Anaxyelidae

Anaxyelidae is a family of incense cedar wood wasps in the order Hymenoptera. It contains only one living genus, Syntexis, which has only a single species, native to Western North America. Fossils of the family extend back to the Middle Jurassic, belonging to over a dozen extinct genera, with a particularly high diversity during the Early Cretaceous. Syntexis lay eggs in the sapwood of conifers, preferring recently burnt wood.

Anaxyelidae

Uncredited · 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
SiricoideaPBDB
Motility
actively mobilePBDB, for Arthropoda
Environment
terrestrialPBDB, for Insecta

Time the record covers

At least 71 million years on record.

The record covers at least 154.8 Mya to 83.6 Mya. No occurrence read is dated outside 165.3 Mya to 72.2 Mya.

Middle Jurassic — about 4 of 76 occurrencesLate Jurassic — about 35 of 76 occurrencesLate JurassicEarly Cretaceous — about 28 of 76 occurrencesEarly CretaceousLate Cretaceous — about 9 of 76 occurrencesLate Cretaceous167–164 Mya — about 1 occurrence164–161 Mya — about 3 occurrences161–157 Mya — about 3 occurrences157–154 Mya — about 5 occurrences154–151 Mya — about 16 occurrences151–148 Mya — about 9 occurrences148–145 Mya — about 0.5 occurrences145–141 Mya — about 1 occurrence141–138 Mya — about 0.6 occurrences138–135 Mya — about 0.4 occurrences135–132 Mya — about 0.4 occurrences132–128 Mya — about 0.4 occurrences128–125 Mya — about 1 occurrence125–122 Mya — about 6 occurrences122–119 Mya — about 7 occurrences119–116 Mya — about 6 occurrences116–112 Mya — about 4 occurrences109–106 Mya — about 0.1 occurrences106–103 Mya — about 0.6 occurrences103–99 Mya — about 2 occurrences99–96 Mya — about 4 occurrences96–93 Mya — about 3 occurrences86–83 Mya — about 0.0 occurrences83–80 Mya — about 0.3 occurrences80–77 Mya — about 0.3 occurrences77–74 Mya — about 0.3 occurrences74–70 Mya — about 0.1 occurrences154.8 Mya83.6 Mya167 Mya70 Mya

76 occurrences of Anaxyelidae on record, most of them in the Late Jurassic. 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

76 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

12 formations

Karabastau — 42.69°N, 70.41°EKarabastau — 42.90°N, 70.00°EDaohugou — 41.32°N, 119.24°EZaza — 53.30°N, 112.09°EYixian — 41.62°N, 120.83°EKhaya — 62.16°N, 118.60°Ela Pedrera de Rubies — 42.01°N, 0.96°EDzun-Bain — 45.45°N, 99.13°ELulworth — 50.60°N, 1.95°WEscucha — 42.64°N, 2.72°WTurga — 50.83°N, 116.19°EOla — 60.17°N, 150.49°EUlaan-Ereg — 45.59°N, 107.79°E

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The named rock units Anaxyelidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 13 occurrences have no formation on record, which is common for older literature.

Anaxyelidae and its relatives

Late Jurassic

Where Anaxyelidae and its relatives were recorded in the Late Jurassic.

Found in the same rock

3,279 taxa

The Paleobiology Database records 30 sites for Anaxyelidae, 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

23 references

Each of the 76 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. 11 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 Anaxyelidae

Credit
nobody named on the record
Licence
not stated by the source
Commercial use
cannot be read from the licence given — check the record

No 3D scan of Anaxyelidae 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

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 itSiricoidea through timeFormations of the Late JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Martynov 1925