Placodus gigas

Placodus gigas

Agassiz, 1833 · CC BY-SA 4.0 · via Wikidata/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
PlacodusPBDB
Diet
durophagePBDB, for Placodontidae
Life habit
amphibiousPBDB, for Placodontidae
Motility
slow-movingPBDB, for Placodontidae
Vision
well-developedPBDB, for Placodontidae
Environment
marinePBDB, for Sauropterygia

Time the record covers

At least 1.9 million years on record.

The record covers at least 243.43 Mya to 241.464 Mya. No occurrence read is dated outside 247 Mya to 237 Mya.

Early Triassic — about 0 of 23 occurrencesMiddle Triassic — about 23 of 23 occurrencesMiddle TriassicLate Triassic — about 0 of 23 occurrences247–247 Mya — about 0.4 occurrences247–246 Mya — about 0.6 occurrences246–246 Mya — about 0.6 occurrences246–246 Mya — about 0.6 occurrences246–245 Mya — about 0.6 occurrences245–245 Mya — about 0.6 occurrences245–245 Mya — about 0.6 occurrences245–244 Mya — about 0.8 occurrences244–244 Mya — about 1.0 occurrences244–243 Mya — about 1.0 occurrences243–243 Mya — about 0.6 occurrences243–243 Mya — about 0.6 occurrences243–242 Mya — about 0.6 occurrences242–242 Mya — about 0.6 occurrences242–242 Mya — about 0.6 occurrences242–241 Mya — about 0.8 occurrences241–241 Mya — about 1 occurrence241–241 Mya — about 1 occurrence241–240 Mya — about 1 occurrence240–240 Mya — about 1 occurrence240–239 Mya — about 1 occurrence239–239 Mya — about 1 occurrence239–239 Mya — about 1 occurrence239–238 Mya — about 1 occurrence238–238 Mya — about 1 occurrence238–238 Mya — about 1 occurrence238–237 Mya — about 1 occurrence237–237 Mya — about 0.7 occurrences243.43 Mya241.464 Mya247.5 Mya236.5 Mya

23 occurrences of Placodus gigas 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

23 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

4 formations

Jena — 51.22°N, 11.77°EJena — 52.47°N, 13.78°ECalcare di Recoaro — 45.75°N, 11.12°ETrochitenkalk — 51.09°N, 11.63°EMuschelkalk — 51.37°N, 10.87°E

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The named rock units Placodus gigas has been recovered from, largest first. Drawn where the rock is now, not where it formed. 17 occurrences have no formation on record, which is common for older literature.

Placodus gigas and its relatives

Middle Triassic

Where Placodus gigas and its relatives were recorded in the Middle Triassic.

Found in the same rock

38 taxa

The Paleobiology Database records 22 sites for Placodus gigas, 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

5 references

Each of the 23 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. 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 Placodus gigas

Credit
Agassiz, 1833
Licence
CC BY-SA 4.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Licence
CC Attribution-NonCommercial-NoDerivs
Commercial use
the licence does not allow it

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 itPlacodus through timeFormations of the Middle TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Agassiz 1833