The Tree of Life

Grande and Rafa Zardoya.- 22. Annelids: Segmented Worms; M. Teresa Aguado, María Capa, Alejandro Oceguera-Figueroa, and Greg W. Rouse.- 23. Platyhelminthes: Are Flatworms Simple or Simplified?; Marta Riutort.- 24. Ecdysozoans: The Molting Animals; Noemí Guil and Gonzalo Giribet.- 25. Nematodes: The Ubiquitous Roundworms; Alfonso Navas.- 26. Panarthropods: Arthropods and Their Closest Relatives; Gustavo Hormiga and Jesús Ballesteros Chávez.- 27. Chelicerates: The Eight-Legged Colonization of Land; Miquel Arnedo and Carles Ribera.- 28. Mandibulates: Arthropods with Mandibles; Marcos Pérez-Losada.- 29. Hexapods: Insects and Closely Related Groups; Ignacio Ribera.- 30. Odonates: Dragonflies and Damselflies; Adolfo Cordero. 31. Orthopterans: Grasshoppers and Katydids, the First Singers on Earth; Mario García-París.- 32. Hemipterans: The Largest Hemimetabolous Insect Order; Dora Aguin Pombo and Thierry Bourgoin.- 33. Coleopterans: Beetles; Ignacio Ribera and Rolf G. Beutel.- 34. Hymenopterans: Ants, Bees, Wasps, and the Majority of Insect Parasitoids; Jose L. Nieves Aldrey and Mike Sharkey.- 35. Dipterans: Two-winged Flies; David Yeates and Dalton de Souza Amorim.- 36. Lepidopterans: Butterflies and Moths; Roger Vila.- 37. Deuterostomes: The Ancestry of Vertebrates; José Castresana.- 38. Echinoderms: Reinventing Radial Symmetry; Samuel Zamora, Patricio Domínguez and Pablo Vargas.- 39. Chordates: The Acquisition of an Axial Backbone; Stéphanie Bertrand and Héctor Escrivá.- 40. Actinopterygians: The Extraordinary Diversity of Ray-Finned Fishes; Ignacio Doadrio and Omar Domínguez-Domínguez.- 41. Sarcopterygians: The Rise of Land Vertebrates; Rafael Zardoya.- 42. Amphibians: Land Conquest by Vertebrates; Diego San Mauro.- 43. Mammals: Prolific Speciation after Dinosaurs' Demise; Pablo Vargas.- 44. Sauropsids: Reptilian Relationships, including Aves; Salvador Carranza.- 45. Aves: Birds, the Living Descendants of Flying Dinosaurs; Per G. P. Ericson.- 46. Speciation; Antonio Fontdevila.- 47. Biogeography; Isabel Sanmartín.- 48. Evolution on Islands; Pablo Vargas.- 49. Evolutionary Ecology; Patrick S. Fitze.- 50. Evolution of Behavior; Patrick S. Fitze.- 51. Phylogenies and the Evolution of Development; Ehab Abouheif.- 52. Symbiosis; Andrés Moya and Amparo Latorre.- 53. Phylogenetic Techniques and Markers; Pilar Catalán and Fernando González-Candelas.- 54. Reconstruction of Phylogenetic Trees; David Posada.- 55. Analysis of Genetic Variation and Intraspecific Phylogenies; Julio Rozas and Alejandro Sánchez-Gracia.