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Sawdoniaceae

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Extinct family of spore-bearing plants

Sawdoniaceae
Sawdonia ornata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Lycophytes
Plesion: Zosterophylls
Order: Sawdoniales
Family: Sawdoniaceae
Genera

See text.

Sawdoniaceae is a family of extinct zosterophylls. The zosterophylls were among the first vascular plants in the fossil record, and are considered to share an ancestor with the living lycophytes. The family is recognized by some sources, and placed in the Sawdoniales. Other sources do not recognize the family, and place some of its members in the family Gosslingiaceae.

Genera

Genera that have been placed in this family by Kenrick and Crane in 1997 are shown in the table below, along with their treatment by Hao and Xue in 2013.

Genus Hao & Xue (2013)
Crenaticaulis Banks & Davis Gosslingiaceae
Sawdonia Hueber Gosslingiaceae
Konioria Zdebska incertae sedis
Anisophyton unplaced as to family
Deheubarthia unplaced as to family
Serrulacaulis unplaced as to family

References

  1. ^ Kenrick, Paul & Crane, Peter R. (1997), The Origin and Early Diversification of Land Plants: A Cladistic Study, Washington, D.C.: Smithsonian Institution Press, p. 172, ISBN 978-1-56098-730-7
  2. ^ Hao, Shougang & Xue, Jinzhuang (2013), The early Devonian Posongchong flora of Yunnan: a contribution to an understanding of the evolution and early diversification of vascular plants, Beijing: Science Press, p. 53, ISBN 978-7-03-036616-0, retrieved 2019-10-25
Taxon identifiers
Sawdoniaceae


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