Sanmiguelia

Sanmiguelia is a genus of fossil plants. It may be among the earliest angiosperms. It was identified by imprints of palm-shaped leaves originating from the Triassic geological period (251 to 199.6 million years ago). They were found in rocks from Colorado .

Sanmiguelia
Temporal range: Norian to Hettangian[1]
Sanmiguelia fossil 2.jpg
Sanmiguelia fossil at the New Mexico Museum of Natural History and Science
Scientific classification
Kingdom:
(unranked):
Order:
Genus:
Sanmiguelia
Species:
S. lewisi
Binomial name
Sanmiguelia lewisi
Brown, 1956[2]

The leaves were ellipsoidal and wrinkled, up to 40 cm long and 25 cm wide, and were at the apex of a tapered or spindle-shaped stem. [3] According to these data, it belonged to a possible family flowering plants Sanmigueliaceae , unknown order, in class Magnoliopsida, division Tracheophyta.

Related pages

References

  1. Ash, Sidney; Milner, Andrew; Trailo, David Alan. "First known post-Triassic occurrence of the palm-like plant fossil Sanmiguelia Brown". Retrieved January 2, 2021.
  2. "Sanmiguelia lewisii Brown, 1956". Yale Peabody Museum of Natural History. Retrieved January 2, 2021.
  3. William L. Hosch ed. (2020): Sanmiguelia. Encyclopaedia Britanicanica. [1] London.