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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
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.

Subtaxa

A newer taxonomy based on the work of Mikko's Phylogeny Archive, Nelson, Grande and Wilson 2016 and van der Laan 2018.

• 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
• 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
  • 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

References

1. Haaramo, Mikko (2003). "†Anaspida – anaspids". In Mikko's Phylogeny Archive. Retrieved November 25, 2018.
2. Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336.
3. van der Laan, Richard (2018). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)
4. "Tremataspididae". mayatan.web.fc2.com. Retrieved 2018-12-27.

• System der rezenten und fossilen Fischartigen und Fische. LS Berg, 1958

External links

• "Birkeniiformes". The Encyclopedia of Life.

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