Contributions to Zoology, 70 (2) (2001)

Polymorphy and extinction of the Late Cretaceous burrowing shrimp Protocallianassa faujasi and first record of the genera Corallianassa and Calliax (Crustacea, Decapoda, Thalassinoidea) from the Cretaceous

Krista Swen , René H.B. Fraaije , Gijsbert J. van der Zwaan

Department of Ecology/Biogeology, University of Nijmegen Toernooiveld 1, 6525 ED Nijmegen, The Netherlands

Oertijdmuseum De Groene Poort Bosscheweg 80, 5283 WB Boxtel, The Netherlandsinfo@oertijdmuseum.nl

Department of Geology, IVAU, Utrecht University Budapestlaan 4, 3508 TA Utrecht, The Netherlandsbzwaan@geo.uu.nl

Keywords: Thalassinoidea, Cretaceous, polymorphy, new species