Vernonaspis

Vernonaspis Temporal range: Upper Silurian PreꞒ Ꞓ O S D C P T J K Pg N
Vernonaspis sp. mass mortality. Late Silurian, Cape Storm Formation, Cornwallis Island, Nunavut (Canada)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Infraphylum:	Agnatha
Class:	† Pteraspidomorpha
Subclass:	† Heterostraci
Order:	† Cyathaspidiformes
Family:	† Cyathaspididae
Genus:	† Vernonaspis Flower and Wayland-Smith, 1952
Type species
Veronaspis allenae Flower and Wayland-Smith, 1952
Other species
V. leonardiFlower and Wayland-Smith, 1952 V. bamberiDenison et al., 1963 V. majorDenison et al., 1963 V. vaningeniDenison, 1964 V. epitegosaBroad and Lenz, 1972 V. parryiThorsteinsson and Elliott, 2022 V. suffuscaThorsteinsson and Elliott, 2022 V. magnaThorsteinsson and Elliott, 2022

Vernonaspis is an extinct genus of jawless fish that lived in the Silurian in the Paleozoic approximately 419 million years ago, in what is now Canada and the Northeastern United States. ^{[1] [2]}

References

1. Broad, D. S.; Lenz, A. C. (1972). "A New Upper Silurian Species of Vernonaspis (Heterostraci) from Yukon Territory, Canada". Journal of Paleontology. 46 (3): 415–420. ISSN   0022-3360. JSTOR   1302975.
2. Denison, Robert H.; Denison, Robert H.; Bamber, E. W.; Hovdebo, H. R.; Lenz, A. C. (1963). New Silurian Heterostraci from southeastern Yukon. [Chicago]: Chicago Natural History Museum.