The Balbaridae are an extinct family of basil Macropodoidea. The synapomorphies are divided into two areas, the dental

Tooth

Teeth are small, calcified, whitish structures found in the jaws of many vertebrates that are used to break down food. Some animals, particularly carnivores, also use teeth for hunting or for defensive purposes. The roots of teeth are embedded in the Mandible bone or the Maxillary bone and are...

 and cranial. The dental area of this taxa can be described as having the molar lophodont and brachyodont with a hypolophid formed by lingual

Lingual

Lingual may refer to:* Rap Crew, LINGUAL, an underground widespread hip-hop group from Berlin, Germany. The Group was founded in 2010 with their former member Freddy K. Their music is based on oldschool features with mixtures of Rap, Funk and Jazz and consists of 4 members, Sam-Which, Kurt...

ly displaced component of posthypocristid and linked to a buccal

Buccal

Buccal may refer to:* Mouth, a body cavity** Specifically the cheek* Buccal artery...

 crast from the entoconid. Molars have a hypocingulid, first lower molar compressed with the forlink absent. First incisor with lingual

Lingual

Lingual may refer to:* Rap Crew, LINGUAL, an underground widespread hip-hop group from Berlin, Germany. The Group was founded in 2010 with their former member Freddy K. Their music is based on oldschool features with mixtures of Rap, Funk and Jazz and consists of 4 members, Sam-Which, Kurt...

 and dorsal enamel ringlets. The third lower premolar

Premolar

The premolar teeth or bicuspids are transitional teeth located between the canine and molar teeth. In humans, there are two premolars per quadrant, making eight premolars total in the mouth. They have at least two cusps. Premolars can be considered as a 'transitional tooth' during chewing, or...

 of some taxa have a posterobuccal cusp (cusp at the back close to the cheek). The skull is defined by four shared characteristics, a large sinuses, postorbital

Postorbital

The postorbital is one of the bones in vertebrate skulls which forms a portion of the dermal skull roof and, sometimes, a ring about the orbit. Generally, it is located behind the postfrontal and posteriorly to the orbital fenestra. In some vertebrates, the postorbital is fused with the postfrontal...

 lateral

Lateral

Lateral may refer to:*Lateral , an anatomical direction*Lateral canal, a canal built beside another stream*Lateral consonant, an ℓ-like consonant in which air flows along the sides of the tongue...

 constriction of the skull, a hypertrophy

Hypertrophy

Hypertrophy is the increase in the volume of an organ or tissue due to the enlargement of its component cells. It should be distinguished from hyperplasia, in which the cells remain approximately the same size but increase in number...

 of the mastoid process

Mastoid process

The mastoid process is a conical prominence projecting from the undersurface of the mastoid portion of the temporal bone. It is located just behind the external acoustic meatus, and lateral to the styloid process...

es and no auditory bulla

Auditory bulla

The auditory bulla is a hollow bony structure on the ventral, posterior portion of the skull of placental mammals that encloses parts of the middle and inner ear. In most species, it is formed by the tympanic part of the temporal bone.In extant primates, the structure is found in tarsiers,...

 formed by an inflated tympanic wing of the alisphenoid

Subfamily indeterminate

Indeterminate

Indeterminate has a variety of meanings in mathematics:* Indeterminate * Indeterminate system* Indeterminate equation* Statically indeterminate* Indeterminate formIt is also a term in botany and gardening:*Indeterminate growth...

• †Galanarla

Subfamily Naambarinae

•  †Nambaroo
  Nambaroo
  Nambaroo is an extinct genus of macropod marsupial from the late Oligocene some 25 million years ago of Australia.-Sources:* at National Geographic...
  
  
•  †Wururoo
  • W. dayamayi
•  †Ganawamaya

Subfamily Balbarinae

•  †Balbaroo