Nematothallus

Martin Smith · CC BY-SA 3.0 · 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
- PlantaePBDB
Time the record covers
At least 9.6 million years on record.
The record covers at least 422.7 Mya to 413.02 Mya. No occurrence read is dated outside 443.1 Mya to 410.62 Mya.
7 occurrences of Nematothallus on record, most of them in the Silurian. 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
7 occurrencesThese 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
6 formations
- Whitcliffe Formation · Ludlow Series Group1
- St. Maughans Formation1
- Rushall Formation · Downton Group1
- Senni bed Formation1
- Downton Castle Sandstone Formation1
- Senni Beds Formation1
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The named rock units Nematothallus 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.
Nematothallus and its relatives
SilurianWhere Nematothallus and its relatives were recorded in the Silurian.
Found in the same rock
33 taxa- Cooksonia2 sites
- Cooksonia pertoni2 sites
- Hostinella2 sites
- Nematasketum diversiforme2 sites
- Salopella sp.2 sites
- Acritarcha1 site
- Actinophyllum1 site
- Apiculiretusispora1 site
- Caia langii n. gen. n. sp.1 site
- cf. Uskiella reticulata1 site
- Cooksonia hemisphaerica1 site
- Cymbosporites echinatus1 site
- Cymbosporites verrucosus1 site
- Emphanisporites1 site
- Eurypterida1 site
- Ostracoda1 site
- Pachytheca sp.1 site
- Pachytheca sphaerica1 site
- Parka decipiens1 site
- Pertonella dactylethra n. gen. n. sp.1 site
- Phialaspis symondsi1 site
- Plantae1 site
- Pteraspis rostrata1 site
- Retusotriletes1 site
The Paleobiology Database records 2 sites for Nematothallus, 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
5 references- On the plant-remains from the Downtonian of England and Wales3
- Land animals in the Silurian: arachnids and myriapods from Shropshire, England1
- Fragmentary non-vascular plant microfossils from the late Silurian of Wales1
- The Lower Devonian flora of the Senni Beds of Monmouthsire and Breconshire1
- On Old Red Sandstone plants showing structure from Brecon (South Wales)1
Each of the 7 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 Nematothallus
- Source
- Wikidata/Commons
- Credit
- Martin Smith
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
No 3D scan of Nematothallus 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 itPlantae through timeFormations of the SilurianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Lang 1937