On the discovery of a Cretaceous representative of the extant marine interstitial genus Iliffeoecia Maddocks, 1991 (Ostracoda, Pontocyprididae)
Wouters, K. (1996). On the discovery of a Cretaceous representative of the extant marine interstitial genus Iliffeoecia Maddocks, 1991 (Ostracoda, Pontocyprididae), in: Keen, M.C. (Ed.) Proceedings of the 2nd European Ostracodologists Meeting: University of Glasgow, Scotland 23rd-27th July 1993. pp. 57-62
In: Keen, M.C. (Ed.) (1996). Proceedings of the 2nd European Ostracodologists Meeting: University of Glasgow, Scotland 23rd-27th July 1993. British Micropalaeontological Society: London. ISBN 978-1-8709845-0-8. vi, 214 pp., meer
The genus lliffeoecia, described by Maddocks (1991) from anchialine caves in Bermuda and from the Galapagos Islands, was recently rediscovered (I. varuensis sp. nov.) in shallow sediments tram the Maldive Islands and from Papua New Guinea. Detailed study of material of Cardobairdia rectimarginata Nuyts, 1990 from Cretaceous deposits in Belgium and the Netherlands, revealed that this species also belongs to the genus Iliffeoecia. This observation extends the range of the genus from Lower Cenomanian to Recent. Comparison of the two extant species with the Cretaceous one shows that morphological differences are very small. Little information is available on the age of interstitial faunas. This is the second time that interstitial extant ostracods were shown to have strongly resembling Cretaceous congeners. It illustrates the stability of the interstitial environment over long periods of time, and the importance of morphological stasis in low diversity lineages.
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