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Recent content by Fred Ruhe

  1. Fred Ruhe

    Review of avialans from the Maastricht Formation

    Figure 1. Main matrix blocks comprising the holotype specimens of Asteriornis maastrichtensis (NHMM 2013 008; upper right) and Janavis finalidens (NHMM RD 271; lower left). Figure 2. The four matrix blocks comprising the holotype of Asteriornis maastrichtensis (NHMM 2013 008); the one...
  2. Fred Ruhe

    New specimen of Palaeeudyptes

    Systematic palaeontology Class Aves Linnaeus, 1758 Order Sphenisciformes Sharpe, 1891 Family Spheniscidae Bonaparte, 1831 Genus Palaeeudyptes Huxley, 1859 Type species: Palaeeudyptes antarcticus Huxley, 1859. Included species: P. antarcticus Huxley, 1859, P. gunnari Wiman, 1905, P. marplesi...
  3. Fred Ruhe

    Comparative morphology of the avian bony columella

    A tympanic middle ear evolved multiple times among vertebrates as a means to compensate for the impedance mismatch between air and the fluid-filled inner ear (Clack, 2002; Lombard & Bolt, 1979; Tucker, 2017). In birds, this system consists of a tympanic membrane, a cartilaginous extracolumella...
  4. Fred Ruhe

    Comparative morphology of the avian bony columella

    John Peacock, Garth M. Spellman, Daniel J. Field,,Matthew J. Mason & Gerald Mayr, 2024. Comparative morphology of the avian bony columella Anatomical Record, 307: 1735–1763 doi: 10.1002/ar.25278 Abstract: Comparative morphology of the avian bony columella In birds, the columella is the...
  5. Fred Ruhe

    A juvenile bird with possible crown-group affinities from a dinosaur-rich Cretaceous ecosystem in North America

    Systematic paleontology Avialae Gauthier 1986. Neornithes Gadow 1892. ?Neognathae Pycraft 1900. ?Galloanserae Sclater 1880. ?Galloanserae indet. Description Yale Peabody Museum Vertebrate Paleontology Collections (YPM VP) 59473, a partial skeleton consisting of the complete left quadrate...
  6. Fred Ruhe

    A juvenile bird with possible crown-group affinities from a dinosaur-rich Cretaceous ecosystem in North America

    Chase Doran Brownstein, 2024 A juvenile bird with possible crown-group affinities from a dinosaur-rich Cretaceous ecosystem in North America BMC Ecology and Evolution 24, Article number: 20 (2024) Abstract and free pdf: A juvenile bird with possible crown-group affinities from a...
  7. Fred Ruhe

    Synthetic analysis of trophic diversity and evolution in Enantiornithes with new insights from Bohaiornithidae

    Yes Melanie. That is the problem with publishing dates. I must have had an "on line first" version. I first came across this problem with Aegolius martae Pavia, 2008 or 2007. On line it was published in 2007, but the paper version was published in Jamuari 2008. So is it Aegolius martae Pavia...
  8. Fred Ruhe

    Synthetic analysis of trophic diversity and evolution in Enantiornithes with new insights from Bohaiornithidae

    Sorry Melanie, I've alreasy mentiones this paper in the thread Trophic diversity and evolution in Enantiornithes: Fred
  9. Fred Ruhe

    Review of avialans from the Cretaceous of Antarctica

    The Antarctic record of Cretaceous birds Antarcticavis capelambensis Cordes-Person, Acosta Hospitaleche, Case et Martin, 2020 A partial skeleton (SDSM 78147, cast SDSM C-642) collected during the summer field trip to West Antarctica in 1998 in Maastrichtian sediments of the Snow Hill Island...
  10. Fred Ruhe

    Late Pleistocene birds (and mammals) from the Kiliite Cave

    TAXONOMIC NOTES Class Aves Linnaeus, 1758 Order Galliformes Temminck, 1820 Family Phasianidae Horsfield, 18215 Genus Perdix Brisson, Perdix palaeoperdix Mourer-Chauviré, 1975 Material: NI 3 (Perdix perdix/palaeoperdix) (Table 1). The Middle-Late Pleistocene P. palaeoperdix is considered to be...
  11. Fred Ruhe

    The evolution and ecology of gigantism in terror birds (Aves, Phorusrhacidae)

    Hi Ornithociencia, Here it is. Fred
  12. Fred Ruhe

    The evolution and ecology of gigantism in terror birds (Aves, Phorusrhacidae)

    Thomas W. LaBarge, Jacob D. Gardner and Chris L. Organ. 2024 The evolution and ecology of gigantism in terror birds (Aves, Phorusrhacidae) Proceedings of the Royal Society B: Biological Sciences. 291 (2021). 20240235. doi:10.1098/rspb.2024.0235. Abstract...
  13. Fred Ruhe

    Paralyra gen. nov.

    Free pdf: https://www.researchgate.net/publication/379874555_Grouse_Aves_Phasianidae_Tetraonini_from_the_Early_Pleistocene_of_Crimea_and_the_Taxonomic_Status_of_Lagopus_atavus Fred
  14. Fred Ruhe

    Paralyra gen. nov.

    Genus Lyrurus Swainson, 1832 Lyrurus partium Kretzoi, 1962 Lyrurus partium: Kretzoi, 1962, p. 171; Jánossy, 1976, p. 20, pl. 2, figs. 5–7. Tetrao partium: Brodkorb, 1964, p. 322; Boev, 1999, p. 85, textfig. 1; Bocheński et al., 2012, p. 60. Tetrao tetrix (part.): Mlíkovsky, 2002, p. 167...
  15. Fred Ruhe

    Paralyra gen. nov.

    SYTEMATIC PALEONTOLOGY CLASS AVES Order Galliformes Family Phasianidae Horsfield, 1821 Tribe Tetraonini Leach, 1820 Genus Paralyra Zelenkov, gen. nov. Etymology. From Greek para (next to) and lyra (a lyre), a reference to the generic name of Lyrurus black grouse; feminine. Typespecies...
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