Achanarella trewini

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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: †Jamoytiiformes
Familia: †Achanarellidae
Genus: †Achanarella

Species: †Achanarella trewini


Achanarella trewini Newman, 2002

  • Holotype: NEWHM 1999.H1801.1, complete, relatively large individual on a slab with various other individuals.

Type locality and horizon: Achanarras fish bed, Achanarras Quarry, Caithness, Scotland. Mid Devonian, Eifelian.

Etymology: Named after Dr. Nigel Trewin who has done much during the last 25 years to promote the faunal assemblage at Achanarras Quarry.


  • Newman, M.J. 2002. A new naked jawless vertebrate from from the Middle Devonian of Scotland. Palaeontology 45(4): 933–941.PDF Reference page