Definition of Pteraspidomorphi. Meaning of Pteraspidomorphi. Synonyms of Pteraspidomorphi

- Pteraspidomorphi is an extinct superclass of early jawless fish. They have long been regarded as closely related or even ancestral to jawed vertebrates...
- †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida...
- are currently grouped with arandaspids and astraspids in the clade Pteraspidomorphi (Gagnier 1993, 1995; Donoghue & Smith 2001; Sansom et al. 2005), in...
- scheme, with the following major groups: class Myxini (hagfish) class Pteraspidomorphi † (early jawless fish) class Thelodonti † class Anaspida † class Petromyzontida...
- Scientific classification Kingdom: Animalia Phylum: Chordata class: Pteraspidomorphi Order: Arandaspida Genus: Apedolepis Young, 1997 Species A. tomlinsonae...
- †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida...
- known vertebrates. The group represents a subclass within the class Pteraspidomorphi, and contains only one order, the Arandaspidiformes. The oldest known...
- 450 million years ago) in North America. They are placed among the Pteraspidomorphi because of the large dorsal and ventral shield of their head armor...
- Hyperoartia (lampreys) class †Conodonta class †Myllokunmingiida class †Pteraspidomorphi class †Thelodonti class †Anaspida class †Cephalaspidomorphi Infraphylum...
- Cyclostomi Life reconstruction of extinct agnathan genus, Pteraspis (Pteraspidomorphi) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum:...