Species
Hemiphragma pygmaeum Bassler, 1911
Synonymy list
1911 Hemiphragma pygmaeum, new species — Bassler , pp. 289 , fig. text fig. 176
1953 Hemiphragma pygmaeum Bassl. — Modzalevskaya , pp. 104
1978 Hemiphragma pygmaeum Bassler, 1911 — Astrova , pp. 53
2008 Hemiphragma pygmaeum Bassler, 1911 — Buttler et al. , pp. 11 , fig. 2.1-2.2
Selection of related publications
Astrova, G. G. 1978. Istoriâ razvitiâ, sistema i filogeniâ mšanok otrâda Trepostomata. Transactions of the Paleontological Institute (PIN) 169, 1-240. Nauka.
Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852. Institut Geologii Akademii Nauk Estonskoi SSR.
Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 91-167. Gostoptehizdat.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Bryozoa |
| Class | Stenolaemata |
| Superorder | Palaeostomata |
| Order | Trepostomata |
| Suborder | Halloporina (suborder) |
| Family | Dittoporidae |
| Genus | Hemiphragma |
| Species | batheri |
| convexa | |
| insolitum | |
| irrasum | |
| ottawaense | |
| panderi | |
| priscum | |
| pygmaeum | |
| rotundatum | |
| subirrasum | |
| tenuimurale |
References based on distribution
- Bassler, 1911b Böda, Öland
- Modzalevskaya, 1953 Kukruse Stage
- Astrova, 1978