A peltarion, pelta or pelte was a crescent

Crescent

In art and symbolism, a crescent is generally the shape produced when a circular disk has a segment of another circle removed from its edge, so that what remains is a shape enclosed by two circular arcs of different diameters which intersect at two points .In astronomy, a crescent...

-shaped wicker

Wicker

Wicker is hard woven fiber formed into a rigid material, usually used for baskets or furniture. Wicker is often made of material of plant origin, but plastic fibers are also used....

 shield commonly used in the ancient world before the 3rd century BCE and gradually replaced in some cases with the thureos

Thureos

A thureos was a large oval shield which was commonly used in Hellenistic armies from the 3rd BC on. It was adopted from the Galatians probably first by the Ilyrians, then by the Thracians before becoming common in Greece. Troops who carried it were known as thureophoroi. It was made of wood...

. Xenophon

Xenophon

Xenophon , son of Gryllus, of the deme Erchia of Athens, also known as Xenophon of Athens, was a Greek historian, soldier, mercenary, philosopher and a contemporary and admirer of Socrates...

 describes the shield as "round" but such round shields are rare in contemporary art. It could either be carried with a central hand-grip or a double grip similar to an aspis

Aspis

"Aspis" is the generic term for the word shield. The aspis, which is carried by Greek infantry of various periods, is often referred to as a hoplon .According to Diodorus Siculus:-Construction:...

. It also usually had a carrying strap to allow it to be slung from the back. According to Aristotle

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 it was rimless and covered with goat or sheep skin. The shield was carried by many troops of period including the light Ancient Greek

Ancient Greece

Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 infantry known as peltast

Peltast

A peltast was a type of light infantry in Ancient Thrace who often served as skirmishers.-Description:Peltasts carried a crescent-shaped wicker shield called pelte as their main protection, hence their name. According to Aristotle the pelte was rimless and covered in goat or sheep skin...

s. Some Persian and other Eastern troops used shields similar to the pelte such as Later Achaemenid takabara. It can also be seen in Scythian art. It seems however that the shield used in Greece

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 had its origins in Thrace

Thrace

Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east...

 and central Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

.

The small round shield carried by the phallangites of the Macedonian phalanx was also called a pelte, due to its size.