The horns of Ammon were curling ram horns, used as a symbol of the

Egyptian ''Egyptian'' describes something of, from, or related to Egypt. Egyptian or Egyptians may refer to: Nations and ethnic groups * Egyptians, a national group in North Africa ** Egyptian culture, a complex and stable culture with thousands of year ...

deity

Ammon Ammon (; Ammonite language, Ammonite: 𐤏𐤌𐤍 ''ʻAmān''; '; ) was an ancient Semitic languages, Semitic-speaking kingdom occupying the east of the Jordan River, between the torrent valleys of Wadi Mujib, Arnon and Jabbok, in present-d ...

(also spelled Amun or Amon). Because of the visual similarity, they were also associated with the fossils shells of ancient snails and

cephalopod A cephalopod is any member of the molluscan Taxonomic rank, class Cephalopoda (Greek language, Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral symm ...

s, the latter now known as

ammonite Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

because of that historical connection.The Origin Of Geological Terms: Ammonites
/ref> This symbolism later inspired the horns of Alexander due to the legend of

Alexander the Great Alexander III of Macedon (; 20/21 July 356 BC – 10/11 June 323 BC), most commonly known as Alexander the Great, was a king of the Ancient Greece, ancient Greek kingdom of Macedonia (ancient kingdom), Macedon. He succeeded his father Philip ...

's descent from Zeus-Ammon.

Classical iconography

A fossil ammonite, showing its horn-like spiral Ammon, eventually Amon-Ra, was a deity in the

Egyptian pantheon Ancient Egyptian deities are the God (male deity), gods and goddesses worshipped in ancient Egypt. The beliefs and rituals surrounding these gods formed the core of ancient Egyptian religion, which emerged sometime in prehistoric Egypt, prehist ...

whose popularity grew over the years, until growing into a monotheistic religion in a way similar to the proposal that the Judeo-Christian-Islamic deity evolved out of the Ancient Semitic pantheon. Egyptian pharaohs came to follow this religion for a while, Amenhotep and

Tutankhamun Tutankhamun or Tutankhamen, (; ), was an Egyptian pharaoh who ruled during the late Eighteenth Dynasty of Egypt, Eighteenth Dynasty of ancient Egypt. Born Tutankhaten, he instituted the restoration of the traditional polytheistic form of an ...

taking their names from their deity. This trend caught on, with other Egyptian gods also sometimes being described as aspects of Amun. Ammon was often depicted with ram's horns, so that as this deity became a symbol of supremacy, kings and emperors came to be depicted with Horns of Ammon on the sides of their head in profile, as well as the deities not only of Egypt, but other areas, so that Jupiter was sometimes depicted as "Jupiter Ammon", replete with Horns of Ammon, after Rome conquered Egypt, as was the Greek supreme deity

Zeus Zeus (, ) is the chief deity of the List of Greek deities, Greek pantheon. He is a sky father, sky and thunder god in ancient Greek religion and Greek mythology, mythology, who rules as king of the gods on Mount Olympus. Zeus is the child ...

. Alexander the Great's deification as a conqueror had involved being declared the metaphorical "Son of Ammon" by the Oracle at Siwa. This tradition is thought by some to have continued for centuries, with

being allegedly referred to in the

Quran The Quran, also Romanization, romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a Waḥy, revelation directly from God in Islam, God (''Allah, Allāh''). It is organized in 114 chapters (, ) which ...

as “ Dhu al-Qarnayn” (The Two-Horned One), a supposed reference to his depiction on Middle Eastern coins and statuary as having horns, consistent with the view of most scholars on Islamic exegesis that Dhu al-Qarnayn was Alexander the Great.

Pliny the Elder Gaius Plinius Secundus (AD 23/24 79), known in English as Pliny the Elder ( ), was a Roman Empire, Roman author, Natural history, naturalist, and naval and army commander of the early Roman Empire, and a friend of the Roman emperor, emperor Vesp ...

was among the earliest writers known to have associated spiral shells with the deity Ammon, referring to them as (horns of Ammon) in his book .'' NH'' 37.40.167 Considering the relative rarity of ammonite fossils in Egypt, this may have originated with fossil snail shells like ''natica hybrida'' found in

Mokattam The Mokattam ( , also spelled Muqattam), also known as the Mukattam Mountain or Hills, is the name of an Eastern Desert plateau as well as the district built over it in the Southern Area of Cairo, Egypt. Etymology The Arabic name ''Moka ...

limestone near

Cairo Cairo ( ; , ) is the Capital city, capital and largest city of Egypt and the Cairo Governorate, being home to more than 10 million people. It is also part of the List of urban agglomerations in Africa, largest urban agglomeration in Africa, L ...

. The direct attribution of the Horns of Ammon with fossil cephalopod shells became common during

Medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...

times with mentions by writers like

Georgius Agricola Georgius Agricola (; born Georg Bauer; 24 March 1494 – 21 November 1555) was a German Humanist scholar, mineralogist and metallurgist. Born in the small town of Glauchau, in the Electorate of Saxony of the Holy Roman Empire, he was b ...

and

Conrad Gesner Conrad Gessner (; ; 26 March 1516 – 13 December 1565) was a Old Swiss Confederacy, Swiss physician, natural history, naturalist, bibliographer, and philologist. Born into a poor family in Zürich, Switzerland, his father and teachers quickly ...

. These led to a widespread association that climaxed with paleontologist Karl Alfred von Zittel naming the class of animals

Ammonoidea Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

in 1848.

References

{{reflist Amun Paleontology Fossils Horned gods