| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Palaeohelminthoida
Taxonomy
Palaeohelminthoida was named by Ruchholz (1967).
It was assigned to Ichnofossils by Hantzschel (1975).
It was assigned to Ichnofossils by Hantzschel (1975).
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Palaeohelminthoida Ruchholz |
| 1975 | Palaeohelminthoida Hantzschel |
Is something missing? Join the Paleobiology Database and enter the data
|
|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Palaeohelminthoida Ruchholz 1967
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Very regular “guided meanders” like Helminthoida Schafhautl, differing from it by very narrow, median, cordlike ridge and by close contact of meanders; trail about 4 mm wide, length of meanders 3 to 6 cm; rounded median ridge 1 mm high, dividing trail into 2 smooth furrows. |