Homotoma sp.
Homotoma is a genus of mostly Palaearctic plant lice in the family Carsidaridae and typical of the subfamily Homotominae; it was erected by Félix Guérin-Méneville in 1844.

portioid · CC BY-SA 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.
Time the record covers
At least 4.5 million years on record.
The record covers at least 443.1 Mya to 438.6 Mya. No occurrence read is dated outside 445.2 Mya to 432.9 Mya.
2 occurrences of Homotoma sp. on record. 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
2 occurrences- Ordovician50%
- Silurian50%
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
2 formations
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The named rock units Homotoma sp. has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Found in the same rock
36 taxa- Atrypoidea1 site
- Borelasma1 site
- Brachyelasma1 site
- Crassilasma1 site
- Dalmanella1 site
- Dalmantina sp.1 site
- Dorytreta1 site
- Eostropheodonta1 site
- Fardenia1 site
- Favosites1 site
- Flecheriella sp.1 site
- Grewingkia1 site
- Harpidium (Isovella)1 site
- Heliolites1 site
- Hindella1 site
- Holopea1 site
- Kailia1 site
- Kenophyllum1 site
- Lambeophyllum1 site
- Multisolenia1 site
- Nalivkina sp.1 site
- Nanshanophyllum1 site
- Paramplexoides1 site
- Pilophyllum1 site
The Paleobiology Database records 2 sites for Homotoma sp., 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
2 references- Reef Reconstruction after Extinction Events of the Latest Ordovician in the Yangtze Platform, South China1
- Biotic structure and morphology of patch reefs from South China (Ningqiang Formation, Telychian, Llandovery, Silurian)1
Each of the 2 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 the Paleobiology Database's own record for the work.
Media and terms
Media content1
Picture of Homotoma sp.
- Source
- Wikipedia/Commons
- Credit
- portioid
- Licence
- CC BY-SA 4.0
- Commercial use
- the licence allows it
No 3D scan of Homotoma sp. 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
- Source
- Wikipedia, “Homotoma”
- 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 itThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0.