Karatavitidae is an extinct family of sawflies, known from the

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...

period, they are the only members of the superfamily Karatavitoidea. While once proposed to be grouped with the

Orussoidea Orussoidea is a superfamily of sawflies. It contains the living family Orussidae, as well as the extinct families Burmorussidae and Paroryssidae. They are the group of sawflies closest to the Apocrita, the group containing wasps, bees and ants, w ...

in the infraorder Orussomorpha, they are now considered to be the closest relatives of clade containing Orussoidea and

Apocrita Apocrita is a suborder of insects in the order Hymenoptera. It includes wasps, bees, and ants, and consists of many families. It contains the most advanced hymenopterans and is distinguished from Symphyta by the narrow "waist" ( petiole) formed ...

. There are about 7 genera in Karatavitidae.

Genera

These seven genera belong to the family Karatavitidae: * † '' Grimmaratavites'' Rasnitsyn, Ansorge & Zhang, 2006 Green Series, Germany, Early Jurassic (

Toarcian The Toarcian is, in the ICS' geologic timescale, an age and stage in the Early or Lower Jurassic. It spans the time between 182.7 Ma (million years ago) and 174.1 Ma. It follows the Pliensbachian and is followed by the Aalenian. The Toarcian ...

) * † '' Karatavites'' Rasnitsyn, 1963

Karabastau Formation The Karabastau Formation ( kk, Qarabastaý svıtasy) is a geological formation and lagerstätte in the Karatau Mountains of southern Kazakhstan whose strata date to the Middle to Late Jurassic. It is an important locality for insect fossils that ...

Kazakhstan, Middle-Late Jurassic (

Callovian In the geologic timescale, the Callovian is an age and stage in the Middle Jurassic, lasting between 166.1 ± 4.0 Ma (million years ago) and 163.5 ± 4.0 Ma. It is the last stage of the Middle Jurassic, following the Bathonian and preceding the ...

/ Oxfordian),

Daohugou The Haifanggou Formation (), also known as the Jiulongshan Formation (), is a fossil-bearing rock deposit located near Daohugou () village of Ningcheng County, in Inner Mongolia, northeastern China. The formation consists of coarse conglomerates ...

, China, Callovian * † '' Postxiphydria'' Rasnitsyn & Zhang, 2010 Karabastau Formation Kazakhstan, Middle-Late Jurassic (Callovian/Oxfordian) * † '' Postxiphydroides'' Rasnitsyn & Zhang, 2010 Daohugou, China, Callovian * † '' Praeparyssites'' Rasnitsyn, Ansorge & Zhang, 2006 Daohugou, China, Callovian * † '' Praeratavites'' Rasnitsyn, Ansorge & Zhang, 2006 Daohugou, China, Callovian * † '' Praeratavitoides'' Rasnitsyn & Zhang, 2010 Daohugou, China, Callovian

References

Sawflies Prehistoric insect families {{Paleo-insect-stub