''Aoriopsis'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

genus of

leaf beetle The beetle family Chrysomelidae, commonly known as leaf beetles, includes over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making it one of the largest and most commonly encountered of all beetle families. Numerous s ...

s in the subfamily

Eumolpinae The Eumolpinae are a subfamily of the leaf beetles, or Chrysomelidae. It is one of the largest subfamilies of leaf beetles, including more than 500 genera and 7000 species. They are oval, and convex in form, and measure up to 10 mm in size. ...

. It contains only one species, ''Aoriopsis eocenicus'', and is known only from lowermost

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

amber Amber is fossilized tree resin. Examples of it have been appreciated for its color and natural beauty since the Neolithic times, and worked as a gemstone since antiquity."Amber" (2004). In Maxine N. Lurie and Marc Mappen (eds.) ''Encyclopedia ...

collected from

Le Quesnoy Le Quesnoy (; ) is a commune and small town in the east of the Nord department of northern France. It was part of the historical province of French Hainaut. It is known for its fortifications, dating from the 16th, 17th and 18th centuries. ...

, Oise Department,

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

. The species is known only from one fossil, the holotype, specimen number "PA 2437". It is an almost complete female beetle included in a small piece of amber. The specimen is currently deposited at the

Muséum national d'histoire naturelle The French National Museum of Natural History ( ; abbr. MNHN) is the national natural history museum of France and a of higher education part of Sorbonne University. The main museum, with four galleries, is located in Paris, France, within the Ja ...

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

. ''Aoriopsis'' was first studied by Alexey G. Moseyko and Alexander G. Kirejtshuk of the Zoological Institute of the Russian Academy of Sciences and Andre Nel of the Muséum national d'histoire naturelle. Their

type description A species description is a formal scientific description of a newly encountered species, typically articulated through a scientific publication. Its purpose is to provide a clear description of a new species of organism and explain how it differ ...

of the genus was published in the journal ''

Annales de la Société Entomologique de France Annals are a concise form of historical writing which record events chronologically, year by year. The equivalent word in Latin and French is ''annales'', which is used untranslated in English in various contexts. List of works with titles contai ...

'' in 2010. The generic name, ''Aoriopsis'', is a combination of the generic name '' Aoria'' and the

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

root ' (appearance, countenance, face). The specific name, ''eocenicus'', is derived from "Eocene", the geological epoch the genus lived in.

References

† A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species or languages). It is one of the mo ...

Fossil beetle genera Ypresian insects Monotypic prehistoric insect genera {{paleo-beetle-stub