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The Xenexians were a humanoid civilization native to the planet Xenex.

History and specifics

Xenexians mostly resemble Humans, but with a much higher incidence of eyes with irises that are a startling color purple. (NF - The Captain's Table novel: Once Burned)

Xenexians have similar physiology to Zynterians. (TNG - Double Helix novel: Double or Nothing)

Many Xenexians are apparently able to regulate their body temperature to a certain degree.[citation needed] Also some Xenexians such as Xyon of Calhoun have demonstrated low level psionic abilities, however since no other Xenexians with these abilities are ever seen, it is likely the ability is rare.[citation needed]

Danteri Occupation

The Danteri ruled over their world for over 300 years until the 24th century, when a teenaged M'k'n'zy of Calhoun lead a rebellion that fought back viciously against them. First contact with the Federation happened when the Federation mediated the peace treaty between both the Xenexians and the Danteri. (NF novel: House of Cards)


Young Xenexians often visited the a vast stretch of inhospitable terrain known as the Pit in a rite of passage known as "The Search for Allways" until the casualties became too high, at which point it became more of a highly-discouraged dare among Xenexian youth. The rites traditions dictated that the undertaker of the journey was to take supplies for one day. The goal of the Search was to be given a vision of one's future.

Xenexian women reach the peak of their fertile cycle once every three months. In Xenexian tradition, the Tribe leaders are permitted to provide a female with a child if they wish to conceive and do not have a mate. The Tribal leaders also practice ritual sex with adolescent females, although the goal is considered to be more a blessing then an attempt to fertilize. All sex is consensual during such rituals. Sometimes Chieftains are considered to be "breeding machines" for their tribe to increase numbers as needed. Anyone, including offworlders may make this request to a Xenexian Clan Chieftain, much as Dr. Selar did to M'k'n'zy of Calhoun during her throes of Pon farr.

The responsibilities of a clan chieftain follows along family lines; when a Chief is absent, the clan warlord is permitted to assume leadership of the clan in their absence. (NF novel: Martyr)


Xenexian priests taught a polytheistic religion that allowed for a place where the soul resided after death.

The Xenexian afterlife is called Kaz'hera. (NF novel: What Lay Beyond) The Xenexians have a three-headed God of Lightning named J'e'n't.

First Splinter timeline


In the First Splinter timeline, Xenex was invaded in 2380 by Brethren forces who exterminated all Xenexians on the planet in retaliation for Mackenzie Calhoun's refusal to surrender. (NF novel: Blind Man's Bluff)

By the end of 2380 the only Xenexians alive in the galaxy were Mackenzie Calhoun and his son Xyon of Calhoun. (NF novel: The Returned, Part 1)


Xenexian language

Xenexian names often use gutturals that offworlders find difficult to pronounce.