''Hattorioceros'' is a genus of

hornwort Hornworts are a group of non-vascular Embryophytes (land plants) constituting the division Anthocerotophyta (). The common name refers to the elongated horn-like structure, which is the sporophyte. As in mosses and liverworts, hornworts have a ...

s belonging to the family

Anthocerotaceae The Anthocerotaceae is the only family of hornwort Hornworts are a group of non-vascular Embryophytes (land plants) constituting the division Anthocerotophyta (). The common name refers to the elongated horn-like structure, which is the sporo ...

. Only one species is known, ''Hattorioceros striatisporus'' (J Haseg.) J.Haseg. The genus name of ''Hattorioceros'' is in honour of Sinsuke (or ''Sinske'' and ''Shinsuke'') Hattori (1915-1992), who was a Japanese botanist (Bryology) and Professor of Botany at the

University of Tokyo , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...

. The genus was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

by Jiro Hasegawa in J. Hattori Bot. Lab. vol.76 on page 32 in 1994.

References

{{Taxonbar, from=Q17319566 Hornworts Bryophyte genera