Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • proper noun obsolete Bivalia.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

New Latin, from Ancient Greek  (akephala, "headless"). See Acephal

Examples

  • In the letter above quoted, he even named the species he expected to find most prevalent in those greater depths: as, for instance, representatives of the older forms of Ganoids and Selachians; Cephalopods, resembling the more ancient chambered shells; Gasteropods, recalling the tertiary and cretaceous types; and Acephala, resembling those of the jurassic and cretaceous formations.

    Louis Agassiz His Life and Correspondence

  • In the letter above quoted, he even named the species he expected to find most prevalent in those greater depths: as, for instance, representatives of the older forms of Ganoids and Selachians; Cephalopods, resembling the more ancient chambered shells; Gasteropods, recalling the tertiary and cretaceous types; and Acephala, resembling those of the jurassic and cretaceous formations.

    Louis Agassiz: His Life and Correspondence

  • Among the Acephala are to be named a large _Cardium_, also found on the

    A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2

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