†Kirkidium (Pinguaella) Boucot and Johnson 1979 (lamp shell)
Rhynchonellata - Pentamerida - Pentameridae
Alternative spelling: Pinguaella
Parent taxon: Kirkidium according to A. Williams et al. 2002
See also Sepkoski 2002
Sister taxa: Kirkidium (Bateridium), Kirkidium knighti, Kirkidium sculptum
Subtaxa: Kirkidium (Pinguaella) macallisteri
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of the Czech Republic (2 collections), United States (1: California)
Total: 3 collections each including a single occurrence