Heterosteidae
Heterosteidae | |
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Comparison of genera | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Subphylum: | Vertebrata |
Infraphylum: | Gnathostomata |
Class: | Placodermi |
Order: | Arthrodira |
Suborder: | Brachythoraci |
Family: | Heterosteidae Jaekel, 1903 |
Genera | |
Heterosteidae is an extinct family of moderately large to giant, flattened, benthic arthrodire placoderms with distinctive, flattened, triangular skulls that are extremely broad posteriorly, but become very narrow anteriorly.[1]
Genera
Herasmius
Heterosteus
Yinostius
References
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