Outgroup

Liostrea_delta

Liostrea_eduliformis

Pernostrea

UNC_13497b

Lopha_haidingeriana

Dendostrea_frons

Lopha_solitaria

Rastellwn_macropterwn

Rastellwn_carinatum

Agerostrea_falcata

Agerostrea_mesenterica

Nicaisolopha_nicasei

Ostreola_conchaphila

Saccostrea_palmula

Striostrea_marganitacea

Crassostrea_columbiensis

Crassostrea_virginica

Liostrea_hisingeri

Praexogyra_acuminata

Praexogyra_calceola

Nanogyra_nana

Amphidonte

Ceratostreon_texanum

Ceratostreon_zueatherfordensis

Exogyra_ponderosa

Exogyra_laeviscula_slash_tigrina

Ilymatogyra_arietina

Gryphaea_arcuataeformis

Gyphaea_arcuata

Gryphaea_sportella

Gryphaea_pictavensis

Catinula_beaumonti

Gryphaea_nebrascensis

Texigraphaea_roemeri

Pycnodonte_roanokensis

Parahyotissa_mcgynti