| Laccognathus embryi Temporal range:
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|---|---|
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| Reconstruction of Laccognathus embryi | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Class: | Porolepimorpha |
| Order: | †Porolepiformes |
| Family: | †Holoptychiidae |
| Genus: | †Laccognathus |
| Species: | †L. embryi
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| Binomial name | |
| †Laccognathus embryi Downs et al., 2011
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| Discovery site of Laccognathus embryi | |
Laccognathus embryi is an extinct species of porolepiform lobe-finned fish recovered from Ellesmere Island, Canada. It existed during the Frasnian age of the Late Devonian epoch (around 385.3 to 374.5 mya).