Family
Nanorthidae Havliček, 1977
Aiheeseen liittyvät julkaisut
Tolmacheva, T., Egerquist, E., Meidla, T., Tinn, O., Holmer, L. 2003. Faunal composition and dynamics in unconsolidated sediments: a case study from the Middle Ordovician of the East Baltic.Geological Magazine 140 , 1,31-44. DOI:10.1017/S001675680200701X
Rubel, M. P. 1961. Lower-Ordovician brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic.ENSV TA Geoloogia Instituudi uurimused VI , 141-226.
List of species
1. Nothorthis penetrabilis Rubel, 1961 | Volkhov Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Orthoidea |
| Family | Glyptorthidae |
| Hesperorthidae | |
| Lycophoriidae | |
| Nanorthidae | |
| Genus | Archaeorthis |
| Nothorthis | |
| Family | Orthidae |
| Orthidiellidae | |
| Plaesiomyidae | |
| Poramborthidae | |
| Productorthidae | |
| Genus | Cyrtonotella |