Micropycnodon

Micropycnodon is an extinct genus of prehistoric ray-finned fish that lived during the Santonian.

No picture of Micropycnodon was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access 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 Micropycnodon, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
MesturidaePBDB
Diet
durophage, carnivorePBDB, for Pycnodontiformes
Life habit
nektonicPBDB, for Pycnodontiformes
Motility
actively mobilePBDB, for Pycnodontiformes

Time the record covers

At least 53 million years on record.

The record covers at least 137.05 Mya to 83.6 Mya. No occurrence read is dated outside 143.1 Mya to 72.2 Mya.

Late Jurassic — about 0 of 13 occurrencesEarly Cretaceous — about 1 of 13 occurrencesEarly CretaceousLate Cretaceous — about 12 of 13 occurrencesLate Cretaceous145–142 Mya — about 0.2 occurrences142–140 Mya — about 0.4 occurrences140–137 Mya — about 0.4 occurrences137–135 Mya — about 0.0 occurrences103–100 Mya — about 0.2 occurrences100–98 Mya — about 2 occurrences98–95 Mya — about 2 occurrences95–93 Mya — about 2 occurrences93–90 Mya — about 2 occurrences90–88 Mya — about 1 occurrence88–86 Mya — about 0.7 occurrences86–83 Mya — about 0.4 occurrences83–81 Mya — about 0.4 occurrences81–78 Mya — about 0.4 occurrences78–76 Mya — about 0.4 occurrences76–73 Mya — about 0.4 occurrences73–71 Mya — about 0.2 occurrences137.05 Mya83.6 Mya145 Mya71 Mya

13 occurrences of Micropycnodon on record, most of them in the Late Cretaceous. 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

13 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

7 formations

Greenhorn Limestone — 37.22°N, 103.60°WGreenhorn Limestone — 37.69°N, 103.94°WGreenhorn Limestone — 37.46°N, 103.05°WGreenhorn Limestone — 38.87°N, 98.51°WCarlile Shale — 39.78°N, 98.15°WCarlile Shale — 42.74°N, 97.03°WAshville — 53.48°N, 102.24°WMishash — 30.67°N, 35.08°EStraight Cliffs — 37.80°N, 111.50°WEutaw — 32.77°N, 87.87°WTres Hermanos — 34.31°N, 106.74°W

Loading coastlines…

The named rock units Micropycnodon has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.

Micropycnodon and its relatives

Late Cretaceous

Where Micropycnodon and its relatives were recorded in the Late Cretaceous.

Found in the same rock

225 taxa

The Paleobiology Database records 13 sites for Micropycnodon, 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

13 references

Each of the 13 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. 1 further reference is 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 content0

No picture of Micropycnodon was found. Wikipedia, Wikidata and iDigBio were searched and had none.

Smithsonian Open Access 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 Micropycnodon, or no answer at all. This entry cannot say which.

No 3D scan of Micropycnodon 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 itMesturidae through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Hibbard and Graffham 1945