Subclass
Heterodonta Neumayr, 1884
Selection of related publications
Isakar, M., Sinicyna, I. 1993. A new species Megalomoidea walliseri (Bivalvia) from the Silurian of Estonia. Proceedings of the Estonian Academy of Sciences. Geology 42, 3, 124-126. DOI:10.3176/geol.1993.3.04
Isakar, M. 1990. Bivalvia and Gastropoda. Field Meeting Estonia 1990. An Excursion Guidebook, pp. 64-65. Estonia Academy of Sciences.
Soot-Ryen, H. 1969. A new species of Babinka (Bivalvia) from the Lower Ordovician of Öland, Sweden. Palaeontology 12, 2, 173-177.
Saladžius, V. J. 1966. Mollusk fauna of the Silurian deposits of the south of the East Baltic territory. Palaeontology and stratigraphy of the Baltic and the Byelorussia. Number I (VI), pp. 31-73. Mintis.
List of species
1. Babinka oelandensis Soot-Ryen, 1969 | Kunda Stage
2. Cerastoderma glaucum (Poiret, 1789) | Paleocene
4. Grammysia obliqua (McCoy, 1852) | Ludlow
5. Ilionia prisca (Hisinger, 1837) | Ludlow
8. Megalomoidea walliseri Isakar et Sinicyna, 1993 | Paadla Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Bivalvia |
| Subclass | Heterodonta |
| Order | Cardiida |
| Hippuritoida | |
| Myida | |
| Pholadomyida | |
| Veneroida | |
| unranked | Archiheterodonta |
| Subclass | Isofilibranchia |
| Palaeoheterodonta | |
| Protobranchia | |
| Pteriomorphia | |
| Cohort | Mytilomorphi |
| Superorder | Nepiomorphia |
| Ostreiformii | |
| Order | Fordillida |
| Pectinida | |
| Solenida | |
| Trigoniida | |
| Tuarangiida |