Sepiola atlantica, copyright Mick Otten.

Belongs within: Coleoidea.

The Sepiolidae, bobtail squid, are a group of small (1–10 cm long) cephalopods with a broad body, round posterior mantle and ear-like fins. They bear a funnel locking-apparatus with a single depression (Young 1996).

<==Sepiolidae MG-H11
    |--Heteroteuthis hawaiiensis GO06
    `--+--Rossia palpebrosa GO06
       `--Sepiola GO06
            |--S. affinis GO06
            |--S. atlantica NN03
            |--S. birostrata V62
            |--S. intermedia NN03
            |--S. ligulata NN03
            |--S. robusta NN03
            |--S. rondeleti NN03
            `--S. trirostrata Voss 1962 V62

Sepiolidae incertae sedis:
  Euprymna MG-H11
    |--E. albatrossae Voss 1962 V62
    |--E. berryi NN03
    |--E. hyllebergi NN03
    |--E. morsei NN03
    |--E. phenax Voss 1962 V62
    |--E. scolopes DH08
    `--E. tasmanica (Pfeffer 1884) MG-H11
  Austrorossia australis (Berry 1918) MG-H11
  Rondeletiola minor MG-H11, NN03
  Sepiolina nipponensis (Berry 1911) MG-H11

*Type species of generic name indicated


[DH08] Dunn, C. W., A. Hejnol, D. Q. Matus, K. Pang, W. E. Browne, S. A. Smith, E. Seaver, G. W. Rouse, M. Obst, G. D. Edgecombe, M. V. Sørensen, S. H. D. Haddock, A. Schmidt-Rhaesa, A. Okusu, R. M. Kristensen, W. C. Wheeler, M. Q. Martindale & G. Giribet. 2008. Broad phylogenomic sampling improves resolution of the animal tree of life. Nature 452: 745–749.

[GO06] Giribet, G., A. Okusu, A. R. Lindgren, S. W. Huff, M. Schrödl & M. K. Nishiguchi. 2006. Evidence for a clade composed of molluscs with serially repeated structures: monoplacophorans are related to chitons. Proceedings of the National Academy of Sciences of the USA 103 (20): 7723–7728.

[MG-H11] McEnnulty, F. R., K. L. Gowlett-Holmes, A. Williams, F. Althaus, J. Fromont, G. C. B. Poore, T. D. O’Hara, L. Marsh, P. Kott, S. Slack-Smith, P. Alderslade & M. V. Kitahara. 2011. The deepwater megabenthic invertebrates on the western continental margin of Australia (100–1100 m depths): composition, distribution and novelty. Records of the Western Australian Museum Supplement 80: 1–191.

[NN03] Nishiguchi, M. K., & V. S. Nair. 2003. Evolution of symbiosis in the Vibrionaceae: a combined approach using molecules and physiology. International Journal of Systematic and Evolutionary Microbiology 53: 2019–2026.

[V62] Voss, G. L. 1962. Six new species and two new subspecies of cephalopods from the Philippine Islands. Proceedings of the Biological Society of Washington 75: 169–176.

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