Sigillariaceae - Sigillariaceae
Parent taxon: Lycophyta according to E. Taylor et al. 2008
See also Dilcher et al. 2005 and Jennings 1980
Sister taxa: Acanthotriletes, Annalepis, Bacutriletes, Carinostrobus, Drepanophycales, Erlansonisporites, Ferganodendron, Guycampbellia, Horstisporites, Hughesisporites, Lepidocarpaceae, Lepidodendrales, Pleuromeiales, Pleuromeiopsis, Protolepidodendrales, Protolepidodendron, Pseudolepidodendropsis, Wexfordia
Subtaxa: Calamosyrinx Clathraria Dictyoxylon Euphorbites Mazocarpon Mesosigillaria Presigillaria Pseudosyringodendron Rhytidolepis Sigillaria Sigillarioides Sigillariophyllum Sigillariopsis Stemmatopteris Syringodendron
Distribution:
• Cretaceous of the United Kingdom (2 collections)
• Permian of China (1), Iraq (1), North Korea (2), Oman (1), South Korea (1), Spain (1), Tanzania (1), United States (7: Colorado, Oklahoma, Texas), Zimbabwe (1)
• Virgilian of United States (1: New Mexico)
• Pennsylvanian of United States (11: Georgia, Illinois, Kansas, Michigan, New Mexico, Ohio)
• Westphalian of Canada (1: Nova Scotia), United States (2: Alabama, Illinois)
• Atokan of United States (3: Indiana)
• Namurian of Spain (1)
• Carboniferous of Canada (5: New Brunswick, Nova Scotia), Germany (2), the Netherlands (1), Spain (2), Ukraine (2), the United Kingdom (8), United States (25: Alabama, Colorado, Georgia, Illinois, Indiana, Kansas, Ohio, Utah, West Virginia)
• Mississippian of Canada (1: New Brunswick), France (1), United States (1: Missouri)
• Devonian of United States (4: New York, Pennsylvania)
Total: 89 collections including 153 occurrences