Plesiospitidiscus
via GBIF · CC BY 4.0 · via GBIF. 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
- BarremitinaePBDB
- 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 most 12 million years on record.
Every occurrence read is dated to somewhere between 132.6 Mya and 121.4 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
75 occurrences of Plesiospitidiscus on record, most of them in the Early 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
75 occurrences- Early Cretaceous100%
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
7 formations
- El Mergueb Formation · M' Chergua Group20
- Maiolica Formation16
- Bersek Marl Formation8
- Labatlan Sandstone Formation3
- Kaliste Formation1
- Gaita Formation1
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The named rock units Plesiospitidiscus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 25 occurrences have no formation on record, which is common for older literature.
Plesiospitidiscus and its relatives
Early CretaceousWhere Plesiospitidiscus and its relatives were recorded in the Early Cretaceous.
Found in the same rock
169 taxa- Phyllopachyceras infundibulum23 sites
- Crioceratites18 sites
- Euphylloceras thetys14 sites
- Lytoceras14 sites
- Paraspiticeras14 sites
- Lytoceras subfimbriatum12 sites
- Abrytusites neumayri11 sites
- Anahamulina11 sites
- Crioceratites duvalii11 sites
- Phylloceras11 sites
- Phyllopachyceras winkleri10 sites
- Discoidellia vermeuleni9 sites
- Neolissoceras9 sites
- Neolissoceras grasianum9 sites
- Acrioceras meriani8 sites
- Pseudothurmannia mortilleti8 sites
- Crioceratites (Emericiceras) thiollierei7 sites
- Barremites6 sites
- Crioceratites krenkeli6 sites
- Discoidellia pseudobertrandi6 sites
- Hibolithes jaculiformis6 sites
- Pseudothurmannia6 sites
- Pseudothurmannia sarasini6 sites
- Psilotissotia (Psilotissotia) apenninica6 sites
The Paleobiology Database records 48 sites for Plesiospitidiscus, 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
13 references- Ammonoid and foraminiferal biostratigraphy from uppermost Valanginian to lowermost Barremian of the Jebel Boulahouajeb section (northern Tunisia)20
- Ammonite biostratigraphy of the uppermost Hauterivian in the Betic Cordillera (SE Spain)13
- Latest Hauterivian (Early Cretaceous) ammonites from Umbria-Marche Apennines (central Italy)13
- Integrated Lower Cretaceous biostratigraphy of the Bersek Quarry, Gerecse Mountains, Transdanubian Range. Hungary11
- Le Crétacé inférieur de l'arc subalpin de Castellane entre l'Asse et le Var: Stratigraphy et Sédimentologie8
- The stratigraphic position of the ammonite bearing limestone bank of the Marvany-banya quarry (Zirc, Bakony Mts, Hungary) and the age of the Borzavar Limestone Formation2
- The Hauterivian ammonite succession in the Central Apennines, Maiolica formation (Petrano Mt., Cagli). Preliminary results2
- Barremian pyritic ammonites from the western External Rif (northwest Morocco)1
- Lower Cretaceous (Hauterivian-Albian) ammonite biostratigraphy in the Maestrat Basin (E Spain)1
- Ammonoids (Desmoceratoidea and Silesitoidea) from the Late Barremian of Boljetin, eastern Serbia1
- Hauterivian-Barremian chronostratigraphy based on ammonites, nannofossils, planktonic foraminifera and magnetic chrons from the Mediterranean domain1
- Lower Cretaceous Stratigraphy and Paleogeography of the Czechoslovakian Western Carpathians1
Each of the 75 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. 1 further reference is 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 Plesiospitidiscus
- Source
- GBIF
- Credit
- via GBIF
- Licence
- CC BY 4.0
- Commercial use
- the licence allows it
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itBarremitinae through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0.