Definition of Pteraspidomorphi. Meaning of Pteraspidomorphi. Synonyms of Pteraspidomorphi

- Pteraspidomorphi is an extinct class of early jawless fish. They have long been regarded as closely related or even ancestral to jawed vertebrates, but...
- are currently grouped with arandaspids and astraspids in the clade Pteraspidomorphi (Gagnier 1993, 1995; Donoghue & Smith 2001; Sansom et al. 2005), in...
- known vertebrates. The group represents a subclass within the class Pteraspidomorphi, and contains only one order, the Arandaspidiformes. The oldest known...
- Hyperoartia (lampreys) class †Conodonta class †Myllokunmingiida class †Pteraspidomorphi class †Thelodonti class †Anaspida class †Cephalaspidomorphi Infraphylum...
- †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida...
- scheme, with the following major groups: class Myxini (hagfish) class Pteraspidomorphi † (early jawless fish) class Thelodonti † class Anaspida † class Petromyzontida...
- †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida...
- †Pteraspidomorphi †Thelodonti...
- ventral webs and an elongated notochordal lobe. Astraspis Sacabambaspis "Pteraspidomorphi". Retrieved 28 October 2013. Ritchie, Alexander; Gilbert-Tomlinson...
- †Myllokunmingia fengjiaoa †Zhongjianichthys rostratus †Conodonta †Cephalaspidomorphi †Pteraspidomorphi †Osteostraci Gnathostomata...