Holoptychiidae

Holoptychiidae; Temporal range: Devonian PreꞒ Ꞓ O S D C P T J K Pg N
	Holoptychius sp.
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Porolepiformes
Family:	†Holoptychiidae; Owen, 1860
Genera
	†Glyptolepis; †Holoptychius (type); †Laccognathus;

Holoptychiidae is an extinct family of lobe-finned fishes which lived during the Devonian period. At least one genus, Laccognathus, is thought to have been amphibious.[1]

References

Vorobyeva, E.I. (2006). "A new species of Laccognathus (Porolepiform Crossopterygii) from the Devonian of Latvia". Palaeont. J. Physorg.com. 40 (3): 312–322. doi:10.1134/S0031030106030129.

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