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Brachiopod
Taxonomy
Phylum: Brachiopoda
Diagnostic features
Two valves (brachial and pedicle)
Bilateral symmetry
Growth lines
Adductor and ductor muscle scars
Pedicle
Commissure
Gape
Teeth and socket (articulates; no teeth or socket in…
TF0112 Dimyodon nilssoni
Species
Dimyodon nilssoni
Stratigraphic Range
Cretaceous
Taxonomy
Phylum: MolluscaClass: BivalviaOrder: Ostreoida
Preservation
Cemented onto fish vertebra
Advanced notes
Identification of these as bivalves took a very long time…