Early fishes!Increasing the resolution...We are agnatha!Conodont
Ordovician periodCephalaspis
Devonian periodAstraspis
Ordovician periodPharyngolepis
Silurian periodPteraspis
Devonian periodDoryaspis
Devonian periodDrepanaspis
Devonian periodIllustration: KotaLong tail.(Jawless fish)A model from the Natural History Museum of Helsinki in Finland.The actual sacabambaspis is closer to this.Sacabambaspis lived during the Ordovician period, about 485 million years ago.Tremataspis
Silurian periodAteleaspis
Silurian periodLoganellia
Silurian periodFurcacauda
Devonian periodPolybranchiaspis
Devonian periodSacabambaspis and its
quirky
friends!PeaceA facial expression for drawing out lots of power
