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Argopecten invalidus Hanna 1924 (calico scallop)

Bivalvia - Pectinida - Pectinoidae

PaleoDB taxon number: 293057

Alternative combinations: Chlamys (Argopecten) invalida, Pecten (Plagioctenium) invalidus, Pecten invalidus

Synonym: Pecten (Plagioctenium) cooperi Arnold 1906 [replaced name] (taxon 169592)

Belongs to Argopecten according to E. J. Moore 1984

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 irradians, Argopecten levicostatus, Argopecten mendenhalli, Argopecten nerterus, Argopecten parathetidis, Argopecten percarus, Argopecten purpuratus, Argopecten revellei, Argopecten subdolus, Argopecten sverdrupi, Argopecten thetidis, Argopecten uselmae, Argopecten venezualanus, Argopecten ventricosus, Argopecten woodringi, Chlamys (Argopecten) agronomica, Pecten (Plagioctenium) mendenhalli, Pecten (Plagioctenium) operculiformis, Chlamys (Plagioctenium) diprosopa, Chlamys (Plagioctenium) reedsi

Type specimens:

  • Argopecten invalidus: CAS 8, a shell
  • Pecten (Plagioctenium) cooperi:

Ecology: facultatively mobile epifaunal suspension feeder

Average measurements (in mm): shell 30.0 x 31.0