Spirulida
| Spirulida Temporal range:  
 | |
|---|---|
 
 | |
| Spirula spirula | |
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Cephalopoda | 
| Superorder: | Decapodiformes | 
| Order: | Stolley, 1919  | 
| Suborders | |
| 
 †Groenlandibelina  | |
Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa.
Fossil record
- Oldest representative: Carboniferous, though contested: see Shimanskya
 - Oldest uncontested representative: Late Jurassic[1]
 
Classification
Taxa marked with † are extinct.
- Order Spirulida
- Family †Shimanskyidae
 
- Suborder †Groenlandibelina Khromov, 1990
- Family †Groenlandibelidae
 - Family †Adygeyidae
 
 - Suborder †Belopterina Engeser, 1998
- Family †Belemnoseidae
 - Family †Belopteridae
 
 - Suborder Spirulina Pompeckj, 1912
- Family †Spirulirostridae
 - Family †Spirulirostrinidae
 - Family Spirulidae
 
 
 
References
- ^ Fuchs, Dirk; Keupp, Helmut; Trask, PAT; Tanabe, Kazushige (2012). "Taxonomy, morphology and phylogeny of Late Cretaceous spirulid coleoids (Cephalopoda) from Greenland and Canada". Palaeontology. 55 (2): 285. doi:10.1111/j.1475-4983.2011.01125.x.
 
