Alytes

Midwife toads are a genus (Alytes) of frogs in the family Alytidae, and are found in most of Continental Europe and Northwestern Africa. It has also been introduced to Great Britain. Characteristic of these toad-like frogs is their parental care; the males carry a string of fertilised eggs on their backs, hence the name "midwife". The female expels a strand of eggs, which the male fertilizes externally. He then wraps them around his legs to protect them from predators in the water. When they are ready to hatch, the male wades into shallow water, where he allows the tadpoles to leap out of their eggs. Five separate species of midwife toads are found across western Europe, northern Africa, and Mallorca.

Alytes

Christian Fischer · 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
Also called
midwife toadPBDB
Sits inside
DiscoglossidaePBDB
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 645 thousand years on record.

The record covers at least 774 ka to 129 ka. No occurrence read is dated outside 3.6 Mya to 11.7 ka.

Pliocene — about 0 of 18 occurrencesPliocenePleistocene — about 18 of 18 occurrencesPleistoceneHolocene — about 0 of 18 occurrences3.7–3.6 Mya — about 0.0 occurrences3.6–3.4 Mya — about 0.0 occurrences3.4–3.3 Mya — about 0.0 occurrences3.3–3.1 Mya — about 0.0 occurrences3.1–3.0 Mya — about 0.0 occurrences3.0–2.9 Mya — about 0.0 occurrences2.9–2.7 Mya — about 0.0 occurrences2.7–2.6 Mya — about 0.0 occurrences2.6–2.5 Mya — about 0.3 occurrences2.5–2.3 Mya — about 0.3 occurrences2.3–2.2 Mya — about 0.3 occurrences2.2–2.0 Mya — about 0.3 occurrences2.0–1.9 Mya — about 0.3 occurrences1.9–1.8 Mya — about 0.3 occurrences1.8–1.6 Mya — about 0.4 occurrences1.6–1.5 Mya — about 0.4 occurrences1.5–1.4 Mya — about 0.4 occurrences1.4–1.2 Mya — about 0.4 occurrences1.2–1.1 Mya — about 0.4 occurrences1.1–957 ka Mya — about 0.4 occurrences957 ka–820 ka Mya — about 0.4 occurrences820 ka–683 ka Mya — about 1 occurrence683 ka–547 ka Mya — about 1 occurrence547 ka–410 ka Mya — about 1 occurrence410 ka–273 ka Mya — about 1 occurrence273 ka–137 ka Mya — about 1 occurrence137 ka–0 Mya — about 6 occurrences774 ka129 ka4.1 Mya0 Mya

18 occurrences of Alytes 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

18 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.

Alytes and its relatives

Pleistocene

Where Alytes and its relatives were recorded in the Pleistocene.

Found in the same rock

184 taxa

The Paleobiology Database records 18 sites for Alytes, 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

9 references

Each of the 18 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 content3

Picture of Alytes

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

CT scan

Licence
In Copyright
Commercial use
cannot be read from the licence given — check the record
Specimen
Alytes obstetricans · CAS:SUA:21691

3D model

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

Smithsonian Open Access was 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 itDiscoglossidae through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Wagler 1829