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Journal of Paleontology

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NEW LATE CRETACEOUS LOBSTERS FROM THE KYZYLKUM DESERT OF UZBEKISTAN

¹ Department of Geology, Kent State University, Kent, Ohio 44242 rfeldman{at}kent.edu,
² Department of Geology, Kent State University Stark Campus, 6000 Frank Ave. NW, Canton, Ohio 44720 cschweit{at}kent.edu,
³ Department of Biology, San Diego State University, 5500 Campanile Dr., San Diego, California 92182 redzorro7{at}yahoo.com,
⁴ Department of Palaeontology, The Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom solene{at}btinternet.com,
⁵ Crofton Court, 81 Crofton Lane, Orpington, Kent BR5 1HB, U.K. david{at}fossil.ws

Description of two new species of macruran decapod crustaceans, Hoploparia uzbekensis and Linuparus dzheirantuiensis, from Late Cretaceous rocks in the Kyzylkum Desert, Uzbekistan, represents the first published record of decapods from that country. Hoploparia is considered to be an intact, integrated genus. Specimens of Hoploparia uzbekensis and Linuparus dzheirantuiensis collected from the Aitym and Bissekty formations, respectively, are preserved as altered cuticular material in a sandy matrix. Specimens of Hoploparia and Linuparus collected from the Uchkuduk and Dzheirantui formations, respectively, are preserved as ironstone replacements, an unusual preservation style for decapods. The cephalothorax on the specimen of Linuparus from the Dzheirantui Formation has been partially broken in a manner suggestive of predation. The lateral thoracic flanks of the holotype of Linuparus dzheirantuiensis bear a raised, ridged area suggestive of a stridulating structure. These genera, although cosmopolitan in the Cretaceous fossil record, have not been recognized previously in central Asia.