cephalaspid

cephalaspid
ceph·a·las·pid

English syllables. 2014.

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  • cephalaspid — noun extinct jawless fish of the Devonian with armored head • Syn: ↑osteostracan • Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan • Member Holonyms: ↑Osteostraci, ↑ …   Useful english dictionary

  • Undichna — Taxobox color = #e0d0b0 name = Undichna image width = 240px image caption = fossil range = Silurian ? regnum = Animalia phylum = Chordata genus = Undichna (Ichnogenus) subdivision ranks = Species (Ichnospecies) subdivision = * Undichna bina… …   Wikipedia

  • osteostracan — noun extinct jawless fish of the Devonian with armored head • Syn: ↑cephalaspid • Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan • Member Holonyms: ↑Osteostraci, ↑ …   Useful english dictionary

  • Hemicyclaspis — Taxobox name = Hemicyclaspis fossil range = Early Devonian regnum = Animalia phylum = Chordata classis = Agnatha ordo = Cephalaspidomorphi genus = Hemicyclaspis Hemicyclaspis is an extinct genus of primitive jawless fish, closely related to… …   Wikipedia

  • agnathan — noun eel shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms • Syn: ↑jawless vertebrate, ↑jawless fish • Hypernyms: ↑aquatic vertebrate • Hyponyms: ↑ostracoderm, ↑ …   Useful english dictionary

  • Cephalaspida — noun extinct group of armored fish like vertebrates; taxonomy is not clear • Syn: ↑Osteostraci, ↑suborder Osteostraci, ↑suborder Cephalaspida • Hypernyms: ↑animal order • Member Holonyms: ↑Ostracodermi, ↑ …   Useful english dictionary

  • jawless fish — noun eel shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms • Syn: ↑jawless vertebrate, ↑agnathan • Hypernyms: ↑aquatic vertebrate • Hyponyms: ↑ostracoderm, ↑ …   Useful english dictionary

  • jawless vertebrate — noun eel shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms • Syn: ↑jawless fish, ↑agnathan • Hypernyms: ↑aquatic vertebrate • Hyponyms: ↑ostracoderm, ↑heterostrac …   Useful english dictionary

  • Osteostraci — noun extinct group of armored fish like vertebrates; taxonomy is not clear • Syn: ↑suborder Osteostraci, ↑Cephalaspida, ↑suborder Cephalaspida • Hypernyms: ↑animal order • Member Holonyms: ↑Ostracodermi, ↑ …   Useful english dictionary

  • suborder Cephalaspida — noun extinct group of armored fish like vertebrates; taxonomy is not clear • Syn: ↑Osteostraci, ↑suborder Osteostraci, ↑Cephalaspida • Hypernyms: ↑animal order • Member Holonyms: ↑Ostracodermi, ↑ …   Useful english dictionary

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