However, they are all poorly attested, and such a division is not supported by the evidence.

Cumeral is an extinct, poorly attested, and unclassified Arawakan language of Colombia.

The Central Malayo-Polynesian languages are for the most part poorly attested, and they do not constitute a coherent group.

There is, however, slight evidence that the northern and western families may be distantly related (the western varieties are especially poorly attested).

Bryansk remained poorly attested until the Mongol invasion of Russia.

The relationships of the poorly attested Buyeo dialects are disputed.

Anauyá is an extinct, poorly attested, and unclassified Arawakan language.

The language remains poorly attested during the Early Modern period.

Chono is a poorly attested extinct language of confusing classification that may or may not be related to Kawesqar.