Liriodendrites

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Liriodendrites
Temporal range: Late Cretaceous–Paleocene
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Magnoliaceae
Genus:† Liriodendrites
Johnson (1996)
Species
  • †L. aeternusAlekseev, 2010
  • †L. bradaciiJohnson, 1996 (type species)
  • †L. laramienseJohnson, 1996 (Kirk, 1989)
  • †L. occidentalisAlekseev, 2010
  • †L. sachalinensisAleskeev, 2010

Liriodendrites is an extinct genus of plants, known from fossil leaves. These have a forked apex (bifurcate), like those of extant species of Liriodendron . [1] They have been interpreted as transitional between the leaves of the extinct genus Liriophyllum and Liriodendron. [2] The genus has been placed in the family Magnoliaceae. [3] Five species are known: L. aeternus, [1] L. bradacii, [4] L. laramiense, [5] L. occidentalis [1] and L. sachalinensis. [1] It has been discovered in the United States (Hell Creek Formation), Egypt (Bahariya Formation) and Russia (Sakhalin and Siberia).

References

  1. 1 2 3 4 Alekseev, P. I. (2010). "Genus Liriodendrites in Cretaceous and early Paleogene floras of Northern Asia" . Paleontological Journal. 43 (10): 1181–1189. doi:10.1134/S0031030109100013. ISSN   0031-0301. S2CID   140692794.
  2. ↑ Romanov, Mikhail S. & Dilcher, David L (2013). "Fruit structure in Magnoliaceae s.l. and Archaeanthus and their relationships". American Journal of Botany. 100 (8): 1494–1508. doi:10.3732/ajb.1300035. PMID   23942087.
  3. ↑ Donovan, Michael P.; Wilf, Peter; Labandeira, Conrad C.; Johnson, Kirk R.; Peppe, Daniel J. (2014-07-24). "Novel Insect Leaf-Mining after the End-Cretaceous Extinction and the Demise of Cretaceous Leaf Miners, Great Plains, USA". PLOS ONE. 9 (7): e103542. Bibcode:2014PLoSO...9j3542D. doi: 10.1371/journal.pone.0103542 . PMC   4110055 . PMID   25058404.
  4. ↑ Johnson, Kirk R. (1996). Description of seven common fossil leaf species from the Hell Creek Formation (Upper Cretaceous: Upper Maastrichtian), North Dakota, South Dakota, and Montana. Proceedings of the Denver Museum of Natural History. ser. 3 (12): 47 pp.
  5. ↑ Kirk R. Johnson; See: Johnson, Kirk R. (1989). A high-resolution megafloral biostratigraphy spanning the Cretaceous-Tertiary boundary in the northern Great Plains. Ph.D Dissertation. Yale University, New Haven. [Volume=I-II.].; Note: "Primary type" of HC166


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