Biota (Life)
Eukaryote (Eukarya)
Chromista
Bacillariophyta
Coscinodiscophyceae (Centricae)
Rhizosoleniales
Pyxillaceae
Pyrgupyxis
Pyrgupyxis johnsoniana (67878988)
Children (1 direct children, 1 direct and indirect children):
Pyrgupyxis johnsoniana var. intermedia