Pentagonia

via iDigBio · CC0 · via iDigBio. 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
- MeristellinaePBDB
- Diet
- suspension feederPBDB, for Athyrididina
- Life habit
- low-level epifaunalPBDB, for Athyrididina
- Motility
- stationaryPBDB, for Athyrididina
- Vision
- blindPBDB, for Rhynchonellata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At least 11 million years on record.
The record covers at least 393.47 Mya to 382.31 Mya. No occurrence read is dated outside 419.62 Mya to 372.15 Mya.
34 occurrences of Pentagonia on record, most of them in the Devonian. 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
34 occurrences- Devonian100%
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
8 formations
- Onondaga Formation24
- Ludlowville Formation · Hamilton Group2
- Beechwood Limestone Formation1
- Cano Grande Formation · Rio Cachira Group1
- Cano del Oeste Formation · Rio Cachira Group1
- Floresta-Labateca Formation1
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The named rock units Pentagonia has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Pentagonia and its relatives
DevonianWhere Pentagonia and its relatives were recorded in the Devonian.
Found in the same rock
347 taxa- Atrypa reticularis26 sites
- Leptaena rhomboidalis17 sites
- Pentamerella arata17 sites
- Coelospira camilla16 sites
- Megastrophia15 sites
- Heterophrentis14 sites
- Favosites13 sites
- Megakozlowskiella raricosta13 sites
- Schizophoria13 sites
- Schuchertella13 sites
- Dalejina12 sites
- Elita12 sites
- Levenea12 sites
- Nucleospira ventricosa12 sites
- Rhipidomella12 sites
- Spirifer12 sites
- Cyrtina hamiltonensis10 sites
- Athyris9 sites
- Meristella9 sites
- Mucrospirifer9 sites
- Orthotetacidae indet.9 sites
- Pleurodictyum9 sites
- Strophodonta (Strophodonta) demissa9 sites
- Meristina nasuta8 sites
The Paleobiology Database records 34 sites for Pentagonia, 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
12 references- Brachiopods and Community Ecology of the Onondaga Limestone12
- Stratigraphy of the Onondaga Limestone in Central New York9
- Level-bottom brachiopod communities in the Middle Devonian of New York3
- Paleoecologia, comunidades bentonicas y sucesion paleoambiental en el Grupo Rio Cachiri, Devonico, Sierra de Perija, Venezueal2
- Relative taxonomic and ecological stability in Devonian marine faunas of New York State: a test of coordinated stasis1
- Devonian stratigraphy of the Hudson Platform. Part I: stratigraphy and economic geology1
- A contribution to the knowledge of the Devonian faunas of Colombia1
- Silurian and Devonian Corals of the Falls of the Ohio1
- Brachiopods of the Lower Devonian Rocks at Highland Mills, New York1
- A Faunal Study of the Beechwood Limestone (Middle Devonian); Speed, Indiana1
- New Devonian (Hamilton) correlations1
- A Devonian fauna from Colombia1
Each of the 34 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 Pentagonia
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Pentagonia 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.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itMeristellinae through timeFormations of the DevonianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0.