Family

Trimeroceratidae Hyatt, 1900

Selection of related publications

Vinn, O., El Hedeny, M., Alkahtane, A. A., Alfarraj, S. 2025. Early cryptic microconchids and other invertebrates in empty nautiloid shells from the Silurian of Saaremaa Island, Estonia. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 314, 3, 321-327. DOI:10.1127/njgpa/1258

Jacobson, M. 1999. Five new cephalopod species from the Silurian of Gotland. Examensarbeite i geologi vid Lunds Universitet 108, 1-18.

Stridsberg, S. 1985. Silurian oncocerid cephalopods from Gotland. Fossils and Strata 18, 1-65.

List of species

1. Clathroceras plicatum Stridsberg, 1985 | Ludlow

2. Inversoceras perversum (Barrande, 1865)

3. Jeppssonoceras concentratum Stridsberg, 1985 | Ludlow

4. Patagiumoceras crebristriatum Jacobson, 1999 | Wenlock

5. Patagiumoceras urnulum Jacobson, 1999 | Wenlock

6. Pentameroceras facula Stridsberg, 1985 | Wenlock→Ludlow

7. Pentameroceras mirum (Barrande, 1865) | Ludlow→Wenlock

8. Pentameroceras nondum Jacobson, 1999 | Wenlock

9. Pentameroceras tibia Jacobson, 1999 | Wenlock

10. Plemeroceras cassis Stridsberg, 1985 | Ludlow

11. Simonssonoceras triangulum Jacobson, 1999 | Wenlock

12. Trimeroceras bulbosum Stridsberg, 1985 | Wenlock

13. Trimeroceras cylindricum (Barrande, 1865) | Ludlow

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Klassificering

Organism group	Biota
Kingdom	Animalia
Phylum	Mollusca
Class	Cephalopoda
Subclass	Multiceratoidea
Order	Oncocerida
Suborder	Polyelasmoceratidae
Family	Acleistoceratidae
	Diestoceratidae
	Graciloceratidae
	Hemiphragmoceratidae
	Jovellaniidae
	Karoceratidae
	Oncoceratidae
	Phtanoncoceratidae
	Trimeroceratidae
Genus	Clathroceras
	Inversoceras
	Jeppssonoceras
	Patagiumoceras
	Pentameroceras
	Plemeroceras
	Simonssonoceras
	Trimeroceras
Family	Valcouroceratidae