Family assignation from Skompski, 2010, who notes: [family assignment] "Udoteaceae, which formerly was classified ... [details]
Described as a calcified microproblematicum, and treated as an accepted name in recent sources, however preoccupied ... [details]
Originally described as Microproblematicum; same formal designation in Skompski, 2010, however the latter notes: ... [details]