Spirulida
Order of cephalopods
From Wikipedia, the free encyclopedia
Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa.
| Spirulida Temporal range: | |
|---|---|
| |
| Spirula spirula | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Superorder: | Decapodiformes |
| Order: | Spirulida Stolley, 1919 |
| Suborders | |
|
†Groenlandibelina | |
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