Wapkia
Wapkia is an extinct genus of sea sponge with radial sclerites, known from the Middle Cambrian Burgess Shale. It was first described in 1920 by Charles Doolittle Walcott. 32 specimens of Wapkia are known from the Greater Phyllopod bed, where they comprise 0.06% of the community.

Smithsonian Institution · No restrictions · 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
- WapkiidaePBDB
- Diet
- suspension feederPBDB
- Life habit
- epifaunalPBDB
- Motility
- stationary, attachedPBDB
- Vision
- blindPBDB, for Porifera
Time the record covers
At least 51 million years on record.
The record covers at least 512.1 Mya to 461.1 Mya. No occurrence read is dated outside 538.8 Mya to 458.2 Mya.
16 occurrences of Wapkia 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
16 occurrences- Cambrian94%
- Ordovician6%
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
6 formations
- Burgess Shale Formation · Chancellor Group11
- Sinsk Formation1
- Duchesnay Formation1
- Yu'anshan Formation1
- Llanfawr Mudstone Formation1
- Balang Formation1
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The named rock units Wapkia has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Wapkia and its relatives
CambrianWhere Wapkia and its relatives were recorded in the Cambrian.
Found in the same rock
279 taxa- Hurdia5 sites
- Nisusia5 sites
- Porifera5 sites
- Acrothyra4 sites
- Algae4 sites
- Burgessia4 sites
- Canadaspis perfecta4 sites
- Choia4 sites
- Crumillospongia4 sites
- Dalyia racemata4 sites
- Dictyophycus gracilis4 sites
- Diraphora4 sites
- Echinodermata4 sites
- Ehmaniella burgessensis4 sites
- Eiffelia globosa4 sites
- Haplophrentis carinatus4 sites
- Hazelia4 sites
- Isoxys4 sites
- Kootenia4 sites
- Laggania4 sites
- Leptomitus lineatus4 sites
- Liangshanella4 sites
- Lingulella4 sites
- Marrella splendens4 sites
The Paleobiology Database records 8 sites for Wapkia, 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
8 references- Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia6
- Paleoecology of the Greater Phyllopod Bed community, Burgess Shale4
- A Cambrian soft-bodied biota after the first Phanerozoic mass extinction1
- Composition and tiering of the Cambrian sponge communities1
- Fauna and ecology of the holothurian bed, Llandrindod, Wales, UK (Darriwilian, Middle Ordovician), and the oldest articulated holothuria1
- A new, Middle Cambrian, Burgess Shale-type biota, Bolaspidella zone, Chancellor Basin, southeastern British Columbia1
- Palaeoecology of the Early Cambrian Sinsk biota from the Siberian Platform1
- The Burgess Shale and associated Cambrian formations west of the Fossil Gully Fault Zone on Mount Stephen, British Columbia1
Each of the 16 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 Wapkia
- Source
- Wikipedia/Commons
- Credit
- Smithsonian Institution
- Licence
- No restrictions
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Wapkia 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, “Wapkia”
- 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 itWapkiidae through timeFormations of the CambrianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Walcott 1920