Holoptychius

Holoptychius

Translingual

Wikispecies

Proper noun

Holoptychius m

1. A taxonomic genus within the family Holoptychidae – not extant since the Devonian period.
   • 1896. Charles Lyell and John Wesley Judd. The Student's Lyell: A Manual of Elementary Geology., page 389

     ...fish have been found abundantly, and have been referred to Holoptychius nobilissimus...