Crocodylomorpha

Searched as Crocodylomorpha indet.. The Paleobiology Database treats Crocodylomorpha as the accepted name.

Crocodylomorpha is a group of pseudosuchian archosaurs that includes the crocodilians and their extinct relatives. They were the only members of Pseudosuchia to survive the end-Triassic extinction. Extinct crocodylomorphs were considerably more ecologically diverse than modern crocodilians. The earliest and most primitive crocodylomorphs are represented by "sphenosuchians", a paraphyletic assemblage containing small-bodied, slender forms with elongated limbs that walked upright, which represents the ancestral morphology of Crocodylomorpha. These forms persisted until the end of the Jurassic. During the Jurassic, crocodylomorphs morphologically diversified into numerous niches, with the subgroups Neosuchia and the extinct Thalattosuchia adapting to aquatic life, while some terrestrial groups adopted herbivorous and omnivorous lifestyles. Terrestrial crocodylomorphs would continue to co-exist alongside aquatic forms until becoming extinct during the Miocene.

Crocodylomorpha

LiterallyMiguel · CC BY 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
Also called
crocodilianPBDB
Sits inside
LoricataPBDB
Diet
carnivorePBDB, for Pseudosuchia
Motility
actively mobilePBDB, for Osteichthyes
Environment
terrestrialPBDB, for Diapsida

Time the record covers

At least 227 million years on record.

The record covers at least 227.3 Mya to 129 ka. No occurrence read is dated outside 237 Mya to 0 Mya.

Middle Triassic — about 0 of 133 occurrencesLate Triassic — about 17 of 133 occurrencesLate TriassicEarly Jurassic — about 14 of 133 occurrencesEarly JurassicMiddle Jurassic — about 20 of 133 occurrencesLate Jurassic — about 16 of 133 occurrencesEarly Cretaceous — about 20 of 133 occurrencesEarly CretaceousLate Cretaceous — about 30 of 133 occurrencesLate CretaceousPaleocene — about 3 of 133 occurrencesEocene — about 9 of 133 occurrencesEoceneOligocene — about 1 of 133 occurrencesMiocene — about 0 of 133 occurrencesPliocene — about 2 of 133 occurrencesPleistocene — about 1 of 133 occurrences242–234 Mya — about 0.9 occurrences234–226 Mya — about 3 occurrences226–218 Mya — about 3 occurrences218–210 Mya — about 3 occurrences210–201 Mya — about 7 occurrences201–193 Mya — about 6 occurrences193–185 Mya — about 5 occurrences185–177 Mya — about 2 occurrences177–169 Mya — about 0.6 occurrences169–161 Mya — about 20 occurrences161–153 Mya — about 0.9 occurrences153–145 Mya — about 11 occurrences145–137 Mya — about 9 occurrences137–129 Mya — about 2 occurrences129–121 Mya — about 10 occurrences121–113 Mya — about 2 occurrences113–105 Mya — about 2 occurrences105–97 Mya — about 3 occurrences97–89 Mya — about 2 occurrences89–81 Mya — about 4 occurrences81–73 Mya — about 11 occurrences73–64 Mya — about 12 occurrences64–56 Mya — about 2 occurrences56–48 Mya — about 0.1 occurrences48–40 Mya — about 6 occurrences40–32 Mya — about 4 occurrences32–24 Mya — about 0.7 occurrences8.1–0 Mya — about 3 occurrences227.3 Mya129 ka242 Mya0 Mya

133 occurrences of Crocodylomorpha on record, most of them in the Late Cretaceous. The Paleobiology Database records this as a living group. 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

133 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

71 formations

Isalo IIIb — 16.55°S, 46.98°EKayenta — 35.76°N, 111.08°WKayenta — 35.97°N, 111.25°WKayenta — 36.82°N, 110.06°WKayenta — 35.88°N, 111.41°WKayenta — 36.07°N, 111.27°WKsar Metlili — 32.70°N, 3.22°WUinta — 40.08°N, 109.27°WChinle — 36.33°N, 106.47°WChinle — 34.88°N, 109.78°WChinle — 37.56°N, 110.28°WVillar del Arzobispo — 40.66°N, 0.89°WVillar del Arzobispo — 40.13°N, 1.13°WAdamantina — 19.46°S, 49.25°WAdamantina — 21.59°S, 51.19°WIfezouane — 31.61°N, 4.30°WIfezouane — 31.59°N, 4.18°WBlesa — 40.90°N, 0.72°WBlesa — 40.95°N, 0.77°WBlesa — 40.85°N, 0.63°WNavajo Sandstone — 36.67°N, 110.47°WNavajo Sandstone — 36.98°N, 111.15°WLa Huérguina — 40.12°N, 1.97°WLa Huérguina — 40.06°N, 1.88°WCazals — 44.50°N, 1.32°EGrès à Reptiles — 43.60°N, 6.11°EGrès à Reptiles — 43.35°N, 2.95°ELourinhã — 39.22°N, 9.34°WLourinhã — 39.35°N, 9.32°WKimmeridge Clay — 50.59°N, 2.47°WKimmeridge Clay — 50.58°N, 2.07°WQuebrada del Barro — 31.60°S, 67.29°WMirambel — 40.73°N, 0.39°WIschigualasto — 30.12°S, 67.88°WAllueva — 40.97°N, 1.02°WElliot — 28.67°S, 28.28°EElliot — 29.07°S, 27.50°EVuache — 46.83°N, 6.52°EPerte du Rhône — 46.83°N, 6.52°EWadi Milk — 16.70°N, 31.14°EBarton Beds — 50.74°N, 1.69°W

Loading coastlines…

The named rock units Crocodylomorpha has been recovered from, largest first. Drawn where the rock is now, not where it formed. 47 further formations hold fewer occurrences each and are not listed. 13 occurrences have no formation on record, which is common for older literature.

Crocodylomorpha and its relatives

Late Cretaceous

Where Crocodylomorpha and its relatives were recorded in the Late Cretaceous.

Found in the same rock

2,948 taxa

The Paleobiology Database records at least 1,454 sites for Crocodylomorpha, and this reads 240 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

82 references

Each of the 133 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. 70 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 Crocodylomorpha

Credit
LiterallyMiguel
Licence
CC BY 4.0
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

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

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 itLoricata through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Hay 1930)