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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
Desmoceratoidea (Desmocerataceae)
Holcodiscidae

Spitidiscus (12267669)

Children (4 direct children, 4 direct and indirect children):

Spitidiscus riccardii

Spitidiscus kilapiae

Spitidiscus oregonensis

Spitidiscus simitiensis