Prochuangia
Prochuangia is an extinct genus of trilobites reported from the Cambrian and Ordovician, It is reported from Iran, China, Australia, France, Türkiye, and Kazakhstan.

Amir Ali Iranshahi 3 · CC0 · 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
- LeiostegiidaePBDB
- Diet
- carnivorePBDB, for Corynexochida
- Life habit
- nektobenthicPBDB, for Corynexochida
- Motility
- actively mobilePBDB, for Corynexochida
- Vision
- well-developedPBDB, for Leiostegiidae
- Environment
- marinePBDB, for Trilobita
Time the record covers
At most 18 million years on record.
Every occurrence read is dated to somewhere between 504.5 Mya and 486.85 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
43 occurrences of Prochuangia on record, most of them in the Cambrian. 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
43 occurrences- Cambrian100%
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
8 formations
- Huaqiao Formation21
- Chatsworth Formation9
- Zhumabai Formation5
- Seydisehir Formation3
- Chatsworth Limestone Formation2
- Mila Formation1
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The named rock units Prochuangia has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Prochuangia and its relatives
CambrianWhere Prochuangia and its relatives were recorded in the Cambrian.
Found in the same rock
66 taxa- Pseudagnostus7 sites
- Pseudagnostus (Pseudagnostus) parvus7 sites
- Brachiopoda6 sites
- Cermatops vieta6 sites
- Maladioidella doylei6 sites
- Pelmatozoa5 sites
- Atopasaphus4 sites
- Iveria iverensis4 sites
- Peichiashania secunda4 sites
- Pseudagnostus (Pseudagnostus) aulax4 sites
- Connagnostus3 sites
- Lotosoides bathyora3 sites
- Taenicephalites plerus3 sites
- Cermatops2 sites
- Connagnostus aversus2 sites
- Gastropoda2 sites
- Haniwoides varia2 sites
- Palaeadotes2 sites
- Peichiashania prima2 sites
- Proplina2 sites
- Wentsuia iota2 sites
- Wuhuia silex2 sites
- Abharella1 site
- Acrothele1 site
The Paleobiology Database records 14 sites for Prochuangia, 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
10 references- Corynexochida, Lichida and Asaphida16
- Late Cambrian trilobites from the Chatsworth Limestone, western Queensland9
- Cambrian Malyy Karatau Range, Kazakhstan5
- Upper Cambrian biostratigraphy and trilobite faunas of the Cili-Taoyuan area, northwestern Hunan, China5
- Cambrian stratigraphy and trilobites of the Samur Dag area, south of Hakkari, southeastern Turkey3
- Early Late Cambrian trilobites of Australo-Sinian aspect from the Montagne Noire, Southern France1
- Latest Middle Cambrian metazoan reef from northern Iran1
- Cambrian edrioasteroids from Australia and the origin of starfishes1
- A comparison of the Cambrian trilobites between the north and south sides of the Western Pacific Basin1
- Cambrian trilobites from Chuxian-Quanjiao region, Anhui1
Each of the 43 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. 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 Prochuangia
- Source
- Wikipedia/Commons
- Credit
- Amir Ali Iranshahi 3
- Licence
- CC0
- 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
- Source
- Wikipedia, “Prochuangia”
- 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 itLeiostegiidae through timeFormations of the CambrianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Kobayashi 1935