Rhynchonellata - Terebratulida - Terebratulidae

Alternative combinations: Terebratula oakvilleensis, Terebratula oakvillensis, Terebratulina oakvillensis

Full reference: C. E. Weaver. 1912. A preliminary report on the Tertiary paleontology of western Washington. Washington Geological Survey Bulletin 15:1-80

Belongs to Gryphus according to L. G. Hertlein and U. S. Grant IV 1944

See also Durham 1944, Weaver 1912 and Weaver 1942

Sister taxa: Gryphus angularis, Gryphus capensis, Gryphus carneoides, Gryphus clarkeana, Gryphus cookei, Gryphus dalli, Gryphus hanzawai, Gryphus kickxii, Gryphus kurotakiensis, Gryphus lentiformis, Gryphus minor, Gryphus miocaenicus, Gryphus parvus, Gryphus radiata, Gryphus rovasendianus, Gryphus sphenoideus, Gryphus stantoni, Gryphus tokionis, Gryphus vaughani, Gryphus vitrea, Gryphus vitreus, Gryphus washingtonensis, Gryphus yatungensis

Type specimen: CAS 544, a shell

Distribution: found only at Mats-Mats Bay (Eocene of Washington)

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Specimen images are retrieved through the ePANDDA API.