Eduardo Bessa Pereira da Silva

A origem dos vertebradosProf. Bessa

Posio filogenticaPoriferaCnidariaCtenophoraEcdysozoaLophotrochozoaEchinodermataHemichordataTunicataCephalochordataVertebrata

Posio filogenticaPoriferaCnidariaCtenophoraEcdysozoaLophotrochozoaEchinodermataHemichordataTunicataCephalochordataVertebrata

Eumetazoa

Posio filogenticaPoriferaCnidariaCtenophoraEcdysozoaLophotrochozoaEchinodermataHemichordataTunicataCephalochordataVertebrata

Bilateria

Posio filogenticaPoriferaCnidariaCtenophoraEcdysozoaLophotrochozoaEchinodermataHemichordataTunicataCephalochordataVertebrata

Deuterostomia

Posio filogenticaPoriferaCnidariaCtenophoraEcdysozoaLophotrochozoaEchinodermataHemichordataTunicataCephalochordataVertebrata

Chordata

Sinapomorfias dos cordadosNotocordaTubo nervoso dorsal e ocoFendas farngeasEndstiloCauda ps-analSegmentao muscular

Sinapomorfias dos cordadosNotocordaTubo nervoso dorsal e ocoFendas farngeasEndstiloCauda ps-analSegmentao muscular

Sinapomorfias dos cordadosNotocordaTubo nervoso dorsal e ocoFendas farngeasEndstiloCauda ps-analSegmentao muscular

Sinapomorfias dos cordadosNotocordaTubo nervoso dorsal e ocoFendas farngeasEndstiloCauda ps-analSegmentao muscular

Sinapomorfias dos cordadosNotocordaTubo nervoso dorsal e ocoFendas farngeasEndstiloCauda ps-analSegmentao muscular

Sinapomorfias dos cordadosNotocordaTubo nervoso dorsal e ocoFendas farngeasEndstiloCauda ps-analSegmentao muscular

Registro fssil - Pikaia

Registro fssil - Haikouella

Protochordata - TunicataAscdias e salpasMarinhos ssseis ou planctnicosFiltradores

Protochordata - Tunicata

Protochordata - CephalochordataAnfioxoMarinhos intersticiaisFiltradores

Origem pedomrfica dos vertebrados

Crditos das imagensCSPhern; https://www.flickr.com/photos/77048201@N04/7062156425; CC BY-SA 2.0Ghedoghedo; https://upload.wikimedia.org/wikipedia/commons/4/42/Pikaia_gracilens.jpg; CC BY-SA 3.0Apokryltaros; https://commons.wikimedia.org/wiki/File:Haikouella_lanceolata.jpg; CC BY-SA 3.0Ed Bierman; https://www.flickr.com/photos/edbierman/5005294079; CC BY 3.0Samuel Chow; https://www.flickr.com/photos/cybersam/234972607; CC BY 2.0Hans Hilewaert; https://commons.wikimedia.org/wiki/File:Branchiostoma_lanceolatum.jpg; CC BY-SA 3.0Charles Tate; https://commons.wikimedia.org/wiki/File:Branchiostoma_cultellus.jpg; Public DomainThinio; https://commons.wikimedia.org/wiki/File:Representa%C3%A7%C3%A3o_esquem%C3%A1tica_de_um _urocordado_enquanto_larva.png; CC BY-SA 4.0Tracyanne; https://commons.wikimedia.org/wiki/File:Lamprey_larva_labelled.png; CC BY-SA 3.0