Cydnidae

Cydnidae are a family of pentatomoid bugs, known by common names including burrowing bugs or burrower bugs. As the common name would suggest, many members of the group live a subterranean lifestyle, burrowing into soil using their head and forelegs, only emerging to mate and then laying their eggs in soil. Other members of the group are not burrowers, and live above the soil layer, often in close association with plants. Several species are known as agricultural pests.

Cydnidae

Didier Descouens · CC BY-SA 3.0 · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Also called
burrowing bugPBDB
Sits inside
PentatomoideaPBDB
Motility
actively mobilePBDB, for Arthropoda
Environment
terrestrialPBDB, for Insecta

Time the record covers

At least 123 million years on record.

The record covers at least 125.77 Mya to 2.58 Mya. No occurrence read is dated outside 132.6 Mya to 1.8 Mya.

Early Cretaceous — about 11 of 145 occurrencesEarly CretaceousLate Cretaceous — about 8 of 145 occurrencesLate CretaceousPaleocene — about 0 of 145 occurrencesEocene — about 43 of 145 occurrencesEoceneOligocene — about 53 of 145 occurrencesMiocene — about 28 of 145 occurrencesMiocenePliocene — about 1 of 145 occurrencesPleistocene — about 1 of 145 occurrences135–131 Mya — about 0.3 occurrences131–126 Mya — about 0.7 occurrences126–122 Mya — about 2 occurrences122–117 Mya — about 4 occurrences117–113 Mya — about 4 occurrences104–99 Mya — about 2 occurrences99–95 Mya — about 5 occurrences95–90 Mya — about 0.9 occurrences59–54 Mya — about 0.7 occurrences54–50 Mya — about 3 occurrences50–45 Mya — about 10 occurrences45–41 Mya — about 6 occurrences41–36 Mya — about 8 occurrences36–32 Mya — about 28 occurrences32–27 Mya — about 24 occurrences27–23 Mya — about 17 occurrences23–18 Mya — about 5 occurrences18–14 Mya — about 6 occurrences14–9.0 Mya — about 17 occurrences4.5–0 Mya — about 2 occurrences125.77 Mya2.58 Mya135 Mya0 Mya

145 occurrences of Cydnidae on record, most of them in the Oligocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

145 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Found in

24 formations

Florissant — 38.92°N, 105.28°WNiveau du gypse d'Aix — 43.52°N, 5.45°ESalt — 47.69°N, 7.53°EUpper Freshwater-Molasse — 47.67°N, 8.93°EEifel — 50.10°N, 6.84°EGreen River — 41.56°N, 109.55°WGreen River — 41.55°N, 109.51°WGurvan-Eren — 48.07°N, 91.65°EGurvan-Eren — 46.38°N, 93.95°ERott — 50.75°N, 7.26°EMessel — 49.93°N, 8.75°EHydrobienkalk — 50.04°N, 8.24°ECodo — 5.40°S, 45.11°WCypris — 50.08°N, 12.54°ECypris — 50.12°N, 12.35°EYixian — 41.62°N, 120.83°EBouldnor — 50.74°N, 1.36°WTranquille — 50.13°N, 120.51°WCampagne-Calavon — 43.85°N, 5.58°ELa Toca — 19.55°N, 70.61°WRenova — 45.21°N, 112.18°WDaya — 51.88°N, 117.43°EØlst — 56.90°N, 8.75°ELondon Clay — 51.37°N, 1.13°ECrato — 7.13°S, 39.70°WLakšárska Nová Ves — 48.59°N, 17.40°ECockfield — 36.41°N, 88.17°W

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The named rock units Cydnidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 50 occurrences have no formation on record, which is common for older literature.

Cydnidae and its relatives

Oligocene

Where Cydnidae and its relatives were recorded in the Oligocene.

Found in the same rock

3,680 taxa

The Paleobiology Database records 66 sites for Cydnidae, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

39 references

Each of the 145 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. 27 further references are not listed. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content1

Picture of Cydnidae

Credit
Didier Descouens
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Cydnidae was found in MorphoSource and Sketchfab.

Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itPentatomoidea through timeFormations of the OligoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Billberg 1820)