†subphylum Lycophytina
Parent taxon: Tracheophyta according to P. Kenrick and P.R. Crane 1997
Sister taxa: Bryobiotina, Euphyllophytina, Gymnospermopsida, Lycopodiobiotina, Progymnospermopsida, Pteridobiotina, Rhyniaceae, Rhyniopsida
Subtaxa: Zosterophyllum
Distribution:
• Devonian of Australia (1 collection), Belgium (3), Canada (28: New Brunswick, Nunavut), China (7), the Czech Republic (3), France (1), Germany (1), Kazakhstan (1), Norway (1), the Russian Federation (1), South Africa (1), the United Kingdom (10)
• Silurian to Devonian of China (1)
• Silurian of Canada (3: Nunavut), China (1), Norway (1), Ukraine (3)
Total: 67 collections including 97 occurrences