Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.

Ancestral taxa
Domain: Eukaryota /displayed  [Taxonomy; edit]
Clade: Amorphea  [Taxonomy; edit]
Clade: Obazoa  [Taxonomy; edit]
(unranked): Opisthokonta  [Taxonomy; edit]
(unranked): Holozoa  [Taxonomy; edit]
(unranked): Filozoa  [Taxonomy; edit]
Clade: Choanozoa  [Taxonomy; edit]
Kingdom: Animalia  [Taxonomy; edit]
Subkingdom: Eumetazoa  [Taxonomy; edit]
Clade: ParaHoxozoa  [Taxonomy; edit]
Clade: Bilateria  [Taxonomy; edit]
Clade: Nephrozoa  [Taxonomy; edit]
(unranked): Protostomia  [Taxonomy; edit]
(unranked): Spiralia  [Taxonomy; edit]
Superphylum: Lophotrochozoa  [Taxonomy; edit]
Phylum: Mollusca  [Taxonomy; edit]
Class: Bivalvia  [Taxonomy; edit]
Subclass: Protobranchia  [Taxonomy; edit]
Order: Nuculida  [Taxonomy; edit]


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Parent: Protobranchia [Taxonomy; edit]
Rank: ordo (displays as Order)
Link: Nuculida
Extinct: no
Always displayed: yes (major rank)
Taxonomic references:
Parent's taxonomic references: Carter, J. G.; et al. (October 27, 2011). "A Synoptical Classification of the Bivalvia (Mollusca)". Paleontological Contributions. 4. The University of Kansas, Paleontological Institute. hdl:1808/8287.