go to the Tree of Life home page
advanced
Under Construction
This is an archived version of a Tree of Life page. For up-to-date information, please refer to the current version of this page.

Berryteuthis Naef, 1921

Richard E. Young, Michael Vecchione, and Tsunemi Kubodera
The genus consists of two species, one of which (B. magister) is believed to consist of two subspecies.
taxon links [down<--]Gonatidae Interpreting the tree
close box

This tree diagram shows the relationships between several groups of organisms.

The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of Life. The basal branching point in the tree represents the ancestor of the other groups in the tree. This ancestor diversified over time into several descendent subgroups, which are represented as internal nodes and terminal taxa to the right.

example of a tree diagram

You can click on the root to travel down the Tree of Life all the way to the root of all Life, and you can click on the names of descendent subgroups to travel up the Tree of Life all the way to individual species.

For more information on ToL tree formatting, please see Interpreting the Tree or Classification. To learn more about phylogenetic trees, please visit our Phylogenetic Biology pages.

close box
Containing group: Gonatidae

Introduction

Diagnosis

A gonatid ...

Characteristics

  1. Arms
    1. Armature of the arms differs greatly between species.

  2. Tentacles
    1. Tentacles present in subadults.
    2. Tentacular clubs without hooks.
    3. Suckers of tentacular club in numerous irregular series; suckers about equal in size.
    4. Proximal locking-apparatus of club a series of knobs and suckers along dorsal margin of manus.
      image info

      Figure. Oral view of tentacular club of B. anonychus. Red dots along the dorsal margin of the manus and stalk are knobs of the proximal locking-apparatus. Drawing modified from Pearcy and Voss (1963).

  3. Head
    1. Radula with teeth in 5 series.
      image info

      Figure. View of the radula of B. anonychus. Drawing modified from Pearcy and Voss (1963).

  4. Mantle
    1. Mantle tissue muscular.

  5. Fins
    1. Fins rhomboid in shape; not drawn out into a tail.

  6. Photophores
    1. Photophores absent.
Title Illustrations
Scientific Name Berryteuthis anonychus
Location North Pacific
Reference Pearcy, W. G. and G. L. Voss. 1963. A new species of gonatid squid from the Northeastern Pacific. Proc. Biol. Soc. Wash., 76: 105-112.
View Dorsal, ventral
Size ca. 70 mm ML
Copyright © 2004 Proc. Biol. Soc. Wash.
About This Page

Richard E. Young

Dept of Oceanography
University of Hawaii
Honolulu, Hawaii 96822
USA



National Marine Fisheries Service
Systematics Laboratory
National Museum of Natural History
Washington, D. C. 20560
USA

Tsunemi Kubodera

National Science Museum, Tokyo, Department of Zoology 3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo, 169 JAPAN

Citing this page:

Young, Richard E., Vecchione, Michael, and Kubodera, Tsunemi. 2004. Berryteuthis Naef, 1921. Version 25 October 2004 (under construction). http://tolweb.org/Berryteuthis/19765/2004.10.25 in The Tree of Life Web Project, http://tolweb.org/

close box

This page is a Tree of Life Branch Page.

Each ToL branch page provides a synopsis of the characteristics of a group of organisms representing a branch of the Tree of Life. The major distinction between a branch and a leaf of the Tree of Life is that each branch can be further subdivided into descendent branches, that is, subgroups representing distinct genetic lineages.

For a more detailed explanation of the different ToL page types, have a look at the Structure of the Tree of Life page.

close box

Berryteuthis

Page Content

Articles

Treehouses

Explore Other Groups

random page

top