Catiniidae is a small extinct family of

beetle Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

s known from the

Early Triassic The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale. It spans the time between 251.9 Ma and Ma (million years ago). Rocks from this epoch are collectively known as the Lower Triassic Series, which ...

to the

Early Cretaceous The Early Cretaceous (geochronology, geochronological name) or the Lower Cretaceous (chronostratigraphy, chronostratigraphic name) is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 143.1 ...

. The family is usually classified as a member of the suborder

Archostemata The Archostemata are the smallest suborder of beetles, consisting of 50 living species in five families and over 200 described fossil species. They are an ancient lineage with a number of primitive characteristics. Antenna (biology), Antennae may ...

, but beetles in this family had smooth

elytra An elytron (; ; : elytra, ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometime ...

(hardened forewings) unlike members of the modern-day families

Cupedidae The Cupedidae are a small family of beetles, notable for the square pattern of "windows" on their elytra (hard forewings), which give the family their common name of reticulated beetles. The family consists of about 30 species in 9 genera, with ...

and

Ommatidae The Ommatidae are a family of beetles in the suborder Archostemata. The Ommatidae are considered the extant beetle family that has most ancestral characteristics. There are only seven extant species, confined to Australia and South America. Howev ...

which have elytra with window punctures. The family name Catiniidae is a junior homonym of Catiniidae , used for a family of

copepod Copepods (; meaning 'oar-feet') are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (living in the water column), some are benthos, benthic (living on the sedimen ...

s. Ponomarenko and Prokin (2015) proposed "Coleocatiniidae" as a replacement name for the beetle family, but it is unavailable under the

International Code of Zoological Nomenclature The International Code of Zoological Nomenclature (ICZN) is a widely accepted Convention (norm), convention in zoology that rules the formal scientific name, scientific naming of organisms treated as animals. It is also informally known as the I ...

as it was not based on an available genus group name at the time. In Kirejtshuk and Prokin (2018), Catiniidae was treated as a synonym of Triaplidae , but this synonymy was not supported by Ponomarenko (2021).

Genera

These six genera belong to the family Catiniidae: * †'' Avocatinus'' Ponomarenko, 1969 –

Madygen Formation The Madygen Formation (Russian language, Russian: Madygen Svita) is a Middle Triassic, Middle–Late Triassic (Ladinian–Carnian) geologic formation and lagerstätte in the Batken Region, Batken and Osh Regions of western Kyrgyzstan, with minor ...

, Kyrgyzstan, Late Triassic * †'' Catinius'' Ponomarenko, 1968 –

Karabastau Formation The Karabastau Formation () 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 has been studied since ...

, Kazakhstan, Late Jurassic; Dalazi Formation, China, Early Cretaceous * †'' Catinoides'' Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic * †'' Macrocatinius'' Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic * †'' Permocatinus'' Ponomarenko, 2021 – Maltsevo Formation, Russia, Early Triassic * †'' Triassocatinius'' Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic The genera '' Cervicatinius'' and '' Forticatinius'' were originally placed in this family by Tan and Ren (2007), but were transferred to the superfamily

Cleroidea Cleroidea is a small Taxonomic rank, superfamily of beetles containing over 10,000 species. Most of the members of the group are somewhat slender, often with fairly soft, flexible elytra, and typically hairy or scaly. Description Cleroidea is ...

in 2010.

References

{{Taxonbar, from=Q21062137

† 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 ...

Archostemata Articles created by Qbugbot Early Triassic first appearances