Voltziales is an extinct order of conifers. The group contains the ancestral lineages from which all modern conifer groups emerged. The earliest Voltzialean conifers appear in the Late Carboniferous (Pennsylvanian).[1] Modern conifer lineages emerged from voltzialean ancestors from the Late Permian to Jurassic.[2] Voltzialean conifers outside modern groups such as Krassilovia/Podozamites survived into the Cretaceous, before becoming extinct.[3] One of the earliest and most primitive genera is Walchia, known originally for its leaf form genus, and primitive members of the order are commonly called "Walchian conifers".[4] The order consists of these families:[citation needed]

Temporal range: Late Carboniferous–Late Cretaceous
Voltzia heterophylla.JPG
Voltzia heterophylla
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnosperms
Division: Pinophyta
Class: Pinopsida
Order: Voltziales
Andreanszky 1954

See text

The genus Voltzia was named in honour of the French geologist Philippe Louis Voltz.


  1. ^ Rothwell, Gar W.; Mapes, Gene; Hernandez-Castillo, Genaro R. (August 2005). "Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales)". Taxon. 54 (3): 733–750. doi:10.2307/25065430. ISSN 0040-0262. JSTOR 25065430.
  2. ^ Leslie, Andrew B.; Beaulieu, Jeremy; Holman, Garth; Campbell, Christopher S.; Mei, Wenbin; Raubeson, Linda R.; Mathews, Sarah (September 2018). "An overview of extant conifer evolution from the perspective of the fossil record". American Journal of Botany. 105 (9): 1531–1544. doi:10.1002/ajb2.1143. PMID 30157290.
  3. ^ Herrera, Fabiany; Shi, Gongle; Mays, Chris; Ichinnorov, Niiden; Takahashi, Masamichi; Bevitt, Joseph J.; Herendeen, Patrick S.; Crane, Peter R. (2020-01-15). Peppe, Daniel (ed.). "Reconstructing Krassilovia mongolica supports recognition of a new and unusual group of Mesozoic conifers". PLOS ONE. 15 (1): e0226779. Bibcode:2020PLoSO..1526779H. doi:10.1371/journal.pone.0226779. ISSN 1932-6203. PMC 6961850. PMID 31940374.
  4. ^ Rothwell, Gar W.; Mapes, Gene; Hernandez-Castillo, Genaro R. (August 2005). "Hanskerpia gen. nov. and Phylogenetic Relationships among the Most Ancient Conifers (Voltziales)". Taxon. 54 (3): 733–750. doi:10.2307/25065430. JSTOR 25065430.

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