Family
Ancientidae Ross, 1967
Aiheeseen liittyvät julkaisut
Schallreuter, R. 1980. Ordovizische Problematika, II. Microancientia gen. n.. Paläontologische Zeitschrift 54, 3/4, 313-318. DOI:10.1007/BF02988133
Luokittelu
| Organism group | Biota |
| Incertae sedis (fossils) | |
| Infraclass | Calcified Microproblematica |
| Family | Ancientidae |
| Genus | Microancientia |
| Family | Ovummuridae |
| Genus | Alliumella |
| Clistrocystis | |
| Lontohystrichosphaera | |
| Polytrichoides | |
| Rugosoopsis | |
| Vikisphaera | |
| Species | Skolithos declinatus |