anaspid

noun
extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian
Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan
Member Holonyms: ↑Anaspida, ↑order Anaspida

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\\əˈnaspə̇d\ noun (-s)
Etymology: New Latin Anaspida
: one of the Anaspida

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/euh nas"pid/, n. Paleontol.
any member of an extinct order, Anaspida, of small, freshwater jawless fishes of the Silurian and Devonian periods, characterized by a single nostril, narrow rows of scales, and, usually, an armor-plated head.
[ < NL Anaspida name of the order, equiv. to an- AN-3 + Gk aspid- (s. of aspís shield) + -a neut. pl. n. ending]

Useful english dictionary. 2012.

Look at other dictionaries:

  • anaspid — /euh nas pid/, n. Paleontol. any member of an extinct order, Anaspida, of small, freshwater jawless fishes of the Silurian and Devonian periods, characterized by a single nostril, narrow rows of scales, and, usually, an armor plated head. [ < NL… …   Universalium

  • anaspid — an·as·pid …   English syllables

  • Анаспиды — ? † Анаспиды Pharyngolepis (сверху) и Rhyncholepis (снизу). Крас …   Википедия

  • Jamoytius kerwoodi — Taxobox fossil range = Silurian regnum = Animalia phylum = Chordata classis = Hyperoartia or Anaspida genus = Jamoytius species = Jamoytius kerwoodi species authority=White 1946cite journal author = White, E.I. year = 1946 title = Jamoytius… …   Wikipedia

  • Anaspididae — Taxobox name = Anaspididae regnum = Animalia phylum = Arthropoda subphylum = Crustacea classis = Malacostraca superordo = Syncarida ordo = Anaspidacea ordo authority = Calman, 1904 familia = Anaspididae familia authority = Thomson,… …   Wikipedia

  • Anaspida —  Ne doit pas être confondu avec Anapsida. Anaspides …   Wikipédia en Français

  • Anaspides — Anaspida  Ne doit pas être confondu avec Anapsida …   Wikipédia en Français

  • Birkenia — Taxobox name = Birkenia status = fossil image caption = Birkenia elegans fossil range = Late Silurian Early Devonian regnum = Animalia phylum = Chordata classis = Anaspida genus = Birkenia species = Birkenia elegans Birkenia is a genus of extinct …   Wikipedia

  • fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

  • Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

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