BioConcepts

monotypicmonotypique (fr.); monotypisch (ger.)

• A systematic group that comprises only one taxon of a lower taxonomic level. (HWB)
  category species

  1858

  Had monotypic genera or oligotypic been at all materially less variable than polytypic it would not have escaped the sagacity of […] Linnæus.

  Hooker, J.D. (1858). [Letter to Charles Darwin on 14 March 1858]. In: Charles Darwin Correspondence, vol. VII (1991): 50.
  

  1859

  both Kadsura and Sphærostema in Japan represent our monotypic Schizandra

  Gray, A. (1859). Diagnostic characters of new species of phænogamous plants, collected in Japan by Charles Wright. Memoirs of the American Academy of Arts and Sciences, New Series 6, 377-452: 380.
  

  1860

  fourteen of the genera [of fifty-six species of the Americo-Japanese region wanting in Europe] (most of them monotypic) are peculiar to America and Japan

  Gray, A. (1860). Remarks on the botany of Japan, in its relations to that of North America. Edinb. New Philos. J. 11, 159-163: 162.

  1871

  monotypic genera

  Gray, A. (1871). In: F.J.B. Herbarium suggestions. Bull. Torrey Bot. Club 2, 9.
  

  1878

  monotypic

  Gill, T.N. (1878). Note on the Ceratiidae. Proc. U.S. Natl. Mus. 1(33), Art 96 227-231: 231.