Species
Tragoceras falcatus (Schlotheim, 1820)
Synonymy list
1820 Orthoceratites falcatus — Schlotheim , pp. 58, fig. 8:2
1840 Cyrtoceras falcatum Schlith. — Eichwald , pp. 108
1854 Cyrtoceras falcatum — Eichwald , pp. 371, fig. 29:a
1880 Aegoceras falcatum — Remele , pp. 244
1891 Planctoceras falcatum — Schröder , pp. 41, fig. 6:2
1926 Planctoceras falcatum — Patrunky , pp. 126
1953 Planctoceras falcatum (Schlotheim, 1820) — Balashov , pp. 226
1984 Tragoceras falcatum (Schlotheim, 1820) — Dzik , pp. 37
2002 Planctoceras falcatum — Mutvei , pp. 383
2011 Tragoceras falcatus (Schlotheim) — Mutvei & Dunca , fig. 2:C-D
Selection of related publications
Pohle, A., Klug, C., Toom, U., Kröger, B. 2019. Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from Estonia. Fossil Imprint 75, 1, 70-78. DOI:10.2478/if-2019-0006
Mutvei, H., Dunca, E. 2011. Siphuncular structure in the orders Tarphycerida and Barrandeocerida (Cephalopoda: Nautiloidea). Palaeontology 54, 3, 705-710. DOI:10.1111/j.1475-4983.2011.01041.x
Mutvei, H. 1957. On the relations of the principal muscles to the shell in Nautilus and some fossil nautiloids. Arkiv för Mineralogi och Geologi 2, 10, 219-259.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Tarphyceratia |
| Order | Tarphyceratida |
| Family | Estonioceratidae |
| Genus | Tragoceras |
| Species | arciforme |
| falcatus |
References based on distribution
- Mutvei & Dunca, 2011 Kandle cliff Kunda Stage
- Mutvei, 1957 Tallinn Kunda Stage