''Embolemopsis'' 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

wasps A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder. Th ...

belonging to the family Embolemidae. Two species are known: the type species, ''E. baissensis'' from the

Aptian The Aptian is an age (geology), age in the geologic timescale or a stage (stratigraphy), stage in the stratigraphic column. It is a subdivision of the Early Cretaceous, Early or Lower Cretaceous epoch (geology), Epoch or series (stratigraphy), S ...

Zaza Formation The Zaza Formation is a geological formation located in Buryatia (Russia). It dates to the Lower Cretaceous. The age of the formation is disputed, and is considered likely to be Valanginian-Hauterivian, or Aptian in age. It comprises sandstones, ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

,M. Olmi, A. P. Rasnitsyn, and A. Guglielmino. (2010). Revision of rock fossils of Dryinidae and Embolemidae (Hymenoptera: Chrysidoidea). ''Zootaxa'' 2499:21-38 and ''E. maryannae'' from the

Barremian The Barremian is an age in the geologic timescale (or a chronostratigraphic stage) between 125.77 Ma (million years ago) and 121.4 ± 1.0 Ma (Historically, this stage was placed at 129.4 million to approximately 125 million years ago) It is a ...

Wessex Formation The Wessex Formation is a fossil-rich England, English geological formation that dates from the Berriasian to Barremian Stage (stratigraphy), stages of the Early Cretaceous. It forms part of the Wealden Group and underlies the younger Vectis Form ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

Discovery and naming

The holotype of ''E. baissensis'', PIN 4210/7295, was discovered in

Baissa The Zaza Formation is a geological formation located in Buryatia (Russia). It dates to the Lower Cretaceous. The age of the formation is disputed, and is considered likely to be Valanginian-Hauterivian, or Aptian in age. It comprises sandstones, ...

within an outcrop of the

and was named described by Olmi ''et al.'' (2010) within a revision of the Dryinidae and Embolemidae. The holotype, and only specimen, of ''E. maryannae'' was discovered in Chilton Chine,

in the L6 plant debris bed of the Wealden Formation, and before being named, ''E. maryannae'' was previously described as a member of the Dryinidae in a conference abstract by Jarzembowski (2015). Between 2017 and 2019, ''E. maryannae'' was classified instead as a member of the Embolemidae, and was named by Olmi ''et al.'' (2020) alongside six other extinct members of the Embolemidae. It was named in honour of

Mary Anning Mary Anning (21 May 1799 – 9 March 1847) was an English fossil collector, fossil trade, dealer, and palaeontologist. She became known internationally for her discoveries in Jurassic marine fossil beds in the cliffs along the English Cha ...

Description

''E. baissensis'' grew to around long.

Classification

Jarzembowski (2015) classified ''E. maryannae'' within Dryinidae, and Olmi ''et al.'' (2020) later placed both species of ''Embolemopsis'' within Embolemidae.

References

{{Taxonbar, from=Q21334483 Prehistoric Hymenoptera genera Chrysidoidea Fossil taxa described in 2010