Saccocoma

Saccocoma is an extinct genus of crinoids that lived from the Late Jurassic to the Early Cretaceous in Europe and North America. It contains at least two species.

Saccocoma

Smokeybjb · 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
SaccocominaePBDB
Diet
suspension feederPBDB, for Saccocomidae
Life habit
upper-level epifaunalPBDB, for Saccocomidae
Motility
stationary, attachedPBDB, for Saccocomidae
Vision
blindPBDB, for Crinoidea
Environment
marinePBDB, for Echinodermata

Time the record covers

At least 153 million years on record.

The record covers at least 247 Mya to 93.9 Mya. No occurrence read is dated outside 251.902 Mya to 89.8 Mya.

Permian — about 0 of 60 occurrencesEarly Triassic — about 1 of 60 occurrencesMiddle Triassic — about 0 of 60 occurrencesLate Triassic — about 0 of 60 occurrencesEarly Jurassic — about 0 of 60 occurrencesMiddle Jurassic — about 0 of 60 occurrencesLate Jurassic — about 49 of 60 occurrencesLate JurassicEarly Cretaceous — about 6 of 60 occurrencesEarly CretaceousLate Cretaceous — about 4 of 60 occurrencesLate Cretaceous255–250 Mya — about 0.5 occurrences250–244 Mya — about 0.5 occurrences165–160 Mya — about 0.4 occurrences160–154 Mya — about 5 occurrences154–148 Mya — about 21 occurrences148–143 Mya — about 23 occurrences143–137 Mya — about 3 occurrences137–132 Mya — about 0.4 occurrences126–120 Mya — about 0.6 occurrences120–115 Mya — about 0.4 occurrences115–109 Mya — about 1 occurrence103–98 Mya — about 0.8 occurrences98–92 Mya — about 2 occurrences92–87 Mya — about 1 occurrence247 Mya93.9 Mya255 Mya87 Mya

60 occurrences of Saccocoma on record, most of them in the Late Jurassic. 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

60 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

21 formations

Lacunosamergel — 48.20°N, 8.87°ELacunosamergel — 48.58°N, 9.57°ELacunosamergel — 48.61°N, 9.69°ELacunosamergel — 48.62°N, 9.77°ELacunosamergel — 48.65°N, 9.90°ELacunosamergel — 47.93°N, 8.67°ELes Calcaires Médians — 35.68°N, 0.92°WLes Marnes Intermédiaires — 35.68°N, 0.92°WBahloul — 34.13°N, 9.17°EUntere Felsenkalke — 48.31°N, 9.15°EUntere Felsenkalke — 48.61°N, 9.59°EUntere Felsenkalke — 48.56°N, 9.43°ELes Marno-Calcaires Supérieurs — 35.68°N, 0.92°WPainten — 49.02°N, 11.98°EPainten — 48.92°N, 11.58°ENeuburger Bank-Kalken — 47.67°N, 15.58°EDursztyn — 50.40°N, 19.06°EStramberk — 49.58°N, 18.12°ELes Calcaires et Dolomies à Silex — 35.68°N, 0.92°WGuasasa — 22.67°N, 83.75°WSolnhofen Platenkalk — 48.92°N, 11.50°EMörsheim — 48.92°N, 11.87°ECazals — 44.50°N, 1.32°ESolnhofen — 48.91°N, 11.14°EBlassenstein — 48.08°N, 15.79°ELiegende Bankkalk — 48.12°N, 8.87°EZebbag — 34.15°N, 9.08°EVardebukta and Tillingodden — 77.70°N, 14.88°EHangende Bankkalke — 48.47°N, 9.41°E

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The named rock units Saccocoma has been recovered from, largest first. Drawn where the rock is now, not where it formed. 19 occurrences have no formation on record, which is common for older literature.

Saccocoma and its relatives

Late Jurassic

Where Saccocoma and its relatives were recorded in the Late Jurassic.

Found in the same rock

337 taxa

The Paleobiology Database records 42 sites for Saccocoma, 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

26 references

Each of the 60 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. 14 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 content2

Picture of Saccocoma

Credit
Smokeybjb
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Licence
CC Attribution
Commercial use
cannot be read from the licence given — check the record

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 itSaccocominae through timeFormations of the Late JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Agassiz 1836