Under Construction Coleoidea Bather, 1888 Octopods, squids, cuttlefishes and their relatives Richard E. Young, Michael Vecchione, and Katharina M. Mangold (1922-2003) The Coleoidea contains all living cephalopods except for species of pearly nautilus. - Belemnoidea Neocoleoidea Leach, 1817 (squids, cuttlefishes and their relatives) Octopodiformes Berthold and Engeser, 1987 (vampire squid and octopods)
Information on FOSSIL neocoleoids can be found under Octopodiformes Containing group: Cephalopoda Introduction The Coleoidea contains two subdivisions. One, the Belemnoidea, had members that were common inhabitants of neritic waters during the Cretaceous but became extinct and the end of this Period. Figure Left - Side view of a fossil belemnoid " Acanthoteuthis " from Solenhofen, Germany and in the collection of the U. S. National Museum of Natural History. The equal arms are lined with hooks as is characteristic of this group. Right - Fossil hooks of Belemnoteuthis (?) from Lyme Regis, Dorsetshire, England and in the collection of the U. S. National Museum of Natural History. The shape of the hooks is seen along with the way they may have lined up on the arm. Photographs by R. Young. | |
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