Kosmoceras

Kosmoceras is a moderately evolute ammonite genus from the upper Callovian of Europe with a simple aperture and irregular ribbing interrupted by an irregular row of lateral tubercles. Strong ventral tubercles are separated by a smooth depression running along the rim.

Kosmoceras

Ag.Ent · CC BY 3.0 · 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
KosmoceratinaePBDB
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 24 million years on record.

The record covers at least 161.5 Mya to 137.05 Mya. No occurrence read is dated outside 201.4 Mya to 132.6 Mya.

Late Triassic — about 0 of 61 occurrencesEarly Jurassic — about 0 of 61 occurrencesEarly JurassicMiddle Jurassic — about 51 of 61 occurrencesMiddle JurassicLate Jurassic — about 9 of 61 occurrencesLate JurassicEarly Cretaceous — about 1 of 61 occurrencesEarly Cretaceous203–200 Mya — about 0.0 occurrences200–198 Mya — about 0.0 occurrences198–196 Mya — about 0.0 occurrences196–193 Mya — about 0.0 occurrences193–191 Mya — about 0.0 occurrences191–188 Mya — about 0.0 occurrences188–186 Mya — about 0.0 occurrences186–184 Mya — about 0.0 occurrences184–181 Mya — about 0.0 occurrences181–179 Mya — about 0.0 occurrences179–177 Mya — about 0.0 occurrences177–174 Mya — about 0.0 occurrences174–172 Mya — about 0.0 occurrences172–169 Mya — about 0.0 occurrences169–167 Mya — about 0.0 occurrences167–165 Mya — about 9 occurrences165–162 Mya — about 32 occurrences162–160 Mya — about 13 occurrences160–157 Mya — about 2 occurrences157–155 Mya — about 1 occurrence155–153 Mya — about 0.7 occurrences153–150 Mya — about 0.5 occurrences150–148 Mya — about 0.3 occurrences148–146 Mya — about 0.1 occurrences146–143 Mya — about 0.1 occurrences143–141 Mya — about 0.0 occurrences138–136 Mya — about 0.2 occurrences136–134 Mya — about 0.5 occurrences134–131 Mya — about 0.2 occurrences161.5 Mya137.05 Mya203 Mya131 Mya

61 occurrences of Kosmoceras 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

61 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

10 formations

"Sengenthal" — 49.23°N, 11.47°EStaffin Shale — 57.65°N, 6.24°WOxford Clay — 51.75°N, 1.18°WOxford Clay — 52.60°N, 0.21°WGerpigem — 44.27°N, 40.17°EGerpigem — 44.08°N, 40.93°EGerpigem — 44.08°N, 40.95°EOgrodzieniec Glauconitic Marl — 50.46°N, 19.52°ECroûte ferrugineuse — 46.65°N, 4.87°EMarnes jaunes — 46.65°N, 4.87°EChinitna — 59.66°N, 153.40°WCerritos Bayos — 22.56°S, 69.14°WGerpigem- Mezmayskaya — 44.13°N, 40.80°E

Loading coastlines…

The named rock units Kosmoceras has been recovered from, largest first. Drawn where the rock is now, not where it formed. 26 occurrences have no formation on record, which is common for older literature.

Found in the same rock

318 taxa

The Paleobiology Database records 45 sites for Kosmoceras, 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

16 references

Each of the 61 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. 4 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 content2

Picture of Kosmoceras

Credit
Ag.Ent
Licence
CC BY 3.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Licence
CC Attribution
Commercial use
cannot be read from the licence given — check the record

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 itKosmoceratinae through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Waagen 1869