Heterostraci

Heterostraci
noun
extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear
• Hypernyms: ↑animal order
• Member Holonyms: ↑Ostracodermi, ↑order Ostracodermi
• Member Meronyms: ↑heterostracan

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\\ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷strəˌsī\ noun plural
Usage: capitalized
Etymology: New Latin, from heter- + Greek ostrakon shell, potsherd — more at ostracon
: a class or other division of ostracoderms with widely separated nares and eyes and with an exoskeleton which may consist of a few large plates or numerous placoid scales

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Heterostraci — Pteraspidomorphi Pteraspis (Heterostraci), Zeichnung von Joseph Smit, aus Nebula to Man, 1905 England Zeitraum Unteres Ordovizium bis Oberdevon 470 bis 370 …   Deutsch Wikipedia

  • Heterostraci — Hétérostracés Heterostraci …   Wikipédia en Français

  • Heterostraci — Taxobox name = Heterostraci image caption = Drepanaspis gemuendenensis , accompanied by the placoderm Tiaraspis subtilis fossil range = Silurian Devonian |regnum = Animalia phylum = Chordata classis = Heterostraci subdivision ranks = Orders… …   Wikipedia

  • Heterostraci —   Heterostraci Rango temporal: Silúrico Devónico …   Wikipedia Español

  • heterostraci — het·er·os·tra·ci …   English syllables

  • suborder Heterostraci — noun extinct group of armored jawless fishes or fish like vertebrate; taxonomy is not clear • Syn: ↑Heterostraci • Hypernyms: ↑animal order • Member Holonyms: ↑Ostracodermi, ↑order Ostracodermi • …   Useful english dictionary

  • Arandaspida — Pteraspidomorphi Pteraspis (Heterostraci), Zeichnung von Joseph Smit, aus Nebula to Man, 1905 England Zeitraum Unteres Ordovizium bis Oberdevon 470 bis 370 …   Deutsch Wikipedia

  • Arandaspidida — Pteraspidomorphi Pteraspis (Heterostraci), Zeichnung von Joseph Smit, aus Nebula to Man, 1905 England Zeitraum Unteres Ordovizium bis Oberdevon 470 bis 370 …   Deutsch Wikipedia

  • Astraspida — Pteraspidomorphi Pteraspis (Heterostraci), Zeichnung von Joseph Smit, aus Nebula to Man, 1905 England Zeitraum Unteres Ordovizium bis Oberdevon 470 bis 370 …   Deutsch Wikipedia

  • Astraspidida — Pteraspidomorphi Pteraspis (Heterostraci), Zeichnung von Joseph Smit, aus Nebula to Man, 1905 England Zeitraum Unteres Ordovizium bis Oberdevon 470 bis 370 …   Deutsch Wikipedia

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