Placozygus sigmoides

No picture of Placozygus sigmoides was found. Wikidata, iDigBio and Smithsonian Open Access were searched and had none. Wikipedia did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Placozygus sigmoides, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
PlacozygusPBDB
Diet
"photoautotroph"PBDB, for Haptophyta
Life habit
planktonic, depth=surfacePBDB, for Haptophyta
Motility
passively mobilePBDB, for Haptophyta
Environment
oceanic,oligotrophic,marine,brackishPBDB, for Haptophyta

Time the record covers

At least 6.2 million years on record.

The record covers at least 72.2 Mya to 66 Mya. No occurrence read is dated outside 143.1 Mya to 61.66 Mya.

Late Jurassic — about 0 of 19 occurrencesEarly Cretaceous — about 1 of 19 occurrencesEarly CretaceousLate Cretaceous — about 8 of 19 occurrencesLate CretaceousPaleocene — about 10 of 19 occurrences145–142 Mya — about 0.0 occurrences142–139 Mya — about 0.0 occurrences139–136 Mya — about 0.0 occurrences136–133 Mya — about 0.0 occurrences133–131 Mya — about 0.0 occurrences131–128 Mya — about 0.0 occurrences128–125 Mya — about 0.0 occurrences125–122 Mya — about 0.0 occurrences122–119 Mya — about 0.0 occurrences119–116 Mya — about 0.0 occurrences116–114 Mya — about 0.0 occurrences114–111 Mya — about 0.0 occurrences111–108 Mya — about 0.0 occurrences108–105 Mya — about 0.0 occurrences105–102 Mya — about 0.0 occurrences102–100 Mya — about 0.0 occurrences100–97 Mya — about 0.0 occurrences97–94 Mya — about 0.0 occurrences94–91 Mya — about 0.0 occurrences91–88 Mya — about 0.0 occurrences88–85 Mya — about 0.0 occurrences85–83 Mya — about 0.1 occurrences83–80 Mya — about 0.3 occurrences80–77 Mya — about 0.3 occurrences77–74 Mya — about 0.3 occurrences74–71 Mya — about 1 occurrence71–69 Mya — about 3 occurrences69–66 Mya — about 4 occurrences66–63 Mya — about 7 occurrences63–60 Mya — about 3 occurrences72.2 Mya – 66 Mya145 Mya60 Mya

19 occurrences of Placozygus sigmoides on record. 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

19 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

6 formations

Jagüel — 39.86°S, 67.62°WJagüel — 39.86°S, 66.62°WJagüel — 39.20°S, 67.38°WJagüel — 38.10°S, 68.38°WPedro Luro — 39.50°S, 62.68°WCampo Bola — 51.74°S, 69.17°WPaleocene subsurface — 42.48°S, 63.62°WAvezac — 43.67°N, 1.11°WPedro Luro — 39.71°S, 61.04°W

Loading coastlines…

The named rock units Placozygus sigmoides has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Found in the same rock

178 taxa

The Paleobiology Database records 19 sites for Placozygus sigmoides, 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

7 references

Each of the 19 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 content0

No picture of Placozygus sigmoides was found. Wikidata, iDigBio and Smithsonian Open Access were searched and had none.

Wikipedia did not answer, so this is what the others held rather than everything there is.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Placozygus sigmoides, or no answer at all. This entry cannot say which.

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

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

Keep going

What may have been alongside itPlacozygus through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Romein 1979