Psammosteidae
Sign in to savePsammosteidae is an extinct family of flattened, benthic heterostracan vertebrates that lived in marine and estuary environments in Europe, Russia & North America. They arose during the Early Devonian, with the first (and best) known genus, Drepanaspis from the Hunsrück lagerstätte. The Psammosteids were the only heterostracans that survived the Upper Frasnian extinction event during the Late Devonian, dying out in the extinction event at the very end of the Devonian. ==References== Palaeos Vertebrates
Wikidata facts
- Image
- Drepanaspis gemuendina.jpg
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- taxon name
- Psammosteidae
- Commons category
- Pteraspidiformes
- start time
- 416000000-
- end time
- 359000000-
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Psammosteidae is an extinct family of flattened, benthic heterostracan vertebrates that lived in marine and estuary environments in Europe, Russia & North America. They arose during the Early Devonian, with the first (and best) known genus, Drepanaspis from the Hunsrück lagerstätte. The Psammosteids were the only heterostracans that survived the Upper Frasnian extinction event during the Late Devonian, dying out in the extinction event at the very end of the Devonian. ==References== Palaeos Vertebrates
Category:Devonian jawless fish Category:Prehistoric jawless fish families Category:Heterostraci Category:Famennian extinctions Category:Early Devonian first appearances