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Based on a large quantity of fossil material and more detailed description of the morphological features, two Cypridea species are recognized from the Jinju Formation of the Gyeongsang Basin: Cypridea jinjuria Choi, 1990 and Cypridea samesi n. sp. These two species do not co-occur and are endemic to South Korea. However, they share the same morphological feature, a swelling/node-like swelling at the...
Based on newly collected material from the Lower Cretaceous (Hauterivian to Aptian) Yixian and Jiufotang formations of the Jehol Group, eight Cypridea species have been recognized in western Liaoning: C. ganzhaoensis, C. gujialingensis n. sp., C. jiufotangensis, C. vitimensis, C. beipiaoensis, C. subfracta, C. subelongata, and C. semiovata. Among them, one species from Kazuo area is new, Cypridea...
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