Species
Hemicosmites pyriformis Buch, 1840
Synonymy list
1840     Hemicosmites pyriformis von Buch — von Buch , pp. 59, fig. 1: 1-3,6-8,11,13
1899     H. pyriformis v. Buch 1840 — Jaekel , pp. 309, fig. XVIII 4
1943     Hemicosmites pyriformis von Buch, 1840 — Bassler et Moodey , pp. 166
1945     Hemicosmites pyriformis von Buch — Regnéll , pp. 98,100
1979     Hemicosmites pyriformis von Buch, 1840 — Bockelie , pp. 388, fig. 43: 3-5
Selection of related publications
Bockelie, J. F. 1979. Taxonomy, functional morphology and palaeoecology of the Ordovician cystoid family Hemicosmitidae.  Palaeontology   22,   2,   363-406.
Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea. pp. 1-441.  Verlag von Julius Springer. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Blastozoa | 
| Class | Rhombifera | 
| Superfamily | Hemicosmitida | 
| Family | Hemicosmitidae | 
| Genus | Hemicosmites | 
| Species | altus | 
| extraneus | |
| grandis | |
| malum | |
| oblongus | |
| oelandicus | |
| papaveris | |
| pocillum | |
| porosus | |
| pulcherrimus | |
| pyriformis | |
| rudis | |
| sculptus | |
| sphaericus | |
| variabilis | |
| verrucosus | 
References based on distribution
- Bockelie, 1979a Pulkovo, Leningrad District
- Jaekel, 1899