Osteorachis macrocephalus

Osteorachis macrocephalus

Egerton, 1868 · 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
OsteorachisPBDB
Motility
actively mobilePBDB, for Osteichthyes

Time the record covers

At most 6.6 million years on record.

Every occurrence read is dated to somewhere between 199.5 Mya and 192.9 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Early Jurassic — about 3 of 3 occurrencesEarly Jurassic200–199 Mya — about 0.0 occurrences199–199 Mya — about 0.1 occurrences199–199 Mya — about 0.1 occurrences199–199 Mya — about 0.1 occurrences199–198 Mya — about 0.1 occurrences198–198 Mya — about 0.1 occurrences198–198 Mya — about 0.1 occurrences198–198 Mya — about 0.1 occurrences198–197 Mya — about 0.1 occurrences197–197 Mya — about 0.1 occurrences197–197 Mya — about 0.1 occurrences197–197 Mya — about 0.1 occurrences197–196 Mya — about 0.1 occurrences196–196 Mya — about 0.1 occurrences196–196 Mya — about 0.1 occurrences196–196 Mya — about 0.1 occurrences196–195 Mya — about 0.1 occurrences195–195 Mya — about 0.1 occurrences195–195 Mya — about 0.1 occurrences195–195 Mya — about 0.1 occurrences195–194 Mya — about 0.1 occurrences194–194 Mya — about 0.1 occurrences194–194 Mya — about 0.1 occurrences194–194 Mya — about 0.1 occurrences194–193 Mya — about 0.1 occurrences193–193 Mya — about 0.1 occurrences193–193 Mya — about 0.1 occurrences193–193 Mya — about 0.0 occurrences200 Mya192.4 Mya

3 occurrences of Osteorachis macrocephalus 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

3 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.

Osteorachis macrocephalus and its relatives

Early Jurassic

Where Osteorachis macrocephalus and its relatives were recorded in the Early Jurassic.

Found in the same rock

48 taxa

The Paleobiology Database records 3 sites for Osteorachis macrocephalus, 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

Each of the 3 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. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content1

Picture of Osteorachis macrocephalus

Credit
Egerton, 1868
Licence
CC BY-SA 4.0
Commercial use
the licence allows it

No 3D scan of Osteorachis macrocephalus 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 itOsteorachis through timeFormations of the Early JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Egerton 1868