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No taxonomic data are available

Species lacking formal opinion data

Synonymy list
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Age range: base of the Emsian to the top of the Givetian or 407.60000 to 382.70000 Ma

Collections (23 total)

Time interval Ma Country or state Original ID and collection number
Early/Lower Devonian419.2 - 393.3Norway (Sor-Trondelag) S. ornata (21190 21194 21195)
Early/Lower Devonian419.2 - 393.3Canada (New Brunswick) S. acanthotheca (26438) S. ornata (26525)
Early/Lower Devonian419.2 - 393.3Canada (Nunavut) S. ornata (23967)
Early/Lower Devonian419.2 - 393.3United Kingdom (Scotland) S. ornata (26785)
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (Liege) S. ornata (24038)
Emsian407.6 - 393.3Canada (Ontario) S. ornata (10595)
Emsian407.6 - 393.3United Kingdom (England) S. ornata (11082)
Emsian407.6 - 393.3USA (Wyoming) S. wyomingense (26176)
Emsian407.6 - 393.3United Kingdom (Scotland) S. ornata (10719 11513)
Emsian407.6 - 393.3Canada (Quebec) S. ornata (29026 31011 31023 31027 31215) S. sp. (28924 29003)
Eifelian - Early/Lower Frasnian393.3 - 382.4Venezuela (Zulia State) S. sp. (14213)
Late/Upper Givetian - Early/Lower Frasnian388.1 - 382.4USA (New York) Psilophyton princeps (20813)
Givetian387.7 - 382.7USA (Maine) S. ornata (23713)