perekond
Palmichnium Richter, 1954
Taksoni kirjeldused
Briggs & Rolfe, 1983
Diagnosis: emended. Large trackways, usually with symmetrically opposed rows of three (occasionally four) tracks disposed en echelon, each track ranging from subcircular to adaxially concave impressions within the same trackway, the rows at a high angle to the axis of the trackway. Median groove, or ridge, usually present.
Valik taksonit käsitlevast teaduskirjandusest
Davies, N. S., Sansom, I. J., Turner, P. 2006. Trace fossils and paleoenvironments of a Late Silurian marginal-marine/alluvial system: the Ringerike Group (Lower Old Red Sandstone), Oslo Region, Norway. Palaios 21, 1, 46-62. DOI:10.2110/palo.2003.p03-08
Briggs, D. E. G., Rolfe, W. D. I. 1983. A giant arthropod trackway from the Lower Mississippian of Pennsylvania. Journal of Paleontology 57, 2, 377–390.
Leitud liigid
1. Palmichnium stoermeri Briggs et Rolfe 1983 | Ülem-Silur
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Klassifikatsioon
| organismirühm | Biota |
| ihnorühm | Ichnofossils |
| Bioturbation trace fossils | |
| Trackways and scratch imprints | |
| sugukond | Protichnidae |
| perekond | Allocotichnus |
| Bifurculapes | |
| Conopsoides | |
| Dimorphichnus | |
| Diplichnites | |
| Hamipes | |
| Merostomichnites | |
| Monomorphichnus | |
| Palmichnium | |
| liik | kosinskiorum |
| palmatum | |
| stoermeri | |
| perekond | Tasmanadia |
| Warvichnium |