A plant genus of the family Anthocerotaceae, order Anthocerotales, class Anthocerotopsida.

A plant division that includes hornworts, named for the horn-like appearance of the spore-producing plant (sporophyte).

Synonyms: Anthocerotophytas, txid3233, Anthocerotophyta, Hornworts, Anthocero, Hornwort, txid13809, Anthoceros