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Nototodarus Pfeffer 1912

Richard E. Young and Michael Vecchione This tree diagram shows the relationships between several groups of organisms. 

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Containing group: Todarodinae


Members of Nototodarus are demersal squid found sitting on or swimming near the ocean floor on continental or island shelves and slopes. The three recognized species are found only in the Indo-Pacific region.

Brief diagnosis:

A member of the Todarodinae with ...



The hectocotylization of both arms IV is shared with Todaropsis but the latter lacks a foveola in the funnel groove.

Comparison of species

The three species of Nototodarus differ by the number of suckers on arms I (over 120 suckers in N. sloanii, 56-100 in N. gouldi, less than 60 in N. hawaiiensis) and  the morphology of the distal third of the hectocotylized right arm IV. Figure. Side views of the hectocotylized right arm IV of Nototodarus species. Drawing modified from Dunning and Förch (1998).


N. gouldi is known from continental shelf waters of Australia south of 27°S and off the northern and central coasts of New Zealand; N. sloanii is known from southern waters off New Zealand; N. Hawaiiensis has an insular distribution around various islands and seamounts in the tropical to subtropical waters of the Indo-Pacific region (Dunning and Förch, 1998).


Dunning, M. C. and E. C. F?rch. 1998. A review of the systematics, istribution, and biology of arrow squids of the genus Nototodarus Pfefer, 1912 (Cephalopoda: Ommastrephidae). Smithsonian Contributions to Zoology, No. 586: 393-404.

Title Illustrations About This Page

Richard E. Young University of Hawaii, Honolulu, HI, USA 

Page copyright © 2009 Richard E. Young and 

Citing this page:

Young, Richard E. and Michael Vecchione. 2009. Nototodarus Pfeffer 1912. Version 29 November 2009 (under construction). http://tolweb.org/Nototodarus/19938/2009.11.29 in The Tree of Life Web Project, http://tolweb.org/ This page is a Tree of Life Branch Page.




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