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  1. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Order Passeriformes Corvidae gen. indet. Material — PIN 2614/292, distal fragment of a left ulna. Remarks — The specimen is morphologically and dimensionally close to the living Corvus monedula but is too fragmentary for a more precise identification. Fred
  2. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Order Charadriiformes Scolopacidae gen. indet. Material — PIN 2614/330, distal fragment of a left humerus. Remarks — The specimen represents a small-sized charadriiform bird, which can be distinguished from Charadriidae by a deeper fossa brachialis, and from Glareolidae — by a longer processus...
  3. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Order Ralliformes Family Rallidae Genus Porzana Vieillot, 1816 Porzana payevskyi Zelenkov, Palastrova, Martynovich et Volkova, sp. nov. Etymology — The species is named in honor of ornithologist Vladimir Payevsky of the Zoological Institute of the Russian Academy of Sciences. Holotype — PIN №...
  4. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Order Podicipediformes Family Podicipedidae Podicipedidae gen. indet. Material — PIN No 2614/326, incomplete right coracoid. Remarks — The specimen is characterized by the typical morphology of Podicipedidae and is similar in size with the living Podiceps grisegena (see Bochenski, 994), thus...
  5. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Anatini gen. indet. 2 (magn. Spatula clypeata) Material — PIN No 2614/319, fragmentary left coracoid; PIN No 2614/321, cranial fragment of a left scapula. Remarks — These remains belong to a notably larger duck, the size of modern Spatula clypeata and thus must be compared with the coeval...
  6. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Tribe Anatini Genus Sibirionetta von Boetticher, 1929 Sibirionetta formozovi Zelenkov, Palastrova, Martynovich et Volkova, sp. nov. Etymology — The species is named in honor of zoologist Nikolay A. Formozov, a former professor at the Moscow State University. Holotype — PIN № 2614/317, right...
  7. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Tribe Mergini Mergini gen. indet. (?Bucephala sp.) Material — PIN № 2614/328, incomplete left humerus; PIN № 2614/325, distal fragment of a right tibiotarsus Remarks — The partial humerus is too fragmentary for a precise identification but agrees with Mergini in the curvature of the preserved...
  8. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Order Anseriformes Family Anatidae Subfamily Anatinae Tribe Tadornini Genus Tadorna Boie, 1822 Tadorna tadorna Linnaeus, 1758 Material — PIN № 2614/324, distal part of a right humerus. Remarks — Specimen PIN, no. 2614/324 is comparable in size and the overall morphology with small geese...
  9. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Genus Perdix Brisson 1760 Perdix cf. P. dauurica (Pallas, 1811) Material — Specimen PIN № 2614/312, distal fragment of a right tibiotarsus. Remarks — The tibiotarsus can be attributed to Perdix on the basis of size and the general outline of the distal end and its expansion with relatively...
  10. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Systematic palaeontology Class AVES Order Galliformes Family Phasianidae Genus Titanoperdix Zelenkov, Palastrova, Martynovich et Volkova, nov. Etymology — From titans, pre-Olympians gods of the Ancient Greek mythology, and Perdix, the modern genus of Phasianidae. Type species — Titanoperdix...
  11. Fred Ruhe

    Titanoperdix felixi gen. et sp. nov, Sibirionetta formozovi sp. nov., and Porzana payevskyi sp. nov.

    Free pdf: https://www.researchgate.net/publication/377969573_A_tiny_duck_Sibirionetta_formozovi_sp_nov_a_giant_grey_partridge_Titanoperdix_felixi_gen_et_sp_nov_a_new_rail_Porzana_payevskyi_sp_nov_and_other_birds_from_the_Early_Pleistocene_of_Baikalian_Siberia Fred
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