Entomobrya

Entomobrya is a genus of slender springtails in the family Entomobryidae. There are at least 270 described species in Entomobrya.

Entomobrya

Andy Murray · CC BY-SA 2.0 · 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
EntomobryinaePBDB
Motility
actively mobilePBDB, for Arthropoda
Environment
terrestrialPBDB, for Collembola

Time the record covers

At least 17 million years on record.

The record covers at least 33.9 Mya to 15.98 Mya. No occurrence read is dated outside 37.71 Mya to 13.82 Mya.

Eocene — about 30 of 50 occurrencesEoceneOligocene — about 0 of 50 occurrencesMiocene — about 20 of 50 occurrencesMiocene38–37 Mya — about 3 occurrences37–37 Mya — about 7 occurrences37–36 Mya — about 7 occurrences36–35 Mya — about 7 occurrences35–34 Mya — about 7 occurrences34–33 Mya — about 1 occurrence23–22 Mya — about 1 occurrence22–22 Mya — about 2 occurrences22–21 Mya — about 2 occurrences21–20 Mya — about 2 occurrences20–19 Mya — about 2 occurrences19–18 Mya — about 2 occurrences18–17 Mya — about 3 occurrences17–17 Mya — about 3 occurrences17–16 Mya — about 2 occurrences16–15 Mya — about 0.4 occurrences15–14 Mya — about 0.4 occurrences14–13 Mya — about 0.2 occurrences33.9 Mya15.98 Mya38.2 Mya13.3 Mya

50 occurrences of Entomobrya on record. 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

50 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

2 formations

Barstow — 34.95°N, 116.83°WBarstow — 34.94°N, 116.83°WMazantic Shale — 17.15°N, 92.72°W

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The named rock units Entomobrya has been recovered from, largest first. Drawn where the rock is now, not where it formed. 44 occurrences have no formation on record, which is common for older literature.

Found in the same rock

1,841 taxa

The Paleobiology Database records 19 sites for Entomobrya, 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

9 references

Each of the 50 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. 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 Entomobrya

Credit
Andy Murray
Licence
CC BY-SA 2.0
Commercial use
the licence allows it

No 3D scan of Entomobrya 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 itEntomobryinae through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Rondani 1861