Strophomenata - Orthotetida - Chilidiopsidae
Full reference: A. Williams, S. J. Carlson, C. H. C. Brunton, L. E. Holmer, L. E. Popov, M. Mergl, J. R. Laurie, M. G. Bassett, L. R. M. Cocks, J.-Y. Rong, S. S. Lazarev, R. E. Grant, P. R. Racheboeuf, Y.-G. Jin, B. R. Wardlaw, D. A. T. Harper, and A. D. Wright and M. 2000. Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part). Treatise on Invertebrate Paleontology 1-919
Parent taxon: Chilidiopsidae according to A. Williams et al. 2000
Sister taxa: Chilidiopsinae, Fardenia, Saughina, Valdaria, Xystostrophia
Subtaxa: Gacella
Type: Gacella
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Silurian of United States (1: Nevada collection)
• Whiterockian of United States (1: Nevada)
• Ordovician of Kazakhstan (4), the United Kingdom (3)
Total: 9 collections each including a single occurrence