†family Elkinsiaceae Rothwell et al. 1989
Lagenospermopsida - Elkinsiales - Elkinsiaceae
Parent taxon: Elkinsiales according to G. W. Rothwell et al. 1989
Sister taxa: none
Subtaxa: Xenotheca
Ecology: "photoautotroph"
Distribution:
• Devonian of Belgium (1 collection), United States (1: West Virginia)
Total: 2 collections each including a single occurrence