Dichotomites (Dichotomites) bidichotomus
Searched as Dichotomites bidichotomus. The Paleobiology Database treats Dichotomites (Dichotomites) bidichotomus as the accepted name.
No picture of Dichotomites (Dichotomites) bidichotomus was found. Wikidata and iDigBio were searched and had none. Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Dichotomites (Dichotomites) bidichotomus, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- Dichotomites (Dichotomites)PBDB
- 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 4.5 million years on record.
Every occurrence read is dated to somewhere between 137.05 Mya and 132.6 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
12 occurrences of Dichotomites (Dichotomites) bidichotomus 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
12 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
2 formations
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The named rock units Dichotomites (Dichotomites) bidichotomus 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.
Dichotomites (Dichotomites) bidichotomus and its relatives
Early CretaceousWhere Dichotomites (Dichotomites) bidichotomus and its relatives were recorded in the Early Cretaceous.
Found in the same rock
43 taxa- Polyptychites (Polyptychites) polyptychus7 sites
- Polyptychites (Dichotomites) bidichotomoides3 sites
- Polyptychites (Paleodichotomites) triplodiptychus3 sites
- Buchia2 sites
- Apteodinium1 site
- Arctica1 site
- Astacolus1 site
- Bochianites1 site
- Cleistosphaeridium1 site
- Cribroperidinium1 site
- Cristellaria (Marginulina)1 site
- Cyclonephelium1 site
- Dichotomites (Prodichotomites) polytomus1 site
- Globulina1 site
- Globulina chetaensis berriassica1 site
- Glomospirella1 site
- Gongylodinium acineum1 site
- Gonyaulacysta1 site
- Homomya1 site
- Hystrichodinium pulchrum1 site
- Mclearnia1 site
- Muderongia simplex1 site
- Musculus1 site
- Neocraspedites giganteus1 site
The Paleobiology Database records 11 sites for Dichotomites (Dichotomites) bidichotomus, 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
6 references- Poliptikhity (Ammonity) i biostratigrafiya boreal'nogo Valanzhina6
- Comparative paleontology and stratigraphy of Valanginian Polyptychitinae and Simbirskitinae in Sverdrup Basin (Arctic Canada) and lower Saxony Basin (northwest Germany)2
- Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of the Khatanga Basin, and Boreal Valanginian biogeography1
- Sedimentaere und palaeotektonische Entwicklung der epikontinentalen Unterkreide Polens1
- New stratigraphically and phylogenetically important Olcostephanid (Ammonitida) taxa from the uppermost Lower and Upper Valanginian of Sverdrup Basin1
- Ammoniten aus dem Valanginien von Spitzbergen1
Each of the 12 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 content0
No picture of Dichotomites (Dichotomites) bidichotomus was found. Wikidata and iDigBio were searched and had none.
Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Dichotomites (Dichotomites) bidichotomus, or no answer at all. This entry cannot say which.
No 3D scan of Dichotomites (Dichotomites) bidichotomus was found in MorphoSource and Sketchfab.
Smithsonian Open Access was 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 itDichotomites (Dichotomites) through timeFormations of the Early CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (d'Orbigny 1841)