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Yoshimura, Taro (2017). “A New
Pliocene Species of Swiftopecten (Bivalvia: Pectinidae) from the Zukawa Formation in Toyama Prefecture, Central Japan”. Paleontological Research 21 (3): 293–303.
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503:(Yoshimura, 2017) is an extinct species of bivalve belonging to the subclass
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515:, approximately 2.75 Ma. Their two valves have step-like growth ribs.
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535:; the commarginal constrictions of
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99:"Swiftopecten djoserus"
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507:and family
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564:Pectinidae
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460:Species:
432:Pectinida
398:Kingdom:
392:Eukaryota
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