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Dionysus and members of his thiasos on an Attic black-figure krater-psykter (525–500 BCE, Louvre Museum)

In Greek mythology[1] and religion, the thiasus (Greek thiasos), was the ecstatic retinue of Dionysus, often pictured as inebriated revelers. Many of the myths of Dionysus are connected with his arrival in the form of a procession. The grandest such version was his triumphant return from "India", which influenced symbolic conceptions of the Roman triumph and was narrated in rapturous detail in Nonnus' Dionysiaca. In this procession, Dionysus rides a chariot, often drawn by big cats such as tigers, leopards, or lions.

The thiasos of the sea god Poseidon is depicted as a triumphal wedding procession with Amphitrite, attended by figures such as sea nymphs and hippocamps.

In historical Greek society, thiasoi (plural) were religious organizations whose existence was protected by law.[2]

Dionysian thiasosEdit

The most significant members of the thiasus were the human female devotees, the maenads, who gradually replaced immortal nymphs. In Greek vase-paintings or bas-reliefs, lone female figures can be recognized as belonging to the thiasus by their brandishing the thyrsos, the distinctive staff or rod of the devotee.

Triumph of Dionysus on a fragmentary Roman mosaic (3rd century, Sousse Archaeological Museum)

Other regulars of the retinue were various nature spirits, including the sileni (or human dancers costumed as such), phalluses much in evidence, satyrs, and Pan. The ithyphallic sileni are often shown dancing on vase paintings.[3] The tutor of Dionysus is represented by a single aged Silenus. The retinue is sometimes shown being brought before a seated recipient: the tragic human welcomer of the gift of wine, Ikarios or Semachos, and his daughter, Erigone.[4] In the triumphal form of procession, Ariadne sometimes rides with Dionysus as his consort. Heracles followed the thiasus for a short while following his loss of a drinking contest to Dionysus.

On the 6th-century BC François Vase, Dionysus is accompanied in procession by the three Horae.[5] Other notable depictions in art include the silver "Great Dish" from the Mildenhall Treasure, the Lycurgus Cup, and in the Renaissance Titian's Bacchus and Ariadne. The Dionysian retinue was a popular subject for Roman art, especially bas-reliefs and sarcophagus panels.

Thiasos of the seaEdit

Sea thiasos depicting the wedding of Poseidon and Amphitrite, from the Altar of Domitius Ahenobarbus in the Field of Mars, bas-relief, Roman Republic, 2nd century BC

The marine or sea thiasos depicted Poseidon and his retinue. An original work of Skopas on this theme was taken to Rome and lost,[6] but the scene is well represented in Roman art, from tiny decorative reliefs and large sarcophagus panels to extensive mosaics.


  1. ^ Karl Kerenyi, Dionysos: Archetypal image of indestructible life 1976:123, observes that "the ecstatic band of bacchantes and agitated male nature gods in a state of heightened zoë ... is not reflected in Minoan art."
  2. ^ For example the thiasos in Athens examined by Marcus N. Tod, "A Statute of an Attic Thiasos", The Annual of the British School at Athens 13 (1906/07):328-338).
  3. ^ Karl Kerenyi (Dionysos: Archetypal image of indestructible life 1976), selects as an example a 6th-century vase, figs 39/A and B.
  4. ^ See Kerenyi 1976, ch. iv. "The Myths of Arrival".
  5. ^ Detail illustrated in Kerenyi 1976 fig. 37.
  6. ^ Stephen Lattimore, The Marine Thiasos in Greek Sculpture, (University of California), 1976; extended review by A. F. Stewart in American Journal of Archaeology 82.2 (Spring 1978:261-262).