As of 2012, the species lacks a proper binomial name.

The species lacks a lignotuber, so is thought to be killed by fire.

She had said it was a peculiar adaptation, one her species lacked.

Some additional older species may also be valid, but lack a modern description.

The species is still lacking a good description and diagnosis.

However, these two species lack both the fin and the ridge.

Most species completely lack parental care, but they are by no means uniform in their mating systems.

Both specimens are female; this species currently lack information on males.

This species lacks leaves as such, which may be reduced to scales.

Biologists know how species are related but lack the tools to show off their discoveries.