The Barnacle Goose was first classified taxonomically by Johann Matthäus Bechstein in 1803.

It was earlier taxonomically classified under the genus Eupatorium, but is now considered more closely related to other genera in the tribe Eupatorieae.

The plants of this genus were earlier taxonomically classified under the genus Eupatorium, but are now considered to be more closely related to other genera in the tribe Eupatorieae.

Because of Chlamydia's unique developmental cycle, it was taxonomically classified in a separate order.

This family can not yet be taxonomically classified in any of the ascomycetous classes and orders with any degree of certainty (incertae sedis).

Samples are taxonomically classified to determine the composition and species diversity of the communities that established over the long term exposures.

Although all of the languages indicated below are taxonomically classified as Visayan, not all speakers identify themselves as ethnically Visayan.

The scientific name of redtail surfperch is Amphistichus rhodoterus and these fish are taxonomically classified in the surfperch Family Embiotocidae.

The Greater Roadrunner, taxonomically classified as Geococcyx californianus, meaning "Californian Earth-cuckoo," is a long-legged bird in the cuckoo family, Cuculidae.

Traces can be classified taxonomically (by morphology), ethologically (by behavior), and toponomically, that is, according to their relationship to the surrounding sedimentary layers.