†family Rhyniaceae Kidston and Lang 1920
Parent taxon: Tracheophyta according to P. R. Crane et al. 2004
See also Doweld 2001
Sister taxa: Arisada, Bryobiotina, Catenalis, Euphyllophytina, Gymnospermopsida, Lycophytina, Lycopodiobiotina, Lycopodiophyta, Progymnospermopsida, Pteridobiotina, Pteridophyta, Rhyniopsida, Sciadophyton, Spermatophyta
Subtaxa: Palaeostigma Steganotheca Taeniophyton
Ecology: "photoautotroph"
Distribution:
• Devonian of Brazil (2 collections), South Africa (6)
• Silurian of Bolivia (1), the United Kingdom (2)
Total: 11 collections including 13 occurrences