Nemagraptus

Nemagraptus is an extinct genus of graptolites which had an almost worldwide distribution during the Darriwilian and Sandbian (Ordovician). Two species are known: N. gracilis and N. subtilis.

Nemagraptus

Goldman, D; Leslie, S. A.; Liang, Y.; and Bergström, S. M. · CC BY 4.0 · via Wikipedia/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
NemagraptinaePBDB
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 4.2 million years on record.

The record covers at least 458.2 Mya to 454 Mya. No occurrence read is dated outside 471.3 Mya to 449.5 Mya.

Ordovician — about 57 of 57 occurrencesOrdovician472–471 Mya — about 0.0 occurrences471–470 Mya — about 0.1 occurrences470–470 Mya — about 0.1 occurrences470–469 Mya — about 0.2 occurrences469–468 Mya — about 0.2 occurrences468–467 Mya — about 0.3 occurrences467–466 Mya — about 0.3 occurrences466–466 Mya — about 0.3 occurrences466–465 Mya — about 0.3 occurrences465–464 Mya — about 0.3 occurrences464–463 Mya — about 0.3 occurrences463–463 Mya — about 0.3 occurrences463–462 Mya — about 0.3 occurrences462–461 Mya — about 0.3 occurrences461–460 Mya — about 4 occurrences460–460 Mya — about 4 occurrences460–459 Mya — about 4 occurrences459–458 Mya — about 5 occurrences458–457 Mya — about 7 occurrences457–457 Mya — about 4 occurrences457–456 Mya — about 4 occurrences456–455 Mya — about 4 occurrences455–454 Mya — about 3 occurrences454–454 Mya — about 3 occurrences454–453 Mya — about 3 occurrences453–452 Mya — about 2 occurrences452–451 Mya — about 1 occurrence451–451 Mya — about 1 occurrence451–450 Mya — about 1 occurrence450–449 Mya — about 0.5 occurrences458.2 Mya454 Mya471.8 Mya449 Mya

57 occurrences of Nemagraptus 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

57 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

26 formations

Phi Kappa — 43.85°N, 114.18°WHule — 29.00°N, 115.00°EHule — 28.00°N, 118.00°EHule — 29.00°N, 119.00°EHule — 31.00°N, 120.00°EMiaopo — 33.00°N, 111.00°EMiaopo — 31.00°N, 111.00°EPingliang — 35.00°N, 107.00°EPingliang — 37.00°N, 107.00°EPingliang — 36.00°N, 107.00°EAthens — 36.75°N, 82.25°WAthens — 36.88°N, 81.72°WTanjiagou — 32.00°N, 106.00°ELas Aguaditas — 30.00°S, 69.00°WLos Azules — 30.00°S, 69.00°WLos Azules — 30.18°S, 68.58°WZhongbao — 37.00°N, 102.00°EZhongbao — 36.00°N, 102.00°EYaoMoShan — 37.00°N, 100.00°EYaoMoShan — 38.00°N, 101.00°ERoad River — 62.47°N, 129.07°WRoad River — 64.92°N, 139.58°WDouglas — 40.69°S, 172.49°EEdinburg — 38.00°N, 79.00°WRoad River — 65.02°N, 141.21°WHulo — 28.87°N, 118.49°EBugryshikha — 51.26°N, 82.81°ELiberty Hall — 38.53°N, 78.60°WNormanskill — 42.65°N, 73.76°WSan Juan — 30.00°S, 69.00°WCaparo — 8.00°N, 71.00°WYerba Loca — 30.00°S, 69.00°WLas Plantas — 30.00°S, 69.00°WEmpozada — 33.00°S, 69.00°WLongmengdong — 35.00°N, 107.00°E

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The named rock units Nemagraptus has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 further formations hold fewer occurrences each and are not listed. 4 occurrences have no formation on record, which is common for older literature.

Nemagraptus and its relatives

Ordovician

Where Nemagraptus and its relatives were recorded in the Ordovician.

Found in the same rock

212 taxa

The Paleobiology Database records 45 sites for Nemagraptus, 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

35 references

Each of the 57 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. 23 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 Nemagraptus

Credit
Goldman, D; Leslie, S. A.; Liang, Y.; and Bergström, S. M.
Licence
CC BY 4.0
Commercial use
the licence allows it

No 3D scan of Nemagraptus 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.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itNemagraptinae through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0.