Species
Ranorthis parvula Rubel, 1961
Tyyppilajitiedot
neotype: Department of Geology, TalTech GIT 125-4, Purtse river (Purtse) , Leetse Formation (Billingen Stage, Mäeküla Member; Floian)
Synonyymit
1905 Orthis parvula sp. nov. (nomen nudum) — Lamanski , pp. 18
1961 Ranorthis parvula (Lamansky, nomen nudum)l — Rubel , pp. 149-151, fig. 3: 1-9
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Plectorthoidea |
| Family | Ranorthidae |
| Genus | Ranorthis |
| Species | carinata |
| norvegica | |
| parvula | |
| rotunda | |
| trivia |