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,
Chinese zodiac the elements is also linked to a season (see above), and the element that shares a season with a sign is known as that sign's "fixed element". In other words, that element is believed to impart some of its characteristics to the sign concerned. The fixed element of each sign applies also to the year and hour signs, and not just the monthly sign. The fixed element is separate from the cycle of elements which interact with the signs in the 60-year cycle. Four pillars calculator can determine the zodiac animal of the day. Chinese animal signs rule over days