Heterosteidae | |
---|---|
Comparison of genera | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | † Placodermi |
Order: | † Arthrodira |
Suborder: | † Brachythoraci |
Clade: | † Eubrachythoraci |
Clade: | † Pachyosteomorphi |
Superfamily: | † Dunkleosteoidea |
Family: | †
Heterosteidae Jaekel, 1903 |
Genera | |
Heterosteidae (also known as Heterostiidae [1] [2]) 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. [3]
Heterosteidae belongs to the superfamily Dunkleosteoidea, a relative of the giant Dunkleosteus, as shown in the cladogram below: [1]
Herasmius Orvig, 1969
Heterosteus Asmuss, 1856
Yinostius J. Wang & N. Wang, 1984
Heterosteidae | |
---|---|
Comparison of genera | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | † Placodermi |
Order: | † Arthrodira |
Suborder: | † Brachythoraci |
Clade: | † Eubrachythoraci |
Clade: | † Pachyosteomorphi |
Superfamily: | † Dunkleosteoidea |
Family: | †
Heterosteidae Jaekel, 1903 |
Genera | |
Heterosteidae (also known as Heterostiidae [1] [2]) 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. [3]
Heterosteidae belongs to the superfamily Dunkleosteoidea, a relative of the giant Dunkleosteus, as shown in the cladogram below: [1]
Herasmius Orvig, 1969
Heterosteus Asmuss, 1856
Yinostius J. Wang & N. Wang, 1984