Augspurger, C. K. 1986. Morphology and dispersal potential of wind-dispersed diaspores of neotropical trees. American Journal of Botany 73:353–363.
Azuma, A., and Okuno, Y.. 1987. Flight of a samara, Alsomitra macrocarpa. Journal of Theoretical Biology 129:263–274.
Azuma, A., and Yasuda, K.. 1989. Flight performance of rotary seeds. Journal of Theoretical Biology 138:23–53.
Benkman, C. W. 1995. Wind dispersal capacity of pine seeds and the evolution of different seed dispersal modes in pines. Oikos 73:221–224.
Bergman, N. M., Lenton, T. M., and Watson, A. L.. 2004. COPSE: a new model of biogeochemical cycling over Phanerozoic time. American Journal of Science 304:397–437.
Berner, R. A. 2009. GEOCARBSULF: Phanerozoic atmospheric oxygen: new results using the GEOCARBSULF model. American Journal of Science 309:603–606.
Burrows, F. M. 1975. Wind-borne seed and fruit movement. New Phytologist 75:405–418.
Call, V. B., and Dilcher, D. L.. 1997. The fossil record of Eucommia (Eucommiaceae) in North America. American Journal of Botany 84:798–814.
Chaney, D. S., and DiMichele, W. A.. 2007. Paleobotany of the classic redbeds (Clear Fork Group - Early Permian) of North Central Texas. Pp. 357-366 In T. Wong, ed. Proceedings of the XVth International Congress on Carboniferous and Permian Stratigraphy (Utrecht, 10-16 August 2003). Royal Netherlands Academy of Arts and Sciences, Amsterdam.
Childress, S., Vandenberghe, N., and Zhang, J.. 2006. Hovering of a passive body in an oscillating airflow. Physics of Fluids 18:117103.
Clark, J. S. 1998. Why trees migrate so fast: confronting theory with dispersal biology and the paleorecord. American Naturalist 152:204–224.
Clement-Westerhof, J. A. 1984. Aspects of Permian palaeobotany and palynology. IV. The conifer Ortiseia Florin from the Val Gardena Formation of the Dolomites and Vicentinian Alps (Italy) with special reference to a revised concept of the Walchiaceae (Göppert) Schimper. Review of Palaeobotany and Palynology 41:51–166.
Clement-Westerhof, J. A 1987. Aspects of Permian paleobotany and palynology, VII. The Majonicaceae, a new family of Late Permian conifers. Review of Palaeobotany and Palynology 52:375–402.
Clement-Westerhof, J. A 1988. Morphology and phylogeny of Palaeozoic conifers. Pp. 298–337in C. Beck, ed. Origin and evolution of gymnosperms. Columbia University Press, New York.
DiMichele, W. A., Mamay, S. H., Chaney, D. S., Hook, R. W., and Nelson, J. W.. 2001. An Early Permian flora with Late Permian and Mesozoic affinities from north-central Texas. Journal of Paleontology 75:449–460.
DiMichele, W. A., Tabor, N. J., Chaney, D. S., and Nelson, W. J.. 2006. From wetlands to wet spots: environmental tracking and the fate of Carboniferous elements in the Early Permian tropical floras. In S. F. Greb and W. A. DiMichele, eds. Wetlands through time. Geological Society of America Special Paper 399: 223–248.
Dudley, R. 1998. Atmospheric oxygen, giant Paleozoic insects, and the evolution of aerial locomotor performance. Journal of Experimental Biology 201:1043–1050.
Dudley, R., and Chai, P.. 1996. Animal flight mechanics in physically variable gas mixtures. Journal of Experimental Biology 199:1881–1885.
Dudley, R., Byrnes, G., Yanoviak, S. P., Borrell, B., Brownand, R. M., and McGuire, J. A.. 2007. Gliding and the functional origins of flight: biomechanical novelty or necessity? Annual Review of Ecology, Evolution, and Systematics 38:179–201.
Eckenwalder, J. E. 2009. Conifers of the world. Timber, Portland, Ore.
Eriksson, O., Friis, E. M., and Löfgren, P.. 2000. Seed size, fruit size, and dispersal systems in angiosperms from the Early Cretaceous to the Late Tertiary. American Naturalist 156:47–58.
Escapa, I., Iglesias, A., Wilf, P., and Cuneo, N.. 2013. Oldest macrofossil record of Agathis (Araucariaceae), early Paleocene of Patagonia, Argentina, and its evolutionary significance. Botanical Society of America 2013 Meeting, New Orleans, Louisiana, Abstracts, p. 378.
Evangelista, D. J. 2013. Aerial righting, directed aerial descent, and maneuvering in the evolution of flight in birds. Ph.D. thesis. University of California, Berkeley.
Evangelista, D., Hotton, S., and Dumais, J.. 2011. The mechanics of explosive dispersal and self-burial in the seeds of the filaree, Erodium cicutarium (Geraniaceae). Journal of Experimental Biology 214:521–529.
Evangelista, D., Cam, S., Huynh, T., Krivitskiy, I., and Dudley, R.. 2014a. Ontogeny of aerial righting and wing flapping in juvenile birds. Biology Letters 10:20140497.
Evangelista, D., Cam, S., Huynh, T., Kwong, A., Mehrabani, H., Tse, K., and Dudley, R.. 2014b. Shifts in stability and control effectiveness during evolution of Paraves support aerial maneuvering hypotheses for flight origins. PeerJ 2:e632.
Farjon, A. 1990. Pinaceae. Koeltz Scientific Books, Koenigstein, Germany.
Farjon, A 2005. A monograph of Cupressaceae and Sciadopitys. Royal Botanic Gardens, Kew.
Farjon, A 2010. A handbook of the world’s conifers. Brill Academic, Leiden, the Netherlands.
Givnish, T. J. 1980. Ecological constraints on the evolution of breeding systems in seed plants: dioecy and dispersal in gymnosperms. Evolution 34:959–972.
Graham, J. B., Dudley, R., Aguilar, N. M., and Gans, C.. 1995. Implications of the late Palaeozoic oxygen pulse for physiology and evolution. Nature 375:117–120.
Green, D. S. 1980. The terminal velocity and dispersal of spinning samaras. American Journal of Botany 67:1218–1224.
Greene, D. F., and Johnson, E. A.. 1989. A model of wind dispersal of winged or plumed seeds. Ecology 70:339–347.
Greene, D. F., and Johnson, E. A.. 1990. The aerodynamics of plumed seeds. Functional Ecology 4:117–125.
Greene, D. F., and Johnson, E. A.. 1992. Can the variation in samara mass and terminal velocity on an individual plant affect the distribution of dispersal distances? American Naturalist 139:825–838.
Greene, D. F., and Johnson, E. A.. 1993. Seed mass and dispersal capacity in wind-dispersed diaspores. Oikos 67:69–74.
Greene, D. F., and Quesada, M.. 1992. Seed size, dispersal, and aerodynamic constraints within the Bombacaceae. American Journal of Botany 92:998–1005.
Hedrick, T. L., Cheng, B., and Deng, X.. 2009. Wingbeat time and the scaling of passive rotational damping in flapping flight. Science 324:252–255.
Horn, H. S., Nathan, R., and Kaplan, S. R.. 2001. Long-distance dispersal of tree seeds by wind. Ecological Research 16:877–885.
Howe, H. F., and Miriti, M. N.. 2004. When seed dispersal matters. Bioscience 54:651–660.
Howe, H. F., and Smallwood, J.. 1982. Ecology of seed dispersal. Annual Review of Ecology and Systematics 13:201–228.
Hughes, L., Dunlop, M., French, K., Leishman, M. R., Rice, B., Rodgerson, L., and Westoby, M.. 1994. Predicting dispersal spectra: a minimal set of hypotheses based on plant attributes. Journal of Ecology 82:933–950.
Kerp, J. H. F., Poort, R. J., Swinkels, H. A. J. M., and Verwer, R.. 1990. Aspects of Permian palaeobotany and palynology. IX. Conifer-dominated Rotliegend floras from the Saar-Nahe Basin (?Late Carboniferous–Early Permian; SW-Germany) with special reference to the reproductive biology of early conifers. Review of Palaeobotany and Palynology 62:205–248.
Kvaček, Z. 2002. Novelties on Doliostrobus (Doliostrobaceae), an extinct conifer genus of the European Palaeogene. Časopis Národního Muzea 171:131–175.
Labandeira, C. C. 2002. The history of associations between plants and animals. Pp. 26–74, 248–261 In C. Herrera, and O. Pellmyr, eds. Plant-animal interactions: an evolutionary approach, Blackwell Science, Oxford, England.
Lentink, D., Dickson, W. B., van Leeuwen, J. L., and Dickinson, M. H.. 2009. Leading-edge vortices elevate lift of autorotating plant seeds. Science 324:1438–1440.
Leslie, A. B. 2011. Shifting functional roles and the evolution of conifer pollen producing and seed-producing cones. Paleobiology 37:587–602.
Leslie, A. B., Beaulieu, J. M., Crane, P. R., and Donoghue, M. J.. 2013. Explaining the distribution of breeding and dispersal syndromes in conifers. Proceedings of the Royal Society B 280:20131812. doi:10.1098/rspb.2013.1812 [Epub ahead of print].
Levin, S. A., Muller-Landau, H. C., Nathan, R., and Chave, J.. 2003. The ecology and evolution of seed dispersal: a theore tical perspective. Annual Review of Ecology, Evolution, and Systematics 34:575–604.
Looy, C. V. 2007. Extending the range of derived Late Paleozoic conifers: Lebowskia gen. nov. (Majonicaceae). International Journal of Plant Sciences 168:57–972.
Looy, C. V., and Stevenson, R. A.. 2014. Earliest occurrence of autorotating seeds in conifers: the Permian (Kungurian-Roadian) Manifera talaris gen. et sp. nov. International Journal of Plant Sciences 175:841–854.
McCay, M. G. 2003. Winds under the rain forest canopy: the aerodynamic environment of gliding tree frogs. Biotropica 35:94–102.
McCutchen, C. W. 1977. The spinning rotation of Ash and Tulip Tree samaras. Science 197:691–692.
Meijering, O. D., and Smal, I.. 2012. Methods for cell and particle tracking. Methods in Enzymology 504:182–200.
Minami, S., and Azuma, A.. 2003. Various flying modes of wind-dispersal in seeds. Journal of Theoretical Biology 225:1–14.
Mirams, R. V. 1957. Aspects of the natural regeneration of the Kauri (Agathis australis Salish.). Transactions of the Royal Society of New Zealand 84:661–680.
Montañez, I. P., Tabor, N. J., Niemeier, D., DiMichele, W. A., Frank, T. D., Fielding, C. R., Isbell, J. L., Birgenheier, L. P., and Rygel, M. C.. 2007. CO2-forced climate and vegetation instability during Late Paleozoic deglaciation. Science 315:87–91.
Nathan, R., and Muller-Landau, H. C.. 2000. Spatial patterns of seed dispersal, their determinants and consequences for recruitment. Trends in Ecology and Evolution 15:278–285.
Nathan, R., Safriel, U. N., and Noy-Meir, I.. 2001. Field validation and sensitivity analysis of a mechanistic model for tree seed dispersal by wind. Ecology 82:374–388.
Nathan, R., Katul, G. G., Horn, H. S., Thomas, S. M., Oren, R., Avissar, R., Pacala, S. W., and Levin, S. A.. 2002. Mechanisms of long-distance dispersal of seeds by wind. Nature 418:409–413.
Nathan, R., Schurr, F. M., Spiegel, O., Steinitz, O., Trakhtenbrot, A., and Tsoar, A.. 2008. Mechanisms of long-distance seed dispersal. Trends in Ecology and Evolution 23:638–647.
Norberg, R. 1973. Autorotation, self-stability, and structure of single-winged fruits and seeds (samaras) with comparative remarks on animal flight. Biological Reviews 48:561–596.
Okubo, A., and Levin, S. A.. 1989. A theoretical framework for data analysis of wind dispersal of seeds and pollen ecology 70: 329–338.
Owens, J. N., Catalano, G. L., and Aitken-Christie, J.. 1997. The reproductive biology of Kauri (Agathis australis). IV. Late embryogeny, histochemistry, cone and seed morphology. International Journal of Plant Science 158:395–407.
Phillips, T. L., and DiMichele, W. A.. 1992. Comparative ecology and life-history biology of arborescent lycopods in Late Carboniferous swamps of Euramerica. Annals of the Missouri Botanical Garden 79:560–588.
R Development Core Team. 2013. R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna. http://www.R-project.org/.
Rothwell, G. W., Mapes, G., and Hernandez-Castillo, G. R.. 2005. Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales). Taxon 54:733–750.
Royal Botanic Gardens Kew. 2008. Seed information database (SID), Version 7.1. http://data.kew.org/sid/, accessed September 2013.
Schippers, P., and Jongejans, E.. 2005. Release thresholds strongly determine the range of seed dispersal by wind. Ecological Modeling 185:93–103.
Schulz, C., Knopf, P., and Stützel, T. H.. 2005. Identification key to the Cypress family (Cupressaceae). Feddes Repertorium 116:96–146.
Sipe, T. W., and Linnerooth, A. R.. 1985. Intraspecific variation in samara morphology and flight behavior in Acer saccharinum (Aceraceae). American Journal of Botany 82:1412–1419.
Soons, M. B., and Bullock, J. M.. 2008. Non-random seed abscission, long-distance wind dispersal and plant migration rates. Journal of Ecology 96:581–590.
Tiffney, B. H. 1986. Evolution of seed dispersal syndromes according to the fossil record. Pp. 273–305in D. R. Murray, ed. Seed dispersal. Academic Press, Sydney.
Tiffney, B. H 2004. Vertebrate dispersal of seed plants through time. Annual Review of Ecology, Evolution, and Systematics 35:1–29.
Tiffney, B. H., and Mazer, S. J.. 1995. Angiosperm growth habit, dispersal and diversification reconsidered. Evolutionary Ecology 9:93–117.
Uhl, D. 2007. Typification of the fossil conifer Pseudovoltzia liebeana (Geinitz) Florin. Taxon 53:185–186.
Van der Pijl, L. 1982. Principles of dispersal in higher plants. Springer, Berlin.
Varshney, K., Chang, S., and Wang, Z. J.. 2012. The kinematics of falling maple seeds and the initial transition to a helical motion. Nonlinearity 25:C1–C8.
Wardlaw, B. R. 2005. Age assignment of the Pennsylvanian–Early Permian succession of North Central Texas. Permophiles 46:21–22.
Willson, M. F., and Traveset, A.. 2000. The ecology of seed dispersal. Pp. 85–110in M. Fenner, ed. Seeds: the ecology of regeneration in plant communities. CAB International, New York.
Yasuda, K., and Azuma, A.. 1997. The autorotation boundary in the flight of samaras. Journal of Theoretical Biology 185:313–320.
Zeng, Y. 2013. Aerial righting, directed aerial descent and maneuvering in stick insects. Ph.D. thesis. University of California, Berkeley.