Tetragraptus quadribrachiatus

Tetragraptus quadribrachiatus

via iDigBio · CC BY-SA · via iDigBio. 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
TetragraptusPBDB
Diet
suspension feederPBDB, for Graptoloidea
Life habit
planktonicPBDB, for Graptoloidea
Motility
passively mobilePBDB, for Graptoloidea
Vision
blindPBDB, for Graptolithina

Time the record covers

At least 1 million years on record.

The record covers at least 471.3 Mya to 470.3 Mya. No occurrence read is dated outside 486.85 Mya to 457.3 Mya.

Cambrian — about 0 of 31 occurrencesOrdovician — about 31 of 31 occurrencesOrdovician487–486 Mya — about 0.0 occurrences486–485 Mya — about 0.1 occurrences485–484 Mya — about 0.1 occurrences484–483 Mya — about 0.1 occurrences483–482 Mya — about 0.1 occurrences482–481 Mya — about 0.1 occurrences481–480 Mya — about 0.1 occurrences480–479 Mya — about 0.1 occurrences479–478 Mya — about 0.1 occurrences478–477 Mya — about 0.1 occurrences477–476 Mya — about 3 occurrences476–475 Mya — about 3 occurrences475–474 Mya — about 3 occurrences474–473 Mya — about 3 occurrences473–472 Mya — about 3 occurrences472–471 Mya — about 3 occurrences471–470 Mya — about 5 occurrences470–469 Mya — about 6 occurrences469–468 Mya — about 1 occurrence468–467 Mya — about 0.0 occurrences467–466 Mya — about 0.0 occurrences466–465 Mya — about 0.0 occurrences465–464 Mya — about 0.0 occurrences464–463 Mya — about 0.0 occurrences463–462 Mya — about 0.0 occurrences462–461 Mya — about 0.0 occurrences461–460 Mya — about 0.0 occurrences460–459 Mya — about 0.0 occurrences459–458 Mya — about 0.0 occurrences458–457 Mya — about 0.0 occurrences471.3 Mya – 470.3 Mya487.4 Mya456.7 Mya

31 occurrences of Tetragraptus quadribrachiatus on record, most of them in the Ordovician. 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

31 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

13 formations

Aorangi Mine — 40.70°S, 172.44°EAorangi Mine — 41.67°S, 172.39°EAcoite — 24.00°S, 66.00°WAcoite — 23.58°S, 65.69°WAcoite — 23.26°S, 65.64°WLower Road River — 65.40°N, 137.38°WLower Road River — 66.17°N, 136.08°WLower Road River — 65.88°N, 135.67°WLa Alumbrera — 28.23°S, 67.70°WRollston Range — 20.53°S, 146.43°EUpper Fezouata — 27.88°N, 11.42°WUpper Fezouata — 27.82°N, 11.40°WPhi Kappa — 43.85°N, 114.18°WEmpozada — 33.00°S, 69.00°WGarden City — 41.83°N, 111.60°WSan Lorenzo — 21.00°S, 65.00°WSan José — 13.32°S, 70.30°WVolkhov — 59.82°N, 32.20°EKaradere — 41.27°N, 33.07°E

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The named rock units Tetragraptus quadribrachiatus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.

Tetragraptus quadribrachiatus and its relatives

Ordovician

Where Tetragraptus quadribrachiatus and its relatives were recorded in the Ordovician.

Found in the same rock

165 taxa

The Paleobiology Database records 26 sites for Tetragraptus quadribrachiatus, 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

17 references

Each of the 31 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. 5 further references are 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 Tetragraptus quadribrachiatus

Source
iDigBio
Credit
via iDigBio
Licence
CC BY-SA
Commercial use
the licence allows it

No 3D scan of Tetragraptus quadribrachiatus was found in Sketchfab.

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 itTetragraptus through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Hall 1858)