The PEDIGREE of
Family Ostreidae (True oysters)

 "Child(ren)":       Subfamily Crassostreinae   ;   Lophinae (frond oyster etc.)   ;   Ostreinae (crested oyster : bluff oyster etc.)   ;   other genera (sponge oysters : frond oysters : bluff oysters : threaded oysters etc.)
________________________________________________________________________________________________________ 
/-- Superbranch Eumetazoa   +====> [ 71]
/-- Superphylum Planulozoa
/-- Clade of Bilateria and Placozoa
/   / (skip this generation?)
/-- Branch Bilateria
/-- Infrakingdom (Grade) of Coelomates
/   / (skip this generation?)
/-- Subgrade of Protostomia
/   / or: Clade Nephrozoa
/-- Superphylum Lophotrochozoa (various phyla of worms)
/-- Supraphylum Trochozoa
/-- Phylum Mollusca
/-- Superclass Conchifera
/-- Class Bivalvia (Clams & Oysters & etc.)
/-- Subclass Pteriomorphia (Oysters & Mussels)
/-- Order Ostreoida (Oysters & Scallops)
/-- Suborder Ostreina
/-- Superfamily Ostreoidea
/  
- Family Ostreidae (True oysters)
 

 
  ``1-Great Grandchild:''       Pacific oyster
 

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