| Tirnovella Temporal range:
| |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Neocomitidae |
| Subfamily: | †Berriasellinae |
| Subgenus: | †Tirnovella Nikolov, 1966 |
| Type species | |
| †Tirnovella alpillensis Mazenot, 1939
| |
| Species[1] | |
Tirnovella is an extinct subgenus of ammonoid cephalopod, from the early Cretaceous.[2]
- ^ Zakharov, Viktor A.; Bown, Paul; Rawson, Peter F. (1996). "The Berriasian Stage and the Jurassic-Cretaceous boundary" (PDF). biblio.naturalsciences.be. Royal Belgian Institute of Natural Sciences. Retrieved 17 November 2022.
- ^ Nikolov, Todor (January 1966). "New genera and subgenera of ammonites of family Berriasellidae". Doklady Bolgarskoi akademii nauk. 19 (7): 639–642. Retrieved 17 November 2022.