Definition of Astraspida. Meaning of Astraspida. Synonyms of Astraspida

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

Definition of Astraspida

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Meaning of Astraspida from wikipedia

- Astraspida, or astraspids, are a small group of extinct armored jawless vertebrates, which lived in the Late Ordovician (about 450 million years ago) in...
- Sansom et al., 2013 Genus †Sacabambaspis Gagnier, Blieck & Rodrico, 1986 Astraspida Heterostraci Janvier, Philippe (1997) Arandaspida The Tree of Life Web...
- Astraspida Eriptychiida Heterostraci see below↓...
- Goodrich, 1909 Type species Pteraspis rostrata Ag****iz, 1835 Subgroups †Anatolepis †Arandaspida †Heterostracomorphi †Astraspida †Eriptychiida †Heterostraci...
- lived in fresh water. The taxon contains the subgroups Heterostraci, Astraspida, Arandaspida. †Thelodonti (extinct) Thelodonti (nipple teeth) are a group...
- Astraspida Eriptychiida Heterostraci see below↓...
- lived in fresh water. The taxon contains the subgroups Heterostraci, Astraspida, Arandaspida. †Thelodonti (extinct) Thelodonti ('feeble-teeth') are a...
- Astraspida Eriptychiida Heterostraci see below↓...
- Kingdom: Animalia Phylum: Chordata class: Pteraspidomorphi Subclass: Astraspida Order: Tesakoviaspidida Family: Tesakoviaspididae Genus: Tesakoviaspis...
- Astraspida Eriptychiida Heterostraci see below↓...