Birkeniiformes

Birkeniiformes
Temporal range:
Reconstruction of the anaspid agnathan Pterygolepis nitida, of Late Silurian Europe
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: †Anaspida
Order: †Birkeniiformes
Berg, 1940
Families
  • †Pharyngolepididae
  • †Pterygolepididae
  • †Rhyncholepididae
  • †Tahulalepididae
  • †Lasaniidae
  • †Ramsaasalepididae
  • †Birkeniidae
  • †Septentrioniidae
Synonyms
  • Anaspidiformes
  • Birkeniida Berg 1937
  • Lasaniiformes Berg 1940
  • Lasaniida
  • Lasanioidei Fowler 1947
  • Barycnemata
  • Oligocnemata

Birkeniiformes (Birkeniida or Birkeniids) is an extinct order of jawless fish belonging to the class Anaspida.

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