Chironominae

Chironominae is a subfamily of midges in the non-biting midge family (Chironomidae).

Chironominae

Uncredited · Attribution · 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
Sits inside
ChironomidaePBDB
Motility
actively mobilePBDB, for Arthropoda
Environment
terrestrialPBDB, for Insecta

Time the record covers

At least 93 million years on record.

The record covers at least 93.9 Mya to 11.7 ka. No occurrence read is dated outside 100.5 Mya to 0 Mya.

Early Cretaceous — about 0 of 176 occurrencesLate Cretaceous — about 3 of 176 occurrencesLate CretaceousPaleocene — about 0 of 176 occurrencesEocene — about 116 of 176 occurrencesEoceneOligocene — about 15 of 176 occurrencesOligoceneMiocene — about 7 of 176 occurrencesMiocenePliocene — about 5 of 176 occurrencesPleistocene — about 24 of 176 occurrences103–99 Mya — about 0.2 occurrences99–96 Mya — about 0.5 occurrences96–92 Mya — about 0.3 occurrences89–85 Mya — about 0.3 occurrences85–82 Mya — about 2 occurrences58–55 Mya — about 6 occurrences55–51 Mya — about 14 occurrences51–48 Mya — about 16 occurrences48–44 Mya — about 3 occurrences44–41 Mya — about 1 occurrence41–38 Mya — about 2 occurrences38–34 Mya — about 68 occurrences34–31 Mya — about 7 occurrences31–27 Mya — about 2 occurrences27–24 Mya — about 10 occurrences24–21 Mya — about 5 occurrences21–17 Mya — about 0.1 occurrences17–14 Mya — about 0.5 occurrences14–10 Mya — about 3 occurrences6.8–3.4 Mya — about 3 occurrences3.4–0 Mya — about 32 occurrences93.9 Mya11.7 ka103 Mya0 Mya

176 occurrences of Chironominae on record, most of them in the Eocene. The Paleobiology Database records this as a living group. 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

176 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

15 formations

Florissant — 38.92°N, 105.28°WRott — 50.75°N, 7.26°EKap København — 82.45°N, 24.10°WKap København — 82.32°N, 23.85°WArgiles d'lignite du Soissonnais — 49.33°N, 2.66°EGreen River — 39.00°N, 108.00°WGreen River — 41.56°N, 109.55°WGreen River — 41.55°N, 109.51°WBouldnor — 50.74°N, 1.36°WUpper Freshwater-Molasse — 47.67°N, 8.93°ENiveau du gypse d'Aix — 43.52°N, 5.45°ERita Blanca — 35.71°N, 102.45°WKishenehn — 48.39°N, 113.70°WFoulden Hills Diatomite — 45.53°S, 170.22°ECampagne-Calavon — 43.85°N, 5.58°EKheta — 71.31°N, 99.56°ESalt — 47.69°N, 7.53°ENagano — 31.88°N, 130.34°E

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The named rock units Chironominae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 111 occurrences have no formation on record, which is common for older literature.

Chironominae and its relatives

Eocene

Where Chironominae and its relatives were recorded in the Eocene.

Found in the same rock

3,872 taxa

The Paleobiology Database records 60 sites for Chironominae, and this reads all of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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

49 references

Each of the 176 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. 37 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 Chironominae

Credit
nobody named on the record
Licence
Attribution
Commercial use
cannot be read from the licence given — check the record

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

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 itChironomidae through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Macquart 1838