Birkeniiformes
edit
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Superclassis/Ordo: †Anaspida
Ordo: †Birkeniiformes
Familiae:
†Birkeniidae -
†Pharyngolepididae -
†Pterygolepididae -
†Rhyncholepididae -
†Ramsaasalepididae -
†Septentrioniidae -
†Tahulalepididae
Genera inc. sedis:
†Cowielepis –
†Ruhnulepis –
†Trimpleylepis
Name edit
†Birkeniida Berg, 1937
References edit
- Blom, Henning, 2008; "A new anaspid fish from the middle Silurian Cowie Harbour fish bed of Stonehaven, Scotland" Journal of Vertebrate Paleontology 28(3):594–600