Borissjakoceras

No picture of Borissjakoceras 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 Borissjakoceras, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
BinneyitidaePBDB
Diet
carnivorePBDB, for Ammonoidea
Life habit
nektonicPBDB, for Ammonoidea
Motility
fast-movingPBDB, for Ammonoidea
Vision
well-developedPBDB, for Cephalopoda
Environment
marinePBDB, for Cephalopoda

Time the record covers

At least 10 million years on record.

The record covers at least 100.5 Mya to 89.8 Mya. No occurrence read is dated outside 106.3 Mya to 83.6 Mya.

Early Cretaceous — about 2 of 42 occurrencesEarly CretaceousLate Cretaceous — about 40 of 42 occurrencesLate Cretaceous107–106 Mya — about 0.1 occurrences106–105 Mya — about 0.3 occurrences105–104 Mya — about 0.3 occurrences104–104 Mya — about 0.3 occurrences104–103 Mya — about 0.3 occurrences103–102 Mya — about 0.3 occurrences102–101 Mya — about 0.3 occurrences101–100 Mya — about 0.3 occurrences100–100 Mya — about 3 occurrences100–99 Mya — about 3 occurrences99–98 Mya — about 3 occurrences98–97 Mya — about 3 occurrences97–97 Mya — about 3 occurrences97–96 Mya — about 3 occurrences96–95 Mya — about 3 occurrences95–94 Mya — about 3 occurrences94–93 Mya — about 2 occurrences93–93 Mya — about 2 occurrences93–92 Mya — about 2 occurrences92–91 Mya — about 2 occurrences91–90 Mya — about 2 occurrences90–89 Mya — about 2 occurrences89–89 Mya — about 0.8 occurrences89–88 Mya — about 0.8 occurrences88–87 Mya — about 0.8 occurrences87–86 Mya — about 0.8 occurrences86–85 Mya — about 0.6 occurrences85–85 Mya — about 0.1 occurrences85–84 Mya — about 0.1 occurrences84–83 Mya — about 0.0 occurrences100.5 Mya89.8 Mya106.8 Mya83.1 Mya

42 occurrences of Borissjakoceras 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

42 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

18 formations

Seabee — 69.25°N, 153.82°WSeabee — 68.84°N, 150.55°WSeabee — 69.35°N, 154.07°WSeabee — 69.32°N, 153.84°WSeabee — 69.32°N, 154.04°WSeabee — 68.83°N, 151.39°WSeabee — 69.04°N, 152.07°WBelle Fourche — 44.15°N, 104.71°WBelle Fourche — 45.05°N, 104.45°WBelle Fourche — 44.06°N, 104.63°WBelle Fourche — 44.28°N, 104.78°WMancos Shale — 36.35°N, 109.82°WMancos Shale — 35.73°N, 110.82°WGreenhorn Limestone — 43.27°N, 103.22°WGreenhorn Limestone — 38.20°N, 104.70°WGreenhorn — 45.02°N, 104.30°WGreenhorn — 44.05°N, 104.60°WBelle Fourche Shale — 45.07°N, 104.53°WBelle Fourche Shale — 43.10°N, 104.28°WShaftesbury — 57.53°N, 111.92°WGraneros Shale — 38.12°N, 104.87°WGraneros Shale — 38.78°N, 98.47°WFrontier — 45.00°N, 107.53°WFrontier — 44.16°N, 106.78°WEagle Ford — 32.70°N, 97.45°WMoonkinu — 11.80°S, 130.40°EBuda Limestone — 30.71°N, 104.77°WBelfast Mudstone — 38.97°S, 143.53°ETambo — 27.43°S, 135.29°EDorozhovskaya — 71.45°N, 89.25°ECraie Glauconieuse — 49.08°N, 0.50°EDorozhkovo — 70.12°N, 86.75°ECarlile Shale — 39.30°N, 98.44°W

Loading coastlines…

The named rock units Borissjakoceras has been recovered from, largest first. Drawn where the rock is now, not where it formed. 6 occurrences have no formation on record, which is common for older literature.

Borissjakoceras and its relatives

Late Cretaceous

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

Found in the same rock

194 taxa

The Paleobiology Database records 41 sites for Borissjakoceras, 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

19 references

Each of the 42 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. 7 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 content0

No picture of Borissjakoceras 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 Borissjakoceras, or no answer at all. This entry cannot say which.

No 3D scan of Borissjakoceras 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.

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

Keep going

What may have been alongside itBinneyitidae through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Arkhangel'skii 1916