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Sawdonia

Taxonomy

No taxonomic data are available

Species lacking formal opinion data
S. acanthotheca, S. wyomingense

Synonymy list
No taxonomic opinions are available

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No classification data are available

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Emsian to the top of the Givetian or 410.62000 to 382.31000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Devonian419.62 - 393.47Canada (Nunavut) S. ornata (23967)
Early/Lower Devonian419.62 - 393.47Norway (Sor-Trondelag) S. ornata (21190 21194 21195)
Early/Lower Devonian419.62 - 393.47United Kingdom (Scotland) S. ornata (26785)
Early/Lower Devonian419.62 - 393.47Canada (New Brunswick) S. acanthotheca (26438) S. ornata (26525)
Early/Lower Devonian - Middle Devonian419.62 - 382.31Belgium (Liege) S. ornata (24038)
Emsian410.62 - 393.47United Kingdom (England) S. ornata (11082)
Emsian410.62 - 393.47USA (Wyoming) S. wyomingense (26176)
Emsian410.62 - 393.47Canada (Ontario) S. ornata (10595)
Emsian410.62 - 393.47United Kingdom (Scotland) S. ornata (10719 11513)
Emsian410.62 - 393.47Canada (Quebec) S. ornata (29026 31011 31023 31027 31215) S. sp. (28924 29003)
Eifelian - Early/Lower Frasnian393.47 - 379.0Venezuela (Zulia State) S. sp. (14213)
Givetian387.95 - 382.31USA (Maine) S. ornata (23713)
Late/Upper Givetian - Early/Lower Frasnian383.4 - 379.0USA (New York) Psilophyton princeps (20813)