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Dawsonites

Psilophytopsida

Taxonomy
Dawsonites was named by Halle (1916). Its type is Dawsonites arcuatus.

It was assigned to Psilophytophyta by Andrews (1970); and to Trimerophytopsida by Gerrienne (1990).

Species
D. arcuatus (type species)
Species lacking formal opinion data
D. minor, D. roskiliensis

Synonymy list
YearName and author
1916Dawsonites Halle
1970Dawsonites Andrews
1990Dawsonites Gerrienne

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
phylumPsilophytophyta
RankNameAuthor
classPsilophytopsidaKidston and Lang 1917
genusDawsonitesHalle 1916

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Dawsonites Halle 1916
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†Dawsonites arcuatus Halle 1916
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: Early/Lower Emsian or 409.10000 to 402.50000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Devonian419.2 - 393.3France D. arcuatus (28038)
Early/Lower Devonian419.2 - 393.3France (Lys Valley) D. minor, D. arcuatus (28207)
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (territoire d'Estinnes-au-Monts) D. arcuatus (23258)
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (Luxumbourg) D. sp. (23575)
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (Liege) D. arcuatus (24038) D. sp. (23564)
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (Namur) D. arcuatus (23562)
Early/Lower Devonian - Middle Devonian419.2 - 382.7Belgium (Hainuat) D. minor, D. arcuatus (23545 23559)
Early/Lower Devonian - Middle Devonian419.2 - 382.7United Kingdom (Scotland) D. roskiliensis (10692 10695)
Pragian410.8 - 407.6United Kingdom (Wales) D. arcuatus (11083 11088)
Pragian410.8 - 407.6Belgium (Nord du Bassin de Dinant) D. arcuatus (22860)
Pragian - Middle Devonian410.8 - 382.7Australia (Victoria) D. subarcuatus (20896)
Pragian - Devonian410.8 - 358.9Belgium (Liege) D. arcuatus (10592)
Early/Lower Emsian409.1 - 402.5Germany (Alken) D. jabachensis (27049)
Emsian407.6 - 393.3United Kingdom (Scotland) D. sp. (10719 11513)
Emsian407.6 - 393.3United Kingdom (England) D. arcuatus (11082)
Emsian407.6 - 393.3Canada (Quebec) D. sp. (29029)