Diferencies ente revisiones de «Pexe»

| fossil_range = [[CámbricuCambrianu]]-Presente (en bones condiciones dende l'[[Ordovícicu]])

Los pexes orixináronse a partir d'otros [[cordados]] haza l'entamu del [[CámbricuCambrianu]]. Nun se sabe a ciencia cierta au s'alluga'l so orisen; el grupu más primitivu de los pexes, los [[agnatos]] —que nun tienen calláxines— comprende a les [[llamprea|llamprees]] y a los [[mixines]], (magar que nun ta nidio si estos caberos tienen de considerase vertebraos).

| label1=[[Vertebrata]]

| 1={{clade

| 1={{clade

| 1=[[Conodonta]]†

| label2=[[Cyclostomata]]<ref>{{cite journal| year = 2002| title = Complete Mitochondrial DNA of the Hagfish, Eptatretus burgeri: The Comparative Analysis of Mitochondrial DNA Sequences Strongly Supports the Cyclostome Monophyly | journal = Molecular Phylogenetics and Evolution | volume = 22| issue = 2 | pages = 184–192 | url = | doi = 10.1006/mpev.2001.1045| author = Delabre, Christiane | pmid = 11820840|display-authors=etal}}</ref>

| 2={{clade

| 1=[[Myxini]]

| 2=[[Hyperoartia]]

}} }}

| label2=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

| 2={{clade

| 1=[[Cephalaspidomorphi]]†

| label2=[[Gnathostomata]]

| 2={{clade

| 1=[[Chondrichthyes]]

| label2=[[Teleostomi]]

| 2={{clade

|1=[[Actinopterygii]]

| label2=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

|2={{clade

| label1=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

|1=[[Sarcopterygii]]

|2={{clade

|1=[[Tetrapoda]]