Definition of Pteraspidiforme. Meaning of Pteraspidiforme. Synonyms of Pteraspidiforme

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

Definition of Pteraspidiforme

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Meaning of Pteraspidiforme from wikipedia

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- paraphyletic within Pteraspidiformes, and thus, no longer valid, while Psammosteidae is now regarded as a separate subtaxon within Pteraspidiformes, "Psammosteida...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