Sinoalidae is an extinct family of

froghopper The froghoppers, or the superfamily Cercopoidea, are a group of hemipteran insects in the suborder Auchenorrhyncha. Adults are capable of jumping many times their height and length, giving the group their common name, but they are best known ...

s known from the late Middle Jurassic to the early Late Cretaceous of Asia. They are one of two main Mesozoic families of froghoppers, alongside

Procercopidae Procercopidae is an extinct family of froghoppers. They are known from the Early Jurassic to early Late Cretaceous of Eurasia. They are one of two main families of Mesozoic froghoppers alongside Sinoalidae. Procercopidae are considered to be th ...

, unlike Procercopidae, Sinoalidae is thought to be an extinct side branch and not ancestral to modern froghoppers. Sinoalids have a temporally disjunct distribution being only known from the late

Middle Jurassic The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 163.5 million years ago. Fossils of land-dwelling animals, such as dinosaurs, from the Middle Jurassic are relatively rare, but geological formations ...

(

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 ...

)

Yanliao Biota The Yanliao Biota is the name given to an assembly of fossils preserved in northeastern China from the Middle to Late Jurassic.Xu, X., Zhou, Z., Sullivan, C. and Wang, Y., 2017. The Yanliao Biota: a trove of exceptionally preserved Middle-Late Jur ...

of Inner Mongolia and the early

Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...

( Cenomanian) aged

Burmese amber Burmese amber, also known as Burmite or Kachin amber, is amber from the Hukawng Valley in northern Myanmar. The amber is dated to around 100 million years ago, during the latest Albian to earliest Cenomanian ages of the mid-Cretaceous period. ...

of Myanmar, separated by over 60 million years. The family is "recognized by its

tegmen A tegmen (plural: ''tegmina'') designates the modified leathery front wing on an insect particularly in the orders Dermaptera (earwigs), Orthoptera (grasshoppers, crickets and similar families), Mantodea (praying mantis), Phasmatodea (stick and ...

with the costal area and clavus commonly more sclerotized and punctate than the remaining part, and its hind tibia with two rows of lateral spines"

Genera

Taxonomy based on Chen et al., 2019 * †'' Cretosinoala'' Fu and Huang 2019

, Myanmar, Cenomanian * †'' Hebeicercopis'' Hong 1983

Jiulongshan Formation 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 Conglomerate (g ...

, China,

* †'' Huabeicercopis'' Hong 1983 Jiulongshan Formation, China, Callovian * †'' Jiania'' Wang and Szwedo 2012

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 conglomerate ...

, China, Callovian * †'' Jiaotouia'' Chen and Wang 2018 Burmese amber, Myanmar, Cenomanian * †subfamily Juroalinae Chen and Wang 2019 ** †'' Chengdecercopis'' Hong 1983 Jiulongshan Formation, China, Callovian ** †'' Juroala'' Chen and Wang 2019 Daohugou, China, Callovian ** †'' Stictocercopis'' Fu and Huang 2018 Daohugou, China, Callovian * †'' Luanpingia'' Hong 1983 Daohugou, Jiulongshan Formation, China, Callovian * †'' Makrosala'' Chen and Wang 2020 Burmese amber, Myanmar, Cenomanian * †'' Mesodorus'' Chen and Wang 2019 Burmese amber, Myanmar, Cenomanian * †'' Mesolongicapitis'' Chen et al. 2019 Burmese amber, Myanmar, Cenomanian * †'' Ornatiala'' Chen et al. 2019 Burmese amber, Myanmar, Cenomanian * †'' Paraornatiala'' Fu and Huang 2019 Burmese amber, Myanmar, Cenomanian * †'' Parasinoala'' Fu and Huang 2018 Daohugou, China, Callovian * †'' Shufania'' Chen et al. 2017 Daohugou, China, Callovian * †subfamily Sinoalinae Wang and Szwedo 2012 ** †tribe Fangyuanini Chen and Wang 2019 *** †'' Fangyuania'' Chen et al. 2018 Burmese amber, Myanmar, Cenomanian ** †tribe Sinoalini Wang and Szwedo 2012 *** †'' Sinoala'' Wang and Szwedo 2012 Daohugou, China, Callovian

Images

References

{{reflist Cercopoidea Prehistoric insect families