrological sign Cancer are named after the crab, and depicted as a crab. William Parsons, 3rd Earl of Rosse drew the Crab Nebula in 1848 and noticed its similarity to the animal; the Crab Pulsar lies at the centre of the nebula. The Moche people of ancient Peru worshipped nature, especially the sea,
The Snake and the Crab The Snake and the Crab Speaking of The Snake and the Crab in Ancient Greece was the equivalent of the modern idiom, 'Pot calling the kettle black'. A fable attributed to Aesop was eventually created about the two creatures and later still yet another fable concerning a crab and its offspring was developed to make the same point. The first known mention of the snake and the crab is found in a drinking song dating from the late 6th or early 5th century BCE: Since the movement of both creatures is far from direct, this is as much as to