Species
Chaetetes hemisphaericus (Eichwald, 1829)
Current taxon already exists. See initial taxon Mesotrypa bystrowi
Taxon ID: 7593
Fossil group: Porifera
Belongs to: Chaetetes
Other version of taxon: Mesotrypa bystrowi
Stratigraphic distribution: Haljala Stage (header.f_taxon_age_within 458.2 – 456.2 header.f_taxon_age_within_unit)
Synonymy list
1829 Orbitulites hemisphaericus n. — Eichwald , pp. 179, fig. 2:1
1856 Chaetetes (Orbitulites) hemisphaericus — Eichwald , pp. 91
1857 Chaetetes (Orbitulites) hemisphaericus — Eichwald , pp. 37
1860 Chaetetes hemisphaericus m. (pars) — Eichwald , pp. 476, fig. 28:5
1861 Chaetetes hemisphaericus — Eichwald , pp. 112
2002 Mesotrypa bystrowi — Pushkin , pp. 428
2003 Revalotrypa gibbosa (Bassler, 1911) — Pushkin , pp. 45
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Porifera |
| Class | Demospongea |
| Order | Chaetetida |
| Family | Chaetetidae |
| Subfamily | Chaetetinae |
| Genus | Chaetetes |
| Species | hemisphaericus |
| pyriformis |