Sergentia
Sergentia is a genus of non-biting midges in the family Chironomidae. There are about 11 described species in Sergentia. They are found primarily in northern Europe, but also in North America, Asia, and Africa.
James K. Lindsey · 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- Sits inside
- ChironomidaePBDB
- Motility
- actively mobilePBDB, for Arthropoda
- Environment
- terrestrialPBDB, for Insecta
Time the record covers
At most 118 thousand years on record.
Every occurrence read is dated to somewhere between 129 ka and 11.7 ka, and nothing in the dating separates them, so that window is what the record shows rather than a span.
2 occurrences of Sergentia on record, most of them in the Pleistocene. 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
2 occurrences- Pleistocene100%
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.
Sergentia and its relatives
PleistoceneWhere Sergentia and its relatives were recorded in the Pleistocene.
Found in the same rock
44 taxa- Bembidion (Bracteon) balli2 sites
- Candona2 sites
- Candona neglecta2 sites
- Chironomidae2 sites
- Chironomus2 sites
- Cryptochironomus2 sites
- Cyclocypris2 sites
- Dicrotendipes2 sites
- Fossaria2 sites
- Glyptotendipes2 sites
- Gyraulus2 sites
- Heterocypris2 sites
- Isoetes lacustris2 sites
- Limnephilidae2 sites
- Limnocythere2 sites
- Orthocladiinae2 sites
- Phryganeidae2 sites
- Pisidium2 sites
- Pisidium casertanum2 sites
- Potamogeton2 sites
- Procladius2 sites
- Psectrocladius2 sites
- Ranunculus2 sites
- Tanytarsina2 sites
The Paleobiology Database records 2 sites for Sergentia, 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
1 referenceEach of the 2 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. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1
Picture of Sergentia
- Source
- Wikipedia/Commons
- Credit
- James K. Lindsey
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
No 3D scan of Sergentia was found in Sketchfab.
Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- Source
- Wikipedia, “Sergentia”
- 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 PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Kieffer 1922