†Achatella (Achatella) Delo 1935 (trilobite)
Trilobita - Phacopida - Pterygometopidae
Parent taxon: Achatella according to Delo 1935
Sister taxa: Achatella achates, Achatella katharina, Achatella kuckersianus, Achatella schmidti, Achatella truncatocaudata, Achatella (Vironiaspis) kegelensis
Subtaxa: Achatella (Achatella) bailyi Achatella (Achatella) consobrina Achatella (Achatella) nieszkowskii
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Canada (3: Quebec collections), the United Kingdom (2)
Total: 5 collections each including a single occurrence