Ink-fish is ocean cephalopods of the order Teuthida, which comprises around 300 speshie. Like other cephalopods, ink-fish has a distinct heid, bilateral symmetry, a mantle, and airms. Ink-fish, like cuttlefish, has echt airms and two tentacles arrangt in pairs. (The anely kent exception is the bigfin ink-fish group, which has ten gey lang, thin airms of equal lenth.)

Temporal range: Early Devonian – Recent[1]
Caribbean reef squid ("Sepioteuthis sepioidea")
Caribbean reef squid (Sepioteuthis sepioidea)
Scientific classification e
Kinrick: Animalia
Phylum: Mollusca
Cless: Cephalopoda
Subcless: Coleoidea
Cohort: Neocoleoidea
Superorder: Decapodiformes
Leach, 1817[2]


  1. see Boletzkyida, Belemnite
  2. Young, R. E., Vecchione, M., Mangold, K. M. (2008). Decapodiformes Leach, 1817. Squids, cuttlefishes and their relatives. in The Tree of Life Web Project
  3. MolluscaBase (2019). Decapodiformes. Accessed through: World Register of Marine Species at: on 2019-02-11