Phyllospadix
Phyllospadix, commonly known as surfgrass, is a genus of seagrass, a flowering plant in the family Zosteraceae, described as a genus in 1840. Phyllospadix grows in marine waters along the coasts of the temperate North Pacific.

Jerry Kirkhart · 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
- ZosteraceaePBDB
- Diet
- "photoautotroph"PBDB, for Angiospermae
Time the record covers
At least 48 million years on record.
The record covers at least 48.07 Mya to 11.7 ka. No occurrence read is dated outside 56 Mya to 0 Mya.
2 occurrences of Phyllospadix on record, most of them in the Eocene. 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
2 occurrencesThese 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.
Phyllospadix and its relatives
EoceneWhere Phyllospadix and its relatives were recorded in the Eocene.
Found in the same rock
272 taxa- "Gentonia" sp.1 site
- "Maffeia" sp.1 site
- Abdobalistum thyrsus1 site
- Abromasta microdon1 site
- Acanthonemus subaureus1 site
- Acanthopygaeus agassizi1 site
- Acanthuroides massalongoi1 site
- Acropoma lepidotum1 site
- Aeoliscoides longirostris1 site
- Alopiopsis plejodon1 site
- Amphistium paradoxum1 site
- Anguilloides branchiostegalis1 site
- Anotophysa1 site
- Apogonidae1 site
- Apogoniscus pauciradiatus1 site
- Archaephippus asper1 site
- Arctocephalus townsendi1 site
- Aspesiganus margaritae1 site
- Aspesiperca ruffoi1 site
- Atherina macrocephala1 site
- Aulorhamphus bolcensis1 site
- Aulorhamphus capellinii1 site
- Aulorhamphus chiarasorbiniae1 site
- Aulostomoides tyleri1 site
The Paleobiology Database records 2 sites for Phyllospadix, 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
2 references- Investigations at an eroded shell midden reveal direct evidence for fur seal hunting and diverse subsistence strategies on Late Holocene Santa Rosa (Wima) Island, California1
- The Pesciara-Monte Postale Fossil-Lagerstätte: 3. Flora1
Each of the 2 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 Phyllospadix
- Source
- Wikipedia/Commons
- Credit
- Jerry Kirkhart
- Licence
- CC BY 2.0
- Commercial use
- the licence allows it
No 3D scan of Phyllospadix 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 itZosteraceae through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Hooker 1838