First record of the family Ringiculidae (Gastropoda) from the Middle Tertiary of Antarctica

• Published in: Journal of Paleontology
• Main Authors: Zinsmeister, William. J., Stilwell, Jeffrey D.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 1990
• Subjects: Paleontology; Pacific; New Zealand; Cockburn; Cockburn Island; Antarc*; Antarctica
• Online Access: http://dx.doi.org/10.1017/s0022336000018588; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022336000018588

A new species of the late Mesozoic–Cenozoic family Ringiculidae ( Ringicula ( Ringicula ) cockburnensis n. sp.) is described from basal glauconitic beds of late Eocene age of Cockburn Island, Antarctica, and is the first reported occurrence of the family Ringiculidae from the continent of Antarctica. Ringicula (R.) cockburnensis n. sp. most closely resembles R. castigata from the middle Oligocene Duntroonian Stage of New Zealand and provides further support for the strong provinciality (Weddellian Province) that existed along the southern margin of the Pacific during the Late Cretaceous and early Tertiary.