Rhipidistia

Rhipidistia, also known as Dipnotetrapodomorpha, is a clade of lobe-finned fishes which includes the tetrapods and lungfishes. Rhipidistia formerly referred to a subgroup of Sarcopterygii consisting of the Porolepiformes and Osteolepiformes, a definition that is now obsolete. However, as cladistic understanding of the vertebrates has improved over the last few decades, a monophyletic Rhipidistia is now understood to include the whole of Tetrapoda and the lungfishes.

Rhipidistia

Vassil Nobu Tamura email:nobu.tamura@yahoo.com http://spinops.blogspot.com/ Charles J. Sharp Melanie Mae Bryan from G… · CC BY 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
Sits inside
SarcopterygiiPBDB
Motility
actively mobilePBDB, for Osteichthyes
Environment
brackish,freshwaterPBDB

Time the record covers

At least 31 million years on record.

The record covers at least 358.86 Mya to 326.9 Mya. No occurrence read is dated outside 372.15 Mya to 323.6 Mya.

Devonian — about 2 of 3 occurrencesDevonianCarboniferous — about 1 of 3 occurrencesCarboniferous373–371 Mya — about 0.1 occurrences371–370 Mya — about 0.1 occurrences370–368 Mya — about 0.1 occurrences368–366 Mya — about 0.1 occurrences366–365 Mya — about 0.2 occurrences365–363 Mya — about 0.4 occurrences363–361 Mya — about 0.4 occurrences361–360 Mya — about 0.4 occurrences360–358 Mya — about 0.2 occurrences328–326 Mya — about 0.3 occurrences326–324 Mya — about 0.5 occurrences324–323 Mya — about 0.2 occurrences358.86 Mya326.9 Mya373 Mya323 Mya

3 occurrences of Rhipidistia on record. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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

3 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

2 formations

Hunter Siltstone — 33.75°S, 148.34°EHunter Siltstone — 33.75°S, 148.32°EBluefield — 39.57°N, 79.85°W

Loading coastlines…

The named rock units Rhipidistia has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Found in the same rock

17 taxa

The Paleobiology Database records 3 sites for Rhipidistia, and this reads all of them. The number is how many of those sites it was catalogued from too.

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

3 references

Each of the 3 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 content1

Picture of Rhipidistia

Credit
Vassil Nobu Tamura email:nobu.tamura@yahoo.com http://spinops.blogspot.com/ Charles J. Sharp Melanie Mae Bryan from G…
Licence
CC BY 2.0
Commercial use
the licence allows it

No 3D scan of Rhipidistia was found in MorphoSource and Sketchfab.

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 itSarcopterygii through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Cope 1887)