Ajacicyathida

Ajacicyathida is a prehistoric order of sponges in the class Archaeocyatha. It was described in 1939, and is known from the Early Cambrian.

No picture of Ajacicyathida was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Ajacicyathida, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
ArchaeocyathaPBDB
Diet
suspension feederPBDB, for Archaeocyatha
Life habit
intermediate-level epifaunalPBDB, for Archaeocyatha
Motility
stationary, attachedPBDB, for Archaeocyatha
Vision
blindPBDB, for Porifera

Time the record covers

At least 8.9 million years on record.

The record covers at least 521 Mya to 512.1 Mya. No occurrence read is dated outside 538.8 Mya to 506.5 Mya.

Cambrian — about 2448 of 2448 occurrencesCambrian539–538 Mya — about 0.2 occurrences538–537 Mya — about 0.5 occurrences537–536 Mya — about 0.5 occurrences536–535 Mya — about 0.5 occurrences535–534 Mya — about 0.5 occurrences534–533 Mya — about 0.5 occurrences533–532 Mya — about 0.5 occurrences532–530 Mya — about 0.5 occurrences530–529 Mya — about 0.5 occurrences529–528 Mya — about 0.5 occurrences528–527 Mya — about 0.5 occurrences527–526 Mya — about 0.5 occurrences526–525 Mya — about 24 occurrences525–524 Mya — about 43 occurrences524–523 Mya — about 43 occurrences523–522 Mya — about 43 occurrences522–520 Mya — about 187 occurrences520–519 Mya — about 319 occurrences519–518 Mya — about 320 occurrences518–517 Mya — about 320 occurrences517–516 Mya — about 313 occurrences516–515 Mya — about 209 occurrences515–514 Mya — about 207 occurrences514–513 Mya — about 207 occurrences513–511 Mya — about 107 occurrences511–510 Mya — about 35 occurrences510–509 Mya — about 34 occurrences509–508 Mya — about 31 occurrences508–507 Mya — about 0.3 occurrences507–506 Mya — about 0.1 occurrences521 Mya512.1 Mya539.4 Mya505.9 Mya

2,448 occurrences of Ajacicyathida 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

2,448 occurrences

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

82 formations

Usa — 56.00°N, 88.00°EUsa — 54.00°N, 90.75°EUsa — 54.23°N, 90.82°EPestrotsvet — 57.35°N, 131.20°EPestrotsvet — 60.70°N, 124.72°EPestrotsvet — 60.82°N, 125.00°EPestrotsvet — 60.92°N, 125.77°EPestrotsvet — 60.83°N, 125.40°EPestrotsvet — 58.50°N, 129.50°EPestrotsvet — 57.42°N, 132.55°EPestrotsvet — 61.02°N, 126.15°EPestrotsvet — 61.03°N, 126.13°EPestrotsvet — 58.75°N, 128.00°EPestrotsvet — 60.83°N, 125.33°EPestrotsvet — 66.40°N, 112.28°EPestrotsvet — 71.83°N, 107.00°EPestrotsvet — 61.07°N, 126.18°EPestrotsvet — 61.29°N, 135.50°EUpper Monok — 52.83°N, 90.25°EUpper Monok — 52.25°N, 89.03°EUpper Monok — 52.83°N, 90.43°EUpper Monok — 52.40°N, 89.07°EUpper Monok — 52.45°N, 89.10°EAmouslek — 30.38°N, 8.68°WAmouslek — 30.38°N, 8.80°WAmouslek — 30.18°N, 9.03°WSalaany Gol — 46.87°N, 95.80°ESalaany Gol — 47.15°N, 96.90°EAjax Limestone — 30.58°S, 138.32°EAjax Limestone — 30.60°S, 138.35°EIl'chir — 51.88°N, 94.42°EOi-Muran Reef Massif — 61.07°N, 126.18°EMatoppa — 39.27°N, 8.47°EMatoppa — 39.18°N, 8.55°EMatoppa — 39.35°N, 8.45°EMatoppa — 39.40°N, 8.45°EBalakhtison — 53.77°N, 93.48°EBalakhtison — 54.60°N, 91.35°ETorgashino — 55.97°N, 92.92°EXiannudong — 32.50°N, 108.50°EXiannudong — 32.47°N, 107.23°EXiannudong — 32.60°N, 106.48°EKotuy — 68.53°N, 105.23°EKotuy — 68.57°N, 105.23°EKotuy — 68.68°N, 105.03°EKotuy — 69.02°N, 103.85°EUpper Shangan — 51.40°N, 94.23°ESekwi — 59.27°N, 129.18°WSekwi — 63.55°N, 129.25°WSekwi — 63.75°N, 128.80°WSekwi — 63.73°N, 129.05°WBazaikha — 55.97°N, 92.92°EPuerto Blanco — 30.42°N, 111.93°WPuerto Blanco — 30.42°N, 111.97°WPuerto Blanco — 30.27°N, 112.03°WPuerto Blanco — 30.70°N, 112.27°WDmitriyevskaya — 44.50°N, 132.63°EShackleton — 82.00°S, 159.00°EShackleton — 80.75°S, 158.00°ETyuser — 71.57°N, 127.37°ETyuser — 71.52°N, 127.37°ETyuser — 71.07°N, 127.43°ETyuser — 71.00°N, 127.65°ETyuser — 71.03°N, 127.48°EUst'kundat — 56.00°N, 88.00°EPedroche — 37.92°N, 4.82°WWilkawillina Limestone — 31.27°S, 138.88°EKrasnoporog — 67.22°N, 87.03°EKrasnoporog — 67.14°N, 86.75°E

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The named rock units Ajacicyathida has been recovered from, largest first. Drawn where the rock is now, not where it formed. 58 further formations hold fewer occurrences each and are not listed. 113 occurrences have no formation on record, which is common for older literature.

Ajacicyathida and its relatives

Cambrian

Where Ajacicyathida and its relatives were recorded in the Cambrian.

Found in the same rock

646 taxa

The Paleobiology Database records 159 sites for Ajacicyathida, 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

83 references

Each of the 2,448 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. 71 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 content0

No picture of Ajacicyathida was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Ajacicyathida, or no answer at all. This entry cannot say which.

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 itArchaeocyatha through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Bedford and Bedford 1939