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

Quick Facts Scientific classification, Families ...

Birkeniiformes Temporal range: 443.4–423 Ma PreꞒ Ꞓ O S D C P T J K Pg N
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

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A newer taxonomy based on the work of Mikko's Phylogeny Archive,^[1] Nelson, Grande and Wilson 2016^[2] and van der Laan 2018.^[3][4]

• Genus †Cowielepis Blom 2008
• Genus †Hoburgilepis Blom, Märss & Miller 2002
• Genus †Kerreralepis Blom 2012
• Genus †Maurylepis Blom, Märss & Miller 2002
• Genus †Rytidolepis Pander 1856
• Genus †Schidiosteus Pander 1856
• Genus †Silmalepis Blom, Märss & Miller 2002
• Genus †Vesikulepis Blom, Märss & Miller 2002
• Family †Pharyngolepididae Kiær 1924 corrig.
  • Genus †Pharyngolepis Kiaer 1911
• Family †Pterygolepididae Obručhev 1964 corrig.
  • Genus †Pterygolepis Cossmann 1920 [Pterolepis Kiaer 1911 non Rambur 1838 non De Candolle ex Miquel 1840; Pterolepidops Fowler 1947]
• Family †Rhyncholepididae Kiær 1924 corrig.
  • Genus †Rhyncholepis Kiær 1911 non Miquel 1843 non Nuttall 1841
• Family †Tahulalepididae Blom, Märss & Miller 2002
  • Genus †Tahulalepis Blom, Märss & Miller 2002
  • Genus †Trimpleylepis Miller, Märss & Blom 2004
• Family †Lasaniidae Goodrich 1909
  • Genus †Lasanius Traquair 1898
• Family †Ramsaasalepididae Blom, Märss & Miller 2003
  • Genus †Ramsaasalepis Blom, Märss & Miller 2003
• Family †Birkeniidae Traquair 1899
  • Genus ?†Vilkitskilepis Märss 2002
  • Genus †Ctenopleuron Matthew 1907
  • Genus †Saarolepis Robertson 1945 [Anaspis Robertson 1941 non Geoffroy 1762 non Thomson 1893]
  • Genus †Birkenia Traquair 1898
• Family †Septentrioniidae Blom, Märss & Miller 2002
  • Genus †Liivilepis Blom, Märss & Miller 2002
  • Genus †Manbrookia Blom, Märss & Miller 2002
  • Genus †Ruhnulepis Blom, Märss & Miller 2002
  • Genus †Spokoinolepis Blom, Märss & Miller 2002
  • Genus †Septentrionia Blom, Märss & Miller 2002