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Mesozoic Anomopoda (Crustacea) from Mongolia
Authors:N. N. SMIRNOV
Affiliation:Institute of Evolutionary Animal Morphology and Ecology of the U.S.S.R. Academy of Sciences, Leninsky Prospect 55, Moscow 117071 U.S.S.R.
Abstract:Material from the Early Cretaceous age collected 6 km west of the Hotont Somon (Mongolia) includes numerous impressions of Anomopoda. These show biramous segmented antennae and their setae, valves, head shields, mandibles, the distal part of the post-abdomen, claws and the gut containing food material. Prochydorus rotundus sp. nov., Archeoxus mirabilis sp. nov. and Archeoxus ventrosus sp. nov. are described and attributed to a new family Prochydoridae. The material demonstrates that the prochydorid-type of organization is geologically ancient.
Keywords:Anomopoda    Mesozoic fossils    Mongolia
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