Anaspidomorphi (anaspidomorphs) is an extinct superclass of jawless fish. According to the newer taxonomy based on the work of Nelson, Grande and Wilson 2016 and van der Laan 2018, the phylogeny of Anaspidomorphi looks like this: * Superclass †Anaspidomorphi ** Order †

Euphanerida Euphaneropidae is an extinct family of prehistoric jawless fishes in the extinct order Euphanerida. These fishes are characterised by a greatly elongated branchial apparatus which covers most of the length of the body. Fossils are known from the ...

*** Family †

Euphaneropidae Euphaneropidae is an extinct family of prehistoric jawless fishes in the extinct order Euphanerida. These fishes are characterised by a greatly elongated branchial apparatus which covers most of the length of the body. Fossils are known from the ...

Woodward 1900 ** Order †

Jamoytiiformes Jamoytiiformes is an extinct order of prehistoric jawless fish in the superclass Anaspidomorphi. Taxonomy Taxonomy is based on Mikko's Phylogeny Archive * Family † Achanarellidae Newman 2002 ** Genus †'' Achanarella'' Newman 2002 'Achanare ...

Halstead-Tarlo 1967 *** Family † Achanarellidae Newman 2002 *** Family † Jamoytiidae White 1946 ** Class †

Anaspida Anaspida ("without shield") is an extinct group of primitive jawless vertebrates that lived primarily during the Silurian period, and became extinct soon after the start of the Devonian. They were classically regarded as the ancestors of lampre ...

Janvier 1996 non Williston 1917 *** Order †

Endeiolepidiformes ''Endeiolepis'' is an extinct jawless fish that lived during the Late Devonian period, similar to that of extant lampreys Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order ...

Berg 1940 **** Family †

Endeiolepididae ''Endeiolepis'' is an extinct jawless fish that lived during the Late Devonian period, similar to that of extant lampreys Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the orde ...

Stensio 1939 *** Order †

Birkeniiformes 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. * Ge ...

Stensiö 1964 **** Family †

Pharyngolepididae ''Pharyngolepis'' is an extinct genus of primitive jawless fish that lived in the Silurian period of what is now Norway. ''Pharyngolepis'' had well-developed anal and caudal fins, but no paired or dorsal fins that would have helped stabilise ...

Kiær 1924 **** Family †

Pterygolepididae ''Pterygolepis'' is an extinct genus of jawless fish belonging to the order Birkeniiformes Birkeniiformes (Birkeniida or Birkeniids) is an extinct order of jawless fish belonging to the class Anaspida. Subtaxa A newer taxonomy based on th ...

Obručhev 1964 **** Family †

Rhyncholepididae ''Rhyncholepis'' is an extinct genus of anaspida from the Late Silurian. It was 26 cm long. Fossils have been found in southern Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainla ...

Kiær 1924 **** Family †

Tahulalepididae Tahulalepididae is an extinct family of jawless fish belonging to the order Birkeniiformes Birkeniiformes (Birkeniida or Birkeniids) is an extinct order of jawless fish belonging to the class Anaspida. Subtaxa A newer taxonomy based on the ...

Blom, Märss & Miller 2002 **** Family †

Lasaniidae ''Lasanius'' is a genus of basal anaspida from the Early Silurian. Its fossils are around 10 mm to 150 mm in length. Fossils have been found in Early Silurian-aged strata in Ayrshire, Muirkirk, Scotland Scotland (, ) is a cou ...

Goodrich 1909 **** Family †

Ramsaasalepididae ''Ramsaasalepis'' is an extinct genus of jawless fish. Its the type and only genus of the family Ramsaasalepididae, and contains the single species ''Ramsaasalepis porosa''. References External links * Birkeniiformes genera Fossil taxa ...

Blom, Märss & Miller 2003 **** Family †

Birkeniidae Birkeniidae is an extinct family of jawless fish belonging to the order Birkeniiformes Birkeniiformes (Birkeniida or Birkeniids) is an extinct order of jawless fish belonging to the class Anaspida. Subtaxa A newer taxonomy based on the work ...

Traquair 1899 **** Family †

Septentrioniidae Septentrioniidae is an extinct family of jawless fish belonging to the order Birkeniiformes Birkeniiformes (Birkeniida or Birkeniids) is an extinct order of jawless fish belonging to the class Anaspida. Subtaxa A newer taxonomy based on the ...

Blom, Märss & Miller 2002

References

External links

Anaspidomorphi
at comenius.susqu.edu Superclasses (biology) {{paleo-jawless-fish-stub