Overview

Brief Summary

Argonauta cornuta

Argonauta cornuta is a species of pelagic octopus belonging to the genus Argonauta. The female of the species, like allargonauts, creates a paper-thin eggcase that coils around the octopus much like the way a nautilus lives in its shell (hence the name paper nautilus). The shell is usually approximately 80 mm in length, although it can exceed 90 mm in exceptional specimens; the world record size is 98.6 mm.[1]

This species seems to have a relatively limited distribution confined to the waters surrounding Western Mexico and Baja California. For this reason, it is considered one of the rarest of the Argonauta species.

The taxonomic status of this species is questionable. Further research is needed to determine whether it is a valid species or a synonym of the highly variable A. hians.

The type locality of A. cornuta is unknown. The type specimen is deposited at the Academy of Natural Sciences inPhiladelphia.[2]

  • ^ Pisor, D. L. (2005). Registry of World Record Size Shells (4th edition ed.). Snail's Pace Productions and ConchBooks. p. 12.
  • ^ Current Classification of Recent Cephalopoda
  • Sweeney, M. J. (2002). Taxa Associated with the Family Argonautidae Tryon, 1879. Tree of Life web project.
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Physical Description

Type Information

Holotype for Argonauta expansa Dall, 1872
Catalog Number: USNM 61368
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Dry
Locality: Mexico, Gulf of California, North Pacific Ocean
  • Holotype: Dall, W. H. 1872. Proc. Calif. Acad. Sci. pg. 2 (preprint).
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© Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology

Source: National Museum of Natural History Collections

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Ecology

Habitat

Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 91 - 91
 
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Wikipedia

Argonauta cornuta

Argonauta cornuta is a species of pelagic octopus belonging to the genus Argonauta. The female of the species, like all argonauts, creates a paper-thin eggcase that coils around the octopus much like the way a nautilus lives in its shell (hence the name paper nautilus). The shell is usually approximately 80 mm in length, although it can exceed 90 mm in exceptional specimens; the world record size is 98.6 mm.[1]

This species seems to have a relatively limited distribution confined to the waters surrounding Western Mexico and Baja California. For this reason, it is considered one of the rarest of the Argonauta species.

The taxonomic status of this species is questionable. Further research is needed to determine whether it is a valid species or a synonym of the highly variable A. hians.

The type locality of A. cornuta is unknown. The type specimen is deposited at the Academy of Natural Sciences in Philadelphia.[2]

References[edit]

  1. ^ Pisor, D. L. (2005). Registry of World Record Size Shells (4th ed.). Snail's Pace Productions and ConchBooks. p. 12. 
  2. ^ Current Classification of Recent Cephalopoda
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Source: Wikipedia

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