Types of infantry used by the Ancient Greeks
The hoplite was a heavy infantryman, the central focus of warfare in Ancient Greece that fought in tight formation.
The Ekdromos (plural Ekdromoi) was the name of the Greek light hoplites that could break away from tight formation and chase or fend off enemy peltasts.
A peltast (ancient Greek πελταστής) was a type of light infantry in Ancient Greece who often served as skirmishers and used ranged weapons.
Iphicratean hoplites were a combination of the Ekdromoi with lighter shields and longer spears and swords that fought in the same way as the Ekdromoi.
The Sarrisoforoi were heavy infantryman, with extremely long spears wielded two-handed and light shields that fought in tight formation.