Spirulida
Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa.
| Spirulida | |
|---|---|
 | |
| 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
- 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
gollark: Since occasionally I do need actual fairly secure things.
gollark: I design a lot of random secure-ish systems on top of it, like SPUDNET and SGNS.
gollark: Well, sure.
gollark: So unless I bother to write a PR for anonymized GPS, people who don't go to the extra effort of writing their own implementation (as far as I'm aware nobody does so far) will be trackable by ID.
gollark: Computers could certainly not send their ID with every ping, but as of now they, well, do send it.
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.
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