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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Mollusca (Molluscs)
Cephalopod (Cephalopods)
Ammonoidea (Ammonoids)
Ammonitida
Ammonitina
Perisphinctoidea
Aspidoceratidae
Aspidoceratinae

Arcaspidoceras (23839380)

Children (5 direct children, 5 direct and indirect children):

Arcaspidoceras frickense

Arcaspidoceras spathi

Arcaspidoceras paucicostatum

Arcaspidoceras freii

Arcaspidoceras arkelli