Peripetoceras

Peripetoceras is a genus in the Clydonautilacean family, Liroceratidae. It can be recognized by its smooth, involute shell with a deep small umbilicus with rounded shoulders and steep convex wall; whorl section with flattened venter, rounded ventral shoulders and convergent slightly convex flanks; suture with slight ventral and lateral lobes; and small siphuncle located dorsally of the center.

Peripetoceras

Ghedoghedo · CC BY-SA 4.0 · 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
LiroceratidaePBDB
Diet
carnivorePBDB, for Nautilida
Life habit
nektobenthicPBDB, for Nautilida
Motility
actively mobilePBDB, for Nautilida
Vision
well-developedPBDB, for Cephalopoda
Environment
marinePBDB, for Cephalopoda

Time the record covers

At least 76 million years on record.

The record covers at least 330.3 Mya to 254.14 Mya. No occurrence read is dated outside 335.9 Mya to 251.902 Mya.

Carboniferous — about 19 of 54 occurrencesCarboniferousPermian — about 35 of 54 occurrencesPermianEarly Triassic — about 0 of 54 occurrences338–335 Mya — about 0.3 occurrences335–332 Mya — about 0.8 occurrences332–329 Mya — about 1 occurrence329–326 Mya — about 2 occurrences326–323 Mya — about 2 occurrences323–320 Mya — about 0.4 occurrences320–317 Mya — about 0.4 occurrences317–314 Mya — about 0.5 occurrences314–311 Mya — about 0.8 occurrences311–308 Mya — about 3 occurrences308–306 Mya — about 1 occurrence306–303 Mya — about 3 occurrences303–300 Mya — about 3 occurrences300–297 Mya — about 0.9 occurrences291–288 Mya — about 0.3 occurrences288–285 Mya — about 0.4 occurrences285–282 Mya — about 0.3 occurrences276–274 Mya — about 0.5 occurrences274–271 Mya — about 2 occurrences271–268 Mya — about 2 occurrences268–265 Mya — about 0.4 occurrences262–259 Mya — about 4 occurrences259–256 Mya — about 13 occurrences256–253 Mya — about 11 occurrences253–250 Mya — about 3 occurrences330.3 Mya254.14 Mya338 Mya250 Mya

54 occurrences of Peripetoceras on record, most of them in the Permian. 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

54 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

17 formations

Ford — 54.91°N, 1.43°WFord — 54.83°N, 1.37°WFord — 55.05°N, 1.44°WFord — 54.74°N, 1.27°WBellerophon — 46.57°N, 11.73°EKupferschiefer — 52.23°N, 7.96°EGraham — 33.19°N, 98.11°WGraham — 33.27°N, 98.11°WWolf Mountain — 33.22°N, 97.82°WZechstein — 50.89°N, 12.16°EZechstein — 50.88°N, 12.08°EKazan — 57.47°N, 49.08°EImo — 35.82°N, 92.55°WImo — 35.77°N, 92.44°WPhosphoria — 42.97°N, 106.78°WAtoka — 35.45°N, 94.35°WFayetteville — 35.85°N, 94.44°WNemda — 56.53°N, 48.66°ESteshev — 54.88°N, 37.44°ELost Branch — 36.34°N, 95.83°WMospyne — 48.24°N, 39.34°EKamenskaya — 48.42°N, 39.21°EJulfa — 39.01°N, 45.43°E

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The named rock units Peripetoceras has been recovered from, largest first. Drawn where the rock is now, not where it formed. 8 occurrences have no formation on record, which is common for older literature.

Peripetoceras and its relatives

Permian

Where Peripetoceras and its relatives were recorded in the Permian.

Found in the same rock

451 taxa

The Paleobiology Database records 49 sites for Peripetoceras, 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

22 references

Each of the 54 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. 10 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 Peripetoceras

Credit
Ghedoghedo
Licence
CC BY-SA 4.0
Commercial use
the licence allows it

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

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 itLiroceratidae through timeFormations of the PermianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Hyatt 1894