Argopecten thetidis Sowerby 1850 (calico scallop)

Bivalvia - Pectinida - Pectinoidae

Alternative combinations: Aequipecten thetidis, Chlamys thetidis, Pecten (Aequipecten) thetidis, Pecten thetidis

Synonyms: Aequipecten oxygonum Sowerby 1850, Chlamys oxygonum Sowerby 1850, Pecten (Aequipecten) augusticostatus Gabb 1873, Pecten (Aequipecten) oxygonum Sowerby 1850, Pecten (Pecten) eugrammatus Dall 1898, Pecten augusticostatus Gabb 1873, Pecten hatoviejonis Maury 1917, Pecten oxygonum Sowerby 1850, Pecten oxygonus Sowerby 1850

Belongs to Argopecten according to T. R. Waller 2011

See also Cooke 1919, Maury 1920, Mongin 1968 and Woodring 1925

Sister taxa: Argopecten abietis, Argopecten ameleus, Argopecten anteamplicostata, Argopecten antonitaensis, Argopecten callidus, Argopecten crassiradiatus, Argopecten cristobalensis, Argopecten daideleus, Argopecten demiurgus, Argopecten deserti, Argopecten diminutivus, Argopecten eboreus yorkensis, Argopecten eccentricus, Argopecten ericellus, Argopecten evermanni, Argopecten gibbus, Argopecten gilbertharrisi, Argopecten gratus, Argopecten hakei, Argopecten inaequalis, Argopecten insuetus, Argopecten invalidus, Argopecten irradians, Argopecten levicostatus, Argopecten mendenhalli, Argopecten nerterus, Argopecten parathetidis, Argopecten percarus, Argopecten purpuratus, Argopecten revellei, Argopecten subdolus, Argopecten sverdrupi, Argopecten uselmae, Argopecten venezualanus, Argopecten ventricosus, Argopecten woodringi, Chlamys (Argopecten) agronomica, Chlamys (Plagioctenium) howei, Pecten (Plagioctenium) mendenhalli, Pecten (Plagioctenium) operculiformis, Chlamys (Plagioctenium) mcguirti, Pecten (Plagioctenium) neahensis, Chlamys (Plagioctenium) diprosopa, Chlamys (Plagioctenium) reedsi

Subtaxa: Pecten oxygonum optimum

View classification

Type specimens:

  • Argopecten thetidis: BMNH LL11355, a shell
  • Aequipecten oxygonum:
  • Pecten (Aequipecten) augusticostatus:
  • Pecten (Pecten) eugrammatus:
  • Pecten hatoviejonis:

Ecology: facultatively mobile epifaunal suspension feeder


• Pliocene of the Dominican Republic (5 collections)

• Miocene to Pliocene of the Dominican Republic (12)

• Miocene of Cuba (1), the Dominican Republic (32), Haiti (1)

• Oligocene of Antigua and Barbuda (1)

Total: 52 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.