Aplococeras

Aplococeras is an evolute discoidal ceratitid ammonite from the Middle Triassic Ladinian stage, found in southern Europe and Nevada. Whorl sides are convex, converging on a rounded venter, and are ornamented with slightly flexuous umbilical ribs that disappear outwardly, towards the venter. The suture has two lateral lobes.

Aplococeras

Ghedoghedo · CC BY-SA 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
AplococeratidaePBDB
Diet
carnivorePBDB, for Ceratitida
Life habit
nektonicPBDB, for Ceratitida
Motility
actively mobilePBDB, for Ceratitida
Vision
well-developedPBDB, for Cephalopoda
Environment
marinePBDB, for Cephalopoda

Time the record covers

At most 14 million years on record.

Every occurrence read is dated to somewhere between 250.8 Mya and 237 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Early Triassic — about 0 of 78 occurrencesEarly TriassicMiddle Triassic — about 78 of 78 occurrencesMiddle TriassicLate Triassic — about 0 of 78 occurrences251–250 Mya — about 0.1 occurrences250–250 Mya — about 0.1 occurrences250–249 Mya — about 0.1 occurrences249–249 Mya — about 0.1 occurrences249–248 Mya — about 0.1 occurrences248–248 Mya — about 0.1 occurrences248–247 Mya — about 0.1 occurrences247–247 Mya — about 0.1 occurrences247–246 Mya — about 0.2 occurrences246–246 Mya — about 0.2 occurrences246–245 Mya — about 0.2 occurrences245–245 Mya — about 0.2 occurrences245–244 Mya — about 0.2 occurrences244–244 Mya — about 0.2 occurrences244–243 Mya — about 1 occurrence243–243 Mya — about 17 occurrences243–242 Mya — about 17 occurrences242–242 Mya — about 17 occurrences242–241 Mya — about 16 occurrences241–241 Mya — about 2 occurrences241–240 Mya — about 2 occurrences240–240 Mya — about 2 occurrences240–239 Mya — about 2 occurrences239–239 Mya — about 0.7 occurrences239–238 Mya — about 0.7 occurrences238–238 Mya — about 0.7 occurrences238–237 Mya — about 0.7 occurrences237–237 Mya — about 0.6 occurrences251.3 Mya236.5 Mya

78 occurrences of Aplococeras on record, most of them in the Middle Triassic. 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

78 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

Prida — 40.28°N, 118.08°WEsino — 45.91°N, 9.69°EBuchenstein — 45.82°N, 10.47°EBuchenstein — 46.57°N, 11.67°EVászoly — 46.96°N, 17.71°EVászoly — 47.07°N, 17.97°EVászoly — 46.91°N, 17.70°ESan Salvatore — 45.87°N, 8.80°EBesano — 45.91°N, 8.95°ELatemar — 46.36°N, 11.56°ELatemar — 46.35°N, 11.63°EVaszoly — 47.02°N, 17.94°EQieerma — 37.49°N, 99.38°ECataloi — 45.10°N, 28.73°EMarmolada — 46.48°N, 12.06°EDorgicse — 46.93°N, 17.78°EMarmolata — 46.45°N, 11.87°EWengen — 46.55°N, 11.87°EChaiburi — 7.62°N, 100.08°ERaibl — 46.44°N, 13.57°ESciliar — 46.45°N, 11.86°E

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The named rock units Aplococeras has been recovered from, largest first. Drawn where the rock is now, not where it formed. 13 occurrences have no formation on record, which is common for older literature.

Aplococeras and its relatives

Middle Triassic

Where Aplococeras and its relatives were recorded in the Middle Triassic.

Found in the same rock

325 taxa

The Paleobiology Database records 74 sites for Aplococeras, 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

20 references

Each of the 78 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. 8 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 Aplococeras

Credit
Ghedoghedo
Licence
CC BY-SA 3.0
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 itAplococeratidae through timeFormations of the Middle TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Hyatt 1900