Lechriaspis
Lechriaspis Temporal range: Early Devonian,
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Infraphylum: | Agnatha |
Class: | †Pteraspidomorphi |
Subclass: | †Heterostraci |
Order: | †Cyathaspidiformes |
Family: | †Poraspidae |
Genus: | †Lechriaspis Elliott & Petriello, 2011 |
Type species | |
†Lechriaspis patula Elliott & Petriello, 2011
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Lechriaspis is an extinct genus of poraspid heterostracan agnathan known from the Early Devonian of northern Utah, western United States.[1]
Discovery
Lechriaspis is known only from the holotype specimen. It was collected from the Grassy Flat Member of the Water Canyon Formation of northern Utah, which dates to the Emsian stage of the late Early Devonian. The specimen shows evidence of puncture wounds indicating predation by a eurypterid. Lechriaspis and Poraspis thomasi represent the first true members of the Cyathaspidida to be described from the Devonian of the western United States.[1]
Etymology
Lechriaspis was first named by David K. Elliott and Michael A. Petriello in 2011 and the type species is Lechriaspis patula.[1]
References
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- Articles with short description
- Articles with 'species' microformats
- Taxonbars desynced from Wikidata
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- Fossils of the United States
- Extinct animals of Utah
- Devonian jawless fish
- Fossil taxa described in 2011
- Heterostraci genera
- All stub articles
- Devonian jawless fish stubs