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Six new species of algae and microproblematica, three new genera and nine new species of smaller foraminifers are described in the late Early Permian (= late Cisuralian = Kungurian = late Leonardian) strata of the Yeso Group and San Andres Formation in New Mexico (USA). These are four algae Boueina? tubulata n. sp., B.? crassundia n. sp., Gymnocodium? johnsonii n. sp., G.? bacillum n. sp.; two microproblematica Ellesmerella rara n. sp., and Tubiphytes epimonellaeformis n. sp.; four globivalvulinoid foraminifers Globivalvulina parapiciformis n. sp., G. retroseptata n. sp., G. novamexicana n. sp., and G. praegraeca n. sp.; and five miliolate foraminifers Orthovertellopsis proteaeformis n. gen. n. sp., O. calcitornellaeformis n. gen. n. sp., Olgaorlovella davydovi n. gen. n. sp., Glomomidiella infrapermica n. sp., and Praeneodiscus convexus n. gen. n. sp. The Yeso Group and San Andres Formation are subdivided into six Kungurian/late Leonardian biozones. This accurate biozonation permits a better correlation of the Leonardian regional stage of Northern America, especially in New Mexico, and its comparison with the international Kungurian stage. Furthermore, the new taxa are important for reconstructing the phylogeny of Miliolata, and for correlating more accurately the series of North America, the Ural Ocean and Tethys. Daniel Vachard. Collegial and International Research Centre of Active Seniors (CIRCAS), 1 rue des Tilleuls, 59152 Gruson, France Daniel.Vachard@free.fr Karl Krainer. Institute of Geology and Paleontology, University of Innsbruck, 6020 Innsbruck, Austria Karl.Krainer@uibk.ac.at Spencer G. Lucas. New Mexico Museum of Natural History, 1801 Mountain Road N.W., Albuquerque, 87104 New Mexico, USA spencer.lucas@state.nm.us

palaeontologia electronica

Late Early Permian (late Leonardian; Kungurian) algae, microproblematica, and smaller foraminifers from the Yeso Group and San Andres Formation (New Mexico; USA)