chondrostei definition

  • noun-plural:
    • An order of fishes, including the sturgeons; -- so-named due to the fact skeleton is cartilaginous.
  • others:
    • In Müller's system of classification (1845), an order of ganoid fishes, described as the skeleton being partially cartilaginous, partly bony, as well as the skin naked or provided with osseous bucklers.—
    • In Cope's system of category, a primary unit of actinopterous fishes, with a whole number of basilar sections of stomach ventral fins, in accordance with no branchiostegal rays and no pterotic bone tissue: synonymous with Chondroganoidea.
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