From Wikipedia, the free encyclopedia
Order of cephalopods
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
- Order Spirulida
- ?Family †
Shimanskyidae
- Suborder †Groenlandibelina Khromov, 1990
- Suborder †Belopterina Engeser, 1998
- Suborder Spirulina Pompeckj, 1912
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.