†subfamily Xenambonitinae Cooper 1956 (lamp shell)
Strophomenata - Strophomenida - Sowerbyellidae
Full reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245
Parent taxon: Sowerbyellidae according to J. L. Benedetto 2012
See also Cooper 1956 and Williams et al. 2000
Sister taxa: Anechophragminae, Hadroskolos, Jingshanella, Kozlowskites, Olgambonites, Ptychoglyptinae, Sowerbyellinae, Zhilgyzambonites
Subtaxa: Metambonites Synambonites Xenambonites
Type: Xenambonites
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of United States (1: Alabama collection)
• Ordovician of China (2), Kazakhstan (5), the United Kingdom (5), United States (1: Alaska)
Total: 14 collections each including a single occurrence