Heterosteidae
Sign in to saveHeterosteidae (also known as Heterostiidae) 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.
Wikidata facts
- Parent taxon
- Brachythoraci
- Image
- Heterosteidae.jpg
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- taxon name
- Heterosteidae
- taxon rank
- family
- Commons category
- Dunkleosteoidea
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Encyclopedic overview
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- Genera
- References
Heterosteidae (also known as Heterostiidae) 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.
Heterosteidae belongs to the superfamily Dunkleosteoidea, a relative of the giant Dunkleosteus, as shown in the cladogram below: {{clade| style=font-size:100%;line-height:85% |label1=Dunkleosteoidea |1={{clade |1=Eastmanosteus calliaspis |2= }} }}
Excerpted from Wikipedia’s “Heterosteidae” article, available under the CC BY-SA 4.0 licence.