Dadoxylon

Dadoxylon is a form genus of fossil wood, including massive tree trunks. Dadoxlyon is identified from the late Palaeozoic to the end of the Mesozoic,[1] but especially common in the Carboniferous.[2]

Dadoxylon
Dadoxylon fossil trunks from the Bumi Hills area of Zimbabwe
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Araucariaceae (?)
Genus: †Dadoxylon
Endlicher, 1847

Description

Dadoxylon were large trees that bore long strap-like leaves and trunks with small, narrow rays.[2]

Distribution

Dadoxylon is common in many parts of the world, found in sites of both Gondwanaland and Laurasia and reported from southern Africa,[3] central Asia,[4] eastern Europe,[5] South America[6] and North America.[2]

In southern Africa, Dadoxylon is widespread in the Pebbly Arkose Formation[3] and also reported frequently from the Angwa Sandstone Formation.[7][8]

Systematics

Dadoxlyon may be the same form genus as Araucarioxylon, hence the usage Dadoxylon (Araucarioxylon).[9] Araucarioxylon is classified under family Araucariaceae.[10]

Several Dadoxylon species, such as D. brandlingii and D. saxonicum have been identified as Araucarites.[5]

References
  1. Giraud, Bernadette (1991). "Les espèces du genre Dadoxylon depuis 1962: Leur répartition et leur évolution du Permien à la fin du Mésozoïque". Review of Palaeobotany and Palynology. 67: 13. doi:10.1016/0034-6667(91)90014-T.
  2. Falcon-Lang, Howard J. (2011). "Fossil wood". Geology Today. 27 (4): 154. doi:10.1111/j.1365-2451.2011.00803.x.
  3. Nugent, Chris (1990). "The Zambezi River: Tectonism, climatic change and drainage evolution". Palaeogeography, Palaeoclimatology, Palaeoecology. 78: 55. doi:10.1016/0031-0182(90)90204-K.
  4. Naugolnykh, S. V.; Ponomarenko, A. G. (2010). "Possible traces of feeding by beetles in coniferophyte wood from the Kazanian of the Kama River basin". Paleontological Journal. 44 (4): 468. doi:10.1134/S0031030110040131.
  5. Mencl, Václav; Matysová, Petra; Sakala, Jakub (2009). "Silicified wood from the Czech part of the Intra Sudetic Basin (Late Pennsylvanian, Bohemian Massif, Czech Republic): Systematics, silicification and palaeoenvironment". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 252 (3): 269. doi:10.1127/0077-7749/2009/0252-0269.
  6. Francine Kurzawe and Sheila Merlotti. "O complexo Dadoxylon-Araucarioxylon, Carbonífero e Permiano do Gondwana: estudo taxonômico do gênero Dadoxylon" (PDF). Pesquisas em Geociências. 36: 223–232. Archived from the original (PDF) on 2012-04-06. Retrieved 2012-03-08.
  7. P.M. Oesterlen (1990). "The geology of the Dande West area (western Cabora Bassa Basin) - a preliminary report". Annals of the Zimbabwe Geological Survey. 14: 12–20.
  8. D. Love (1997). "The geology of the Chirundu area, Zambezi Valley". Annals of the Zimbabwe Geological Survey. 18: 18–26.
  9. Philippe, Marc (2011). "How many species of Araucarioxylon?". Comptes Rendus Palevol. 10 (2–3): 201. doi:10.1016/j.crpv.2010.10.010.
  10. Frank H. Knowlton (1889). "New species of fossil wood (Araucarioxylon arizonicum) from Arizona and New Mexico" (PDF). Proceedings of the United States National Museum. 11: 1–5. doi:10.5479/si.00963801.11-676.1.
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