Panopea abrupta

Panopea abrupta is an extinct species of large marine bivalve mollusc in the family Hiatellidae, originally described as Mya abrupta. Its fossils were found in Miocene-aged marine strata near Astoria, Oregon. Between 1983 and 2010, this species of clam was confused with the Pacific geoduck, Panopea generosa, in the scientific literature.^[2]

Panopea abrupta Temporal range: Miocene
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Adapedonta
Family:	Hiatellidae
Genus:	Panopea
Species:	†P. abrupta
Binomial name
†Panopea abrupta (Conrad, 1849)
Synonyms[1]
List Glycimeris estrellana Conrad, 1857 Mya abrupta Conrad, 1849 Panomya intermedia Khomenko, 1938 Panopaea fragilis A. Gould, 1861 Panopaea sagrinata A. Gould, 1861 Panopaea tenuis Wiedey, 1928 Panopaea vaskuchevskensis Il'ina, 1963 Panopea tyosiensis Ozaki, 1952