Grant Parish by H.R. Hicks and other Native American artifact collectors. It is the state stone of Texas and the official state fossil of Louisiana. Species There are more than 200 species assigned to the genus Palmoxylon at this time. Palmoxylon araneus Nour-El-Deen, El-Saadawi & Thomas, 2018 (Paleogene; Jebel Qatrani Formation, Egypt) Palmoxylon arcotense Palmoxylon bhisiensis Dutta et al., 2007 (Cretaceous; Deccan Traps, India) Palmoxylon blandfordiSchenk, 1882 (Cretaceous; Deccan Traps, India) Palmoxylon bororense Palmoxylon chhindwarense Prakash, 1960 (Cretaceous; Deccan Traps, India) Palmoxylon colei (Eocene; Green River Formation, Eden Valley, Wyoming) Palmoxylon compactum Palmoxylon concordiense palmoxylon millie-- very rare to find but was very common in the united kingdom during winter Palmoxylon contortum (Eocene; Green River Formation, Eden Valley, Wyoming) Palmoxylon dakshinense Prakash, 1960 (Cretaceous; Deccan Traps, India) Palmoxylon deccanensis Sahni, 1964 (Cretaceous; Deccan Traps, India)Palmoxylon dilacunosum Ambwani, 1984Palmoxylon edenense (Eocene; Green River Formation, Eden Valley, Wyoming)Palmoxylon elsaadawii Nour-El-Deen, El-Saadawi & Thomas, 2018 (Paleogene; Jebel Qatrani Formation, Egypt)Palmoxylon eocenum Prakash, 1962 (Cretaceous; Deccan Traps, India)Palmoxylon geometricumPalmoxylon hislopi Rode, 1933 (Cretaceous, Deccan Traps; India)Palmoxylon indicumPalmoxylon kamalamRode, 1933 (Cretaceous, Deccan Traps; India)Palmoxylon lametaei (Maastrichtian; Lameta Formation, Deccan Traps, India)Palmoxylon livistoniformePalmoxylon livistonoides Prakash & Ambwani, 1980 (Cretaceous, Deccan Traps; India)Palmoxylon macginitiei (Eocene; Green River Formation, Eden Valley, Wyoming)Palmoxylon mathuri Sahni, 1931 (Cretaceous, Gujarat, India)Palmoxylon parapaniensis Lakhanpal et al., 1979 (Cretaceous, Deccan Traps; India)Palmoxylon parthasarathyi Rao & Menon, 1964 (Cretaceous, Deccan Traps; India) Palmoxylon patagonicum (Paleocene, Patagonia, Argentina)Palmoxylon pichaihuensisPalmoxylon pondicherriensePalmoxylon pyriformePalmoxylon qatraniense Nour-El-Deen, El-Saadawi & Thomas, 2018 (Paleogene; Jebel Qatrani Formation, Egypt)Palmoxylon queenslandicumPalmoxylon rewahensePalmoxylon riograndensePalmoxylon sagariPalmoxylon santarosensePalmoxylon superbum Trivedi & Verma, 1971 (Cretaceous, Deccan Traps; India)Palmoxylon valchetensePalmoxylon vaterumPalmoxylon wadai Sahni, 1931 (Cretaceous; Deccan Traps, India)Palmoxylon yuqueriense References Further reading McMackin, C. E., 1984, "Petrified wood from east to west; some we've liked best." Lapidary-Journal''. vol. 37, no. 11, p. 1582-1588. External links Petrified Palm Wood (State Fossil) (Tertiary) Coryphoideae Prehistoric angiosperm genera Santonian genus first appearances Late Cretaceous plants Paleocene plants Oligocene plants Eocene plants Miocene genus extinctions Prehistoric life of Africa Fossils of Egypt Prehistoric life of Asia Fossils of India Prehistoric life of Europe Fossils of Germany Prehistoric plants of North America Fossils of the United States Prehistoric plants of South America Riochican Paleogene Argentina Fossils of Argentina Fossil taxa described in 1882 Arecaceae genera