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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
Eoderocerataceae (Eoderoceratoidea)
Polymorphitidae
Polymorphitinae

Gemmellaroceras (23839143)

Children (8 direct children, 8 direct and indirect children):

Gemmellaroceras alloplocum

Gemmellaroceras granuliferum

Gemmellaroceras involutum

Gemmellaroceras pseudocarinatum

Gemmellaroceras gemmellaroi

Gemmellaroceras aenigmaticum

Gemmellaroceras subtilicostatum

Gemmellaroceras mazzettii