Barlowodus tridens

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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Classis: †Thelodonti
Order: †Thelodontiformes
Family: †Barlowodidae
Genus: †Barlowodus
Species: †Barlowodus tridens


Barlowodus tridens Märss, Wilson et Thorsteinsson, 2002

  • Holotype: UALVP 44700, scale.
  • Type locality and horizon: At 34.5 m, southern Read Bay section, east coast of cornwallis Island; upper part of Barlow Inlet Formation, Lower Lochkovian, Lower Devonian.

Etymology: From the Latin tridens, meaning three-toothed, a reference to crown terminating posteriorly in three pointed ridges.


  • Märss, T., Wilson, M.V.H. & Thorsteinsson, R., 2002: New thelodont (Agnatha) and possible chondrichthyan (Gnathostomata) taxa established in the Silurian and Lower Devonian of the Canadian Arctic Archipelago. Proceedings of the Estonian Academy of Sciences, Geology 51 (2): 88–120. Reference page