†Pentamerus (Barrandella) Hall and Clarke 1892 (lamp shell)
Rhynchonellata - Pentamerida - Pentameridae
Alternative spelling: Barrandella
Full reference: J. Hall and J. M. Clarke. 1892. An introduction to the study of the genera of Paleozoic Brachiopoda. Natural History of New York, New York State Geological Survey 8:1-367
Parent taxon: Pentamerus according to F. R. C. Reed 1917
Sister taxa: Pentamerus (Supertrilobus), Pentamerus asiaticus, Pentamerus comis, Pentamerus gothlandicus, Pentamerus lotis, Pentamerus oblongus, Pentamerus palaformis
Subtaxa: Barrandella kindlei
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Canada (2: Quebec collections), United States (2: California, Indiana)
Total: 4 collections each including a single occurrence