Calyptrina striata
Calyptrina striata is an Ediacaran tubular fossil, probably belonging to some kind of tube-dwelling annelid worm. The tubes is preserved as a flat carbonaceous organic or pyrite shadows left behind in shales, and as a relief imprints and casts in sandstones. Specimens have been found and documented in numerous Ediacaran localities of the White Sea area of Russia and possibly in Southeast China.

Aleksey Nagovitsyn ( User:Alnagov ) · 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.
On record
Recorded, not inferred- Sits inside
- CalyptrinaPBDB
- Diet
- osmotrophPBDB, for Calyptrina
- Life habit
- low-level epifaunalPBDB, for Calyptrina
- Motility
- stationaryPBDB, for Calyptrina
Time the record covers
At most 97 million years on record.
Every occurrence read is dated to somewhere between 635 Mya and 538.8 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
4 occurrences of Calyptrina striata 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
4 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
3 formations
- Urusis Formation2
- Doushantuo Formation1
- Nudaus Formation · Nama Group1
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The named rock units Calyptrina striata has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Found in the same rock
29 taxa- Archaeichnium haughtoni3 sites
- Aggregatosphaera miaoheensis1 site
- Anomalophyton zhangzhongyingi1 site
- Archaeonassa1 site
- Ariichnus vagus1 site
- Arimasia germsi1 site
- Baculiphyca taeniata1 site
- Beltanelliformis brunsae1 site
- Cucullus fraudulentus1 site
- Doushantuophyton lineare1 site
- Doushantuophyton quyuani1 site
- Enteromorphites siniansis1 site
- Glomulus filamentum1 site
- Helminthopsis1 site
- Jiuqunaoella simplicis1 site
- Konglingiphyton erecta1 site
- Liulingjitaenia alloplecta1 site
- Longifuniculum dissolutum1 site
- Miaohephyton bifurcatum1 site
- Nasepia altae1 site
- Protoconites minor1 site
- Pteridinium1 site
- Sekwitubulus1 site
- Sinocylindra yunnanensis1 site
The Paleobiology Database records 4 sites for Calyptrina striata, 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- Ediacaran paleobiology and biostratigraphy of the Nama Group, Namibia, with emphasis on the erniettomorphs, tubular and trace fossils, and a new sponge, Arimasia germsi n. gen. n. sp.3
- Macroscopic carbonaceous compressions in a terminal Proterozoic shale: a systematic reassessment of the Miaohe biota, south China1
Each of the 4 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 Calyptrina striata
- Source
- Wikipedia/Commons
- Credit
- Aleksey Nagovitsyn ( User:Alnagov )
- Licence
- CC BY-SA 4.0
- Commercial use
- the licence allows it
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
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 itCalyptrina through time
Occurrence data from the Paleobiology Database, CC BY 4.0. Sokolov 1967