Genus
Parapyxion Jaanusson, 1957
Aiheeseen liittyvät julkaisut
Gailite, L. 1975. Ostracoda from Middle and Upper Ordovician boundary in West Latvia. The Fauna and Stratigraphy of Paleozoic and Mesozoic of Baltic and Byelorussia, pp. 59-68. Mintis.
List of species
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Palaeocopida |
| Suborder | Beyrichicopina |
| Binodicopa | |
| Superfamily | Aechminacea |
| Family | Circulinidae |
| Genus | Arpaschmidtella |
| Bolliaphores | |
| Circulina | |
| Circulinella | |
| Craspedopyxion | |
| Easchmidtella | |
| Gravensia | |
| Kinnekullea | |
| Ledanina | |
| Orechina | |
| Parapyxion | |
| Species | dizrungensis |
| Genus | Paraschmidtella |
| Pedomphalella | |
| Pyxion | |
| Vogdesella |