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Swiftopecten djoserus '(Yoshimura, 2017) is an extinct species of bivalve belonging to the subclass Pteriomorphia and family Pectinidae that lived during the Late Pliocene, approximately 2.75 Ma. Their two valves have step-like growth ribs.
Swiftopecten djoserus Temporal range:
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The holotype specimen of Swiftopecten djoserus (Yoshimura, 2017) from Toyama Pref., Japan, owned by National Museum of Nature and Science, Tokyo (No. PM27195). | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Bivalvia |
Order: | Pectinida |
Family: | Pectinidae |
Genus: | Swiftopecten |
Species: | S. djoserus
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Binomial name | |
Swiftopecten djoserus Yoshimura, 2017
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Origin of scientific name edit
The species name comes from the Pyramid of Djoser in Saqqara, Egypt; the commarginal constrictions of Swiftopecten djoserus resemble the unique stepwise form of this pyramid.
References edit
- 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.