Cephalaspidomorphi:
The Vertebrates Dendrogram
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Cephalaspidomorphi: Dendrogram

Abbreviated Dendrogram
Vertebrata ├─Conodonta └─┬─Pteraspidomorphi └─Thelodonti └─┬─┬─Katoporida │ └─Cephalaspidomorphi │ ├─Galeaspida │ │ ├─Eugaleaspidiformes │ │ └─Polybranchiaspidida │ └─┬─Pituriaspida │ └─┬─Osteostraci │ │ ├─Ateleaspis │ │ └─Cornuata │ └─Gnathostomata │ ├─Placodermi │ └─Acanthodii (paraphyletic) │ ├─Chondrichthyes │ └─Osteichthyes └─┬─Loganiidae └─Gnathostomata (alternative placement)
Contents

Overview
Cephalaspidomorphi
Osteostraci
Cornuata
Cornuata (2)
Dendrogram
References

(Note - links to Mikko's Phylogeny (MH) need revising; the pages exist but have been moved to different directories - MAK111024)

Vertebrata ├─Conodonta └─┬─Pteraspidomorphi └─Thelodonti └─┬─┬─Katoporida X │ └─Cephalaspidomorphi X │ ├─Galeaspida X MH │ │ ├─Eugaleaspidiformes •X │ │ └─Polybranchiaspidida X │ │ ├─Polybranchiaspidiformes •X │ │ └─Huananaspidiformes •X │ └─┬─Pituriaspida •X │ └─┬─Osteostraci X ToL, MH │ │ ├─Ateleaspis •X │ │ └─┬─Hirella •X │ │ └─┬─Hemicyclaspis •X │ │ └─Cornuata X │ │ ├─Cephalaspidida •X │ │ └─┬─Zenaspidida •X │ │ └─┬─Benneviaspidida •X │ │ └─┬─Kiaeraspidida •X │ │ └─Thyestiida •X │ └─Gnathostomata └─┬─Loganiidae X └─Gnathostomata (alternative placement)

checked ATW060126