Bufonidae
A true toad is any member of the family Bufonidae, in the order Anura. This is the only family of anurans in which all members are known as toads, although some may be called frogs. The bufonids now comprise more than 35 genera, Bufo being the best known.

Jan Willem Broekema from Leiden, The Netherlands · CC BY-SA 2.0 · 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
- toadPBDB
- Sits inside
- NeobatrachiaPBDB
- Diet
- carnivorePBDB, for Temnospondyli
- Life habit
- amphibiousPBDB, for Temnospondyli
- Motility
- actively mobilePBDB, for Temnospondyli
- Environment
- brackish,freshwater,terrestrialPBDB, for Tetrapoda
Time the record covers
At least 65 million years on record.
The record covers at least 66 Mya to 11.7 ka. No occurrence read is dated outside 83.6 Mya to 0 Mya.
494 occurrences of Bufonidae on record, most of them in the Pleistocene. 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
494 occurrences- Late Cretaceousunder 1%
- Paleoceneunder 1%
- Eoceneunder 1%
- Oligoceneunder 1%
- Miocene16%
- Pliocene13%
- Pleistocene65%
- Holocene5%
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
52 formations
- Alamosa Formation16
- Ash Hollow Formation9
- Ogallala Formation9
- Valentine Formation · Ogallala Group8
- Rexroad Formation7
- Monte Hermoso Formation6
Loading coastlines…
The named rock units Bufonidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 28 further formations hold fewer occurrences each and are not listed. 359 occurrences have no formation on record, which is common for older literature.
Bufonidae and its relatives
PleistoceneWhere Bufonidae and its relatives were recorded in the Pleistocene.
Found in the same rock
2,915 taxa- Bufo113 sites
- Rana105 sites
- Bufo bufo65 sites
- Equus44 sites
- Rana temporaria44 sites
- Lacerta36 sites
- Microtus33 sites
- Thamnophis33 sites
- Bufo viridis32 sites
- Mimomys30 sites
- Anguis fragilis29 sites
- Ambystoma tigrinum28 sites
- Natrix natrix28 sites
- Lepus25 sites
- Sorex25 sites
- Hyla24 sites
- Natrix24 sites
- Beremendia fissidens23 sites
- Colubrinae22 sites
- Rana pipiens22 sites
- Chiroptera21 sites
- Elaphe21 sites
- Anura20 sites
- Aves20 sites
The Paleobiology Database records 344 sites for Bufonidae, and this reads 240 of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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
184 references- Pleistocene Amphibians and Reptiles in Britain and Europe120
- A Review of New World Fossil Bufonids35
- Middle Pleistocene (late Irvingtonian: Nebraskan) climatic changes in south-central Colorado16
- Pleistocene vertebrate faunas of Hungary15
- Long-term climate record inferred from early-middle Pleistocene amphibian and squamate reptile assemblages at the Gran Dolina Cave, Atapuerca, Spain10
- Salientia7
- Frogs in Hemphillian deposits of Nebraska, with the description of a new species of Bufo7
- New diverse amphibian and reptile assemblages from the late Neogene of northern Greece provide novel insights into the emergence of extant herpetofaunas of the southern Balkans6
- Herpetofaunas of the Big Springs and Hornet's Nest quarries (northeastern Nebraska, Pleistocene: Late Blancan)6
- A Pleistocene herpetofauna from Eddy County, New Mexico6
- Amphibians and squamate reptiles from the late Miocene of Fălciu (Eastern Romania)5
- Biostratigraphy of amphibians, reptiles, birds and mammals in Corsica and the role of man in the Holocene faunal turnover5
Each of the 494 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. 172 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 Bufonidae
- Source
- Wikipedia/Commons
- Credit
- Jan Willem Broekema from Leiden, The Netherlands
- Licence
- CC BY-SA 2.0
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Licence
- CC Attribution-NonCommercial-ShareAlike
- Commercial use
- the licence does not allow it
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, “True toad”
- 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 itNeobatrachia through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Gray 1825