Amaltheus bifurcus
No picture of Amaltheus bifurcus 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 Amaltheus bifurcus, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- AmaltheusPBDB
- 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 8.7 million years on record.
Every occurrence read is dated to somewhere between 192.9 Mya and 184.2 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
9 occurrences of Amaltheus bifurcus on record, most of them in the Early Jurassic. 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
9 occurrences- Early Jurassic100%
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
3 formations
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The named rock units Amaltheus bifurcus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 3 occurrences have no formation on record, which is common for older literature.
Amaltheus bifurcus and its relatives
Early JurassicWhere Amaltheus bifurcus and its relatives were recorded in the Early Jurassic.
Found in the same rock
58 taxa- Amaltheus stokesi4 sites
- Liparoceras (Becheiceras) gallicum4 sites
- Lytoceras fimbriatum4 sites
- Calliphylloceras bicicolae3 sites
- Fuciniceras lavinianum3 sites
- Juraphyllites libertus3 sites
- Bivalvia2 sites
- Cetonoceras psiloceroides2 sites
- Fuciniceras (Matteiceras) geometricum2 sites
- Gryphaea2 sites
- Harpoceratinae2 sites
- Juraphyllites2 sites
- Juraphyllites (Harpophylloceras) eximius2 sites
- Lytoceras2 sites
- Protogrammoceras (Matteiceras) diornatum2 sites
- Protogrammoceras (Matteiceras) isselioides2 sites
- Acanthoteuthis1 site
- Aegoceras (Aegoceras) brevilobatum1 site
- Aegoceras (Aegoceras) lataecosta pyritosa1 site
- Aegoceras (Oistoceras) colubrinum1 site
- Aegoceras (Oistoceras) samontaensis1 site
- Amaltheus bondonniensis1 site
- Androgynoceras (Oistoceras) figulinum1 site
- Androgynoceras alloeotypus1 site
The Paleobiology Database records 9 sites for Amaltheus bifurcus, 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
3 references- Les ammonites du Domérien de la montagne du Bakony (Hongrie)3
- Hettangian through Aalenian (Jurassic) guide fossils and biostratigraphy, Northern Yukon and adjacent Northwest Territories3
- Les ammonites du Carixien des Causses (France)3
Each of the 9 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 Amaltheus bifurcus 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 Amaltheus bifurcus, or no answer at all. This entry cannot say which.
No 3D scan of Amaltheus bifurcus 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 itAmaltheus through timeFormations of the Early JurassicThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Howarth 1958