Balbaridae is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

of basal Macropodoidea. The synapomorphies are divided into two areas, the dental and cranial. The dental area of this taxa can be described as having the molar lophodont and brachyodont with a hypo lophid formed by lingually displaced component of posthypo cristid and linked to a buccal crest from the entoconid. Molars have a hypo cingulid, first lower molar compressed with the "forelink" absent. First incisor with lingual and

dorsal Dorsal (from Latin ''dorsum'' ‘back’) may refer to: * Dorsal (anatomy), an anatomical term of location referring to the back or upper side of an organism or parts of an organism * Dorsal, positioned on top of an aircraft's fuselage The fus ...

enamel ridgelets. The third lower

premolar The premolars, also called premolar Tooth (human), teeth, or bicuspids, are transitional teeth located between the Canine tooth, canine and Molar (tooth), molar teeth. In humans, there are two premolars per dental terminology#Quadrant, quadrant in ...

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

lateral Lateral is a geometric term of location which may also refer to: Biology and healthcare * Lateral (anatomy), a term of location meaning "towards the side" * Lateral cricoarytenoid muscle, an intrinsic muscle of the larynx * Lateral release ( ...

constriction of the skull, a hypertrophy of the mastoid processes and no

auditory bulla The tympanic part of the temporal bone is a curved plate of bone lying below the squamous part of the temporal bone, in front of the mastoid process, and surrounding the external part of the ear canal. It originates as a separate bone (tympanic b ...

formed by an inflated tympanic wing of the alisphenoid.Kear, B.P. & Cooke, B.N., 2001:12!20. A review of macropodoid systematics with the inclusion of a new family. Memoirs of the Association of Australasian Palaeontologists 25, 83-101. ISSN 0810-8889 Subfamily indeterminate *†'' Galanarla'' *†'' Wabularoo'' Subfamily Nambarinae * †'' Nambaroo'' * †'' Wururoo'' **W. dayamayi * †'' Ganawamaya'' Subfamily Balbarinae * †'' Balbaroo'' **†'' Balbaroo fangaroo''

References

{{Taxonbar, from=Q223304 Prehistoric mammals of Australia Chattian first appearances Miocene extinctions Prehistoric macropods Prehistoric mammal families