TLALAKANS

Planet of Origin: Presumably Tlalaka /Tlalocan, a planet in a system close to the solar system.
Tlalakans are a race of humanmoids who has developed a civilisation remisicent of the early Incan/Aztec civilizations from Earth. As a community, Tlalakans have access to the Well of Transformation, a pool of an unknown liquid which dissolves the body of whomever enters it, leaving only the spirit/soul, which then forms a new body of whatever sort their heart desires. Tlalakans typically use it to adopt either a bipedal form for surface living, or a tailed "mermaid" form for living underwater where they have built and underwater city. It remains unclear which of these two forms is the Tlalakans' original one.
During the late twetnieht century, the Tlalakan home world was invaded and conquered by the Decepticons. They installed a drone named Deceptitran as ruler of the planet. Using an army of drones, Deceptitran was able to capture a good number of the Tlalakans, though the drones were unable to go underneath the water, which was where the Tlalakans lived in an undersea city. Deceptitran used his Tlalakan prisoners to work on his floating city and to collect energon, even to the point of drawing it directly from their bodies. Eventually they revolted against their drone overlords and escaped, prompting Deceptitran to contact the Decepticons on Earth for assistance. The communication was also intercepted by the Autobots who helped the Tlalacans to get rid of their oppressor.
Source: Transformer Universe

VOK

The Vok are energy-based alien creatures who engineered prehistoric Earth towards their own designs. They are the enlightened evolution of the Swarm, an combination of Cybertronian, human, and mysterious lizard species life. Their aim is to find the optimal path of development for the sources of its components.
It is believed most of their experiments ended up in failure due to the passage of cybetronian machines on the planet after some accidental temporal disruption.
The Vok stay in Nexus Zero also known as the Vok Nebula, a nebulous cloud part of a wormhole network facilitating travel across the galaxy. Another Nexus of their net is Nexus Earth.
Source: Transformers universe (Beastwars)

SLIZARDOS

Slizardos are sentient amphibious reptilian bipeds who developed some degree of civilisation. Its level of development remains unknown but some specimens have been taken as servants by Skuxxoids mercenaries.
Source: Transformers Universe, The Gambler, Grimlock's New Brain,

EURYTHMANS

Planet of Origin: Eurythma

The Eurythmans are a humanoid species looking much like humans which developped their culture entirely around music and speak in a constant, lilting sing-song manner. Among their achievements is the ability to use sound vibration for varied uses, including healing and a three-part harmony of incredible destructive power which was once used to blast out of the sky a comet in collision course with the planet.

Source: The Transformers the Animated Series

SKUXXOIDS

Skuxxoids are an intelligent reptilian species that often sell their services to the highest bidder as mercenaries for credits. They have scaly skin and stand from 4 to 5 meters high. Skuxxoids have been known to be hired by Quintessons ("Five Faces of Darkness, Part 1 & 2) and Cybertornian Dececpticons (Chaos, Starscream's Ghost, Grimlock's New Brain). They tend to use large asteroid ships as their primary mode of transport and it is quite probable that most of their technological advancement came from scavenging or trading their serivice against tehcnological upgrades.
Source: The Transformers animated series

PRIMACRON

Primacron's origin remain unknown. He may be a member of another species (let it be noted that he shares some morphologic similarities with the Therapists, an advanced species not much is known about) or might even be an engineered lifeform.
According to one of his creation who served as his assistant, he possesses a tremendous intelligence and an indefinite lifespan. He devoted most of his time to technological research, developing all sorts of mechanoid lifeforms, from the most primitive simple ones to one of the most complex ones: Unicron, a highly advanced and super-intelligent mechanoid giant humanoid lifeform able to transform itself into a small moon. Primacron planned to use Unicron as a mean of conquest but the giant machine escaped his will and went on a galaxywide rampage, bent on destroying any mechanoid form he met and consumine their raw material.

After the destruction of Unicron by cybertronian mechanoids in 2005, Primacron created Tornedron, a sentient vampiric energy matrix which also escaped his control and was finally defeated by some of his early and more primtive creations in 2006.

Primacron research facilites were destroyed in these events and what became of him afterward remains a mystery.

Source: Transformers "Call of the Primitives"

GALACTIC GAMES SPECIES

Several species attended to the Glactic Games of 2006, among them, such as the Cybertronians, the Alcatroids and at least four others (of those 4, all are taller than 4 meters).
Source: Transformers "The Five Faces of Darkness"

TORKULON WARD PATIENTS

Beings from several species were treated in the Torkulon Psychatric Ward. Eight of them were referenced. Apart from the Slugs, most of them were not named or seen very briefly.

• The alien from the frist pic had personnality disorders. He might have been a triple siamese andtherefore is not necessarily physically representative of its species. He appeared to be larger than a human.
• Nothing is known about the gnome like alien
• The ball like alien is morpologically reminiscent of the alcatroids. As nothing much is known about them, there might be dramatic discrepencies among the species.
• Nothing much is known about the red slug like alien apart from the fact that it has a huge tongue and is rather large.
• There is also a representative of a Centaur species.
• A green skinned humanoid species
• An insect species

Let if be known that Quintessons also know of the Torkulon ward.
Source: Transformers "Webworld"

ODESSIXIANS

Planet of Origin: Odessix
Large humanoids (5 to 8 meters tall) who have developped a pacific space faring civilisation. They had dipomatic relations with planet Cybertron in 2006 through their ambassador Inara.
Source: Transformers

THE THERAPISTS / TORKULI

Planet of origin: Unknown
The Therapists are large (at least 4 to 6 meters high) simian humanoids. Most fo their body is covered with blue fur and only their face, hands, feet and tail appear to be bald. They have developped a space faring civilisation and are known to exploit a psychiatric ward on the planet Torkulon. They are pacific, logical people turned toward science. It remains unknown if they are sexuate as all the personel of the ward appear to be male.
Note: As he shares morphological similarites with them, it is possible that the being Primacron may be related to this species.
Source: Transformers "Webworld"

SLUGS

The Slugs real name is not referenced. They are sentient mollusks who had developped a spacefaring civilisation by 2006.
They possess six prehensile tentacles and a rigid shell in which they can retreat in case of danger. The Slugs were in contact whith the Therapists of Torkulon.
Source: Transformers "WebWorld"

ALCATROIDS

Planet of origin: Unnamed planet in the Nerva system
The Alcatroids are a bipedal oxygen breathing lifeform who developped a space faring civilisation. They participated in the galactic games of 2006.
Source: Transformers "The Five Faces of Darkness"

ALIA BUGS / TORKULON

The Alias are an Insectoid lifeform originating from the planet Torkulon. They are eight legged creatures the size of an hippopotamus. Their forelimbs are tipped by large, sharp, probing claws, which have the ability to spin 360 degrees like a drill. They are sentient, able to tap in the mind of other species. They possess an exoskeleton and although they look more like fat green cockroaches than spiders, they can secrete web-like silky strands of organic cicuitry that they weave into neural networks.

This substance is used to absorb psychic energy on which the bugs feed. Prey items are trapped in these webs, at which time the Alya immobilize them, interface with their minds, and psychically consume their intelligence. The webs have been weaved in a way that they have become the circuitry of a so-created neuronic network, therefore giving a form of sentience to the planet. It has developed to a point where it can reshape parts of itself to build structures and move objects around.

The planet is used by the Therapists (also called Torkuli), a highly advanced civilisation of giant simians who use it as a giant living computer for the psychiatric ward they built on it and in which they treated patients from several interstellar civilisations.

In 2010, they tried to treat the Decepticon Galvatron but due to his unprecedented level of dementia, the therapists of Torkulon were unable to heal him. However, merely touching Galvatron's mind drove the planet itself stark-raving crazy. With the planet rapidly losing its own sanity (and the therapists losing their ability to control the planet), Galvatron broke free and traveled to Torkulon's core, which he destroyed.

It remains unknown if this act had permanent effects on the planet’s sentience or if the bugs were able to weave it back online.

The level of intelligence of the bugs remains unknown as does the way the web have become sentient and its level of sentience. It is also unknown if this strange sort of symbiosis between the sentient web and the bugs that weaved it is a natural phenonema or an artificially created one, most likely by the Therapists.

Source: The Transformers "Webworld"