Characeae
Characeae is a family of freshwater green algae in the order Charales, commonly known as stoneworts. They are also known as brittleworts or skunkweed, from the fragility of their lime-encrusted stems, and from the foul odor these produce when stepped on.

Christian Fischer · CC BY-SA 3.0 · 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
- CharineaePBDB
- Diet
- "photoautotroph"PBDB, for Charophyta
- Environment
- freshwaterPBDB, for Charophyta
Time the record covers
At least 407 million years on record.
The record covers at least 410.62 Mya to 3.6 Mya. No occurrence read is dated outside 413.02 Mya to 2.58 Mya.
84 occurrences of Characeae on record, most of them in the Paleocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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
84 occurrences- Devonian4%
- Permian2%
- Late Triassic1%
- Late Jurassic7%
- Early Cretaceous4%
- Late Cretaceous17%
- Paleocene32%
- Eocene14%
- Oligoceneunder 1%
- Miocene10%
- Pliocene7%
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
24 formations
- Nomogen Formation22
- Tatrot Formation5
- Huchpayacu Formation5
- Pozo Formation5
- Serra da Galga Formation · Bauru Group4
- Honglishan Formation4
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The named rock units Characeae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 13 occurrences have no formation on record, which is common for older literature.
Characeae and its relatives
PaleoceneWhere Characeae and its relatives were recorded in the Paleocene.
Found in the same rock
812 taxa- Chara8 sites
- Gastropoda6 sites
- Nitellopsis6 sites
- Testudines6 sites
- Ostracoda5 sites
- Vertebrata5 sites
- Anura4 sites
- Goniopholis4 sites
- Plantae4 sites
- Prolagus oeningensis4 sites
- Sphaerochara4 sites
- Theropoda4 sites
- Unio4 sites
- Bithynia3 sites
- Characiformes3 sites
- Cyprinidae3 sites
- Ilyocypris3 sites
- Lepidotes3 sites
- Leporinus3 sites
- Palaeonitella3 sites
- Pseudolatochara3 sites
- Psilochara3 sites
- Sauropoda3 sites
- Serrasalminae indet.3 sites
The Paleobiology Database records 40 sites for Characeae, 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
37 references- Woodland in a fluvio-lacustrine environment on the dry Mongolian Plateau during the late Paleocene: Evidence from the mammal bearing Subeng section (Inner Mongolia, P.R. China)22
- A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru11
- Grupo Bauru: uma unidade continental do Cretáceo no Brasil – concepções baseadas em dados micropaleontológicos, isotópicos e estratigráficos [Bauru Group: a continental unit from the Cretaceous of Brazil – concepts based on micropaleontological, isotopic, and stratigraphic data]4
- An outline of the Cretaceous System in northern Xinjiang, western China4
- A Catalogue of Indian Fossil Plants4
- A new Late Agenian (MN2a, Early Miocene) fossil assemblage from Wallenried (Molasse Basin, Canton Fribourg, Switzerland)3
- Nouveaux sites à vertébrés paléogènes dans la région des Gour Lazib (Sahara nord-occidental, Algérie)3
- Cenomanian Rudist-dominated shelf-margin limestones from the Panormide Carbonate Platform (Sicily, Italy): facies analysis and sequence stratigraphy2
- Taphonomy, fauna, environment and ecology of Upper Sivaliks (Plio-Pleistocene) near Chandigarh, India2
- Contributions à la paléontologie du Miocène moyen continental du Bassin du Tage, III; Mammifères - Póvoa de Santarém, Pero Filho et Chões (Secorio), Conclusions générales. [Paleontology of the continental middle Miocene of the Tagus Basin, III; Mammals - Póvoa de Santarém, Pero Filho et Chões (Secorio), General Conclusions2
- Bone histology indicates insular dwarfism in a new Late Jurassic sauropod dinosaur1
- Kleinsäugerstratigraphie in der miozänen Hörnlischüttung (Ostschweiz); (Biostratigraphy of small mammals in the Hörnlischüttung of Miocene age (East Switzerland))1
Each of the 84 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. 25 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 Characeae
- Source
- Wikipedia/Commons
- Credit
- Christian Fischer
- Licence
- CC BY-SA 3.0
- Commercial use
- the licence allows it
No 3D scan of Characeae 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.
The description on this site
- Source
- Wikipedia, “Characeae”
- 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 itCharineae through timeFormations of the PaleoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Agardh 1824