Opabinia
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Opabinia regalis is an extinct stem group marine arthropod found in the Lagerstätte of the Burgess Shale of British Columbia. Opabinia was a soft-bodied animal, measuring up to 7 cm in body length, an
USNM PAL 57683 Opabinia regalis Image 3
Comparison of Opabinia regalis from the Burgess Shale, and Utaurora comosa, from the Wheeler Formation, House Range, Utah, USA
Top left: retouched image of Opabinia (Walcott Cambrian Geology and Paleontology II by Charles Doolittle Walcott)
Opabiniidae
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Opabiniidae is an extinct family of marine stem-arthropods. Its type and best-known genus is Opabinia. It also contains Utaurora, and Mieridduryn. Opabiniids closely resemble radiodonts, but their fro
Opabinia
…on display at the Smithsonian in Washington, D.C. Scientific classification Kingdom: Animalia Stem group: Arthropoda Class: †Dinocaridida Order: †Opabiniida Family: †Opabiniidae Genus: †Opabinia Walcott, 1912 Species: †O. regalis Binomial name †Opabinia regalis Walcott, 1912 Opabinia regalis is an extinct…
Geothelphusa dehaani.IMG 6498