title: Palaeobotany: Swimming sperm in an extinct Gondwanan plant.
authors.affiliation: Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo, Tokyo 112-8551, Japan. nishida@mechgate.mech.chuo-u.ac.jp
authors.forename: Harufumi
authors.initials: H
authors.lastname: Nishida
authors.forename: Kathleen B
authors.initials: KB
authors.lastname: Pigg
authors.forename: John F
authors.initials: JF
authors.lastname: Rigby
mesh_terms: D005075:Biological Evolution; D017753:Ecosystem; D005580:Fossils; D010802:Phylogeny; D018521:Plant Physiological Phenomena; D011058:Pollen / Q000033:anatomy & histology / Q000166:cytology / Q000502:physiology*; D011793:Queensland; D012098:Reproduction; D013081:Sperm Motility