Definition of Pteraspidiformes. Meaning of Pteraspidiformes. Synonyms of Pteraspidiformes

Here you will find one or more explanations in English for the word Pteraspidiformes. Also in the bottom left of the page several parts of wikipedia pages related to the word Pteraspidiformes and, of course, Pteraspidiformes synonyms and on the right images related to the word Pteraspidiformes.

Definition of Pteraspidiformes

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Meaning of Pteraspidiformes from wikipedia

- Pteraspidiformes is an extinct order of heterostracan agnathan vertebrates known from extensive fossil remains primarily from Early Devonian strata of...
- paraphyletic within Pteraspidiformes, and thus, no longer valid, while Psammosteidae is now regarded as a separate subtaxon within Pteraspidiformes, "Psammosteida...
- Cyathaspidiformes see below↓ Pteraspidiformes see below↓ Cardipeltida Cardipeltis Lepidaspidida Lepidaspis Corvaspidida Corvaspis Tolypelepidida Asketaspis...
- Cyathaspidiformes see below↓ Pteraspidiformes see below↓ Cardipeltida Cardipeltis Lepidaspidida Lepidaspis Corvaspidida Corvaspis Tolypelepidida Asketaspis...
- Cyathaspidiformes see below↓ Pteraspidiformes see below↓ Cardipeltida Cardipeltis Lepidaspidida Lepidaspis Corvaspidida Corvaspis Tolypelepidida Asketaspis...
- Cyathaspidiformes Pteraspidiformes...
- Infraphylum: Agnatha class: †Pteraspidomorphi Subclass: †Heterostraci Order: †Pteraspidiformes Genus: †Astraspis Walcott, 1892 Type species Astraspis desiderata Walcott...
- †Cyathaspidiformes †Pteraspidiformes...
- subdivision of the family Psammosteida. Psammosteida belongs to the order Pteraspidiformes and class Pteraspidomorphi, which is one of the major classes of the...
- Infraphylum: Agnatha class: †Pteraspidomorphi Subclass: †Heterostraci Order: †Pteraspidiformes Suborder: †Psammosteida Family: †Psammosteidae Genera Drepanaspis Pycnosteus...